[{"id": "ecletica-100", "words": "6249", "extension": ".pdf", "flesch": "73", "author": "Ribeiro Bastos, Ana Rosa; Nogueira, Francisco Guilherme Esteves; Lima, Luiz Carlos de Oliveira; de Souza, Guilherme Amaral; Guedes de Carvalho, Janice", "title": "Aplica\u00e7\u00e3o de res\u00edduo da ind\u00fastria de eletrodo no cultivo de arroz de sequeiro: an\u00e1lise f\u00edsico-qu\u00edmica do solo e da planta", "date": "2015", "keywords": "arroz; colheita; com; como; das; dm-3; dos; elementos; foi; foram; mat\u00e9ria; para; plantas; por; que; qu\u00edmica; res\u00edduo; solo; teores; tratamentos", "summary": "O T2 e T3 tamb\u00e9m produziram quantidades significativas de perfilhos, por\u00e9m inferiores ao T1 e T8. bem como dos tratamentos adicionais, sobre os teores de nutrientes e elementos t\u00f3xicos na mat\u00e9ria seca da parte a\u00e9rea, por ocasi\u00e3o do primeiro (perfilhamento) e segundo (colheita) cortes das plantas de arroz.", "mime": "application/pdf"}, {"id": "ecletica-1001", "words": "2968", "extension": ".pdf", "flesch": "63", "author": "Monteiro, Maisa Cristina Morais; Leptocarydis, Ioanis Hcristos; da Silva, Geraldo Humberto; da Silva, Viviane C\u00e2ndida; Bolzani, Vanderlan da Silva; Young, Maria Cl\u00e1udia Marx; Lopes, M\u00e1rcia Nasser", "title": "Constituintes qu\u00edmicos isolados dos caules de Michelia champaca L. (Magnoliaceae)", "date": "2007", "keywords": "atividade; champaca; com; fase; foi; foram; s\u00e3o", "summary": "KHAN e colaboradores [4] relatam, com base em triagem fitoqu\u00edmica, a presen\u00e7a de alcal\u00f3ides, flavon\u00f3ides, taninos, saponinas, al\u00e9m de triterpen\u00f3ides em folhas, sementes, caules e ra\u00edzes de M. champaca. Os derivados fenilpropano\u00eddicos e o alcal\u00f3ide N-acetilnonaina est\u00e3o sendo relatados pela primeira vez", "mime": "application/pdf"}, {"id": "ecletica-1002", "words": "3397", "extension": ".pdf", "flesch": "54", "author": "James, Abosede Olubunmi; Oforka, Nicolas Charles; Abiola, Olusegun Kehinde; Ita, Benedict Iserom", "title": "A study on the inhibition of mild steel corrosion in hydrochloric acid by pyridoxol hydrochloride", "date": "2007", "keywords": "acid; corrosion; hcl; hydrochloride; inhibition; steel", "summary": "Figure 7: Variation of Log (Wi - \u0394W) with time (days) for mild steel coupons in 2M HCl solutions containing different concentration of pyridoxol hydrochloride at 303K. 34 Ecl. Qu\u00edm., S\u00e3o Paulo, 32(3): 31-38, 2007 TABLE 1: The kinetic data for Mild steel in different concentrations of hydrochloric acid solutions without additives (Inhibitor). VOL32N3_v3.pmd A study on the inhibition of mild steel corrosion in hydrochloric acid by pyridoxol hydrochloride.", "mime": "application/pdf"}, {"id": "ecletica-1003", "words": "2424", "extension": ".pdf", "flesch": "57", "author": "Rigoli, Isabel Cristina; Cavalheiro, Carla Cristina Schmitt; Ramos, Luiz Antonio; Neumann, Miguel Guillermo; Cavalheiro, \u00c9der Tadeu Gomes", "title": "Thermal behaviour of TEGMMA copolymers obtained by photopolymerization using iron complexes", "date": "2007", "keywords": "copolymers; dsc; glass; mma; transition", "summary": "The concentrations of the photoinitiator and TEGDMA monomer were fixed at 2.5.10-4 and 0.2 mol L-1, respectively, while the concentration of MMA was varied from 3.0 to 9.0 mol L-1 (The notation TEGMMA3 to 9, corresponds to copolymers obtained using MMA concentration between 3 and 9 mol L-1). Although the polymerization rates increase with the MMA concentration up to 6.0 M, and decrease thereafter, the experimental reaction constant decreases steadily over all the range of MMA concentrations used (Figure 1).", "mime": "application/pdf"}, {"id": "ecletica-1004", "words": "2605", "extension": ".pdf", "flesch": "65", "author": "de Siqueira, Adriano Buzutti; de Carvalho, Cl\u00e1udio Teodoro; Rodrigues, Emanuel Carlos; Ionashiro, Elias Yuki; Bannach, Gilbert; Ionashiro, Massao", "title": "Synthesis, characterization and thermal behaviour on solid pyruvates of light trivalent lanthanides", "date": "2007", "keywords": "compounds; curves; pyruvate", "summary": "This behaviour was also observed during the dehy- dration of lanthanides and yttrium compounds with phenyl-substituted derivatives of benzylidenepyru- vate, and it seems to be characteristic of compounds obtained in amorphous state Conclusions From TG curves, elemental analysis and complexometry results a general formula could be established for these compounds in the solid state.", "mime": "application/pdf"}, {"id": "ecletica-1005", "words": "3749", "extension": ".pdf", "flesch": "62", "author": "Giraldo, Liliana; Ladino, Yolanda; Moreno-Piraj\u00e1n, Juan Carlos; Rodr\u00edguez, Maria del Pilar", "title": "Synthesis and characterization of activated carbon fibers from Kevlar", "date": "2007", "keywords": "activation; carbon; chemical; fibers; kevlar; shows", "summary": "Activated fibers were physically prepared from the carbonization of the Kevlar and its later activation with CO2 and steam of water, by the other hand; the chemically activated fibers were obtained by means of the impregnation of the material with phosphoric acid and their later carbonization. IR for the raw and activated fiber with phosphoric acid.", "mime": "application/pdf"}, {"id": "ecletica-1006", "words": "3979", "extension": ".pdf", "flesch": "64", "author": "Consolin-Filho, Nelson; Venancio, Everaldo Carlos; Barriquello, Marcilene Ferrari; Hechenleitner, Ana Adelina Winkler; Pineda, Edgardo Afonso G\u00f3mez", "title": "Methylene blue adsorption onto modified lignin from sugar cane bagasse", "date": "2007", "keywords": "adsorption; lignin; rfl; solution; temperature", "summary": "The rate of MB uptake from buffered aqueous solutions at pH = 5.8 and 4.5, respectively, is much faster than from the unbuffered aqueous solution at pH = 5.9. The general tendencies observed with the adsorption capacity are: - It decreases when the \u00b5 increases in the range of 0.1 to 1.0, - It increases when the temperature increases in the range of 30 to 50\u00b0C, - It increases when the pH increases in the range from 4.5 to 5.8, in buffered aqueous solutions.", "mime": "application/pdf"}, {"id": "ecletica-1007", "words": "1833", "extension": ".pdf", "flesch": "64", "author": "Revanasiddappa, Hosakere Doddarevanna; Veena, M. A.", "title": "Spectrophotometric determination of mosapride in pure and pharmaceutical preparations", "date": "2007", "keywords": "cta; methods", "summary": "In method M1, the azo-dye was stable and intense in an alkaline medium. No interferences were observed from excipients, and the validity of the each method was tested against reference method.", "mime": "application/pdf"}, {"id": "ecletica-1009", "words": "4473", "extension": ".pdf", "flesch": "46", "author": "Floriam, Bruna Gava; Pereira, Fab\u00edola Manhas Verbi; Filletti, \u00c9rica Regina", "title": "Estimating bulk density in leguminous grains with different traits using color parameters from digital images combined with artificial neural networks", "date": "2020", "keywords": "ann; bulk; color; corn; density; grains; images; test; training; values", "summary": "And the values of bean grains density (0.75-0.78 g cm-3) are within the range of corn grains density, which agrees with the results obtained for these two grains. The main goal was to analyze the entire packet then the variation in size of the grain had determined the number of packets, which did not affect ANN results, since it was not necessary for ANN to know which grain sample was being analyzed to estimate grain density in each packet.", "mime": "application/pdf"}, {"id": "ecletica-101", "words": "3120", "extension": ".pdf", "flesch": "52", "author": "de Sousa, Karla Silvana Menezes Gadelha; Oliveira, Anallyne Nayara Carvalho", "title": "Peroviskitas LaSrNiO3 como c\u00e1todo para c\u00e9lulas a combust\u00edvel de \u00f3xido s\u00f3lido (SOFC)", "date": "2015", "keywords": "alta; combust\u00edvel; como; c\u00e1todo; c\u00e9lulas; dos; eletr\u00f3lito; energia; materiais; material; para; que; qu\u00edmica; sofc; s\u00e3o; temperatura; uma; \u00f3xido", "summary": "Para os componentes estruturais, razo\u00e1vel for\u00e7a e resist\u00eancia na temperatura de opera\u00e7\u00e3o da c\u00e9lula, bem como razo\u00e1vel resist\u00eancia t\u00e9rmica ao choque; e) baixa press\u00e3o de vapor para evitar a perda do material; 3.1. Os metais tem as vantagens de alta condutividade el\u00e9trica e t\u00e9rmica que minimizam gradientes de temperatura em pilhas e \u00e9 mais f\u00e1cil de fabricar, mas requerem camadas resistentes \u00e0 corros\u00e3o e incompati- bilidade de expans\u00e3o t\u00e9rmica.", "mime": "application/pdf"}, {"id": "ecletica-1010", "words": "2329", "extension": ".pdf", "flesch": "57", "author": "Ita, Benedict Iserom; Louis, Hitler; Ibe, Nelson Nzeata", "title": "Solution of the Schr\u00f6dinger equation with inversely quadratic Yukawa potential (IQYP) plus Kratzer-Fues (KFP) potential using the WKB quantum mechanical formalism", "date": "2019", "keywords": "r r", "summary": "Upon, substituting Equations 11 and 12a into 12b i.e. the (WKB) we have ( ) 2 2 2 0 0 0 2 2 2 2 2 ( 1) 12 2 22 rb e e e e ne e ra V A D r V D r m E D V dr n r r r r r mr \uf064 \uf064 \uf070 \uf0e6 \uf0f6+ \u2212 + \u2212 + + + \u2212 \u2212 = +\uf0e7 \uf0f7 \uf0e8 \uf0f8 \uf0f2 Factoring out 2m (13) ( ) 2 2 2 0 0 0 2 2 2 2 2 ( 1) 12 2 22 rB e e e e ne e rA V A D r V D r m E D V dr n r r r r r mr \uf064 \uf064 \uf070 \uf0e6 \uf0f6+ \u2212 + \u2212 + + + \u2212 \u2212 = +\uf0e7 \uf0f7 \uf0e8 \uf0f8 \uf0f2 (14) ( ) ( ) 2 2 2 2 0 0 02 1 ( 1) 2 2 2 2 2 1 2 rB ne e e e e e rA m E D V r V A D r r D r V dr r m n \uf064 \uf064 \uf070 \uf0e9 \uf0f9\uf0e6 \uf0f6+ \u2212 + + \u2212 + + \u2212 \u2212 +\uf0ea \uf0fa\uf0e7 \uf0f7 \uf0e8 \uf0f8\uf0eb \uf0fb = + \uf0f2 (15) ( ) ( ) ( ) 2 2 2 2 0 0 0 1 ( 1) 2 2 2 2 2 1 2 rB ne e e e e e rA m E V D r A D r V r D r V dr r m n \uf064 \uf064 \u2212 \u2212 \u2212 + \u2212 + (10) https://doi.org/10.26850/1678-4618eqj.v44.3.2019.p50-55 Original article 52 Ecl\u00e9tica Qu\u00edmica Journal, vol. 44, n. 3, 2019, 50-55 ISSN: 1678-4618 DOI: 10.26850/1678-4618eqj.v44.3.2019.p50-55 2 2 2 0 0 ( ) 0 2 2 2 2 2 ( 1) 2 2 e e e e eff r e V A D r V D r V D V r r r r r mr \uf064 \uf064 + = \u2212 + \u2212 \u2212 \u2212 + + (11) ( )( ) 2 ( )eff rQ r m E V= \u2212 (12a)", "mime": "application/pdf"}, {"id": "ecletica-1011", "words": "9736", "extension": ".pdf", "flesch": "21", "author": "Marasco J\u00fanior, C\u00e9sar Augusto; Luchiari, Nat\u00e1lia da Costa; Lima Gomes, Paulo Clairmont Feitosa", "title": "Occurrence of caffeine in wastewater and sewage and applied techniques for analysis: a review", "date": "2019", "keywords": "anaerobic; caffeine; compounds; contaminants; environmental; journal; pharmaceuticals; removal; review; sample; sewage; technologies; treatment; wastewater; water", "summary": "Emerging contaminants: sample preparation and applied techniques for analysis According to the arguments presented above, and, because there is no specific legislation that regulates the disposal of these contaminants in the environment, the scientific community raised the concern about the development of analytical methods able to determine emerging contaminants present in several environmental matrices. [26] Gracia-Lor, E., Castiglioni, S., Bade, R., Been, F., Castrignan\u00f2, E., Covaci, A., Gonz\u00e1lez-Mari\u00f1o, I., Hapeshi, E., Kasprzyk-Hordern, B., Kinyua, J., Lai, F. Y., Letzel, T., Lopardo, L., Meyer, M. R., O\u2019Brien, J., Ramin, P., Rousis, N. I., Rydevik, A., Ryu, Y., Santos, M. M., Senta, I., Thomaidis, N. S., Veloutsou, S., Yang, Z., Zuccato, E., Bijlsma, L., Measuring biomarkers in wastewater as a new source of epidemiological information: Current state and future perspectives, Environment International 99 (2017) 131-150. https://doi.org/10.1016/j.envint.2016.12.016.", "mime": "application/pdf"}, {"id": "ecletica-1013", "words": "1298", "extension": ".pdf", "flesch": "41", "author": "Massabni, Antonio Carlos; Bladimiros Melios, Cristo", "title": "Cobalt(II) chloride complexes with some phosphine oxides: compatibility between structural data for the solid complexes and their stability constants in acetone medium", "date": "2019", "keywords": "acetone; complexes; constants; data; stability", "summary": "The present article deals with X-ray data for the solid complexes of general formula CoCl2L2, where L = triphenylphosphine oxide (TPPO), benzyldiphenylphosphine oxide (BDPPO), dibenzylphenylphosphine oxide (DBPPO) or tribenzylphosphine oxide (TBPO) as well as with formation constants of these complexes in acetone medium, at 25 \u00b0C. Equipment used for collection of X-ray diffraction data, measurements of diffraction ABSTRACT: Binary complexes of general formula CoCl2L2, where L = triphenylphosphine oxide (TPPO), benzyldiphenylphosphine oxide (BDPPO), dibenzylphenylphosphine oxide (DBPPO) and tribenzylphosphine oxide (TBPO) were considered concerning X-ray structural data for the complexes in the solid state and their stability constants in acetone solution.", "mime": "application/pdf"}, {"id": "ecletica-1017", "words": "7481", "extension": ".pdf", "flesch": "34", "author": "Furtado, Rafaely Ximenes de Sousa; Azevedo, Eduardo Bessa; Motheo, Artur de Jesus", "title": "Electrochemical degradation of aqueous alachlor and atrazine: products identification, lipophilicity, and ecotoxicity", "date": "2019", "keywords": "alachlor; atrazine; concentration; current; degradation; dps; electrode; journal; l-1; nacl; water", "summary": "Results obtained for the removals of alachlor, atrazine and their mixture, mineralization, and energy consumption estimated after electrochemical degradation (120 min, 30 mA cm-2, and 0.15 mol L-1 NaCl). [18] Gomes, F. E. R., Souza, N. E., Galinaro, C. A., Arriveti, L. O. R., Assis, J. B., Tremiliosi-Filho, G., Electrochemical degradation of butyl paraben on platinum and glassy carbon electrodes, Journal of Electroanalytical Chemistry 769 (2016) 124-130. https://doi.org/10.1016/j.jelechem.2016.03.016.", "mime": "application/pdf"}, {"id": "ecletica-1019", "words": "13588", "extension": ".pdf", "flesch": "50", "author": "da Silva, Fernando Santos; de Melo, Herc\u00edlio Gomes; Benedetti, Assis Vicente; Suegama, Patr\u00edcia Hatsue", "title": "Influence of Ce(IV) ions amount on the electrochemical behavior of hybrid films in 0.1 mol L-1 NaCl solution", "date": "2019", "keywords": "ce4; cerium; coating; corrosion; data; doi; eoc; fig; figure; hybrid; hybrid coating; ions; issn; ppm; solution; substrate; vol", "summary": "These results were in close agreement with optical microscopy observation of the degrading surfaces, both procedures showing that more protective coating was produced when 500 ppm of Ce4+ ions were added to the organic-inorganic hybrid solution. The chemical state of the organic-inorganic hybrid coating investigated by X-ray photoelectron spectroscopy (XPS) indicated that the addition of Ce4+ ions enhances the polycondensation degree of the organic-inorganic hybrid coating leading to a denser siloxane (Si-O-Si) network.", "mime": "application/pdf"}, {"id": "ecletica-102", "words": "1991", "extension": ".pdf", "flesch": "54", "author": "Bueno, Patricia; Sbampato, Maria Esther; Neri, Jos\u00e9 Wilson; Barreta, Luiz Felipe Nardin; dos Santos, Jhonatha Ricardo; Victor, Alessandro Rog\u00e9rio; Destro, Marcelo Geraldo", "title": "Espectroscopia optogalv\u00e2nica de \u00e9rbio optogalvanic spectroscopy of erbium", "date": "2015", "keywords": "catodo; com; espectroscopia; optogalv\u00e2nica; para; por; que; s\u00e3o; transi\u00e7\u00f5es; \u00e9rbio", "summary": "O presente trabalho apresenta alguns espectros obtidos pela t\u00e9cnica de espectroscopia optogalv\u00e2nica em l\u00e2mpada de catodo oco de \u00e9rbio, a fim de obter informa\u00e7\u00f5es sobre o \u00e1tomo, necess\u00e1rias para a sua separa\u00e7\u00e3o isot\u00f3pica. As teorias para determinar a polaridade do sinal optogalv\u00e2nico ainda s\u00e3o incompletas devido \u00e0 dificuldade em resolver as equa\u00e7\u00f5es de Maxwell, do plasma e de taxa simultaneamente.", "mime": "application/pdf"}, {"id": "ecletica-1022", "words": "5340", "extension": ".pdf", "flesch": "44", "author": "Santos, Hugo Sousa; Correa, Alessandra Alves; Gromboni, Murilo Fernando; Mascaro, Lucia Helena", "title": "Electrodeposition study of the Cu-Zn-Mo system in citrate/sulfate medium", "date": "2019", "keywords": "bath; citrate; coatings; deposition; electrodeposition; fig; journal; potentials", "summary": "Zn: Cu bath (bath 6), as shown in Fig. Cathodic voltammograms on Pt for baths Mo:", "mime": "application/pdf"}, {"id": "ecletica-1025", "words": "3286", "extension": ".pdf", "flesch": "47", "author": "Madeira, Aline Amaral", "title": "Application of a ternary phase diagram to the liquid-liquid extraction of ethanoic acid using ethyl ethanoate", "date": "2019", "keywords": "acid; ethanoate; ethanoic; ethyl; liquid; phase; water", "summary": "| Vol. 44 | n. 3 | 2019 | 43 Ecl\u00e9tica Qu\u00edmica Journal, vol. 44, n. 3, 2019, 43-49 ISSN: 1678-4618 DOI: 10.26850/1678-4618eqj.v44.3.2019.p43-49 Application of a ternary phase diagram to the liquid-liquid extraction of ethanoic acid using ethyl ethanoate Aline Amaral Madeira+ Pontifical Catholic University of Minas Gerais (PUC-MG), ethanoic acid 2. liquid-liquid extraction 3. ternary phase diagram 4. binodal curve 5. tie-lines 1.", "mime": "application/pdf"}, {"id": "ecletica-1027", "words": "261", "extension": ".pdf", "flesch": "26", "author": "Qu\u00edmica Journal, Ecl\u00e9tica", "title": "Editorial board", "date": "2019", "keywords": "brazil; prof", "summary": "Sul, UFRGS, RS, Brazil Prof. Enric Brillas, Facultat de Qu\u00edmica, Universitat de Barcelona, Spain Prof. Ver\u00f3nica Cort\u00e9s de Zea Bermudez, Escola de Ci\u00eancias da Vida e do Ambiente,Universidade de Tr\u00e1s- os-Montes e Alto Douro, Vila Real, Portugal Prof. Lauro Kubota, Instituto de Qu\u00edmica, Universidade Estadual de Campinas, Unicamp, SP, Brazil Prof. Ivano Gerardt Rolf Gutz, Instituto de Qu\u00edmica, Universidade de S\u00e3o Paulo, USP, SP, Brazil Prof. Jos\u00e9 Ant\u00f4nio Maia Rodrigues, Faculdade de Ci\u00eancias, Universidade do Porto, Portugal Prof. Bayardo Baptista Torres, Instituto de Qu\u00edmica, Universidade de S\u00e3o Paulo, USP, SP, Brazil Technical Staff Gustavo Marcelino de Souza Ecl\u00e9tica Qu\u00edmica Journal 2019 http://revista.iq.unesp.br/ojs/index.php/ecletica/index", "mime": "application/pdf"}, {"id": "ecletica-1028", "words": "247", "extension": ".pdf", "flesch": "29", "author": "Qu\u00edmica Journal, Ecl\u00e9tica", "title": "Editorial", "date": "2019", "keywords": "editor", "summary": "In sequence, the quantification of cadmium with an acceptable repeatability and good accuracy was presented employing noncommercial electrodes and minimal instrumentation, which can be accessed by many laboratories with scarce economic resources. For this purpose, the authors claimed that in order to increase metal complexes molecular catalysts application, it is imperative to overcome their poor stability which is a significant challenge.", "mime": "application/pdf"}, {"id": "ecletica-1029", "words": "2057", "extension": ".pdf", "flesch": "49", "author": "Qu\u00edmica Journal, Ecl\u00e9tica", "title": "Author guidelines", "date": "2019", "keywords": "authors; eclet; letter; manuscript; quim", "summary": "| Vol. 44 | n. 1 | 2019 | Instructions for Authors Preparation of manuscripts \u2022 Only manuscripts in English will be accepted. \u2022 Figures, schemes, and photos already published by the same or different authors in other publications may be reproduced in manuscripts of Eclet.", "mime": "application/pdf"}, {"id": "ecletica-103", "words": "2058", "extension": ".pdf", "flesch": "56", "author": "Oliveira Junot, Danilo; Chagas, Marcos Antonio Passos; Souza, Divan\u00edzia do Nascimento", "title": "An\u00e1lise termoluminescente de comp\u00f3sitos de CaSO4 ativado com terras raras", "date": "2015", "keywords": "ap\u00f3s; caso4; com; foram; pico; que", "summary": "As curvas de emiss\u00e3o TL das pastilhas de CaSO4:Ag irradiadas com fonte beta (90Sr+90Y) exibem dois picos nas temperaturas de 70\u00b0C e 110\u00b0C. 94 4. Conclus\u00f5es Embora materiais \u00e0 base de CaSO4 sejam muito utilizados em aplica\u00e7\u00f5es dosim\u00e9tricas, \u00e9 importante a continuidade de pesquisas sobre incorpora\u00e7\u00e3o de novos tipo de dopantes \u00e0 base, tal como os elementos aqui empregados, a fim de se buscar melhorar a sensibilidade e", "mime": "application/pdf"}, {"id": "ecletica-1030", "words": "162", "extension": ".pdf", "flesch": "2", "author": "Qu\u00edmica Journal, Ecl\u00e9tica", "title": "Summary", "date": "2019", "keywords": "summary", "summary": "Boniek Gontijo Vaz, Eric de Souza Gil Voltammetric method for the quantification of cadmium using non-commercial electrodes and minimal instrumentation...........................................................................................................................53 Javier Ernesto Vilas\u00f3 Cadre, Alejandro C\u00e9spedes Mart\u00ednez, Mar\u00eda de los \u00c1ngeles Arada P\u00e9rez, Jos\u00e9 Alejandro Baeza Reyes Chromium speciation in leather samples: an experiment using digital images, mobile phones and environmental concepts............................................................................................................................62 Vin\u00edcius Costa, Ariane Neiva, Edenir Pereira-Filho http://revista.iq.unesp.br/ojs/index.php/ecletica/index | Vol. 44 | n. 1 | 2019 | SUMMARY EDITORIAL BOARD........................................................................................................................................3 EDITORIAL.\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026.........................................................................................4 INSTRUCTIONS FOR AUTHORS....................................................................................................................5 ORIGINAL ARTICLES A review on the state-of-the-art advances for CO2 electro-chemical reduction using metal complex molecular catalysts...........................................................................\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026..........11 Hitler Louis, Ozioma Udochukwu Akakuru, Philip Monday, Oyebanji Oluwatomisin Funmilayo Electrochemical remediation of industrial pharmaceutical wastewater containing hormones in a pilot scale treatment system.............................................................................................................................40 Ruiter Lima Morais, Luane Ferreira Garcia, Emily Kussmaul Gon\u00e7alves Moreno, Douglas Vieira Thomaz, La\u00eds de Brito Rodrigues, Lara Barroso Brito, Germ\u00e1n Sanz Lob\u00f3n, Gisele Augusto Rodrigues de Oliveira, Marcella Ferreira Rodrigues,", "mime": "application/pdf"}, {"id": "ecletica-1032", "words": "3987", "extension": ".pdf", "flesch": "13", "author": "Payolla, Filipe Boccato; Massabni, Antonio Carlos; Orvig, Chris", "title": "Radiopharmaceuticals for diagnosis in nuclear medicine: a short review", "date": "2019", "keywords": "brazil; diagnosis; energy; gamma; ipen; medicine; nuclear; radiation; radionuclides; radiopharmaceuticals; review; short", "summary": "| Vol. 44 | n. 3 | 2019 | 11 Ecl\u00e9tica Qu\u00edmica Journal, vol. 44, n. 3, 2019, 11-19 ISSN: 1678-4618 DOI: 10.26850/1678-4618eqj.v44.3.2019.p11-19 Radiopharmaceuticals for diagnosis in nuclear medicine: a short review Filipe Boccato Payolla1 , Antonio Carlos Massabni1,2+ , Chris Orvig3 1 University of Araraquara (Uniara), 1217 Carlos Gomes St., Araraquara, S\u00e3o Paulo, Brazil 2 S\u00e3o Paulo State University (Unesp), Institute of Chemistry, 55 Professor Francisco Degni St., Araraquara, S\u00e3o Paulo, Brazil 3 University of British Columbia (UBC), Faculty of Pharmaceutical Sciences, Department of Chemistry, Medicinal Inorganic Chemistry Group, 2405 Wesbrook Mall, Vancouver, British Columbia, Canada +Corresponding author: Antonio Carlos Massabni, email address: amassabni@uol.com.br ARTICLE INFO Article history: radionuclide 2. nuclear medicine 3. diagnosis 4. radiopharmaceutical CONTENTS 1.", "mime": "application/pdf"}, {"id": "ecletica-1036", "words": "5000", "extension": ".pdf", "flesch": "21", "author": "Madeira, Aline Amaral; Silva, Ana Luiza Coimbra; Dias, Brenda Martins; Pena, Camila Andrade; Oliveira, Raphael Victor Costa", "title": "Chemically modified cellulose as a potential oil adsorbent of contaminated marine ecosystems", "date": "2020", "keywords": "adsorption; cellulose; chemical; groups; hydrophobicity; mass; microcrystalline; modification; oil; results", "summary": "Figure 4 shows FT-IR spectra of microcrystalline cellulose and modified cellulose. FT-IR spectra of microcrystalline cellulose and modified cellulose.", "mime": "application/pdf"}, {"id": "ecletica-1039", "words": "6866", "extension": ".pdf", "flesch": "40", "author": "Barros Gomes, Paulo Roberto; Oliveira, Marlucy Bezerra; de Sousa, Dionney Andrade; da Silva, Jeremias Caetano; Fernandes, Romer Pess\u00f4a; Louzeiro, Hilton Costa; de Oliveira, Rayone Wesley Santos; de Paula, Maria do Livramento; Mouchrek Filho, Victor Elias; Fontenele, Maria Alves", "title": "Larvicidal activity, molluscicide and toxicity of the essential oil of Citrus limon peels against, respectively, Aedes aegypti, Biomphalaria glabrata and Artemia salina", "date": "2019", "keywords": "activity; concentration; larvae; larvicidal; lc50; molluscicidal; oil; study; toxicity", "summary": "Materials and methods 2.1 Obtaining essential oil We collected the fruits, branches, and leaves of C. limon in the district of S\u00e1 Viana (January and June 2010), in the peripheral region of S\u00e3o Lu\u00eds/MA, directly from the lemon tree, which is free of agricultural pesticides. Though, the Ocotea bracteosa essential oil has activity with concentration, LC50 4.6 mg L-1 51.", "mime": "application/pdf"}, {"id": "ecletica-104", "words": "2188", "extension": ".pdf", "flesch": "63", "author": "Lahoud, Marcelo Galindo; Davolos, Marian Rosaly; de Jesus, Caio Augusto Soares; Frem, Regina C\u00e9lia Galv\u00e3o", "title": "Emiss\u00e3o quase branca de um complexo binuclear de dispr\u00f3sio(III) contendo dicarboxilatos", "date": "2015", "keywords": "complexo; composto; ligantes; para; que; uma", "summary": "Portanto, foram obtidos espectros de luminesc\u00eancia (excita\u00e7\u00e3o e emiss\u00e3o), no estado s\u00f3lido do complexo binuclear de Dy 3+ a temperatura ambiente. O complexo de Dy 3+ apresenta um espectro de emiss\u00e3o muito interessante, como pode ser verificado na an\u00e1lise da Figura 5.", "mime": "application/pdf"}, {"id": "ecletica-1041", "words": "8322", "extension": ".pdf", "flesch": "49", "author": "Demehin, Abidemi Iyewumi; Oladipo, Mary Adelaide; Semire, Banjo", "title": "Synthesis, spectroscopic, biological activities and DFT calculations of nickel(II) mixed-ligand complexes of tridentate Schiff bases", "date": "2020", "keywords": "bases; cm-1; complexes; doi; issn; journal; ligand; ligand complexes; ni(ii; ppm; schiff; spectra; vol", "summary": "[23] Ikram, M., Rehman, S., Khan, A., Baker, R. J., Hofer, T. S., Subhan, F., Qayum, F., Faridoon, M., Schulze, C., Sythesis, characterization, antioxidant and selective xanthine oxidase inhibitory studies of transition metal complexes of novel amino acid bearing Schiff base ligand, Inorganica Chimica Acta 428 (2015) 117-126. https://doi.org/10.1016/j.ica.2015.01.021. [20] Ali, H. A., Fares, H., Darawsheh, M., Rappocciolo, E., Akkawi, M., Jaber, S., Synthesis, characterization and biological activity of new mixed ligand complexes of Zn(II) naproxen with nitrogen based ligands, European Journal of Medicinal Chemistry 89 (2015)", "mime": "application/pdf"}, {"id": "ecletica-1042", "words": "9180", "extension": ".pdf", "flesch": "44", "author": "G\u00fcrkan, Ramazan; G\u00fcrkan, Nevalnur Zeynep", "title": "Determination of trace amounts of selenium in natural spring waters and tea samples by catalytic kinetic spectrophotometry", "date": "2019", "keywords": "determination; effect; kinetic; l-1; method; mol; reaction; samples; se(iv; selenium; sensitivity; time", "summary": "Water samples were acidified using dilute HNO3 to prevent metal ions from adsorbing on the walls of the measurement containers. [19] G\u00fcrkan, R., Ulusoy, H. I., The investigation of a novel indicator system for trace determination and speciation of selenium in natural water samples by kinetic spectrophotometric detection, Bull.", "mime": "application/pdf"}, {"id": "ecletica-1044", "words": "6072", "extension": ".pdf", "flesch": "49", "author": "Babaee, Saeed; Hosseini, Seyed Ghorban; Mirzaei, Mohammad", "title": "Rapid and selective extraction of trace amount of Pb(II) in aqueous samples using a magnetic ion-imprinted polymer and detection by flame atomic absorption spectrometry", "date": "2019", "keywords": "adsorption; fe3o4@sio2; fig; ions; l-1; lead; magnetic; miip; pb(ii; polymer", "summary": "3.5 Effect of interfering ions In order to prove specific recognition of magnetic ion imprinted polymer towards Pb(II) in the presence of common interfering ions, the selectivity of the prepared MIIP was investigated in binary systems36. The solution pH is one important parameter that can effect on metal ion adsorption.", "mime": "application/pdf"}, {"id": "ecletica-1045", "words": "3470", "extension": ".pdf", "flesch": "43", "author": "Oberherr, Renata; Tassinary, Renata Fioravante; Vognach, Let\u00edcia; Stulp, Simone", "title": "Application of ultrafiltration and electrodialysis techniques in lactic acid removal from whey solutions", "date": "2019", "keywords": "acid; concentration; electrodialysis; journal; lactic; membrane; ultrafiltration; whey", "summary": "[11] Dlask, O., V\u00e1clav\u00edkova, N., Electrodialysis with ultrafiltration membranes for peptide separation, Chemical Papers 72 (2) (2017) 261-271. 2.1 Analysis of limiting current in ED process Initially, the limiting current in ED process has been determined using a CaCl2 solution for comparison with the results of Na+ ions, according to the Tanaka14, in a cation-exchange membrane, to simulate Ca2+ ions present in whey.", "mime": "application/pdf"}, {"id": "ecletica-105", "words": "3552", "extension": ".pdf", "flesch": "63", "author": "de Souza, Luiza Freire; Souza, Divan\u00edzia do Nascimento", "title": "Produ\u00e7\u00e3o de dos\u00edmetros termoluminescentes \u00e0 base de MgB4O7: Dy e MgB4O7:Tm", "date": "2015", "keywords": "com; das; dose; figura; foram; mgb4o7; para; pico; que", "summary": "Para o estudo da depend\u00eancia energ\u00e9tica na resposta TL das pastilhas de MgB4O7:Dy e MgB4O7:Tm foram comparados os dados obtidos das an\u00e1lises das emiss\u00f5es dessas pastilhas quando irradiadas com doses de 1 Gy. Dy 50 Gy 20 Gy 10 Gy 5 Gy 1 Gy Figura 4 - Emiss\u00e3o TL das pastilhas de MgB4O7:", "mime": "application/pdf"}, {"id": "ecletica-1052", "words": "264", "extension": ".pdf", "flesch": "26", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial Board", "date": "2019", "keywords": "brazil; prof", "summary": "Sul, UFRGS, RS, Brazil Prof. Enric Brillas, Facultat de Qu\u00edmica, Universitat de Barcelona, Spain Prof. Ver\u00f3nica Cort\u00e9s de Zea Bermudez, Escola de Ci\u00eancias da Vida e do Ambiente,Universidade de Tr\u00e1s- os-Montes e Alto Douro, Vila Real, Portugal Prof. Lauro Kubota, Instituto de Qu\u00edmica, Universidade Estadual de Campinas, Unicamp, SP, Brazil Prof. Ivano Gerardt Rolf Gutz, Instituto de Qu\u00edmica, Universidade de S\u00e3o Paulo, USP, SP, Brazil Prof. Jos\u00e9 Ant\u00f4nio Maia Rodrigues, Faculdade de Ci\u00eancias, Universidade do Porto, Portugal Prof. Bayardo Baptista Torres, Instituto de Qu\u00edmica, Universidade de S\u00e3o Paulo, USP, SP, Brazil Technical Staff Gustavo Marcelino de Souza Let\u00edcia Amanda Miguel Ecl\u00e9tica Qu\u00edmica Journal 2019 http://revista.iq.unesp.br/ojs/index.php/ecletica/index", "mime": "application/pdf"}, {"id": "ecletica-1053", "words": "309", "extension": ".pdf", "flesch": "29", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial", "date": "2019", "keywords": "applications; issue", "summary": "Continuing, a simple and rapid screening method is presented for direct speciation of arsenobetaine in tuna fish tissue and total arsenic in tuna fish tissue and robalo liver; the simplicity of the method enables its use in routine analyses. A compilation of recent papers related to multivariate calibration and classification, as well as design of experiments applications and artificial intelligence methods have been reported.", "mime": "application/pdf"}, {"id": "ecletica-1054", "words": "2058", "extension": ".pdf", "flesch": "50", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Author guidelines", "date": "2019", "keywords": "authors; eclet; letter; manuscript; quim", "summary": "| Vol. 44 | n. 2 | 2019 | Instructions for Authors Preparation of manuscripts \u2022 Only manuscripts in English will be accepted. \u2022 Figures, schemes, and photos already published by the same or different authors in other publications may be reproduced in manuscripts of Eclet.", "mime": "application/pdf"}, {"id": "ecletica-1055", "words": "186", "extension": ".pdf", "flesch": "-10", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Summary", "date": "2019", "keywords": "pereira; summary", "summary": "26 Gustavo Pereira Saito, Mariana Bizari, Marco Aur\u00e9lio Cebim, Marcos Antonio Correa, Miguel Jafelicci Junior, Marian Rosaly Davolos Direct determination of arsenobetaine and total As in robalo fish liver and tuna fish candidate reference material by slurry sampling graphite furnace atomic absorption spectrometry (SLS-GF AAS)...................37 Carla Ma\u00edra Bossu, Vivian Montes de Oca Carioni, Juliana Naozuka, Pedro Vitoriano de Oliveira, Cassiana Seimi Nomura Effects of garnet particles and chill casting conditions on properties of aluminum matrix hybrid composites.......................................................................................................................................................45 Haider Tawfiq Naeem, Firas Fouad Abdullah Cobalt(II) chloride complexes with some phosphine oxides: compatibility between structural data for the solid complexes and their stability constants in acetone medium..............................................................53 Antonio Carlos Massabni, Cristo Bladimiros Melios http://revista.iq.unesp.br/ojs/index.php/ecletica/index | Vol. 44 | n. 2 | 2019 | SUMMARY EDITORIAL BOARD..............................................................................................................................................3 EDITORIAL.\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026...............................................................................................4 INSTRUCTIONS FOR AUTHORS..........................................................................................................................5 ORIGINAL REVIEW Chemometrics in analytical chemistry \u2013 an overview of applications from 2014 to 2018........................11 M\u00f4nica Cardoso Santos, Paloma Andrade Martins Nascimento, Wesley Nascimento Guedes, Edenir Rodrigues Pereira-Filho, \u00c9rica Regina Filletti, Fab\u00edola Manhas Verbi Pereira ORIGINAL ARTICLES Study of the colloidal stability and optical properties of sunscreen creams...............................................", "mime": "application/pdf"}, {"id": "ecletica-1057", "words": "5884", "extension": ".pdf", "flesch": "45", "author": "Cruz, Andreza de Faria Alves; de Carvalho, Raquel Moreira Maduro; de Oliveira, F\u00e1bio Celso", "title": "Study of the properties of lubricating oils obtained from biodiesel", "date": "2020", "keywords": "alcohol; biodiesel; castor; coconut; engine; impurities; mass; oil; reaction; rice; values; viscosity", "summary": "% biodiesel BROM BROI BROE Reaction 1 83 46 54 Reaction 2 71 Tables 1, 2 and 3 present the methodologies used in each parameter, the results obtained by the analysis of coconut, castor and rice biodiesel, respectively, following the limits established by the Brazilian legislation4.", "mime": "application/pdf"}, {"id": "ecletica-1059", "words": "4787", "extension": ".pdf", "flesch": "38", "author": "Fenga, Paula Gon\u00e7alves; Cardoso, Franciane Pinheiro; Nikolaou, Sofia; de Andrade, Adalgisa Rodrigues", "title": "Membraneless ethanol,O2 enzymatic biofuel cell based on laccase and ADH/NAD+ bioelectrodes", "date": "2019", "keywords": "adh; biofuel; cell; etoh; l-1; laccase; mmol; mwcnts; pbs; polypyr", "summary": "| Vol. 44 | special issue | 2019 | 46 - Ecl\u00e9tica Qu\u00edmica Journal, vol. 44, special issue, 2019, 46-54 ISSN: 1678-4618 DOI: 10.26850/1678-4618eqj.v44.1SI.2019.p46-54 Membraneless ethanol,O2 enzymatic biofuel cell based on laccase and ADH/NAD+ bioelectrodes Paula Gon\u00e7alves Fenga, Franciane Pinheiro Cardoso, Sofia Nikolaou , Adalgisa Rodrigues de Andrade+ University of S\u00e3o Paulo (USP), Faculty of Philosophy Sciences and Letters at Ribeir\u00e3o Preto, Department of Chemistry, 3900 Bandeirantes Ave., 14040- 901, Ribeir\u00e3o Preto, SP, Brazil +Corresponding author: Adalgisa R. de Andrade, phone: +55(16) 33153725, email address: ardandra@ffclrp.usp.br ARTICLE INFO Article history: This work describes EtOH,O2 membraneless enzymatic biofuel cells (EtOH,O2 MlessEBFCs) that employ laccase-based biocathodes and ADH/NAD+ bioanode.", "mime": "application/pdf"}, {"id": "ecletica-106", "words": "3041", "extension": ".pdf", "flesch": "67", "author": "de Paula, Leandro Neves; Giusto, Luana Aparecida dos Reis; Ardisson, Jos\u00e9 Domingos; Magalh\u00e3es, Fabiano", "title": "Utiliza\u00e7\u00e3o do p\u00f3 de aciaria el\u00e9trica modificado termicamente em rea\u00e7\u00f5es para redu\u00e7\u00e3o do nitrobenzeno \u00e0 anilina", "date": "2015", "keywords": "anilina; com; ferro; foi; nitrobenzeno; pae; pae500; para; por; que; qu\u00edmica; rea\u00e7\u00e3o; redu\u00e7\u00e3o", "summary": "TABELA 2: Par\u00e2metros hiperfinos M\u00f6ssbauer para PAE e PAE500. A Figura 3A apresenta o espectro UV- vis\u00edvel do nitrobenzeno sendo convertido \u00e0 anilina a partir da rea\u00e7\u00e3o com o PAE500. FIGURA 3: Espectro UV vis\u00edvel da rea\u00e7\u00e3o de convers\u00e3o do nitrobenzeno a anilina atrav\u00e9s da rea\u00e7\u00e3o com o PAE500 (A) e varia\u00e7\u00e3o da concentra\u00e7\u00e3o de nitrobenzeno e anilina em fun\u00e7\u00e3o do tempo de rea\u00e7\u00e3o (B).", "mime": "application/pdf"}, {"id": "ecletica-1062", "words": "4195", "extension": ".pdf", "flesch": "29", "author": "Ribeiro, Gislane dos Santos; Carneiro, Amanda de Assis; Martins, Diegue Henrique Nascimento; Simeoni, Luiz Alberto; Silveira, D\u00e2maris; Magalh\u00e3es, P\u00e9rola Oliveira; Fonseca-Bazzo, Yris Maria", "title": "Determination of harpagoside in Harpagophytum procumbens DC tablet\u2019s using analytical method by High Performance Liquid Chromatography", "date": "2020", "keywords": "concentration; harpagoside; method; peak; procumbens; quality; samples; standard; time", "summary": "Determination of harpagoside in Harpagophytum procumbens DC tablet\u2019s using analytical method by High Performance Liquid Chromatography Gislane dos Santos Ribeiro , Amanda de Assis Carneiro , Diegue Henrique Nascimento Martins, Luiz Alberto Simeoni , D\u00e2maris Silveira , P\u00e9rola Oliveira Magalh\u00e3es , Yris Maria Fonseca-Bazzo+ University of Bras\u00edlia (UnB), Health Sciences School, Department of Pharmaceutical Sciences, Laboratory of Natural Products (LaProNat), Bras\u00edlia, DF, Brazil +Corresponding author: Yris Maria Fonseca-Bazzo, Phone: Materials and methods 2.1 Standard, samples and reagents Harpagoside, considered chemical marker of the species and used for standardization of commercial products, was provided by Sigma- Aldrich.", "mime": "application/pdf"}, {"id": "ecletica-1064", "words": "4157", "extension": ".pdf", "flesch": "47", "author": "Amaral Madeira, Aline", "title": "Major and minor head losses in a hydraulic flow circuit: experimental measurements and a Moody\u2019s diagram application", "date": "2020", "keywords": "flow; friction; head; hydraulic; loss; losses; pipe", "summary": "[4] Moody, L. F., Princeton, N. J., Friction factors for pipe flow, Transactions of the American Society of Mechanical Engineers 66 (1944) 671-681. +55 31 991807451, Email address: madeira.alineamaral@gmail.com ARTICLE INFO Article history: Received: June 13, 2019 Accepted: January 31, 2020 Published: July 1, 2020 Keywords: 1. head loss 2. hydraulic circuit 3. head loss coefficient 4. friction factor 5.", "mime": "application/pdf"}, {"id": "ecletica-1067", "words": "5279", "extension": ".pdf", "flesch": "34", "author": "Madeira, Aline Amaral", "title": "Grain-size mineral analysis of verdete rock coarse and fine aggregates and adjustment to two granulometric distribution models", "date": "2020", "keywords": "aggregates; analysis; diameter; distribution; grain; mean; particle; rock; size; verdete", "summary": "Published: January 1, 2020 Keywords: 1. verdete rock 2. grain-size analysis 3. particle size distribution 4. Moreover, particle size distribution (PSD) influences various activities of resource and energy utilization, and industrial processes, such as the granular materials flow characteristics, flotation and leaching processes, compacting and sintering processes of metallurgical powders, coal combustion process, settling time of cements, among others processes.", "mime": "application/pdf"}, {"id": "ecletica-1068", "words": "5746", "extension": ".pdf", "flesch": "52", "author": "Em\u00eddio, Elissandro Soares; da Silva, Claudia Pereira; de Marchi, Mary Rosa Rodrigues", "title": "Estrogenic mycotoxins in surface waters of the Rico Stream micro-basin, S\u00e3o Paulo, Brazil: occurrence and potential estrogenic contribution", "date": "2020", "keywords": "estrogenic; l-1; mycotoxins; n.d; stream; total; water; zal; zan n.d; zel n.d; zen", "summary": "[17] Em\u00eddio, E. S., Silva, C. P. da, Marchi, M. R. R. de, Determination of estrogenic mycotoxins in environmental water samples by low-toxicity dispersive liquid-liquid microextraction and liquid chromatography-tandem mass spectrometry, Journal of Chromatography A. 1391 (2015) 1-8. https://doi.org/10.1016/j.chroma.2015.02.067. The determination of the estrogenic mycotoxins in water samples from the Rico Stream microbasin yielded levels of up to 59 ng L-1 and their corresponding calculated estrogenic equivalent (cEEQ) values were between < 0.03 and 1.4 ng L-1, which are associated with negative effects on the reproduction and growth of some fish species.", "mime": "application/pdf"}, {"id": "ecletica-107", "words": "2631", "extension": ".pdf", "flesch": "58", "author": "Coelho, M\u00e1rcio Guimar\u00e3es; de Lima, Geraldo Magela; Augusti, Rodinei; Ardisson, Jos\u00e9 Domingos; de Andrade, Fabr\u00edcio Vieira; Duarte, Luciana dos Santos", "title": "Study of the catalytic activity of bovine bone powder impregnated with Fe(III) new material for the catalytic degradation of Indigo Carmine", "date": "2015", "keywords": "bone; carmine; degradation; indigo", "summary": "M. G. Coelho, G. M. de Lima, A. O. Porto, J. D. Ardisson, Main Group Met. M. G. Coelho, G. M. de Lima, R. Augusti, R. D. A. Maria, J. D. Ardisson, Appl.", "mime": "application/pdf"}, {"id": "ecletica-1070", "words": "264", "extension": ".pdf", "flesch": "26", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "editorial board", "date": "2019", "keywords": "brazil; prof", "summary": "Sul, UFRGS, RS, Brazil Prof. Enric Brillas, Facultat de Qu\u00edmica, Universitat de Barcelona, Spain Prof. Ver\u00f3nica Cort\u00e9s de Zea Bermudez, Escola de Ci\u00eancias da Vida e do Ambiente,Universidade de Tr\u00e1s- os-Montes e Alto Douro, Vila Real, Portugal Prof. Lauro Kubota, Instituto de Qu\u00edmica, Universidade Estadual de Campinas, Unicamp, SP, Brazil Prof. Ivano Gerardt Rolf Gutz, Instituto de Qu\u00edmica, Universidade de S\u00e3o Paulo, USP, SP, Brazil Prof. Jos\u00e9 Ant\u00f4nio Maia Rodrigues, Faculdade de Ci\u00eancias, Universidade do Porto, Portugal Prof. Bayardo Baptista Torres, Instituto de Qu\u00edmica, Universidade de S\u00e3o Paulo, USP, SP, Brazil Technical Staff Gustavo Marcelino de Souza Let\u00edcia Amanda Miguel Ecl\u00e9tica Qu\u00edmica Journal 2019 http://revista.iq.unesp.br/ojs/index.php/ecletica/index", "mime": "application/pdf"}, {"id": "ecletica-1071", "words": "252", "extension": ".pdf", "flesch": "16", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial", "date": "2019", "keywords": "editor", "summary": "This issue also brings other interesting subjects as follows: a) characterization of nimesulide raw materials from different manufacturers, development of immediate release tablets and different specification for quality control are described; b) chemical investigation of the crude extract obtained from small-scale and large-scale cultures of the endophytic fungus Schizophyllum commune, that resulted in the identification of promising antioxidant, antifungal, and acetylcholinesterase inhibitory activities, being some of compounds identified and isolated by the first time from endophytic fungus of the Schizophyllum genus; c) liquid-liquid equilibrium of the extraction process of ethanoic acid in aqueous phase showing good performance of the solvent ethyl ethanoate for concentrations of solute until 16% of the feed; d) theoretical investigation of the bound state solutions of the non-relativistic Schr\u00f6dinger equation with a mixed potential, using the Wentzel-Kramers-Brillouin quantum theoretical formalism. The Editor, convinced of the high quality of the articles published so far in EQJ, kindly invite you to submit your manuscript to Ecl\u00e9tica Qu\u00edmica Journal and thanks all authors for their valuable contributions.", "mime": "application/pdf"}, {"id": "ecletica-1072", "words": "2058", "extension": ".pdf", "flesch": "50", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Author guidelines", "date": "2019", "keywords": "authors; eclet; letter; manuscript; quim", "summary": "| Vol. 44 | n. 3 | 2019 | Instructions for Authors Preparation of manuscripts \u2022 Only manuscripts in English will be accepted. \u2022 Figures, schemes, and photos already published by the same or different authors in other publications may be reproduced in manuscripts of Eclet.", "mime": "application/pdf"}, {"id": "ecletica-1073", "words": "165", "extension": ".pdf", "flesch": "-25", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Summary", "date": "2019", "keywords": "summary", "summary": "| Vol. 44 | n. 3 | 2019 | SUMMARY EDITORIAL BOARD..............................................................................................................................................3 EDITORIAL.\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026...............................................................................................4 INSTRUCTIONS FOR AUTHORS..........................................................................................................................5 ORIGINAL REVIEW Radiopharmaceuticals for diagnosis in nuclear medicine: a short review..................................................11 Filipe Boccato Payolla, Antonio Carlos Massabni, Chris Orvig ORIGINAL ARTICLES Characterization of nimesulide and development of immediate release tablets.......................................20 Helv\u00e9cio Vin\u00edcius Antunes Rocha, Rachel de Sousa Augusto, Livia Deris Prado, Erika Martins de Carvalho Diketopiperazines and arylethylamides produced by schizophyllum commune, an endophytic fungus in Alchornea glandulosa......................................................................................................................................36 Carolina Rabal Biasetto, Andressa Somensi, Fernanda Sales Figueiro, Luiz Alberto Beraldo de Moraes, Geraldo Humberto Silva, Maria Claudia Marx Young, Vanderlan da Silva Bolzani, Angela Regina Ara\u00fajo Application of a ternary phase diagram to the liquid-liquid extraction of ethanoic acid using ethyl ethanoate.........................................................................................................................................................43 Aline Amaral Madeira Bound state solution of the Schr\u00f6dinger equation with inversely quadratic Yukawa/Attractive Coulomb potential (IQYC) plus Kratzer-Fues (KFP) potential via the WKB quantum formalism................................50 Benedict Iserom Ita, Hitler Louis, Nelson Nzeata-Ibe http://revista.iq.unesp.br/ojs/index.php/ecletica/index Summary iq.unesp.br/ecletica", "mime": "application/pdf"}, {"id": "ecletica-1077", "words": "4881", "extension": ".pdf", "flesch": "60", "author": "Ikot, Akpan Ndem; Okorie, Uduakobong; Ngiangia, Alalibo Thompson; Onate, Clement Atachegbe; Edet, Collins Okon; Akpan, Ita Okon; Amadi, Precious Ogbonda", "title": "Bound state solutions of the Schr\u00f6dinger equation with energy-dependent molecular Kratzer potential via asymptotic iteration method", "date": "2020", "keywords": "eigenvalues; energy; equation; journal; k k; kratzer; molecules; physics; potential", "summary": "where, ( ) ( ) ( ) ( ) 2 1 22 3 , , 2 2n n t b at N N N b \uf073 \uf073 \uf073 \uf072 \uf073 \uf047 + + ++ + = = = + + (16) 3. Bound state solution of the Schr\u00f6dinger equation with energy-dependent Kratzer potential The radial part of the Schr\u00f6dinger equation with energy dependent potential ( , )nlV r E reads35: ( ) 22 2 2 2 12 ( , ) ( ) 0 2 nl nl nl nl l ld E V r E r dr r \uf079 \uf06d \uf079 \uf06d \uf0e6 \uf0f6+ + \u2212 \u2212 =\uf0e7 \uf0f7 \uf0e8 \uf0f8 (17) where \uf06d is the reduced mass of the molecules, nlE is the energy of the system, denotes the reduced Planck constant, n and represent the principal and orbital angular momentum quantum numbers respectively. We compute the energy eigenvalues (in eV) of energy dependent Kratzer molecular potential for CO, NO, O2 and I2 diatomic molecules.", "mime": "application/pdf"}, {"id": "ecletica-108", "words": "1866", "extension": ".pdf", "flesch": "48", "author": "de Moura, Felipe Carlos; de Andrade, Helo\u00edsa Monteiro; Freitas, Darlielva do Ros\u00e1rio; Amaral, Camila Rodrigues", "title": "Effect of aqueous extracts from the clove (Syzygium aromaticum) on chlorophyll content and breath in seedlings of cabbage (Brassica oleracea)", "date": "2015", "keywords": "clorofila; com; couve; cravo; das; extrato; massa; pl\u00e2ntulas; que; \u00edndia", "summary": "A respira\u00e7\u00e3o potencial das c\u00e9lulas radiculares das pl\u00e2ntulas de couve foi estimada por meio da redu\u00e7\u00e3o do cloridrato de trifenil tetraz\u00f3lio (TTC) pela atividade de enzimas desidrogenases, resultando no ac\u00famulo de formazan (Figura 1). O objetivo deste trabalho \u00e9 analisar a influ\u00eancia de extratos aquosos de gemas florais de cravo- da-\u00edndia sobre a produ\u00e7\u00e3o de massa seca da planta, teores de clorofila a, b e totais e atividades respirat\u00f3rias potenciais das ra\u00edzes de pl\u00e2ntulas de couve.", "mime": "application/pdf"}, {"id": "ecletica-1080", "words": "6051", "extension": ".pdf", "flesch": "44", "author": "Migues, Ignacio; de Barros, Neiva Montero; Rech, V\u00e2nia; Dutra, Carmelo; D\u00edaz, Alejandro Ruiz; Malaquias, Juaci Vit\u00f3ria; Specht, Alexandre; Heinzen, Horacio; Cesio, Maria Veronica", "title": "Effects on the development of Spodoptera frugiperda feeding on diets spiked with Solanum sisymbriifolium extracts", "date": "2020", "keywords": "acid; compound; extract; frugiperda; https://doi.org/10.26850/1678-4618eqj.v45.2.2020.p33-43; journal; larvae; ml-1", "summary": "These results show that the acyl sugars isolated from S. sisymbriifolium trichomes are a new class of bioactive compounds that affect the development of the fall armyworm S. frugiperda. Abnormalities found in S. frugiperda larval stage when fed with artificial diet spiked with Compound 2 (a, b & c) and with Compound 1 (d & e).", "mime": "application/pdf"}, {"id": "ecletica-1081", "words": "7879", "extension": ".pdf", "flesch": "45", "author": "Ferenc, Wies\u0142awa; Osypiuk, Dariusz; Sarzy\u0144ski, Jan; G\u0142uchowska, Halina", "title": "Complexes of Mn(II), Co(II), Ni(II), Cu(II) and Zn(II) with ligand formed by condensation reaction of isatin with glutamic acid", "date": "2020", "keywords": "bands; cm-1; co(ii; complexes; compounds; https://doi.org/10.26850/1678-4618eqj.v45.3.2020.p12-27; isatin; journal; ligand; magnetic; mn(ii; ni(ii; values", "summary": "Thus, the chemistry of metal complexes with multidentate ligands as isatin with amino acids can gain much interest. TG, DTG and DSC curves for analysed complexes.", "mime": "application/pdf"}, {"id": "ecletica-1089", "words": "7401", "extension": ".pdf", "flesch": "41", "author": "Ramirez-Perez, Javier Christian; Janes, Harry", "title": "Impact of salinity on the kinetics of CO2 fixation by Spirulina platensis cultivated in semi-continuous photobioreactors", "date": "2021", "keywords": "co2; concentration; growth; intensity; light; m-2; s-1; s. platensis; salinity; spirulina; temperature; \u00b0 c; \u00b5mol", "summary": "Adaptation of S. platensis to high salinity, an inoculum of microalgae S. platensis were cultivated in a modified Zarrouk\u2019s medium10 (Tab. 2). An experimental factorial design was proposed to study the three factors: CO2 concentration, temperature and light intensity, ranging at five levels using the same experimental procedure, first for S. platensis culture followed by S. platensis adapted to high salt concentration.", "mime": "application/pdf"}, {"id": "ecletica-109", "words": "3776", "extension": ".pdf", "flesch": "57", "author": "Fittipaldi, Danielli Vazzoller; von Randow de Abreu Bastos Pandolpho, Ludmila; Barbosa de Deus, Ros\u00e2ngela; de Miranda Guarda, Vera L\u00facia", "title": "Potencial de cianobact\u00e9rias provenientes de pesque-pagues para biorremedia\u00e7\u00e3o de \u00e1guas contaminadas por ars\u00eanio", "date": "2015", "keywords": "ars\u00eanio; biomassa; biorremedia\u00e7\u00e3o; cianobact\u00e9rias; clorofila; com; como; concentra\u00e7\u00e3o; concentra\u00e7\u00f5es; foi; foram; meio; microcystis; para; por; que; ser; uma; \u00e1gua", "summary": "do seu estado de oxida\u00e7\u00e3o e da estrutura qu\u00edmica da esp\u00e9cie met\u00e1lica [2] descreve que dependendo da dose, da modalidade e do tempo de exposi\u00e7\u00e3o, o ars\u00eanio pode causar v\u00e1rias doen\u00e7as: c\u00e2ncer de pele, pulm\u00e3o, bexiga, rins e f\u00edgado; queratose, doen\u00e7as gastrointestinais, neurol\u00f3gicas e endocrinol\u00f3gicas e que \u00e9 poss\u00edvel haver uma rela\u00e7\u00e3o do consumo de ars\u00eanio com o aumento de casos de Diabetes mellitus, abortos espont\u00e2neos e doen\u00e7as respirat\u00f3rias.", "mime": "application/pdf"}, {"id": "ecletica-1091", "words": "6820", "extension": ".pdf", "flesch": "23", "author": "Duarte, Luiza de Souza; Pereira, Mariana Toledo Martins; Pascoal, Vinicius D\u2019\u00c1vila Bitencourt; Pascoal, Aislan Cristina Rheder Fagundes", "title": "Campomanesia genus \u2013 a literature review of nonvolatile secondary metabolites, phytochemistry, popular use, biological activities, and toxicology", "date": "2020", "keywords": "activities; activity; c. a.; campomanesia; extract; journal; leaves", "summary": "[64] Catelan, T. B. S., Brum, C. C. S., Heredia-Vieira, S. C., Crispim, B. A., Grisolia, A. B., Santos, R. C. S., Cardoso, C. A. L., Cytotoxicity, Genotoxicity, Antioxidant Potential and Chemical Composition of Leaves of Campomanesia pubescens (Mart. [25] Pascoal, A. C. R. F., Louren\u00e7o, C. C., Sodek, L., Tamashiro, J. Y., Franchi Junior, G. C., Nowill, A. E., Stefanello, M. \u00c9. A., Salvador, M. J., Essential oil from the leaves of Campomanesia guaviroba (DC.)", "mime": "application/pdf"}, {"id": "ecletica-1096", "words": "3764", "extension": ".pdf", "flesch": "46", "author": "Murat, Martyna; Lederer, Jarom\u00edr; Rodov\u00e1, Alena; Hidalgo Herrador, Jos\u00e9 Miguel", "title": "Hydrodeoxygenation and pyrolysis of free fatty acids obtained from waste rendering fat", "date": "2020", "keywords": "acids; catalyst; fatty; ffa; https://doi.org/10.26850/1678-4618eqj.v45.3.2020.p28-36; production; products; pyrolysis; use", "summary": "| Vol. 45 | n. 3 | 2020 | 28 Ecl\u00e9tica Qu\u00edmica Journal, vol. 45, n. 3, 2020, 28-36 ISSN: 1678-4618 DOI: 10.26850/1678-4618eqj.v45.3.2020.p28-36 Hydrodeoxygenation and pyrolysis of free fatty acids obtained from waste rendering fat Martyna Murat, Jarom\u00edr Lederer, Alena Rodov\u00e1, Jos\u00e9 Miguel Hidalgo pyrolysis 3. hydrodeoxygenation 4. hydrotreatment 5. free fatty acids 1.", "mime": "application/pdf"}, {"id": "ecletica-1099", "words": "515", "extension": ".pdf", "flesch": "36", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial", "date": "2019", "keywords": "article; paper", "summary": "Supplementary Materials should be presented in appropriate .docx file for text, tables, figures and graphics. A novelty that will be implemented in our next number is the insertion of Supplementary Material in a proper file with its exclusive DOI number.", "mime": "application/pdf"}, {"id": "ecletica-110", "words": "5146", "extension": ".pdf", "flesch": "60", "author": "Corbi, Juliano Jos\u00e9; Kleine, Priscila; Trivinho Strixino, Susana; dos Santos, Ademir", "title": "Diagn\u00f3stico ambiental de metais no sedimento de c\u00f3rregos adjacentes a \u00e1reas de cultivo de banana (Musa spp.) no estado de S\u00e3o Paulo, Brasil", "date": "2015", "keywords": "banana; ciliar; com; como; concentra\u00e7\u00f5es; cultivo; c\u00f3rregos; das; de banana; dos; elevadas; estado; foram; mais; mata; metais; mg.kg-1; nos; para; paulo; por; que; qu\u00edmica; sedimento; sem; s\u00e3o; uma; valores; \u00e1reas", "summary": "W 48 o 04' 2.16 14.2 0.03 9.56 19,2 Canan\u00e9ia M3 Mata ciliar S 24 o 57' W 48 o 59' 1.93 15.1 0.21 9.27 19,0 M4 Mata ciliar S 24 o 57' W 48 o 00' 1.47 13.4 0.21 9.03 19,5 M5 Mata ciliar S 24 o 58' W 48 o 00' 2.71 22.1 0.24 8.20 20,4 *B1 a B5 \u2013 c\u00f3rregos de cultivos de banana; M1 a M5 \u2013 c\u00f3rregos de mata preservada Tabela II. os menores valores foram detectados para c\u00f3rregos de M1 e de M2.", "mime": "application/pdf"}, {"id": "ecletica-1100", "words": "2192", "extension": ".docx", "flesch": "47", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Author guidelines", "date": "2019", "keywords": "authors; eclet; letter; manuscript; quim", "summary": "| Author guidelines 2 Ecl\u00e9tica Qu\u00edmica Journal, volume, year, pages.2 Instructions for Authors Preparation of manuscripts \u2022\u00a0Only manuscripts in English will be accepted. \u2022 Figures, schemes, and photographs already published by the same or different authors in other publications may be reproduced in manuscripts of Eclet.", "mime": "application/vnd.openxmlformats-officedocument.wordprocessingml.document"}, {"id": "ecletica-1103", "words": "264", "extension": ".pdf", "flesch": "26", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial Board", "date": "2019", "keywords": "brazil; prof", "summary": "Sul, UFRGS, RS, Brazil Prof. Enric Brillas, Facultat de Qu\u00edmica, Universitat de Barcelona, Spain Prof. Ver\u00f3nica Cort\u00e9s de Zea Bermudez, Escola de Ci\u00eancias da Vida e do Ambiente,Universidade de Tr\u00e1s- os-Montes e Alto Douro, Vila Real, Portugal Prof. Lauro Kubota, Instituto de Qu\u00edmica, Universidade Estadual de Campinas, Unicamp, SP, Brazil Prof. Ivano Gerardt Rolf Gutz, Instituto de Qu\u00edmica, Universidade de S\u00e3o Paulo, USP, SP, Brazil Prof. Jos\u00e9 Ant\u00f4nio Maia Rodrigues, Faculdade de Ci\u00eancias, Universidade do Porto, Portugal Prof. Bayardo Baptista Torres, Instituto de Qu\u00edmica, Universidade de S\u00e3o Paulo, USP, SP, Brazil Technical Staff Gustavo Marcelino de Souza Let\u00edcia Amanda Miguel Ecl\u00e9tica Qu\u00edmica Journal 2019 http://revista.iq.unesp.br/ojs/index.php/ecletica/index", "mime": "application/pdf"}, {"id": "ecletica-1105", "words": "5715", "extension": ".pdf", "flesch": "40", "author": "Bossu, Carla Ma\u00edra; Giglioti, Rodrigo; Oliveira, Marcia Cristina de Sena; de Oliveira, Pedro Vitoriano; Nogueira, Ana Rita de Araujo", "title": "Zinc fractionation in cow, goat, sheep and soybean milk samples using gel-electrophoresis and determination by electrothermal atomic absorption spectrometry (ETAAS)", "date": "2021", "keywords": "casein; cow; gel; kda; l-1; milk; protein; samples; total; uht; zinc", "summary": "Casein is the major component of milk protein. The Zn distribution results in protein bands were quantitative and could provide information about the relative Zn concentration in milk proteins.", "mime": "application/pdf"}, {"id": "ecletica-1109", "words": "7251", "extension": ".pdf", "flesch": "34", "author": "Rolisola, Ana Marta Cavinato Marchini; Meneg\u00e1rio, Amauri Ant\u00f4nio; Yabuki, Lauren Nozomi Marques; Polese, Luciana; Kiang, Chang Hung", "title": "Evaluation of the phenyl-bonded silica-based sorbent for pre-concentration of the booster antifouling biocides Zinc Pyrithione, Zineb and Ziram using solid-phase extraction technique and Inductively Coupled Plasma Mass Spectrometry", "date": "2020", "keywords": "antifouling; biocides; booster; estuarine; l-1; mass; sample; sorbent; water; zinc; zineb; ziram; zn(pt)2", "summary": "In order to determine the zinc concentrations in the estuarine water sample prior to fortification with booster antifouling biocides Zn(PT)2, Zineb and Ziram, the analysis were performed by Collision Cell Technology (CCT)-ICP-MS. Good recoveries of zinc pyrithione (85 \u00b1 2%), Zineb (89 \u00b1 5%) and Ziram (111 \u00b1 2%) in the elution step for booster antifouling biocides from the fortified estuarine water were obtained.", "mime": "application/pdf"}, {"id": "ecletica-111", "words": "2638", "extension": ".pdf", "flesch": "58", "author": "Pinheiro da Silva, Andr\u00e9; Almeida Gon\u00e7alves, Ana Carla; Britto, Marcelo Moreira", "title": "S\u00edntese e caracteriza\u00e7\u00e3o do 4,5-difenil-1,3,4-tiadiaz\u00f3lio-2- fenilamina e seus intermedi\u00e1rios", "date": "2015", "keywords": "com; como; compostos; dos; figura; foi; para; que; tio-1; tiossemicarbazida; uma", "summary": "Observam- se bandas de absor\u00e7\u00e3o de m\u00e9dia intensidade devido \u00e0 deforma\u00e7\u00e3o axial de liga\u00e7\u00e3o carbono- carbono de anel arom\u00e1tico em 1444, 1496 e 1596 cm -1 . Contudo, a forma\u00e7\u00e3o da 1,3-difeniltiossemicarbazida conduz a um menor rendimento no composto desejado, de modo que um ajuste nas condi\u00e7\u00f5es da rea\u00e7\u00e3o se faz necess\u00e1rio de modo a minimizar a forma\u00e7\u00e3o do composto indesejado.", "mime": "application/pdf"}, {"id": "ecletica-1110", "words": "5896", "extension": ".pdf", "flesch": "54", "author": "Okorie, Uduakobong Sunday; Ikot, Akpan Ndem; Amadi, Precious Ogbonda; Ngiangia, Alalibo Thompson; Ibekwe, Etebong Emmanuel", "title": "Approximate solutions of the Schr\u00f6dinger equation with energy-dependent screened Coulomb potential in D \u2013 dimensions", "date": "2020", "keywords": "coulomb; energy; equation; journal; physics; potential", "summary": "\ud835\udc4e = 1 4 + \ud835\udf002 + \ud835\udefd2 \ud835\udc4f = \ud835\udefe \u2212 2\ud835\udf002 \u2212 \ud835\udefd2 (15) \ud835\udc50 = \ud835\udf002 We can obtain the constant \ud835\udc58, by expressing the discriminant under the square root of Eq. 14 to be equal to zero. = 1 \u2212 \ud835\udc67 \ud835\udf0e(\ud835\udc67) = \ud835\udc67(1 \u2212 \ud835\udc67) \ufffd\u0303\ufffd(\ud835\udc67) = \u2212(\ud835\udf002 + \ud835\udefd2)\ud835\udc672 + (2\ud835\udf002 + \ud835\udefd2 \u2212 \ud835\udefe)\ud835\udc67 \u2212 \ud835\udf002 (13)", "mime": "application/pdf"}, {"id": "ecletica-1116", "words": "264", "extension": ".pdf", "flesch": "25", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial Board", "date": "2019", "keywords": "brazil; prof", "summary": "Sul, UFRGS, RS, Brazil Prof. Enric Brillas, Facultat de Qu\u00edmica, Universitat de Barcelona, Spain Prof. Ver\u00f3nica Cort\u00e9s de Zea Bermudez, Escola de Ci\u00eancias da Vida e do Ambiente,Universidade de Tr\u00e1s- os-Montes e Alto Douro, Vila Real, Portugal Prof. Lauro Kubota, Instituto de Qu\u00edmica, Universidade Estadual de Campinas, Unicamp, SP, Brazil Prof. Ivano Gerardt Rolf Gutz, Instituto de Qu\u00edmica, Universidade de S\u00e3o Paulo, USP, SP, Brazil Prof. Jos\u00e9 Ant\u00f4nio Maia Rodrigues, Faculdade de Ci\u00eancias, Universidade do Porto, Portugal Prof. Bayardo Baptista Torres, Instituto de Qu\u00edmica, Universidade de S\u00e3o Paulo, USP, SP, Brazil Technical Staff Gustavo Marcelino de Souza Let\u00edcia Amanda Miguel Ecl\u00e9tica Qu\u00edmica Journal 2019 http://revista.iq.unesp.br/ojs/index.php/ecletica/index", "mime": "application/pdf"}, {"id": "ecletica-1117", "words": "368", "extension": ".pdf", "flesch": "35", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial", "date": "2019", "keywords": "meeting; university", "summary": "Advances in the characterization of more active nanomaterials were presented by Prof. Teko Napporn from University of Poitiers, France \u201cGold Nanospheres in electrocatalysis: surface interaction with glucose\u201d and Dr. Fabio Henrique Barros Lima (IQSC/USP) Indeed Prof. Mehmet A. Otturan, from University of Paris-EST, France presented \u201cThe use of new photoactive materials for treatment of organic pollutants\u201d; continuing on this theme Prof. Romeu Rocha Filho (UFSCar/SP) presented the main actions to be taken in the construction of electrochemical reactors, presenting the plenary lecture \u201cHurdles to cross to make electrochemical oxidation a sustainable technology\u201d.", "mime": "application/pdf"}, {"id": "ecletica-1119", "words": "2194", "extension": ".pdf", "flesch": "50", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Author guidelines", "date": "2019", "keywords": "authors; eclet; letter; manuscript; quim", "summary": "| Vol. 44 | special issue | 2019 | Instructions for Authors Preparation of manuscripts \u2022 Only manuscripts in English will be accepted. \u2022 Figures, schemes, and photographs already published by the same or different authors in other publications may be reproduced in manuscripts of Eclet.", "mime": "application/pdf"}, {"id": "ecletica-112", "words": "4467", "extension": ".pdf", "flesch": "66", "author": "Filho, Diogenes; de Melo Filho, Antonio Alves; Duarte, Ednalva", "title": "O c\u00e1lculo anal\u00edtico e estimativo do volume molar do g\u00e1s de van der Waals di\u00f3xido de carbono a 500 K e 100 atm, atrav\u00e9s do m\u00e9todo de aproxima\u00e7\u00e3o linear Newton-Raphson: um coment\u00e1rio sobre o uso de Scilab e Statistica em c\u00e1lculos de f\u00edsico-qu\u00edmica e sobre a linguagem computacional", "date": "2015", "keywords": "aproxima\u00e7\u00e3o; com; c\u00e1lculo; der; equa\u00e7\u00e3o; g\u00e1s; ideal; molar; m\u00e9todo; newton; para; que; qu\u00edmica; raphson; resolu\u00e7\u00e3o; sobre; s\u00e3o; uma; van; volume; waals", "summary": "A id\u00e9ia central em que se baseia o m\u00e9todo de Newton-Raphson \u00e9 a de que a reta tangente fica pr\u00f3xima da curva, assim, o intercepto x, x2, est\u00e1 pr\u00f3ximo do intercepto x da curva, isto \u00e9, de uma raiz da equa\u00e7\u00e3o. 158 Corroborando para a afirma\u00e7\u00e3o citada, Pilla (2006) conclui que este tipo de g\u00e1s, nessas condi\u00e7\u00f5es, s\u00e3o chamados de \u201cgases ideais\u201d, compreendendo a press\u00e3o tendendo a zero e a temperatura do g\u00e1s em escala termodin\u00e2mica.", "mime": "application/pdf"}, {"id": "ecletica-1120", "words": "127", "extension": ".pdf", "flesch": "37", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Summary", "date": "2019", "keywords": "summary", "summary": "46 Paula Gon\u00e7alves Fenga, Franciane Pinheiro Cardoso, Sofia Nikolaou, Adalgisa Rodrigues de Andrade http://revista.iq.unesp.br/ojs/index.php/ecletica/index 39 Renata Oberherr, Renata Fioravante Tassinary, Let\u00edcia Vognach, Simone St\u00fclp Membraneless ethanol,O2 enzymatic biofuel cell based on laccase and ADH/NAD+ bioelectrodes ........", "mime": "application/pdf"}, {"id": "ecletica-1121", "words": "4559", "extension": ".pdf", "flesch": "45", "author": "Gon\u00e7alves, Mateus Aquino; Ramalho, Teodorico Castro", "title": "Relaxation parameters of water molecules coordinated with Gd(III) complexes and hybrid materials based on \u03b4-FeOOH (100) nanoparticles: A theoretical study of hyperfine inter-actions for CAs in MRI", "date": "2020", "keywords": "17o; aiso; a\ud835\udc56\ud835\udc60\ud835\udc5c; calculations; complexes; contrast; mhz; values; water", "summary": "[14] Frisch, M. J., Trucks, G. W., Schlegel, H. B., Scuseria, G. E., Robb, M. A., Cheeseman, J. R., Scalmani, G., Barone, V., Mennucci, B., Petersson, G. A., Nakatsuji, H., Caricato, M., Li, X., Hratchian, H. P., Izmaylov, A. F., Bloino, J., Zheng, G., Sonnenberg, J. L., Hada, M., Ehara, M., Toyota, K., Fukuda, R., Hasegawa, J., Ishida, M., Nakajima, T., Honda, Y., Kitao, O., Nakai, H., Vreven, T., Montgomery, J. A., https://doi.org/10.26850/1678-4618eqj.v45.4.2020.p12-20 https://doi.org/10.1002/9781118503652 https://doi.org/10.1002/9781118503652 https://doi.org/10.1002/9781118503652 https://doi.org/10.1002/9781118503652 https://doi.org/10.1021/nn302393e https://doi.org/10.1021/nn302393e https://doi.org/10.1021/nn302393e https://doi.org/10.1021/nn302393e https://doi.org/10.1021/nn302393e https://doi.org/10.1002/ejic.201101164 https://doi.org/10.1002/ejic.201101164 https://doi.org/10.1002/ejic.201101164 https://doi.org/10.1002/ejic.201101164 https://doi.org/10.1002/ejic.201101164 https://doi.org/10.1002/ejic.201101164 https://doi.org/10.1002/cphc.201200417 https://doi.org/10.1002/cphc.201200417 https://doi.org/10.1002/cphc.201200417 https://doi.org/10.1002/cphc.201200417 https://doi.org/10.1002/cphc.201200417 https://doi.org/10.1002/cphc.201200417 https://doi.org/10.1021/cr980440x https://doi.org/10.1021/cr980440x https://doi.org/10.1021/cr980440x https://doi.org/10.1021/cr980440x https://doi.org/10.1021/cr980440x https://doi.org/10.1002/anie.200800212 https://doi.org/10.1002/anie.200800212 https://doi.org/10.1002/anie.200800212 https://doi.org/10.1002/anie.200800212 https://doi.org/10.1002/anie.200800212 https://doi.org/10.1002/anie.200800212 https://doi.org/10.1016/j.jmmm.2009.02.081 https://doi.org/10.1016/j.jmmm.2009.02.081 https://doi.org/10.1016/j.jmmm.2009.02.081 https://doi.org/10.1016/j.jmmm.2009.02.081 https://doi.org/10.1016/j.jmmm.2009.02.081 https://doi.org/10.1016/j.jmmm.2009.02.081 https://doi.org/10.1016/j.jmmm.2009.02.081 https://doi.org/10.1016/j.jmmm.2009.02.081 https://doi.org/10.1002/mrm.22557 https://doi.org/10.1002/mrm.22557 https://doi.org/10.1002/mrm.22557 https://doi.org/10.1002/mrm.22557 https://doi.org/10.1002/mrm.22557 https://doi.org/10.1002/mrm.22557 https://doi.org/10.1002/mrm.22557 https://doi.org/10.1016/j.matlet.2013.01.134 https://doi.org/10.1016/j.matlet.2013.01.134 https://doi.org/10.1016/j.matlet.2013.01.134 https://doi.org/10.1016/j.matlet.2013.01.134 https://doi.org/10.1016/j.matlet.2013.01.134 https://doi.org/10.1053/j.ajkd.2005.10.024 https://doi.org/10.1053/j.ajkd.2005.10.024 https://doi.org/10.1053/j.ajkd.2005.10.024 https://doi.org/10.1053/j.ajkd.2005.10.024 https://doi.org/10.1053/j.ajkd.2005.10.024 https://doi.org/10.1097/RLI.0000000000000295 https://doi.org/10.1097/RLI.0000000000000295 https://doi.org/10.1097/RLI.0000000000000295 https://doi.org/10.1097/RLI.0000000000000295 https://doi.org/10.1097/RLI.0000000000000295 https://doi.org/10.1097/RLI.0000000000000295 https://doi.org/10.1148/radiology.171.2.2704827 https://doi.org/10.1148/radiology.171.2.2704827 https://doi.org/10.1148/radiology.171.2.2704827 Original article 20 Ecl\u00e9tica Qu\u00edmica Journal, vol. 45, n. 4, 2020, 12-20 ISSN: 1678-4618 DOI: 10.26850/1678-4618eqj.v45.4.2020.p12-20 Peralta, J. E., Ogliaro, F., Bearpark, M., Heyd, J. J., Brothers, E., Kudin, K. N., Staroverov, V. N., Kobayashi, R., Normand, J., Raghavachari, K., Rendell, A., Burant, J. C., Iyengar, S. S., Tomasi, J., Cossi, M., Rega, N., Millam, J. M., Klene, M., Knox, J. E., Cross, J. B., Bakken, V., Adamo, C., Jaramillo, J., Goperts, R., Stratmann, R. E., Yazyev, O., Austin, A. J., Cammi, R., Pomelli, C., Ochterski, J. W., Martin, R. L., Morokuma, K., Zakrzewski, V. G., Voth, G. A., Salvador, P., Dannenberg, J. J., Dapprich, S., Daniels, A. D., Farkas, O., Foresman, J. B., Ortiz, J. V., Cioslowski, J., Fox, D. J., Gaussian 09, Revision B.01. [15] Stewart, J. J. P., Optimization of parameters for semiempirical methods V: Modification of NDDO approximations and application to 70 elements, Journal of Molecular Modeling 13 (12) (2007) 1173-1213. https://doi.org/10.1007/s00894-007-0233-4.", "mime": "application/pdf"}, {"id": "ecletica-1122", "words": "4155", "extension": ".pdf", "flesch": "64", "author": "dos Santos, Adriano; Ribeiro, Willian Campos; Bueno, Paulo Roberto", "title": "Estudo in situ da funcionaliza\u00e7\u00e3o de superf\u00edcie de ouro para imobiliza\u00e7\u00e3o de prote\u00edna", "date": "2016", "keywords": "adsor\u00e7\u00e3o; com; como; cristal; forma\u00e7\u00e3o; gelatina; monocamada; ouro; para; por; processo; que; qu\u00edmica; sam; sobre; solu\u00e7\u00e3o; superf\u00edcie; tiol; uma", "summary": "Processo de adsor\u00e7\u00e3o de gelatina 0,1mg/mL em solu\u00e7\u00e3o tamp\u00e3o Tris-HCl (pH 8,0) sobre superf\u00edcie de ouro funcionaliza com a SAM. Curva D-f para o processo de adsor\u00e7\u00e3o de gelatina sobre a superf\u00edcie da SAM mista.", "mime": "application/pdf"}, {"id": "ecletica-1124", "words": "7353", "extension": ".pdf", "flesch": "40", "author": "Sauban Ghani, Syed", "title": "A comprehensive review of database resources in chemistry", "date": "2020", "keywords": "cas; chemical; chemistry; citation; database; information; journal; literature; research; review; science; scopus; search; user; web", "summary": "Chemical databases have now become a powerful tool in drug discovery. There are many considerations that are involved in the construction and searching of chemical databases.", "mime": "application/pdf"}, {"id": "ecletica-1126", "words": "4680", "extension": ".pdf", "flesch": "32", "author": "Pasha, Chand", "title": "Determination of paracetamol in pharmaceutical samples by spectrophotometric method", "date": "2020", "keywords": "2,4; determination; dinitrobenzene; hydrazine; journal; method; ml-1; paracetamol; pharmaceutical", "summary": "[22] Morelli, B., Spectrophotometric determination of paracetamol in pure form and in tablets, Journal of Pharmaceutical and Biomedical Analysis 7 (5) (1989) 577-584. [25] Xu, C., Li, B., Spectrophotometric determination of paracetamol with microwave assisted alkaline hydrolysis, Spectrochimica Acta Part A:", "mime": "application/pdf"}, {"id": "ecletica-1129", "words": "264", "extension": ".pdf", "flesch": "26", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial Board", "date": "2020", "keywords": "brazil; prof", "summary": "Sul, UFRGS, RS, Brazil Prof. Enric Brillas, Facultat de Qu\u00edmica, Universitat de Barcelona, Spain Prof. Ver\u00f3nica Cort\u00e9s de Zea Bermudez, Escola de Ci\u00eancias da Vida e do Ambiente,Universidade de Tr\u00e1s- os-Montes e Alto Douro, Vila Real, Portugal Prof. Lauro Kubota, Instituto de Qu\u00edmica, Universidade Estadual de Campinas, Unicamp, SP, Brazil Prof. Ivano Gerardt Rolf Gutz, Instituto de Qu\u00edmica, Universidade de S\u00e3o Paulo, USP, SP, Brazil Prof. Jos\u00e9 Ant\u00f4nio Maia Rodrigues, Faculdade de Ci\u00eancias, Universidade do Porto, Portugal Prof. Bayardo Baptista Torres, Instituto de Qu\u00edmica, Universidade de S\u00e3o Paulo, USP, SP, Brazil Technical Staff Gustavo Marcelino de Souza Let\u00edcia Amanda Miguel Ecl\u00e9tica Qu\u00edmica Journal 2020 http://revista.iq.unesp.br/ojs/index.php/ecletica/index", "mime": "application/pdf"}, {"id": "ecletica-113", "words": "3999", "extension": ".pdf", "flesch": "59", "author": "Macedo Reis Ara\u00fajo, Viviane; von R\u00fcckert, Gabriela; Menezes, Maria \u00c2ngela de Barros Correia; Lopes Santos, Humberto; Rocha de Souza Drumond, Adriana", "title": "Concentra\u00e7\u00e3o de material particulado e composi\u00e7\u00e3o elementar no aerossol atmosf\u00e9rico de uma regi\u00e3o de produ\u00e7\u00e3o do a\u00e7o no estado de Minas Gerais \u2013 Brasil", "date": "2015", "keywords": "com; concentra\u00e7\u00e3o; concentra\u00e7\u00f5es; das; elementos; entre; fab; fontes; foram; ipa; mp10; nos; para; part\u00edculas; por; pts; qualidade; que; ser", "summary": "Os elementos t\u00f3xicos s\u00e3o encontrados geralmente em baixas concentra\u00e7\u00f5es devido \u00e0 mobilidade biogeoqu\u00edmica natural, atrav\u00e9s das fontes de emiss\u00e3o de poeiras fugitivas n\u00e3o canalizadas de origem natural como a influ\u00eancia e\u00f3lica, contudo, as atividades antr\u00f3picas podem aumentar significativamente a concentra\u00e7\u00e3o destes elementos pela emiss\u00e3o de poeira canalizada ou n\u00e3o Ao se confrontar as concentra\u00e7\u00f5es de elementos com as concentra\u00e7\u00f5es de MP10, foram encontradas fortes correla\u00e7\u00f5es em FAB (r > 0,90) (TAB. 05)", "mime": "application/pdf"}, {"id": "ecletica-1130", "words": "382", "extension": ".pdf", "flesch": "31", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial", "date": "2020", "keywords": "grains; mineral", "summary": "The challenge of estimating physicochemical properties of dry grains includes variations in shape, texture, and size and similarity of grains colors to the naked eye. The first article combines the color parameters of digital images with artificial neural networks (ANN) to predict the bulk density in leguminous grains of different traits.", "mime": "application/pdf"}, {"id": "ecletica-1131", "words": "2194", "extension": ".pdf", "flesch": "50", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Author guidelines", "date": "2020", "keywords": "authors; eclet; letter; manuscript; quim", "summary": "| Vol. 45 | n. 1 | 2020 | Instructions for Authors Preparation of manuscripts \u2022 Only manuscripts in English will be accepted. \u2022 Figures, schemes, and photographs already published by the same or different authors in other publications may be reproduced in manuscripts of Eclet.", "mime": "application/pdf"}, {"id": "ecletica-1132", "words": "182", "extension": ".pdf", "flesch": "16", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Summary", "date": "2020", "keywords": "summary", "summary": "56 Aline Amara Madeira Bound state solutions of the Schr\u00f6dinger equation with energy-dependent molecular Kratzer potential via asymptotic iteration method ................................................................................................................. 65 Akpan Ndem Ikot, Uduakobong Okorie, Alalibo Thompson Ngiangia, Clement Atachegbe Onate, Collins Okon Edet, Ita Okon Akpan, Precious Ogbonda Amadi http://revista.iq.unesp.br/ojs/index.php/ecletica/index 47 Gislane dos Santos Ribeiro, Amanda de Assis Carneiro, Diegue Henrique Nascimento Martins, Luiz Alberto Simeoni, D\u00e2maris Silveira, P\u00e9rola Oliveira Magalh\u00e3es, Yris Maria Fonseca-Bazzo Grain-size mineral analysis of verdete rock coarse and fine aggregates and adjustment to two granulometric distribution models .............................................................................................................", "mime": "application/pdf"}, {"id": "ecletica-1134", "words": "3555", "extension": ".pdf", "flesch": "33", "author": "Gonzaga, Karen; Mierzwa, Jose Carlos", "title": "Comparison between two Polyethersulfone concentrations in hollow fiber ultrafiltration membranes. Is it worth to use more polymer?", "date": "2021", "keywords": "fiber; journal; membranes; pes; polyethersulfone; polymer; results; water", "summary": "Hollow fiber membranes are used in several areas that demand a separation process, such as pharmaceutical industry, food industry, water and wastewater treatment plants and the petroleum sector4,5. This polymer and the conditions for the solution spinning determine the morphology and properties of hollow fiber membrane, such as selectivity7,10.", "mime": "application/pdf"}, {"id": "ecletica-1138", "words": "4140", "extension": ".pdf", "flesch": "53", "author": "Luiz, Jose Marques; Nunes, Ronaldo Spezia", "title": "Synthesis, characterization, and thermal behavior of amidosulfonates of transition metals in air and nitrogen atmosphere", "date": "2020", "keywords": "acid; air; dta; formation; metal", "summary": "The anhydrous compound remains stable between 219 oC and 340 oC (synthetic air) and between 197 oC and 333 oC (N2). Although no mass change was observed in this temperature range, there is an exothermic peak at 289 oC (synthetic air and N2) which may be associated with a crystallization process.", "mime": "application/pdf"}, {"id": "ecletica-114", "words": "5291", "extension": ".pdf", "flesch": "57", "author": "Barcellos, Ivonete Oliveira; de Lima, Thyego; Blosfeld, Ana Maria", "title": "Determina\u00e7\u00e3o do n\u00famero de ciclos de reuso do adsorvente cinza de casca de arroz no tratamento de um banho residual de tingimento t\u00eaxtil", "date": "2015", "keywords": "adsorvente; adsor\u00e7\u00e3o; amostra; arroz; banho; casca; ciclo; cinzas; com; como; cor; corantes; dos; efici\u00eancia; foi; foram; para; por; que; qu\u00edmica; residual; resultados; tempo; tingimento; tratamento; t\u00eaxtil; uma", "summary": "Ahmad e Hameed [5] apresentaram resultados de remo\u00e7\u00e3o m\u00e1xima de DQO de 75,2% em seus experimentos de tratamento de efluentes t\u00eaxteis reais atrav\u00e9s de processo de adsor\u00e7\u00e3o com carv\u00e3o ativado de restos de bambu. Determina\u00e7\u00e3o da efici\u00eancia do adsorvente em diferentes ciclos de tratamento Atrav\u00e9s de um espectrofot\u00f4metro UV \u2013 vis\u00edvel (Shimadzu \u2013 1601 PC) determinou-se o comprimento de onda de m\u00e1xima absor\u00e7\u00e3o (\u03bbm\u00e1x) do banho de tingimento para viabilizar o monitoramento da varia\u00e7\u00e3o da absorb\u00e2ncia da amostra em fun\u00e7\u00e3o do tempo.", "mime": "application/pdf"}, {"id": "ecletica-1144", "words": "5900", "extension": ".pdf", "flesch": "36", "author": "Gonzales-Condori, Elvis Gilmar; Alvarez-Gonzales, Rosa; Ram\u00edrez-Revilla, Stamber Alvaro", "title": "Ultrasound-assisted extraction for the determination of \u03b1-linolenic and linoleic acid in vegetable oils by high performance liquid chromatography", "date": "2021", "keywords": "acid; ala; concentration; determination; fatty; hplc; l-1; method; oil; oils; ultrasound; vegetable", "summary": "Fatty acids can be unsaturated and sub-classified as monounsaturated fatty acids (MUFA) and polyunsaturated fatty acids (PUFA)1. [3] Katdare, A., Thakkar, S., Dhepale, S., Khunt, D., Misra, M., Fatty acids as essential adjuvants to treat various ailments and their role in drug delivery: A review, Nutrition 65 (2019) 138-157. https://doi.org/10.1016/j.nut.2019.03.008.", "mime": "application/pdf"}, {"id": "ecletica-1148", "words": "4431", "extension": ".pdf", "flesch": "33", "author": "Akintelu, Sunday Adewale; Folorunso, Aderonke Similoluwa; Oyebamiji, Abel Kolawole", "title": "Phytochemical and antibacterial investigation of Moringa oleifera seed: experimental and computational approaches", "date": "2021", "keywords": "bacteria; compounds; extract; inhibition; journal; moringa; moringa oleifera; oleifera; oleifera seed; pneumonia; seed", "summary": "The phytochemical and antibacterial activities of Moringa oleifera seed extract against both Gram-positive and Gram- negative bacteria were conducted using standard methods. 2.3.4 Determination of saponins The formation of bubbles, which persisted for 20 min when Moringa oleifera seed extract dissolved in distilled water was vigorously shake, confirms the presence of saponins.", "mime": "application/pdf"}, {"id": "ecletica-115", "words": "7780", "extension": ".pdf", "flesch": "58", "author": "de Moraes, Dayane Cristina; de Paula, Daniel", "title": "Processamento do \u00f3leo de girassol como estrat\u00e9gia para a produ\u00e7\u00e3o de cosm\u00e9ticos org\u00e2nicos", "date": "2015", "keywords": "acordo; base; brasil; capacidade; com; como; cosm\u00e9ticos; dos; ecl\u00e9tica; espuma; foi; formula\u00e7\u00f5es; girassol; graxos; koh; mais; naoh; n\u00e3o; org\u00e2nicos; para; por; processo; produtos; produ\u00e7\u00e3o; que; qu\u00edmica; rea\u00e7\u00e3o; saponifica\u00e7\u00e3o; ser; sint\u00e9ticos; solu\u00e7\u00e3o; sua; s\u00e3o; tensoativos; uma; \u00e1cido; \u00e1gua; \u00f3leo; \u00f3leo de", "summary": "[43], mol\u00e9culas tensoativas compostas por cadeias C12 saturadas apresentam permeabilidade cut\u00e2nea m\u00e1xima e s\u00e3o capazes de catalisar o influxo de \u00e1gua (resultando irrita\u00e7\u00e3o mais severa), em compara\u00e7\u00e3o a tensoativos de cadeias mais curtas (C8-C10) ou mais longas (C14, C16, ou C18). Dessa forma, objetivou-se neste trabalho obter tensoativos org\u00e2nicos a partir do desenvolvimento de um processo de saponifica\u00e7\u00e3o do \u00f3leo de girassol com aplicabilidade em larga escala.", "mime": "application/pdf"}, {"id": "ecletica-1152", "words": "264", "extension": ".pdf", "flesch": "-18", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial board", "date": "2020", "keywords": "brazil; prof", "summary": "Prof. Arnaldo Alves Cardoso, Institute of Chemistry Unesp Araraquara, Brazil Prof. Antonio Eduardo Mauro, Institute of Chemistry Unesp Araraquara, Brazil Prof. Horacio Heinzen, Faculty of Chemistry UdelaR, Montevideo, Uruguay Prof. Maysa Furlan, Institute of Chemistry Unesp Araraquara, Brazil Prof. Maria C\u00e9lia Bertolini, Institute of Chemistry Unesp Araraquara, Brazil Prof. Paulo Clairmont Feitosa de Lima Gomes, Institute of Chemistry, Unesp Araraquara, Brazil Editorial Board Prof. Jairton Dupont, Instituto de Qu\u00edmica, Universidade Federal do Rio Grande do Sul, UFRGS, RS, Brazil Prof. Enric Brillas, Facultat de Qu\u00edmica, Universitat de Barcelona, Spain Prof. Ver\u00f3nica Cort\u00e9s de Zea Bermudez, Escola de Ci\u00eancias da Vida e do Ambiente,Universidade de Tr\u00e1s- os-Montes e Alto Douro, Vila Real, Portugal Prof. Lauro Kubota, Instituto de Qu\u00edmica, Universidade Estadual de Campinas, Unicamp, SP, Brazil Prof. Ivano Gerardt Rolf Gutz, Instituto de Qu\u00edmica, Universidade de S\u00e3o Paulo, USP, SP, Brazil Prof. Massuo Jorge Kato, Instituto de Qu\u00edmica, Universidade de S\u00e3o Paulo, USP, SP, Brazil Prof. Francisco de Assis Leone, Faculdade de Filosofia, Ci\u00eancias e Letras, Universidade de S\u00e3o Paulo, Ribeir\u00e3o Preto, USP-RP, SP, Brazil Prof. Roberto Santana da Silva, Faculdade de Ci\u00eancias Farmac\u00eauticas, Universidade de S\u00e3o Paulo, Ribeir\u00e3o Preto, USP-RP, SP, Brazil Prof. Jos\u00e9 Ant\u00f4nio Maia Rodrigues, Faculdade de Ci\u00eancias, Universidade do Porto, Portugal Prof. Bayardo Baptista Torres, Instituto de Qu\u00edmica, Universidade de S\u00e3o Paulo, USP, SP, Brazil Technical Staff Gustavo Marcelino de Souza Let\u00edcia Amanda Miguel Ecl\u00e9tica Qu\u00edmica Journal 2020 http://revista.iq.unesp.br/ojs/index.php/ecletica/index", "mime": "application/pdf"}, {"id": "ecletica-1153", "words": "351", "extension": ".pdf", "flesch": "29", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial", "date": "2020", "keywords": "issue", "summary": "As a final note, the editor announced with great satisfaction at the beginning of this issue the databases in which the readers can find the articles published in Ecl\u00e9tica Qu\u00edmica Journal. The modified cellulose showed a satisfactory capacity to adsorb small amounts of viscous oils, like residual oil.", "mime": "application/pdf"}, {"id": "ecletica-1154", "words": "40", "extension": ".pdf", "flesch": "-99", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Databases", "date": "2020", "keywords": "databases", "summary": "Databases iq.unesp.br/ecletica Citation databases: Ecletica Quim. http://revista.iq.unesp.br/ojs/index.php/ecletica/index http://bit.do/EQJ_CAS https://www.scopus.com/sourceid/23521 https://doaj.org/toc/1678-4618 http://www.speciation.net/Database/Journals/Ecletica-Quimica-Journal-;i1882 https://scholar.google.com.br/citations?hl=pt-BR&user=-J-pPugAAAAJ&authuser=1 https://www.redib.org/recursos/Record/oai_revista5161-ecl%C3%A9tica-qu%C3%ADmica http://portal.amelica.org/BusquedaRevistaPorNombre.oa?pal=Ecl%C3%A9tica%20Qu%C3%ADmica https://www.redalyc.org/revista.oa?id=429 https://www.latindex.org/latindex/ficha?folio=16477 https://biblat.unam.mx/pt/revista/ecletica-quimica https://inis.iaea.org/search/search.aspx?orig_q=journal:%22ISSN%200100-4670%22", "mime": "application/pdf"}, {"id": "ecletica-1155", "words": "2194", "extension": ".pdf", "flesch": "49", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Author guidelines", "date": "2020", "keywords": "authors; eclet; letter; manuscript; quim", "summary": "Instructions for Authors Preparation of manuscripts | Vol. 45 The corresponding author should submit the manuscript online at http://revista.iq.unesp.br/ojs/index.php/ecletica/author \u2022 Manuscripts must be sent in editable files as *.doc, *.docx or *.odt.", "mime": "application/pdf"}, {"id": "ecletica-116", "words": "4497", "extension": ".pdf", "flesch": "59", "author": "de Oliveira, Marcelo Antonio; Belinelo, Valdenir Jos\u00e9; Sousa Nolasco, Lygia Polyanna; Dutra Lacerda, Caroline; Faz\u00f4lo Bonella, Andr\u00e9; Bruno, Cristina Helena", "title": "Estudos da qualidade de comprimidos e c\u00e1psulas contendo aminofilina", "date": "2015", "keywords": "aminofilina; amostra; com; como; comprimido; dissolu\u00e7\u00e3o; etilenodiamina; foi; medicamento; para; perfil; que; qu\u00edmica; refer\u00eancia; ser; tempo; teofilina", "summary": "[9] para identifica\u00e7\u00e3o; determina\u00e7\u00e3o de peso; dureza; friabilidade; desintegra\u00e7\u00e3o; uniformidade de doses unit\u00e1rias; dissolu\u00e7\u00e3o; e doseamento de teofilina e de etilenodiamina. Foi transferido quantidade de p\u00f3 equivalente a 0,3 g de aminofilina para erlenmeyer de 150 mL, dispersados em 20 mL de \u00e1gua e aquecidos a 50 \u00b0C por 30 minutos, agitando ocasionalmente.", "mime": "application/pdf"}, {"id": "ecletica-1161", "words": "7398", "extension": ".pdf", "flesch": "34", "author": "Cais, Thayn\u00e1 Aparecida; Proc\u00f3pio, Alley Michael da Silva; Kondo, M\u00e1rcia Matiko; Silva, Fl\u00e1vio Soares; de Andrade, Sandro Jos\u00e9", "title": "Analytical procedures for the determination of estrogen compounds in a surface water reservoir in Southeast Brazil", "date": "2021", "keywords": "concentrations; ee2; estrogens; furnas; journal; l-1; method; phase; recovery; samples; sampling; values; water", "summary": "In this study, an analytical procedure was developed for the determination of estrogen compounds in water samples from Furnas reservoir, Alfenas - Minas Gerais (Brazil) http://revista.iq.unesp.br/ojs/index.php/ecletica/index https://doi.org/10.26850/1678-4618eqj.v46.1.2021.p41-51 mailto:sandrojosedeandrade2020@gmail.com https://orcid.org/0000-0001-9072-3824 https://orcid.org/0000-0001-8700-8782 https://orcid.org/0000-0001-8782-6056 https://orcid.org/0000-0002-0498-9771 https://orcid.org/0000-0002-7520-840X Original article iq.unesp.br/ecletica 42 Ecl\u00e9tica Qu\u00edmica Journal, vol. 46, n. 1, 2021, 41-51 ISSN: 1678-4618 DOI: 10.26850/1678-4618eqj.v46.1.2021.p41-51 1. Sampling date pH Dissolved oxygen / mg L-1 Temperature / \u00b0C Conductivity / \u00b5S cm-1 09-03-2016 6.16 \u2013 7.11 5.07 \u2013 5.65 27.96 \u2013 28.31 20 \u2013 27 07-04-2016 7.61 \u2013 8.36 6.99 \u2013 8.14 28.23 \u2013 29.21 30 \u2013 33 28-04-2016 6.42 \u2013 6.77 3.44 \u2013 4.60 26.63 \u2013 27.03 14 \u2013 22 19-05-2016 6.29 \u2013 6.44 2.77 \u2013 3.75 23.98 \u2013 24.25 28 \u2013 39 3.3.2 SPE and chromatographic analysis of samples collected at Furnas Lake The SPE of water samples were carried out at a flow rate of 3 mL min-1, proceeding was as follows: adjusting the pH of the sample to 8, conditioning the cartridge with 5.00 mL of methanol and passing 1 L of the sample through the cartridge.", "mime": "application/pdf"}, {"id": "ecletica-1166", "words": "4992", "extension": ".pdf", "flesch": "36", "author": "Goulart, Bianca Veloso; Fagundes, Patr\u00edcia Maralyne Lopes Lisboa; Peres, Amanda Rosa; da Costa, Alessandra Carolina; Fonseca, Ana L\u00facia; Kondo, M\u00e1rcia Matiko; de Andrade, Sandro Jos\u00e9", "title": "Heterogeneous photodegradation of bisphenol A and ecotoxicological evaluation post treatment", "date": "2021", "keywords": "bpa; concentration; irradiation; l-1; min; removal; samples; tio2; water", "summary": "When 5.0 mg L-1 of the catalyst was used, BPA removal exceeded 98% after 1 h of reaction. Use of TiO2 at a concentration of 2.5 mg L-1 resulted in BPA removals of up to 80 and 88% after 1 h of irradiation at pH 5.3 and 8.5, respectively.", "mime": "application/pdf"}, {"id": "ecletica-117", "words": "8900", "extension": ".pdf", "flesch": "58", "author": "Bucci, Maria Magaly Heidenreich Silva ; de Oliveira, Luiz Fernando Cappa", "title": "A interfer\u00eancia das atividades antr\u00f3picas na qualidade da \u00e1gua em reservat\u00f3rio de abastecimento urbano. Estudo de caso: represa Dr. Jo\u00e3o Penido (Juiz de Fora, MG)", "date": "2014", "keywords": "aos; com; como; conama; cor; da represa; da \u00e1gua; das; dos; estado; este; foi; foram; juiz; maior; m\u00e9dia; nos; n\u00e3o; para; par\u00e2metros; per\u00edodo; ponto; por; pr1; pt1; pt2; qualidade; que; represa; reservat\u00f3rio; resultados; ser; s\u00e3o; tabela; tamb\u00e9m; turbidez; uma; valores; \u00e1gua", "summary": "CONCLUS\u00d5ES Diante de tudo o que foi exposto neste estudo, constatou-se que as formas de uso e ocupa\u00e7\u00e3o do solo na \u00e1rea da bacia da represa Dr. Jo\u00e3o Penido, n\u00e3o t\u00eam sido adequadas para que o manancial seja utilizado para abastecimento de \u00e1gua de Juiz de Fora. [10]. do reservat\u00f3rio e de dois principais tribut\u00e1rios (c\u00f3rrego da Grama e ribeir\u00e3o dos Burros), atrav\u00e9s de an\u00e1lises f\u00edsico-qu\u00edmicas e microbiol\u00f3gicas de amostras de \u00e1gua; verificar o atendimento dos par\u00e2metros analisados aos limites definidos pela Resolu\u00e7\u00e3o 357/05 do CONAMA", "mime": "application/pdf"}, {"id": "ecletica-1170", "words": "7076", "extension": ".pdf", "flesch": "34", "author": "\u00c2ngelo, Elis\u00e2ngela Andrade; da Cruz, Tain\u00e1 Michelle; Pattaro J\u00fanior, Jos\u00e9 Renato; Zanzarin, Daniele Maria; Rodrigues, Franciele Abigail Vilugron; Pilau, Eduardo Jorge; Kioshima, \u00c9rika Seki; Fernandez, Maria Aparecida; Seixas, Flavio Augusto Vicente", "title": "Purification and characterization of embryo-specific soy urease (Glycine max) and its antifungal potential against Paracoccidioides brasiliensis", "date": "2021", "keywords": "activity; brasiliensis; concentration; enzyme; gmaxurease; journal; mmol; plant; protein; purification; soy; specific; urease", "summary": "[41] Desjardins, C. A., Champion, M. D., Holder, J. W., Muszewska, A., Goldberg, J., Bail\u00e3o, A. M., Brigido M. M., Ferreira, M. E. S., Garcia, A. M., Grynberg, M., Gujja, S., Heiman, D. I., Henn, M. R., Kodira, C. D., Le\u00f3n-Narv\u00e1ez, H., Longo, L. V. G., Ma, L.-J., Malavazi, I., Matsuo, A. L., Morais, F. V., Pereira, M., Rodrigu\u00e9z-Brito, S., Sakthikumar, S., Salem-Izacc, S. M., Sykes, S. M., Teixeira, M. M., Vallejo, M. C., Walter, M. E. M. T., Yandava, C., Young, S., Zeng, Q., Zucker, J., Felipe, M. S., Goldman, G. H., Haas, B. J., McEwan, J. G., Nino-Vega, G., Puccia, R., San-Blas, G., Soares, C. M. A., Birres, B. W., Cuomo, C. A., Comparative Genomic Analysis of Human Fungal Pathogens Causing Paracoccidioidomycosis, PLoS Genetics 7 (2011) e1002345. [23] Bradford, M. M., A rapid and sensitive method for the quantitation of microgram quantities of protein utilizing the http://revista.iq.unesp.br/ojs/index.php/ecletica/index https://doi.org/10.26850/1678-4618eqj.v46.1SI.2021.p41-52 https://doi.org/10.1016/j.molcatb.2009.01.003 https://doi.org/10.1016/j.molcatb.2009.01.003 https://doi.org/10.1016/j.molcatb.2009.01.003 https://doi.org/10.1016/j.molcatb.2009.01.003 https://doi.org/10.1016/j.plaphy.2016.01.023 https://doi.org/10.1016/j.plaphy.2016.01.023 https://doi.org/10.1016/j.plaphy.2016.01.023 https://doi.org/10.1016/j.plaphy.2016.01.023 https://doi.org/10.1016/j.plaphy.2016.01.023 https://doi.org/10.1016/j.plaphy.2016.01.023 https://doi.org/10.1016/j.plantsci.2012.10.010 https://doi.org/10.1016/j.plantsci.2012.10.010 https://doi.org/10.1016/j.plantsci.2012.10.010 https://doi.org/10.1016/j.plantsci.2012.10.010 https://doi.org/10.1042/0264-6021:3600217 https://doi.org/10.1042/0264-6021:3600217 https://doi.org/10.1042/0264-6021:3600217 https://doi.org/10.1042/0264-6021:3600217 https://doi.org/10.1042/0264-6021:3600217 https://doi.org/10.1042/0264-6021:3600217 https://doi.org/10.1042/0264-6021:3600217 https://doi.org/10.1016/j.peptides.2012.08.010 https://doi.org/10.1016/j.peptides.2012.08.010 https://doi.org/10.1016/j.peptides.2012.08.010 https://doi.org/10.1016/j.peptides.2012.08.010 https://doi.org/10.1016/j.peptides.2012.08.010 https://doi.org/10.1016/j.peptides.2012.08.010 https://doi.org/10.1016/j.toxicon.2007.07.008 https://doi.org/10.1016/j.toxicon.2007.07.008 https://doi.org/10.1016/j.toxicon.2007.07.008 https://doi.org/10.1016/j.toxicon.2007.07.008 https://doi.org/10.1016/j.toxicon.2007.07.008 https://doi.org/10.1016/j.toxicon.2007.07.008 https://doi.org/10.1016/j.bbagen.2013.11.010 https://doi.org/10.1016/j.bbagen.2013.11.010 https://doi.org/10.1016/j.bbagen.2013.11.010 https://doi.org/10.1016/j.bbagen.2013.11.010 https://doi.org/10.1016/j.bbagen.2013.11.010 https://doi.org/10.1016/j.bbagen.2013.11.010 https://doi.org/10.1016/j.bbagen.2013.11.010 https://doi.org/10.1016/j.bbagen.2013.11.010 https://doi.org/10.1016/j.bbagen.2013.11.010 https://doi.org/10.1016/j.procbio.2016.12.003 https://doi.org/10.1016/j.procbio.2016.12.003 https://doi.org/10.1016/j.procbio.2016.12.003 https://doi.org/10.1016/j.procbio.2016.12.003 https://doi.org/10.1016/j.procbio.2016.12.003 https://doi.org/10.1016/j.procbio.2016.12.003 https://doi.org/10.1016/j.procbio.2016.12.003 https://doi.org/10.1016/j.procbio.2016.12.003 https://doi.org/10.1590/S1806-37132009001200013 https://doi.org/10.1590/S1806-37132009001200013 https://doi.org/10.1590/S1806-37132009001200013 https://doi.org/10.1590/S1806-37132009001200013 Ferreira,%20M.%20S.,%20Paracoccidioidomycosis,%20Paediatric%20Respiratory%20Reviews%2010%20(2009)%20161\u2013165.%20https:/doi.org/10.1016/j.prrv.2009.08.001. Ferreira,%20M.%20S.,%20Paracoccidioidomycosis,%20Paediatric%20Respiratory%20Reviews%2010%20(2009)%20161\u2013165.%20https:/doi.org/10.1016/j.prrv.2009.08.001.", "mime": "application/pdf"}, {"id": "ecletica-1172", "words": "5728", "extension": ".pdf", "flesch": "63", "author": "Barrozo, Sidineia; Peres, Riberto Nunes; Witzler, Marcus Jos\u00e9; Benedetti, Assis Vicente; Fugivara, Cec\u00edlio Sadao", "title": "Electrochemical noise analysis to obtain the Rsn value via FFT using Excel", "date": "2020", "keywords": "current; data; example; excel; figure; graph; note; potential; \ud835\udc45\ud835\udc60\ud835\udc5b", "summary": "This routine was used to analyze experimental potential and current noise data recorded for chalcopyrite. Therefore, this work presents a step- by-step procedure for performing these calculations using Excel software, automating the process of obtaining the spectral electrochemical noise resistance, \ud835\udc45\ud835\udc60\ud835\udc5b 0 , using experimental potential and current noise data recorded for chalcopyrite in the laboratory.", "mime": "application/pdf"}, {"id": "ecletica-1173", "words": "11215", "extension": ".pdf", "flesch": "39", "author": "de Oliveira, Daniel Augusto Barra; Niculau, Edenilson dos Santos", "title": "A criticism of the reductionist and holistic vision in the planning of drugs in biological, chemical and physical level", "date": "2021", "keywords": "approach; biology; cancer; cell; chemical; chemistry; design; drug; level; mechanics; molecular; molecules; protein; quantum; reductionism; structure; systems; theory", "summary": "Keiser, M. J.; Setola, V.; Irwin, J. J.; Laggner, C.; Abbas, A. I.; Hufeisen, S. J.; Jensen, H. N.; Kuijer, M. B.; Matos, R. C.; Tran, T. B.; Whaley, Glennon, R. A.; Hert, J.; Thomas, K. L. H.; Edwards, D. D.; Shoichet, B. K.; Roth, B. L. Predicting new molecular targets for known drugs. Rietjens, I. M. C. M.; Boersma, M. G.; de Haan, L.; Spenkelink, B.; Awad, H. M.; Cnubben, N. H. P.; van Zanden, J. J.; van der Woude, H.; Alink, G. M.; Koeman, J. H.", "mime": "application/pdf"}, {"id": "ecletica-1174", "words": "6391", "extension": ".pdf", "flesch": "28", "author": "Chagas, J\u00fanior Olair; Gomes, Jos\u00e9 Messias; Rodrigues, J\u00falia Helena Valadares; Cunha, Isabela Cristina de Matos; de Melo, Nathalie Ferreira Silva; da Silva, Gilmare Ant\u00f4nia; Lobo, Fabiana Aparecida", "title": "Nitrogen, phosphorous and potassium polymeric microparticles: application and validation of analytical methods for determination of a promising fertilizer", "date": "2021", "keywords": "journal; l-1; methods; microparticles; npk; polymeric; potassium; release; solution", "summary": "[1] Tagliari, M. P., Granada, A., Kuminek, G., Stulzer, H. K., Silva, M. A. S., Desenvolvimento e valida\u00e7\u00e3o de m\u00e9todos anal\u00edticos para determina\u00e7\u00e3o de \u00e1cido Glicirr\u00edzico, \u00e1cido salic\u00edlico e cafe\u00edna em nanopart\u00edculas de quitosana e alginato, Qu\u00edmica Nova 35 (6) (2012) 1228-1232. [31] Chagas, J. O., Sousa, H. G. L. de, Cunha, I. C. M., Froes-Silva, R. E. S., Silva, G. A. da, Lobo, F. A., Otimiza\u00e7\u00e3o multivariada de metodologia para digest\u00e3o de micropart\u00edculas polim\u00e9ricas carreadoras de c\u00e1tions met\u00e1licos, Qu\u00edmica Nova 40 (1) (2017) 30-35. https://doi.org/10.21577/0100-4042.20160144.", "mime": "application/pdf"}, {"id": "ecletica-1179", "words": "264", "extension": ".pdf", "flesch": "-18", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial board", "date": "2020", "keywords": "brazil; prof", "summary": "Prof. Arnaldo Alves Cardoso, Institute of Chemistry Unesp Araraquara, Brazil Prof. Antonio Eduardo Mauro, Institute of Chemistry Unesp Araraquara, Brazil Prof. Horacio Heinzen, Faculty of Chemistry UdelaR, Montevideo, Uruguay Prof. Maysa Furlan, Institute of Chemistry Unesp Araraquara, Brazil Prof. Maria C\u00e9lia Bertolini, Institute of Chemistry Unesp Araraquara, Brazil Prof. Paulo Clairmont Feitosa de Lima Gomes, Institute of Chemistry, Unesp Araraquara, Brazil Editorial Board Prof. Jairton Dupont, Instituto de Qu\u00edmica, Universidade Federal do Rio Grande do Sul, UFRGS, RS, Brazil Prof. Enric Brillas, Facultat de Qu\u00edmica, Universitat de Barcelona, Spain Prof. Ver\u00f3nica Cort\u00e9s de Zea Bermudez, Escola de Ci\u00eancias da Vida e do Ambiente,Universidade de Tr\u00e1s- os-Montes e Alto Douro, Vila Real, Portugal Prof. Lauro Kubota, Instituto de Qu\u00edmica, Universidade Estadual de Campinas, Unicamp, SP, Brazil Prof. Ivano Gerardt Rolf Gutz, Instituto de Qu\u00edmica, Universidade de S\u00e3o Paulo, USP, SP, Brazil Prof. Massuo Jorge Kato, Instituto de Qu\u00edmica, Universidade de S\u00e3o Paulo, USP, SP, Brazil Prof. Francisco de Assis Leone, Faculdade de Filosofia, Ci\u00eancias e Letras, Universidade de S\u00e3o Paulo, Ribeir\u00e3o Preto, USP-RP, SP, Brazil Prof. Roberto Santana da Silva, Faculdade de Ci\u00eancias Farmac\u00eauticas, Universidade de S\u00e3o Paulo, Ribeir\u00e3o Preto, USP-RP, SP, Brazil Prof. Jos\u00e9 Ant\u00f4nio Maia Rodrigues, Faculdade de Ci\u00eancias, Universidade do Porto, Portugal Prof. Bayardo Baptista Torres, Instituto de Qu\u00edmica, Universidade de S\u00e3o Paulo, USP, SP, Brazil Technical Staff Gustavo Marcelino de Souza Let\u00edcia Amanda Miguel Ecl\u00e9tica Qu\u00edmica Journal 2020 http://revista.iq.unesp.br/ojs/index.php/ecletica/index", "mime": "application/pdf"}, {"id": "ecletica-118", "words": "4231", "extension": ".pdf", "flesch": "61", "author": "Bertoli, Alexandre Carvalho; Carvalho, Ruy; Cannata, Marcele Gabriel; Bastos, Ana Rosa Ribeiro; Augusto, Amanda dos Santos", "title": "Assessment of toxicity of cadmium and lead in tomato", "date": "2014", "keywords": "a\u00e9rea; com; concentra\u00e7\u00e3o; concentra\u00e7\u00f5es; das; doses; foi; frutos; l-1; nas; para; parte; plantas; que; ra\u00edzes; solo; transloca\u00e7\u00e3o; uma", "summary": "A baixa transloca\u00e7\u00e3o de Pb e Cd foi confirmada, [4] notadamente do Pb, mostrando que, dependendo da dose presente no solo, desde que insuficiente para eliminar as plantas, e se elas forem capazes de produzir sementes, podem ser consumidas na alimenta\u00e7\u00e3o sem riscos \u00e0 sa\u00fade, devido as concentra\u00e7\u00f5es insignificantes do metal nos frutos (gr\u00e3os e vagem). Baixa transloca\u00e7\u00e3o de Cd e Pb e aumento da produ\u00e7\u00e3o de frutos pelo tomateiro n\u00e3o permitem apontar para o consumo dos frutos porque h\u00e1 controv\u00e9rsias quanto \u00e0 tolerabilidade dos organismos aos referidos metais.", "mime": "application/pdf"}, {"id": "ecletica-1180", "words": "390", "extension": ".pdf", "flesch": "43", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial", "date": "2020", "keywords": "issue", "summary": "The feedstock was hydrolyzed producing free fatty acids and glycerol plus residues. It is well known that non-edible fats are a common renewable feedstock for the biofuels production to avoid partially the use of edible feeds and fossil fuels.", "mime": "application/pdf"}, {"id": "ecletica-1181", "words": "40", "extension": ".pdf", "flesch": "-99", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Databases", "date": "2020", "keywords": "databases", "summary": "Databases iq.unesp.br/ecletica Citation databases: Ecletica Quim. http://revista.iq.unesp.br/ojs/index.php/ecletica/index http://bit.do/EQJ_CAS https://www.scopus.com/sourceid/23521 https://doaj.org/toc/1678-4618 http://www.speciation.net/Database/Journals/Ecletica-Quimica-Journal-;i1882 https://scholar.google.com.br/citations?hl=pt-BR&user=-J-pPugAAAAJ&authuser=1 https://www.redib.org/recursos/Record/oai_revista5161-ecl%C3%A9tica-qu%C3%ADmica http://portal.amelica.org/BusquedaRevistaPorNombre.oa?pal=Ecl%C3%A9tica%20Qu%C3%ADmica https://www.redalyc.org/revista.oa?id=429 https://www.latindex.org/latindex/ficha?folio=16477 https://biblat.unam.mx/pt/revista/ecletica-quimica https://inis.iaea.org/search/search.aspx?orig_q=journal:%22ISSN%200100-4670%22", "mime": "application/pdf"}, {"id": "ecletica-1184", "words": "2428", "extension": ".pdf", "flesch": "49", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Author guidelines", "date": "2020", "keywords": "authors; eclet; letter; manuscript; quim; text", "summary": "| Vol. 45 | n. 3 | 2020 | Instructions for Authors Preparation of manuscripts \u2022 Only manuscripts in English will be accepted. The corresponding author should submit the manuscript online at http://revista.iq.unesp.br/ojs/index.php/ecletica/author \u2022 Manuscripts must be sent in editable files as *.doc, *.docx or *.odt.", "mime": "application/pdf"}, {"id": "ecletica-1187", "words": "6274", "extension": ".pdf", "flesch": "43", "author": "Olivier, Danilo da Silva; Cespedes, Graziely Ferreira; Pazin, Wallance Moreira; Cilli, Eduardo Maffud; Ito, Amando Siuiti", "title": "Dengue fusion peptides in interaction with model membranes \u2013 a fluorescence study", "date": "2021", "keywords": "anisotropy; buffer; dengue; emission; fluorescence; fusion; interaction; journal; peptides; time; tryptophan; vesicles", "summary": "The segment between residues 98 and 112, called fusion peptide, forms a loop in domain II of glycoprotein E and inserts into the cell membrane7,9,11,12 in the interaction step between the flavivirus and the host cell. Results of FCS experiments using the membrane probe DiIC18 reveal changes in the size of negative vesicles due to interaction with fusion peptides and are consistent with those obtained from tryptophan fluorescence.", "mime": "application/pdf"}, {"id": "ecletica-119", "words": "4850", "extension": ".pdf", "flesch": "53", "author": "da Silva Neto, Adalberto Alves; Pacheco, Wagner Felippe; Semaan, Felipe Silva", "title": "Spectrophotometric determination of furosemide in pharmaceutical formulations \u2013 A didactic approach, from practice to theory", "date": "2014", "keywords": "caso; como; das; dos; eletr\u00f4nico; emiss\u00e3o; energia; entre; estado; excitado; excita\u00e7\u00e3o; foi; foram; furosemida; mais; molecular; mol\u00e9cula; n\u00edvel; para; pela; por; que; qu\u00edmica; ser; solu\u00e7\u00e3o; uma; vibracional", "summary": "Um deles \u00e9 a regra de Kasha, no qual foi observado que o pico de fluoresc\u00eancia \u00e9 independente do comprimento de onda de excita\u00e7\u00e3o, apenas a sua in- tensidade vai alterar. Isso pode ser observado na Figura 5, na qual v\u00e1rios espectros de emiss\u00e3o foram registra- dos para diferentes comprimentos de onda de excita\u00e7\u00e3o; valores de m\u00e1ximo correspondem, justamente, a cada valor de excita\u00e7\u00e3o.", "mime": "application/pdf"}, {"id": "ecletica-1192", "words": "8940", "extension": ".pdf", "flesch": "31", "author": "Zanoni, J\u00e9ssica de Araujo; de Oliveira, Isabela Brunozi; Perrone, Olavo Micali; Ortega, Julieth Ordu\u00f1a; Boscolo, Maur\u00edcio; Gomes, Eleni; Rodriguez, Gustavo Orlando Bonilla", "title": "Production and biochemical characterization of xylanases synthesized by the thermophilic fungus Rasamsonia emersonii S10 by solid-state cultivation", "date": "2021", "keywords": "acid; activity; bagasse; compounds; crude; emersonii; enzyme; extract; hydrolysis; journal; phenolic; production; sugarcane; temperature; xylan; xylanases", "summary": "[51] Damaso, M. C. T., Almeida, M. S., Kurtenbach, E., Martins, O. B., Pereira Junior, N., Andrade, C. M. M. C., Albano, R. M., Optimized expression of a thermostable xylanase from Thermomyces lanuginosus in Pichia pastoris, Applied and Environmental Microbiology 69 (10) (2003) 6064-6072. [23] Perrone, O. M., Colombari, F. M., Rossi, J. S., Moretti, M. M. S., Bordignon, S. E., Nunes, C. da C. C., Gomes, E., Boscolo, M., da Silva, R., Ozonolysis combined with ultrasound as a pretreatment of sugarcane bagasse: Effect on the enzymatic saccharification and the physical and chemical characteristics of the substrate, Bioresource Technology 218 (2016) 69-76. https://doi.org/10.1016/j.biortech.2016.06.072.", "mime": "application/pdf"}, {"id": "ecletica-1193", "words": "7875", "extension": ".pdf", "flesch": "27", "author": "Pereira, Andressa Ribeiro; de Oliveira Junior, Osvaldo Novais", "title": "Recent advances in the use of Langmuir monolayers as cell membrane models", "date": "2021", "keywords": "cell; dppc; interface; journal; langmuir; langmuir monolayers; lipid; membrane; molecules; monolayers; pressure; spectroscopy; surface; water", "summary": "| Vol. 46 | special issue 1 | 2021 | 18 Ecl\u00e9tica Qu\u00edmica Journal, vol. 46, special issue 1, 2021, 18-29 ISSN: 1678-4618 DOI: 10.26850/1678-4618eqj.v46.1SI.2021.p18-29 Recent advances in the use of Langmuir monolayers as cell membrane models Andressa Ribeiro Pereira1+ , Osvaldo Novais de Oliveira Junior1 1. Langmuir monolayers 2. cell membrane models 3. chitosans 4. pharmaceutical drugs ABSTRACT:", "mime": "application/pdf"}, {"id": "ecletica-1195", "words": "13973", "extension": ".pdf", "flesch": "28", "author": "Akintelu, Sunday Adewale; Oyebamiji, Abel Kolawole; Olugbeko, Seyifunmi Charles; Folorunso, Aderonke Similoluwa", "title": "Green synthesis of iron oxide nanoparticles for biomedical application and environmental remediation: a review", "date": "2021", "keywords": "activity; applications; biosynthesis; characterization; chemical; et al; extract; ftir; green; ionps; ionps synthesis; iron; iron nanoparticles; iron oxide; journal; leaf; metal; nanoparticles; oxide; oxide nanoparticles; plant; precursor; review; s. a.; sem; size; synthesis", "summary": "https://doi.org/10.3390/nano6110209 Salem, D. M. S. A.; Ismail, M. M.; Aly-Eldeen, M. A. Biogenic synthesis and antimicrobial potency of iron oxide (Fe3O4) nanoparticles using algae harvested from the Mediterranean Sea, Egypt. https://doi.org/10.1049/iet-nbt.2017.0199 El Shafey, A. M. Green synthesis of metal and metal oxide nanoparticles from plant leaf extracts and their applications:", "mime": "application/pdf"}, {"id": "ecletica-1196", "words": "5073", "extension": ".pdf", "flesch": "54", "author": "Novak, Alexandra; Yubero, F\u00e1tima; Diez-P\u00e9rez-N\u00fa\u00f1ez, Diana; Fertonani, Fernando Luis; Britez, Brenda Gisselle Da Silva; Gonzalez, Yenny", "title": "Bioadsorption of lead(II) over the pulp of Acrocomia aculeata", "date": "2021", "keywords": "aculeata; adsorption; azide; column; lead; min; pb(ii; pulp; solution", "summary": "Fourier transform infrared (FTIR) spectrum bands of A. aculeata pulp. Fourier transform infrared spectrum (FTIR) of A. aculeata pulp in contact with 25 ppm Pb(II) solution for 5 min, 30 min, and 5 h; insert: expanded region of 2340\u20132380 cm\u20131.", "mime": "application/pdf"}, {"id": "ecletica-1197", "words": "8659", "extension": ".pdf", "flesch": "44", "author": "Marlinda, Lenny; Prajitno, Danawati Hari; Roesyadi, Achmad; Gunardi, Ignatius; Mirzayanti, Yustia Wulandari; Al Muttaqii, Muhammad; Budianto, Agus", "title": "Biofuel from hydrocracking of Cerbera manghas oil over Ni-Zn/HZSM-5 catalyst", "date": "2022", "keywords": "2013; acid; article; biofuel; catalyst; cerbera; compounds; et al; hydrocarbon; hydrocracking; hzsm-5; manghas; oil; reaction; temperature; vol", "summary": "It was still having the properties that have not been profitable for diesel engines (Ayodele et al., 2015; Chen et al., 2016; Kim et al., 2013; The limiting properties of FAMEs for the application directly as a fuel in vehicle engines are low energy density, poor oxidation stability of FAMEs (Ayodele et al., 2015; Chen et al., 2016; Kim et al., 2013), which is caused by excess oxygen incorporated in carboxyl or carbonyl groups (Chen et al., 2016; Kim et al., 2013; Romero et al., 2015; Wang et al., 2014), the high value of viscosity and pour point, poor calorific value (Wang et al., 2014), poor storage stability, and glycerol by- product menace (Ayodele et al., 2015).", "mime": "application/pdf"}, {"id": "ecletica-1198", "words": "5592", "extension": ".pdf", "flesch": "40", "author": "Paris Junior, Jos\u00e9 Alberto; Rocchi, Ana J\u00falia Salvador; Biagioni, Bruno Torquato; Cavicchioli, Maur\u00edcio; Machado, Rachel Temperani Amaral; Pavan, Fernando Rog\u00e9rio; Corbi, Pedro Paulo; Lustri, Wilton Rog\u00e9rio; Pereira, Douglas Henrique; Massabni, Antonio Carlos", "title": "Chemical, spectroscopic characterization, molecular modeling and antibacterial activity assays of a silver (I) complex with succinic acid", "date": "2021", "keywords": "acid; ag2(c4h4o4; carboxylate; complex; journal; mic; silver", "summary": "[29] Frisch, J., Trucks, G. W., Schlegel, H. B., Scuseria, G. E., Robb, M. A., Cheeseman, J. R., Scalmani, G., Barone, V., Mennucci, B., Petersson, G. A., Nakatsuji, H., Caricato, M., Li, X., Hratchian, H. P., Izmaylov, A. F., Bloino, J., Zheng, G., Sonnenberg, J. L., Hada, M., Ehara, M., Toyota, K., Fukuda, R., Hasegawa, J., Ishida, M., Nakajima, T., Honda, Y., Kitao, O., Nakai, H., Vreven, T., Montgomery, J. A., Peralta, J. E., Ogliaro, F., Bearpark, M., Heyd, J. J., Brothers, E., Kudin, K. N., Staroverov, V. N., Kobayashi, R., Normand, J., Raghavachari, K., Rendell, A., Burant, J. C., Iyengar, S. S., Tomasi, S., Cossi, M., Rega, N., Millam, J. M., Klene, M., Knox, J. E., Cross, J. B., Bakken, V., Adamo, C., Jaramillo, J., Gomperts, R., Stratmann, R. E., Yazyev, O., Austin, A. J., Cammi, R., Pomelli, C., Ochterski, J. W., Martin, R. L., Morokuma, K., Zakrzewski, V. G., Voth, G. A., Salvador, P., Dannenberg, J. J., Dapprich, S., Daniels, A. D., Farkas, \u00d6., Foresman, J. B., Ortiz, J. V., Cioslowski, J., Fox, D.J., Gaussian09, Revision D.1, Semichem Inc., Shawnee Mission, 2009. [37] Castellano, J. J., Shafii, S. M., Ko, F., Donate, G., Wright, T. E., Mannari, R. J., Payne, W. G., Smith, D. J., Robson, M. C., Comparative evaluation of silver-containing antimicrobial dressings and drugs, International Wound Journal 4 (2) (2007) 114-122.", "mime": "application/pdf"}, {"id": "ecletica-120", "words": "3815", "extension": ".pdf", "flesch": "63", "author": "Cavallini, Grasiele Soares; Campos, Sandro Xavier; de Souza, Jeanette Beber; Vidal, Carlos Magno de Sousa", "title": "Influ\u00eancia das caracter\u00edsticas f\u00edsico-qu\u00edmicas do esgoto sanit\u00e1rio na desinfec\u00e7\u00e3o com \u00e1cido perac\u00e9tico", "date": "2014", "keywords": "apa; com; como; contato; desinfec\u00e7\u00e3o; dos; efici\u00eancia; esgoto; hidrog\u00eanio; inativa\u00e7\u00e3o; para; que; sst", "summary": "A partir das concentra\u00e7\u00f5es residuais de APA ob- tidas pelas aplica\u00e7\u00f5es das dosagens de 5 e 10 mg/L foi poss\u00edvel observar que a inativa\u00e7\u00e3o dos microrganismos n\u00e3o \u00e9 limitada apenas pelo consumo completo do desin- fetante, visto que, a inativa\u00e7\u00e3o cessou mesmo havendo APA dispon\u00edvel no esgoto. A an\u00e1lise preliminar da efici\u00eancia do APA na desinfec\u00e7\u00e3o foi realizada utilizando tr\u00eas diferentes dos- agens de APA, cada uma delas em tr\u00eas tempos de conta- to 5, 10 e 20 minutos.", "mime": "application/pdf"}, {"id": "ecletica-1203", "words": "9036", "extension": ".pdf", "flesch": "27", "author": "da Silva, Danilo Antonio; de Vasconcellos, Adriano; Nery, Jos\u00e9 Geraldo", "title": "Metallo-stannosilicates as inorganic supports to immobilization of lipase from Thermomyces lanuginosus for biodiesel production", "date": "2021", "keywords": "biodiesel; catalysts; enzymes; immobilization; journal; lipase; materials; ni2; nmr; oil; ppm; production; reactions; solution; stannosilicates; transesterification", "summary": "[51] Bradford, M. M., A rapid and sensitive method for the quantitation of microgram quantities of protein utilizing the principle of protein-dye binding, Analytical Biochemistry 72 (1-2) (1976) 248-254. Stannosilicates and tin-zeotypes materials have been reported as ion exchangers, sorbents and catalysts for several types of reaction, as purification of natural gas with sulfur compounds, like hydrogen sulfides or oxysulfides11, and catalytic reactions for decomposition of propan-2- ol and oxidation of cyclohexene12, Baeyer\u2013Villiger oxidation reactions13, monosaccharide isomerization reactions14,15 and application as heterogeneous catalysts for biofuels production16.", "mime": "application/pdf"}, {"id": "ecletica-1204", "words": "4258", "extension": ".pdf", "flesch": "28", "author": "Kinoshita, Angela; Lima, Iara; Guidelli, \u00c9der Jos\u00e9; Baffa Filho, Oswaldo", "title": "Antioxidative activity of gold and platinum nanoparticles assessed through electron spin resonance", "date": "2021", "keywords": "antioxidant; aunp; dpph; esr; gold; journal; nanoparticles; platinum", "summary": "[20] Rodrigues, M. A. C., dos Santos, N. A. G., Faria, M. C. da, S., Rodrigues, J. L., Kinoshita, A., Baffa, O., Antunes, L. M. G., Barbosa Junior, F., Gobe, G. C., dos Santos, A. C., Carvedilol protects the kidneys of tumor-bearing mice without impairing the biodistribution or the genotoxicity of cisplatin, Chemico-Biological Interactions 245 (2016) 59-65. https://doi.org/10.1016/j.cbi.2015.12.020. For instance, the most traditional protocol for gold nanoparticles (AuNPs) synthesis was proposed by Turkevich, consisting of the reduction of tetrachloroauric acid (HAuCl4) with sodium citrate at 90\u2013100 \u00b0C.", "mime": "application/pdf"}, {"id": "ecletica-1206", "words": "6326", "extension": ".pdf", "flesch": "38", "author": "Rezende, Sof\u00eda; Banchero, Sabrina; Migues, Ignacio; Cesio, Mar\u00eda Veronica; Rivas, Carlos Fernando; Heinzen, Horacio; Besil, Mar\u00eda Natalia", "title": "Variability levels of selected amino acids among mandarins produced in Uruguay", "date": "2021", "keywords": "acids; amino; amino acids; analysis; asparagine; citrus; concentration; cultivar; loq; page; proline; samples; varieties; willowleaf", "summary": "Nevertheless, the presence and contribution of amino acids to the healthy properties of citrus fruits has not been acknowledged in recent reviews (Lado et al., 2018). It is also known that amino acids are essential nutrients in the diet and supplements containing them can be beneficial in strict vegetarian people.", "mime": "application/pdf"}, {"id": "ecletica-1208", "words": "264", "extension": ".pdf", "flesch": "26", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial board", "date": "2020", "keywords": "brazil; prof", "summary": "Sul, UFRGS, RS, Brazil Prof. Enric Brillas, Facultat de Qu\u00edmica, Universitat de Barcelona, Spain Prof. Ver\u00f3nica Cort\u00e9s de Zea Bermudez, Escola de Ci\u00eancias da Vida e do Ambiente, Universidade de Tr\u00e1s- os-Montes e Alto Douro, Vila Real, Portugal Prof. Lauro Kubota, Instituto de Qu\u00edmica, Universidade Estadual de Campinas, Unicamp, SP, Brazil Prof. Ivano Gerardt Rolf Gutz, Instituto de Qu\u00edmica, Universidade de S\u00e3o Paulo, USP, SP, Brazil Prof. Jos\u00e9 Ant\u00f4nio Maia Rodrigues, Faculdade de Ci\u00eancias, Universidade do Porto, Portugal Prof. Bayardo Baptista Torres, Instituto de Qu\u00edmica, Universidade de S\u00e3o Paulo, USP, SP, Brazil Technical Staff Gustavo Marcelino de Souza Let\u00edcia Amanda Miguel Ecl\u00e9tica Qu\u00edmica Journal 2020 http://revista.iq.unesp.br/ojs/index.php/ecletica/index", "mime": "application/pdf"}, {"id": "ecletica-1209", "words": "482", "extension": ".pdf", "flesch": "34", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial", "date": "2020", "keywords": "energy", "summary": "A Technical Note developing a methodology to treat electrochemical noise data and to obtain the spectral electrochemical noise resistance closes this issue. | Editorial The period of uncertainty is not over, but it demonstrates our enormous capacity of adapting to new situations and to overcome obstacles.", "mime": "application/pdf"}, {"id": "ecletica-121", "words": "3085", "extension": ".pdf", "flesch": "59", "author": "Silva, Tiago Var\u00e3o; R\u00eago, Jardes Figuer\u00eado; de Moraes, Mercedes; Cavalheiro, Alberto Jos\u00e9; Gomes Neto, Jos\u00e9 Anchieta; Raposo J\u00fanior, Jorge Luiz", "title": "Multi-element determination of calcium, potassium and magnesium in medicinal plant by high-resolution continuum source atomic absorption spectrometry", "date": "2014", "keywords": "amostras; com; das; determina\u00e7\u00e3o; dos; foi; foram; l-1; medicinais; onda; para; plantas; por", "summary": "A precis\u00e3o associada a 12 medidas sucessivas de uma solu\u00e7\u00e3o contendo 100 mg L-1 Ca, 200 mg L-1 K e 50 mg L-1 Mg foi de 4,3%, 3,9% e 5,1%, respectivamente. As linhas 239,856 nm, 404,414 nm e 202,588 nm permitiram determinar respectiv- amente Ca, K e Mg em todas as amostras de plantas sem dilui\u00e7\u00e3o de seus digeridos.", "mime": "application/pdf"}, {"id": "ecletica-1210", "words": "40", "extension": ".pdf", "flesch": "-99", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Databases", "date": "2020", "keywords": "databases", "summary": "Databases iq.unesp.br/ecletica Citation databases: Ecletica Quim. http://revista.iq.unesp.br/ojs/index.php/ecletica/index http://bit.do/EQJ_CAS https://www.scopus.com/sourceid/23521 https://doaj.org/toc/1678-4618 http://www.speciation.net/Database/Journals/Ecletica-Quimica-Journal-;i1882 https://scholar.google.com.br/citations?hl=pt-BR&user=-J-pPugAAAAJ&authuser=1 https://www.redib.org/recursos/Record/oai_revista5161-ecl%C3%A9tica-qu%C3%ADmica http://portal.amelica.org/BusquedaRevistaPorNombre.oa?pal=Ecl%C3%A9tica%20Qu%C3%ADmica https://www.redalyc.org/revista.oa?id=429 https://www.latindex.org/latindex/ficha?folio=16477 https://biblat.unam.mx/pt/revista/ecletica-quimica https://inis.iaea.org/search/search.aspx?orig_q=journal:%22ISSN%200100-4670%22", "mime": "application/pdf"}, {"id": "ecletica-1212", "words": "194", "extension": ".pdf", "flesch": "28", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Summary", "date": "2020", "keywords": "summary", "summary": "21 Ana Marta Cavinato Marchini Rolisola, Amauri Ant\u00f4nio Meneg\u00e1rio, Lauren Nozomi Marques Yabuki, Luciana Polese, Chang Hung Kiang Synthesis, characterization, and thermal behavior of amidosulfonates of transition metals in air and nitrogen atmosphere ............................................................................................................................................ 32 Jose Marques Luiz, Ronaldo Spezia Nunes Approximate solutions of the Schr\u00f6dinger equation with energy-dependent screened Coulomb potential in D \u2013 dimensions ................................................................................................................................................. 57 Sidineia Barrozo, Riberto Nunes Peres, Marcus Jos\u00e9 Witzler, Assis Vicente Benedetti, Cec\u00edlio Sadao Fugivara http://revista.iq.unesp.br/ojs/index.php/ecletica/index", "mime": "application/pdf"}, {"id": "ecletica-1213", "words": "2521", "extension": ".pdf", "flesch": "47", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Author guidelines", "date": "2020", "keywords": "article; authors; eclet; letter; manuscript; text", "summary": "| Vol. 45 | n. 4 | 2020 | Instructions for Authors Preparation of manuscripts \u2022 Only manuscripts in English will be accepted. The corresponding author should submit the manuscript online at http://revista.iq.unesp.br/ojs/index.php/ecletica/author \u2022 Manuscripts must be sent in editable files as *.doc, *.docx or *.odt.", "mime": "application/pdf"}, {"id": "ecletica-1216", "words": "6078", "extension": ".pdf", "flesch": "57", "author": "Obogo, Ushie Patrick; Ubi, Ofem Egbe; Edet, Collins Okon; Ikot, Akpan Ndem", "title": "Effect of the deformation parameter on the nonrelativistic energy spectra of the q-deformed Hulthen-quadratic exponential-type potential", "date": "2021", "keywords": "edet; energy; parameter; potential", "summary": "In addition, in molecular physics, it has also been established that potential energy functions with more parameters tend to fit experimental data than those with fewer parameters and researchers have recently paid great attention to obtaining modified version of potential functions by employing dissociation energy, and equilibrium bond length for molecular systems as explicit parameters. https://doi.org/10.1007/s10910-020-01107-4 Edet C. O.; Amadi, P. O.; Onyeaju, M. C.; Okorie, U. S.; Sever, R.; Rampho, G. J.; Abdullah, H. Y.; Salih, I. H.; Ikot, A. N. Thermal Properties and Magnetic Susceptibility of Hellmann Potential in Aharonov\u2013", "mime": "application/pdf"}, {"id": "ecletica-122", "words": "5062", "extension": ".pdf", "flesch": "58", "author": "Damasceno, Izabele Folha; Leal, Vivane Lopes; Coelho, Ronaldo Cunha; de Moura, Carla Ver\u00f4nica Rodoarte; de Moura, Edmilson Miranda", "title": "Evaluation of pollution level caused by domestic effluent in the Poty river \u2013 Teresina PI - Brazil", "date": "2014", "keywords": "concentrations; effluent; l-1; metals; period; poty; results; river; samples; water", "summary": "Metals Analysis in samples of effluents, water and sediments collected in Poty River The metals are considered as one of the most Both effluent samples and water samples met the CONAMA Resolution 357/05, which allows vari- ations in pH between 5 and 9 for effluents and 6 and 9 for fresh water. The pH measurements in water samples ranged between 6.6 and 8.0, and they are within the range con- sidered tolerable by law.", "mime": "application/pdf"}, {"id": "ecletica-1221", "words": "5482", "extension": ".pdf", "flesch": "44", "author": "Lisboa, Thalles Pedrosa; Lemos, Luiza Conforte da Silva; Calzavara, Fillipe Caitano; Barbosa, Beatriz Silva; Baia, Gabriela Ezura; de Farias, Davi Marques; de Faria, Lucas Vinicius; Matos, Maria Auxiliadora Costa; da Silva, J\u00falio C\u00e9sar Jos\u00e9; de Oliveira, Marcone Augusto Leal", "title": "Ecofriendly and low-cost sample preparation methods for magnesium determination in beer", "date": "2021", "keywords": "analysis; beer; determination; magnesium; methods; samples", "summary": "Ferreira, R. H.; Vasconcelos, M. C. R. L.; Judice, V. M. M.; Neves, J. T. R. Inova\u00e7\u00e3o na fabrica\u00e7\u00e3o de cervejas especiais na regi\u00e3o de Belo Horizonte. Matos, M. A. C.; Silva, J. C. J.; Oliveira, M. A. L. Investigation: Lisboa, T. P.; Lemos, L. C. S.;", "mime": "application/pdf"}, {"id": "ecletica-1225", "words": "280", "extension": ".pdf", "flesch": "20", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial Board", "date": "2021", "keywords": "brazil; prof", "summary": "Prof. Maria C\u00e9lia Bertolini, Institute of Chemistry Unesp Araraquara, Brazil Prof. Paulo Clairmont Feitosa de Lima Gomes, Institute of Chemistry, Unesp Araraquara, Brazil Editorial Board Prof. Jairton Dupont, Instituto de Qu\u00edmica, Universidade Federal do Rio Grande do Sul, UFRGS, RS, Brazil Prof. Enric Brillas, Facultat de Qu\u00edmica, Universitat de Barcelona, Spain Prof. Ver\u00f3nica Cort\u00e9s de Zea Bermudez, Escola de Ci\u00eancias da Vida e do Ambiente, Universidade de Tr\u00e1s- os-Montes e Alto Douro, Vila Real, Portugal Prof. Lauro Kubota, Instituto de Qu\u00edmica, Universidade Estadual de Campinas, Unicamp, SP, Brazil Prof. Ivano Gerardt Rolf Gutz, Instituto de Qu\u00edmica, Universidade de S\u00e3o Paulo, USP, SP, Brazil Prof. Massuo Jorge Kato, Instituto de Qu\u00edmica, Universidade de S\u00e3o Paulo, USP, SP, Brazil Prof. Francisco de Assis Leone, Faculdade de Filosofia, Ci\u00eancias e Letras, Universidade de S\u00e3o Paulo, Ribeir\u00e3o Preto, USP-RP, SP, Brazil Prof. Roberto Santana da Silva, Faculdade de Ci\u00eancias Farmac\u00eauticas, Universidade de S\u00e3o Paulo, Ribeir\u00e3o Preto, USP-RP, SP, Brazil", "mime": "application/pdf"}, {"id": "ecletica-1227", "words": "40", "extension": ".pdf", "flesch": "-99", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Database", "date": "2021", "keywords": "databases", "summary": "Databases iq.unesp.br/ecletica Citation databases: Ecletica Quim. http://revista.iq.unesp.br/ojs/index.php/ecletica/index http://bit.do/EQJ_CAS https://www.scopus.com/sourceid/23521 https://doaj.org/toc/1678-4618 http://www.speciation.net/Database/Journals/Ecletica-Quimica-Journal-;i1882 https://scholar.google.com.br/citations?hl=pt-BR&user=-J-pPugAAAAJ&authuser=1 https://www.redib.org/recursos/Record/oai_revista5161-ecl%C3%A9tica-qu%C3%ADmica http://portal.amelica.org/BusquedaRevistaPorNombre.oa?pal=Ecl%C3%A9tica%20Qu%C3%ADmica https://www.redalyc.org/revista.oa?id=429 https://www.latindex.org/latindex/ficha?folio=16477 https://biblat.unam.mx/pt/revista/ecletica-quimica https://inis.iaea.org/search/search.aspx?orig_q=journal:%22ISSN%200100-4670%22", "mime": "application/pdf"}, {"id": "ecletica-1228", "words": "2521", "extension": ".pdf", "flesch": "47", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Author Guidelines", "date": "2021", "keywords": "article; authors; eclet; letter; manuscript; text", "summary": "| Vol. 46 | n. 1 | 2021 | Instructions for Authors Preparation of manuscripts \u2022 Only manuscripts in English will be accepted. The corresponding author should submit the manuscript online at http://revista.iq.unesp.br/ojs/index.php/ecletica/author \u2022 Manuscripts must be sent in editable files as *.doc, *.docx or *.odt.", "mime": "application/pdf"}, {"id": "ecletica-1229", "words": "176", "extension": ".pdf", "flesch": "31", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Summary", "date": "2021", "keywords": "silva", "summary": "12 Carla Ma\u00edra Bossu, Rodrigo Giglioti, Marcia Cristina de Sena Oliveira, Pedro Vitoriano de Oliveira, Ana Rita de Araujo Nogueira Impact of salinity on the kinetics of CO2 fixation by Spirulina platensis cultivated in semi-continuous photobioreactors ............................................................................................................................................ 21 Javier Christian Ramirez-Perez, Harry Janes Chemical profiles and antimicrobial activities of plants utilized in Brazilian traditional medicine ............ 35 Cl\u00e9cio Souza Ramos, Rafaela Souza Silva, Marc\u00edlio Wagner Fontes da Silva, Giselle Barbosa Bezerra Analytical procedures for the determination of estrogen compounds in a surface water reservoir in Southeast Brazil .................................................................................................................................................... 41 Thayn\u00e1 Aparecida Cais, Alley Michael da Silva Proc\u00f3pio, M\u00e1rcia Matiko Kondo, Fl\u00e1vio Soares Silva, Sandro Jos\u00e9 de Andrade Comparison between two Polyethersulfone concentrations in hollow fiber ultrafiltration membranes. Summary iq.unesp.br/ecletica", "mime": "application/pdf"}, {"id": "ecletica-123", "words": "3583", "extension": ".pdf", "flesch": "59", "author": "Ribeiro, Tatiana Gomes; Franca, Ju\u00e7ara Ribeiro; Marques, Andr\u00e9 Mesquita; Coelho Kaplan, Maria Auxiliadora; Faraco, Andr\u00e9 Augusto Gomes; Castilho, Rachel Oliveira", "title": "Desenvolvimento e valida\u00e7\u00e3o de m\u00e9todo anal\u00edtico espectrofotom\u00e9trico para quantifica\u00e7\u00e3o de nerolidol em um dispositivo polim\u00e9rico de libera\u00e7\u00e3o prolongada, ap\u00f3s derivatiza\u00e7\u00e3o com vanilina", "date": "2014", "keywords": "com; como; foi; foram; ml-1; m\u00e9todo; nerolidol; para; pbs; por; que; reagente; solu\u00e7\u00e3o; tamp\u00e3o", "summary": "\u00c9 utilizado em perfumes, xampus, sabonetes e outros produtos de higiene pessoal, bem como em pro- dutos n\u00e3o cosm\u00e9ticos de limpeza, com um consumo mundial de 10-100 toneladas/ano.2 O nerolidol possui atividade anti\u00falcera, antimicromiana, anticancer\u00edgena e tem atividade biocida para diferentes pat\u00f3genos, inclu- sive protozo\u00e1rios.3-7.Al\u00e9m disso, \u00e9 utilizado como agen- te promotor de absor\u00e7\u00e3o de f\u00e1rmacos na pele, como por exemplo anti-inflamat\u00f3rios como os cortiscoter\u00f3ides e o dicofenaco de s\u00f3dio e de anti-hipertensivos como o hidrocloridrato de verapamil.8 A utiliza\u00e7\u00e3o do nerolidol como f\u00e1rmaco mg mL-1 e limite de quantifica\u00e7\u00e3o 2,26 mg mL-1.", "mime": "application/pdf"}, {"id": "ecletica-1230", "words": "509", "extension": ".pdf", "flesch": "31", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial", "date": "2021", "keywords": "water", "summary": "The effect of the polymer content on the properties of the membranes was evaluated analyzing their morphological properties, response to tensile tests and pure water permeability. The results showed that the only relevant statistical difference was pure water permeability, being ~25% better in the 16% polymer membrane, implying a minor energy consumption to produce the same volume of permeate.", "mime": "application/pdf"}, {"id": "ecletica-1232", "words": "3278", "extension": ".pdf", "flesch": "47", "author": "dos Santos, Lucas Janoni; Filletti, \u00c9rica Regina; Pereira, Fabiola Manhas Verbi", "title": "Artificial intelligence method developed for classifying raw sugarcane in the presence of the solid impurity", "date": "2021", "keywords": "class; color; impurity; pereira; samples; sugarcane", "summary": "Guedes, W. N.; Pereira, F. M. V. Classifying impurity ranges in raw sugarcane using laser-induced breakdown spectroscopy (LIBS) and sum fusion across a tuning parameter window. The number of neurons in the intermediate layer was defined by trial and error to achieve the best classification of raw sugarcane content in solid mixtures.", "mime": "application/pdf"}, {"id": "ecletica-1236", "words": "5597", "extension": ".pdf", "flesch": "43", "author": "Costa Junior, Ismael Laurindo; Ferreira, Kevin Augusto; Kappes, Cesar Augusto; Giona, Renata Mello", "title": "Photoperoxidation of ciprofloxacin antibiotic in aqueous medium using Fe3-XO4-Y-TiO2 particles as catalyst", "date": "2022", "keywords": "cip; degradation; et al; fe3; particles; tio2; treatment; xo4", "summary": "http://revista.iq.unesp.br/ojs/index.php/ecletica/index https://doi.org/10.26850/1678-4618eqj.v47.1.2022.p55-63 Original article iq.unesp.br/ecletica 57 Ecl\u00e9tica Qu\u00edmica Journal, vol. 47, n. 1, 2022, 55-63 ISSN: 1678-4618 DOI: 10.26850/1678-4618eqj.v47.1.2022.p55-63 2.2 Synthesis and characterization of Fe3-xO4-y- TiO2 particles The synthesis of Fe3O4 particles was performed using the modified coprecipitation method (Dorigon et al., 2017; Wu et al., 2008). Teixeira, S.; Mora, H.; Blasse, L.-M.; Martins, P. M.; Carabineiro, S. A. C; Lanceros-M\u00e9ndez, S.; K\u00fchn, K.; Cuniberti, G. Photocatalytic degradation of recalcitrant micropollutants by reusable Fe3O4/SiO2/TiO2 particles.", "mime": "application/pdf"}, {"id": "ecletica-1237", "words": "3290", "extension": ".pdf", "flesch": "44", "author": "Carvalho, Flavio Alexandre; Oda, Fernando Bombarda; Crotti, Ant\u00f4nio Eduardo Miller; Crevelin, Eduardo Jos\u00e9; dos Santos, Andr\u00e9 Gonzaga", "title": "Geographical chemical variability and processing oxidation of volatile compounds of Casearia sylvestris leaves", "date": "2021", "keywords": "leaf; leaves; natura; sylvestris", "summary": "These results agreed with the results of most studies on C. sylvestris EO. This study compares the volatile chemicals in the in natura leaves and dried leaf EO of two C. sylvestris populations from Atlantic Forest and Cerrado.", "mime": "application/pdf"}, {"id": "ecletica-1238", "words": "5661", "extension": ".pdf", "flesch": "43", "author": "Souza, Fayene Zeferino Ribeiro de; Almeida, Amanda Cosmo de; Ferreira, Patr\u00edcia Osorio; Fernandes, Richard Perosa; Caires, Fl\u00e1vio Junior", "title": "Screening of coformers for quercetin cocrystals through mechanochemical methods", "date": "2022", "keywords": "cocrystal; curve; dta; ftir; ina; que; systems; thermal", "summary": "The results showed the formation of QUE cocrystals with picolinamide and isonicotinamide coformers in a 1:1 stoichiometric ratio. https://doi.org/10.1021/acs.cgd.8b00933 Kavanagh, O. N.; Croker, D. M.; Walker, G. M.; Zaworotko, M. J. Pharmaceutical cocrystals: from serendipity to design to application.", "mime": "application/pdf"}, {"id": "ecletica-124", "words": "1981", "extension": ".pdf", "flesch": "57", "author": "Tkach, Volodymyr; Nechyporuk, Vasyl Vasylyovych", "title": "As causas do comportamento oscilat\u00f3rio de sistemas eletroqu\u00edmicos devido a imobiliza\u00e7\u00e3o das subst\u00e2ncias diferentes atrav\u00e9s da polimeriza\u00e7\u00e3o eletroqu\u00edmica de combina\u00e7\u00f5es heteroc\u00edclicas", "date": "2014", "keywords": "mon\u00f4mero; para; pode; que", "summary": "As velocidades da adsor\u00e7\u00e3o e desor\u00e7\u00e3o po- dem-se calcular como CONCLUS\u00d5ES Investigou-se o processo da imobiliza\u00e7\u00e3o das subst\u00e2ncias diferentes atrav\u00e9s da eletropolimeriza\u00e7\u00e3o eletroqu\u00edmica das combina\u00e7\u00f5es heteroc\u00edclicas na pre- sen\u00e7a delas.", "mime": "application/pdf"}, {"id": "ecletica-1243", "words": "279", "extension": ".pdf", "flesch": "-27", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial board", "date": "2021", "keywords": "brazil; prof", "summary": "| Editorial Team Editor-in-Chief Prof. Assis Vicente Benedetti, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Editors Prof. Antonio Eduardo Mauro, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Prof. Horacio Heinzen, University of the Republic, Faculty of Chemistry, Montevideo, Uruguay Prof. Marcos Carlos de Mattos, Federal University of Cear\u00e1, Center of Sciences, Fortaleza, Brazil Prof. Maria C\u00e9lia Bertolini, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Prof. Patr\u00edcia Hatsue Suegama, Federal University of Grande Dourados, Faculty of Exact and Technological Sciences, Dourados, Brazil Prof. Paulo Clairmont Feitosa Lima Gomes, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Editorial Board Prof. Bayardo Baptista Torres, University of S\u00e3o Paulo, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Enric Brillas, University of Barcelona, Faculty of Chemistry, Barcelona, Spain Prof. Francisco de Assis Leone, University of S\u00e3o Paulo, Faculty of Philosophy, Sciences and Literature, Ribeir\u00e3o Preto, Brazil Prof. Ivano Gerardt Rolf Gutz, University of S\u00e3o Paulo, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Jairton Dupont, Federal University of Rio Grande do Sul, Institute of Chemistry, Porto Alegre, Brazil Prof. Jos\u00e9 Ant\u00f4nio Maia Rodrigues, University of Porto, Faculty of Sciences, Porto, Portugal Prof. Lauro Kubota, University of Campinas, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Massuo Jorge Kato, University of S\u00e3o Paulo, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Roberto Santana da Silva, University of S\u00e3o Paulo, Faculty of Pharmaceutical Sciences, Ribeir\u00e3o Preto, Brazil Prof. Ver\u00f3nica Cort\u00e9s de Zea Bermudez, University of Tr\u00e1s-os-Montes and Alto Douro, School of Life and Environmental Sciences, Vila Real, Portugal EDITORIAL PRODUCTION Ctrl K Produ\u00e7\u00e3o Editorial \u2013 Araraquara, Brazil digite@ctrlk.com.br http://revista.iq.unesp.br/ojs/index.php/ecletica/index Editorial Team iq.unesp.br/ecletica", "mime": "application/pdf"}, {"id": "ecletica-1244", "words": "477", "extension": ".pdf", "flesch": "32", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial", "date": "2021", "keywords": "complex; editorial", "summary": "This complex showed in vitro antibacterial activity against the bacterial strains of Staphylococcus aureus, Bacillus cereus, Escherichia coli and Pseudomonas aeruginosa complex and to be active over M. tuberculosis H37Rv strain. Ecotoxicological and chronic toxicity evaluations indicated that the post-treatment aqueous samples showed better performance compared to the initial ones.", "mime": "application/pdf"}, {"id": "ecletica-1245", "words": "40", "extension": ".pdf", "flesch": "-99", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Database", "date": "2021", "keywords": "databases", "summary": "Databases iq.unesp.br/ecletica Citation databases: Ecletica Quim. http://revista.iq.unesp.br/ojs/index.php/ecletica/index http://bit.do/EQJ_CAS https://www.scopus.com/sourceid/23521 https://doaj.org/toc/1678-4618 http://www.speciation.net/Database/Journals/Ecletica-Quimica-Journal-;i1882 https://scholar.google.com.br/citations?hl=pt-BR&user=-J-pPugAAAAJ&authuser=1 https://www.redib.org/recursos/Record/oai_revista5161-ecl%C3%A9tica-qu%C3%ADmica http://portal.amelica.org/BusquedaRevistaPorNombre.oa?pal=Ecl%C3%A9tica%20Qu%C3%ADmica https://www.redalyc.org/revista.oa?id=429 https://www.latindex.org/latindex/ficha?folio=16477 https://biblat.unam.mx/pt/revista/ecletica-quimica https://inis.iaea.org/search/search.aspx?orig_q=journal:%22ISSN%200100-4670%22", "mime": "application/pdf"}, {"id": "ecletica-1246", "words": "3559", "extension": ".pdf", "flesch": "49", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Author guidelines", "date": "2021", "keywords": "authors; data; eclet; information; letter; manuscript; quim", "summary": "f. Articles in education in chemistry and chemistry-correlated areas Research manuscript related to undergraduate teaching in Chemistry and innovative experiences in undergraduate and graduate education. Authors\u2019 contribution We request authors to include author contributions according to CRediT taxonomy standardized contribution descriptions. CRediT", "mime": "application/pdf"}, {"id": "ecletica-1247", "words": "212", "extension": ".pdf", "flesch": "-1", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Summary", "date": "2021", "keywords": "jos\u00e9; summary", "summary": "26 Jos\u00e9 Alberto Paris Junior, Ana J\u00falia Salvador Rocchi, Bruno Torquato Biagioni, Maur\u00edcio Cavicchioli, Rachel Temperani Amaral Machado, Fernando Rog\u00e9rio Pavan, Pedro Paulo Corbi, Wilton Rog\u00e9rio Lustri, Douglas Henrique Pereira, Antonio Carlos Massabni Nitrogen, phosphorous and potassium polymeric microparticles: application and validation of analytical methods for determination of a promising fertilizer ............................................................ 36 J\u00fanior Olair Chagas, Jos\u00e9 Messias Gomes, J\u00falia Helena Valadares Rodrigues, Isabela Cristina de Matos Cunha, Nathalie Ferreira Silva de Melo, Gilmare Ant\u00f4nia da Silva, Fabiana Aparecida Lobo Heterogeneous photodegradation of bisphenol A and ecotoxicological evaluation post treatment .. 48 Bianca Veloso Goulart, Patr\u00edcia Maralyne Lopes Lisboa Fagundes, Amanda Rosa Peres, Alessandra Carolina da Costa, Ana L\u00facia Fonseca, M\u00e1rcia Matiko Kondo, Sandro Jos\u00e9 de Andrade Ultrasound-assisted extraction for the determination of \u03b1-linolenic and linoleic acid in vegetable oils by high performance liquid chromatography ......................................................................................... Summary iq.unesp.br/ecletica", "mime": "application/pdf"}, {"id": "ecletica-125", "words": "2804", "extension": ".pdf", "flesch": "61", "author": "Tkach, Volodymyr; Nechyporuk, Vasyl Vasylyovych; Slipenyuk, Oksana", "title": "Descri\u00e7\u00e3o matem\u00e1tica do fen\u00f4meno oscilat\u00f3rio durante a s\u00edntese eletroqu\u00edmica dos filmes dos oxi-hidroxi compostos de cobalto (III) e durante a s\u00edntese dos comp\u00f3sitos deles com os pol\u00edmeros condutores", "date": "2014", "keywords": "camada; cobalto; como; concentra\u00e7\u00e3o; dos; filme; fluoreto; foi; oscila\u00e7\u00f5es; para; potencial; que; sistema", "summary": "O modelo matem\u00e1tico correspondente foi analizado atrav\u00e9s da teoria da instabilidade linear e da an\u00e1lise de bifurca\u00e7\u00f5es. Os valores da corrente e da freq\u00fc\u00eancia das os- cila\u00e7\u00f5es cresceram com o aumento da concentra\u00e7\u00e3o do fluoreto, j\u00e1 que a velocidade da dissolu\u00e7\u00e3o do filme cresceu.", "mime": "application/pdf"}, {"id": "ecletica-1250", "words": "324", "extension": ".pdf", "flesch": "-41", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial board", "date": "2021", "keywords": "brazil; prof", "summary": "| Vol. 46 | special issue 1 | 2021 | Editorial Team Editor-in-Chief Prof. Assis Vicente Benedetti, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Editors Section Prof. Elso Drigo Filho, S\u00e3o Paulo State University, Institute of Biosciences, Languages and Exact Sciences, S\u00e3o Jos\u00e9 do Rio Preto, Brazil Prof. Fernando Luis Fertonani, S\u00e3o Paulo State University, Institute of Biosciences, Languages and Exact Sciences, S\u00e3o Jos\u00e9 do Rio Preto, Brazil Editors Prof. Antonio Eduardo Mauro, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Prof. Horacio Heinzen, University of the Republic, Faculty of Chemistry, Montevideo, Uruguay Prof. Marcos Carlos de Mattos, Federal University of Cear\u00e1, Center of Sciences, Fortaleza, Brazil Prof. Maria C\u00e9lia Bertolini, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Prof. Patr\u00edcia Hatsue Suegama, Federal University of Grande Dourados, Faculty of Exact and Technological Sciences, Dourados, Brazil Prof. Paulo Clairmont Feitosa Lima Gomes, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Editorial Board Prof. Bayardo Baptista Torres, University of S\u00e3o Paulo, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Enric Brillas, University of Barcelona, Faculty of Chemistry, Barcelona, Spain Prof. Francisco de Assis Leone, University of S\u00e3o Paulo, Faculty of Philosophy, Sciences and Literature, Ribeir\u00e3o Preto, Brazil Prof. Ivano Gerardt Rolf Gutz, University of S\u00e3o Paulo, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Jairton Dupont, Federal University of Rio Grande do Sul, Institute of Chemistry, Porto Alegre, Brazil Prof. Jos\u00e9 Ant\u00f4nio Maia Rodrigues, University of Porto, Faculty of Sciences, Porto, Portugal Prof. Lauro Kubota, University of Campinas, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Massuo Jorge Kato, University of S\u00e3o Paulo, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Roberto Santana da Silva, University of S\u00e3o Paulo, Faculty of Pharmaceutical Sciences, Ribeir\u00e3o Preto, Brazil Prof. Ver\u00f3nica Cort\u00e9s de Zea Bermudez, University of Tr\u00e1s-os-Montes and Alto Douro, School of Life and Environmental Sciences, Vila Real, Portugal EDITORIAL PRODUCTION Ctrl K Produ\u00e7\u00e3o Editorial \u2013 Araraquara, Brazil digite@ctrlk.com.br http://revista.iq.unesp.br/ojs/index.php/ecletica/index", "mime": "application/pdf"}, {"id": "ecletica-1251", "words": "609", "extension": ".pdf", "flesch": "48", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial", "date": "2021", "keywords": "neto; prof", "summary": "| Vol. 46 | special issue 1 | 2021 | Editorial This volume honors Prof. Jo\u00e3o Ruggiero Neto and Prof. M\u00e1rcio Francisco Colombo, two experimental physicists who made relevant contributions to Biophysics\u2019 development in the worldwide scientific community. On his part, Prof. Ruggiero Neto had worked along with drug intercalation and condensation of DNA molecules, with phase transition on lipidic mono and bilayers and on the membrane lytic activity of peptides.", "mime": "application/pdf"}, {"id": "ecletica-1253", "words": "39", "extension": ".pdf", "flesch": "-80", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Database", "date": "2021", "keywords": "database", "summary": "Database iq.unesp.br/ecletica Citation databases: Ecletica Quim. http://revista.iq.unesp.br/ojs/index.php/ecletica/index http://bit.do/EQJ_CAS https://www.scopus.com/sourceid/23521 https://doaj.org/toc/1678-4618 http://www.speciation.net/Database/Journals/Ecletica-Quimica-Journal-;i1882 https://scholar.google.com.br/citations?hl=pt-BR&user=-J-pPugAAAAJ&authuser=1 https://www.redib.org/recursos/Record/oai_revista5161-ecl%C3%A9tica-qu%C3%ADmica https://www.redalyc.org/revista.oa?id=429 https://www.latindex.org/latindex/ficha?folio=16477 https://biblat.unam.mx/pt/revista/ecletica-quimica https://inis.iaea.org/search/search.aspx?orig_q=journal:%22ISSN%200100-4670%22", "mime": "application/pdf"}, {"id": "ecletica-1254", "words": "3564", "extension": ".pdf", "flesch": "49", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Author guidelines", "date": "2021", "keywords": "authors; data; eclet; guidelines; information; letter; manuscript; quim", "summary": "Authors\u2019 contribution We request authors to include author contributions according to CRediT taxonomy standardized contribution descriptions. CRediT f. Articles in education in chemistry and chemistry-correlated areas Research manuscript related to undergraduate teaching in Chemistry and innovative experiences in undergraduate and graduate education.", "mime": "application/pdf"}, {"id": "ecletica-1255", "words": "219", "extension": ".pdf", "flesch": "18", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Summary", "date": "2021", "keywords": "jos\u00e9", "summary": "30 Danilo da Silva Olivier, Graziely Ferreira Cespedes, Wallance Moreira Pazin, Eduardo Maffud Cilli, Amando Siuiti Ito Purification and characterization of embryo-specific soy urease (Glycine max) and its antifungal potential against Paracoccidioides brasiliensis ............................................................................................................. 41 Elis\u00e2ngela Andrade \u00c2ngelo, Tain\u00e1 Michelle da Cruz, Jos\u00e9 Renato Pattaro J\u00fanior, Daniele Maria Zanzarin, Franciele Abigail Vilugron Rodrigues, Eduardo Jorge Pilau, \u00c9rika Seki Kioshima, Maria Aparecida Fernandez, Flavio Augusto Vicente Seixas Production and biochemical characterization of xylanases synthesized by the thermophilic fungus Rasamsonia emersonii S10 by solid-state cultivation .................................................................................... 53 J\u00e9ssica de Araujo Zanoni, Isabela Brunozi de Oliveira, Olavo Micali Perrone, Julieth Ordu\u00f1a Ortega, Maur\u00edcio Boscolo, Eleni Gomes, Gustavo Orlando Bonilla-Rodriguez Antioxidative activity of gold and platinum nanoparticles assessed through electron spin resonance ....... 68 Angela Kinoshita, Iara Lima, \u00c9der Jos\u00e9 Guidelli, Oswaldo Baffa Filho Metallo-stannosilicates as inorganic supports to immobilization of lipase from Thermomyces lanuginosus for biodiesel production ..........................................................................................................................................", "mime": "application/pdf"}, {"id": "ecletica-1257", "words": "8754", "extension": ".pdf", "flesch": "44", "author": "Sakita, Alan Massayuki Perdizio; Noce, Rodrigo Della", "title": "Low-cost water-in-salt electrolytes for electrochemical energy storage applications: a short review", "date": "2022", "keywords": "aqueous; batteries; cost; electrolyte; energy; et al; ion; mol; salt; supercapacitors; voltage; wang; water; wises", "summary": "The same idea employed to LiTFSI was applied to different alkaline salts, e.g., acetates (Chen et al., 2020a; b; J. Han et al., 2018; 2020a; b; Leonard et al., 2018; Lukatskaya et al., 2018; Stigliano et al., 2021; Thareja and Kumar, 2021), formats (T. Liu et al., 2019; S. Liu et al., 2022), perchlorates (Bu et al., 2019a; b; Dou et al., 2019; Lithium-free mixed WISSEs were recently evaluated by J. Han et al. (2020b) that also employed acetate salts to prepare the electrolytes.", "mime": "application/pdf"}, {"id": "ecletica-126", "words": "3194", "extension": ".pdf", "flesch": "-28", "author": "Oliveira Silva, Orlando; dos Santos, Elane Cristina Louren\u00e7o; Lopez, Ana Maria Queijeiro", "title": "Water dams for use in drip irrigation in the city of penedo / Al: physico-chemical and biological quality", "date": "2014", "keywords": "com; concentra\u00e7\u00e3o; dab; dae; de2; deb; dee; dem; den; don; dos; em/; ferro; figura; nas; n\u00e3o; para; phb; que/; qu\u00edmica", "summary": "que/ -\u00fa(/ mg\u201cL/ representam/ um/ alto/ riscoP/ [-\u00b0]\u00fa/ tamb\u00e9m/ classif caram/ as/ \u00e1guas/ de/ irriga\u00e7\u00e3o/ em/ fun\u00e7\u00e3o/ dos/ teores/ de/ ferro/ que/ apresentam/ risco/ de/ entupimento/ dos/ emissores\u00fa/ sendo/ seus/ crit\u00e9rios/ sensivelmente/diferentes\u00fa/ou/seja\u00fa/\u00e1guas/com/teores/de/ ferro/ total/ menor/ do/ que/ \u201d\u00fa(/ mg\u201cL/ apresentam/ baixo/ risco/de/obstru\u00e7\u00e3o\u00fa/enquanto/\u00e1guas/com/teores/de/ferro/ total/ compreendidos/ entre/ \u201d\u00fa(/ a/ -\u00fa\u00f4/ mg\u201cL/ apresentam/ risco/moderado\u00fa/e/aquelas/com/teores/maiores/do/que/ -\u00fa\u00f4/mg\u201cL/apresentam/alto/riscoP/ \u00e0oram/ not\u00f3rias/ as/ incrusta\u00e7\u00f5es/ de/ hidr\u00f3xido/ f\u00e9rrico\u00fa/ em/ equipamentos/ ao/ longo/ do/ sistema/ de/ irriga\u00e7\u00e3o/ por/ gotejamento\u00fa/ ocorrendo/ estas/ devido/ \u00e0/ precipita\u00e7\u00e3o/ de/ \u00e0eRE \u00edferro/ oxidadoD/ ou/ devido/ \u00e0/ forma\u00e7\u00e3o/ de/ compostos/ f\u00e9rricos/ quando/ da/ passagem/ pelo/tubo/aerador/e/no/percurso/ao/longo/dos/canais/de/ irriga\u00e7\u00e3oP Hlgumas/ bact\u00e9rias/ f lamentosas\u00fa/ como/ jallionella/e/Leptotrhix\u00fa/oxidam/o/\u00e0eR\u00f4 transformandoho/ em/\u00e0eRE\u00fa para/obterem/energia\u00fa/e/este/pode/precipitarhse/ 85Ecl\u00e9tica Qu\u00edmica, 37, 79-86, 2012 emLN httpLFFwwwfsindacucargalfcomfbrFhistoricofhtmfN \u00f3cessadoNemN9CNdeNjulhoNdeN9Cvvf [8]N z\u00c2\u00ea\u00f3\u00c2g\u00ed\u00f3\u00ea\u00ed\u00b0)WN NessaE mesmaE ocasi\u00e3oE foiE detectadaE aE presen\u00e7aE deE ferroE sol\u00favelE /\u00eaeE 5Tx\u00f5E J\u00e1E nosE mesesE deE baixoE \u00edndiceE pluviom\u00e9trico-E comoE \u00f3FE eE ((QT\u00f3\u00f3(-E aE +\u00f5\u00e0E apresentou6seE maisE alta-E possivelmenteE devidoE aE evapora\u00e7\u00e3oE eE capta\u00e7\u00e3oE deE \u00e1guaE paraE osE sistemasE deE irriga\u00e7\u00e3o\u00f5E Portanto-E j\u00e1E eramE esperadasE poss\u00edveisE interfer\u00eanciasEparaEosEdadosEdeE+\u00f5\u00e0EdasEamostras-EvistoE queE compostosE org\u00e2nicosE deE origemE vegetalE estariamE presentesEnaEbarragem\u00f5 08/00 09/00 09/01 10/01 11/01 10,0 12,5 15,0 17,5 20,0 22,5 25,0 C .E .g( m S/ m ) DatasgdasgColetas P1Sg P1Mg P1F 08/00 09/00 09/01 10/01 11/01 0 20 40 60 80 100 120 140 160 S. T. D. g(m g/ L) DatasgdasgColetas P1Sg P1Mg P1F 83Ecl\u00e9tica Qu\u00edmica, 37, 79-86, 2012 aqu\u00e1tico/] mas] tamb\u00e9m] por] perdas] para] a] atmosfera/] mineraliza\u00e7\u00e3o]da]mat\u00e9ria]org\u00e2nica]e]oxida\u00e7\u00e3o]de] \u00edons] [N6]0] Dmbora] n\u00e3o] seja] um] par\u00e2metro] utilizado] na] caracteriza\u00e7\u00e3o] da] qualidade] da] \u00e1gua] para] irriga\u00e7\u00e3o/] \u00e9] uma]vari\u00e1vel]qu\u00edmica]importante/]pois]permite]detectar] os]efeitos]dos]res\u00edduos]oxid\u00e1veis]sobre]\u00e1guas]receptoras] e] a] ef ci\u00eancia] do] tratamento] dos] esgotos] durante] a] oxida\u00e7\u00e3o] bioqu\u00edmica0] S] Resolu\u00e7\u00e3o] n\u00b0] -L(CMOOL] do] 9ONSMS]", "mime": "application/pdf"}, {"id": "ecletica-1261", "words": "279", "extension": ".pdf", "flesch": "-27", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial board", "date": "2021", "keywords": "brazil; prof", "summary": "| Editorial Team Editor-in-Chief Prof. Assis Vicente Benedetti, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Editors Prof. Antonio Eduardo Mauro, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Prof. Horacio Heinzen, University of the Republic, Faculty of Chemistry, Montevideo, Uruguay Prof. Marcos Carlos de Mattos, Federal University of Cear\u00e1, Center of Sciences, Fortaleza, Brazil Prof. Maria C\u00e9lia Bertolini, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Prof. Patr\u00edcia Hatsue Suegama, Federal University of Grande Dourados, Faculty of Exact and Technological Sciences, Dourados, Brazil Prof. Paulo Clairmont Feitosa Lima Gomes, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Editorial Board Prof. Bayardo Baptista Torres, University of S\u00e3o Paulo, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Enric Brillas, University of Barcelona, Faculty of Chemistry, Barcelona, Spain Prof. Francisco de Assis Leone, University of S\u00e3o Paulo, Faculty of Philosophy, Sciences and Literature, Ribeir\u00e3o Preto, Brazil Prof. Ivano Gerardt Rolf Gutz, University of S\u00e3o Paulo, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Jairton Dupont, Federal University of Rio Grande do Sul, Institute of Chemistry, Porto Alegre, Brazil Prof. Jos\u00e9 Ant\u00f4nio Maia Rodrigues, University of Porto, Faculty of Sciences, Porto, Portugal Prof. Lauro Kubota, University of Campinas, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Massuo Jorge Kato, University of S\u00e3o Paulo, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Roberto Santana da Silva, University of S\u00e3o Paulo, Faculty of Pharmaceutical Sciences, Ribeir\u00e3o Preto, Brazil Prof. Ver\u00f3nica Cort\u00e9s de Zea Bermudez, University of Tr\u00e1s-os-Montes and Alto Douro, School of Life and Environmental Sciences, Vila Real, Portugal EDITORIAL PRODUCTION Ctrl K Produ\u00e7\u00e3o Editorial \u2013 Araraquara, Brazil digite@ctrlk.com.br http://revista.iq.unesp.br/ojs/index.php/ecletica/index Editorial Team iq.unesp.br/ecletica", "mime": "application/pdf"}, {"id": "ecletica-1262", "words": "427", "extension": ".pdf", "flesch": "44", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial", "date": "2021", "keywords": "issue", "summary": "Follow, it is described unknown volatile chemicals present in the in natura leaves of two Casearia sylvestris populations from Atlantic Forest and Cerrado compared to the composition of dried leaf essential oil. Completes this issue, the description of an important methodology based on artificial intelligence that can be used to evaluate a big issue in biorefineries, that is solid impurity in raw sugarcane, which requires a high-frequency, low-cost, and noninvasive method.", "mime": "application/pdf"}, {"id": "ecletica-1263", "words": "39", "extension": ".pdf", "flesch": "-80", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Database", "date": "2021", "keywords": "database", "summary": "Database iq.unesp.br/ecletica Citation databases: Ecletica Quim. http://revista.iq.unesp.br/ojs/index.php/ecletica/index http://bit.do/EQJ_CAS https://www.scopus.com/sourceid/23521 https://doaj.org/toc/1678-4618 http://www.speciation.net/Database/Journals/Ecletica-Quimica-Journal-;i1882 https://scholar.google.com.br/citations?hl=pt-BR&user=-J-pPugAAAAJ&authuser=1 https://www.redib.org/recursos/Record/oai_revista5161-ecl%C3%A9tica-qu%C3%ADmica https://www.redalyc.org/revista.oa?id=429 https://www.latindex.org/latindex/ficha?folio=16477 https://biblat.unam.mx/pt/revista/ecletica-quimica https://inis.iaea.org/search/search.aspx?orig_q=journal:%22ISSN%200100-4670%22", "mime": "application/pdf"}, {"id": "ecletica-1264", "words": "3563", "extension": ".pdf", "flesch": "49", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Author guidelines", "date": "2021", "keywords": "authors; data; eclet; guidelines; information; letter; manuscript; quim", "summary": "Authors\u2019 contribution We request authors to include author contributions according to CRediT taxonomy standardized contribution descriptions. CRediT f. Articles in education in chemistry and chemistry-correlated areas Research manuscript related to undergraduate teaching in Chemistry and innovative experiences in undergraduate and graduate education.", "mime": "application/pdf"}, {"id": "ecletica-1265", "words": "169", "extension": ".pdf", "flesch": "32", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Summary", "date": "2021", "keywords": "santos", "summary": "33 Thalles Pedrosa Lisboa, Luiza Conforte da Silva Lemos, Fillipe Caitano Calzavara, Beatriz Silva Barbosa, Gabriela Ezura Baia, Davi Marques de Farias, Lucas Vinicius de Faria, Maria Auxiliadora Costa Matos, J\u00falio C\u00e9sar Jos\u00e9 da Silva, Marcone Augusto Leal de Oliveira Geographical chemical variability and processing oxidation of volatile compounds of Casearia sylvestris leaves ................................................................................................................................................................. 17 Daniel Augusto Barra de Oliveira, Edenilson dos Santos Niculau ORIGINAL ARTICLES Ecofriendly and low-cost sample preparation methods for magnesium determination in beer .................", "mime": "application/pdf"}, {"id": "ecletica-1266", "words": "7958", "extension": ".pdf", "flesch": "43", "author": "Souza, Josiane Carneiro; Martins, Tiago Almeida; de Oliveira, Regiane Cristina; Sambrano, Julio Ricardo; Mendon\u00e7a, Cleber Renato; de Boni, Leonardo; Leite, Edson Roberto; Longo, Elson", "title": "Performance and stability of femtosecond laser-irradiated Fe2O3 materials as photocatalysts for methylene blue dye discoloration", "date": "2022", "keywords": "ephei; et al; fe2o3; irradiation; materials; phase; photocatalytic; samples; treatment", "summary": "Authors\u2019 contribution Conceptualization: Souza, J. C.; Martins, T. A.; Oliveira, R. C.; Sambrano, J. R.; Boni, L.; Mendon\u00e7a, C. R.; Leite, E. R.; Longo, E. Data curation: Not applicable. Formal Analysis: Souza, J. C.; Martins, T. A.; Oliveira, R. C.; Boni, L. Funding acquisition: Mendon\u00e7a, C. R.; Leite, E. R.; Longo, E. Investigation: Souza, J. C.; Martins, T. A.; Oliveira, R. C.; Sambrano, J. R. Methodology: Souza, J. C.; Martins, T. A.; Boni, L. Project administration: Leite, E. R.; Longo, E. Resources: Souza, J. C.; Martins, T. A.; Oliveira, R. C.; Boni, L.; Mendon\u00e7a, C. R.; Leite, E. R.; Longo, E. Software: Not applicable Supervision: Longo, E. Validation: Souza, J. C.; Martins, T. A.; Oliveira, R. C.; Sambrano, J. R Mendon\u00e7a, C. R.; Boni, L. Visualization: Souza, J. C.; Martins, T. A.; Oliveira, R. C.; Sambrano, J. R Mendon\u00e7a, C. R.; Boni, L. Writing \u2013 original draft: Souza, J. C.; Martins, T. A.; Oliveira, R. C.; Sambrano, J. R.; Boni, L.; Mendon\u00e7a, C. R.; Leite, E. R.; Longo, E. Writing \u2013 review & editing: Souza, J. C.; Martins, T. A.; Oliveira, R. C.; Sambrano, J. R.; Boni, L.; Mendon\u00e7a, C. R.; Leite, E. R.; Longo, E. Data availability statement All data sets were generated or analyzed in the current study Funding Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior (CAPES).", "mime": "application/pdf"}, {"id": "ecletica-1267", "words": "5236", "extension": ".pdf", "flesch": "51", "author": "da Trindade, Let\u00edcia Guerreiro; Zanchet, Let\u00edcia; da Silva, Bianca Lins Zambon; Longo, Elson; Mazzo, Tatiana Martelli", "title": "Influence of Zr-metal-organic framework coupling on the morphology and photoelectrochemical properties of SnO2", "date": "2022", "keywords": "129; et al; mof; samples; smof50; sno2; trindade", "summary": "2016, 38, 132\u2013140. https://doi.org/10.1016/j.jiec.2016.04.014 Bashar, H.; Bhuiyan, M. M. H.; Hossain, M. R.; Kabir, F.; Rahaman, M. S.; Manir, M. S.; Ikegami, T. Study on combination of natural red and green dyes to improve the power conversion efficiency of dye sensitized solar cells. In this work, we investigated the effect of the coupling of the Zr-metal-organic framework (MOF) and SnO2 and its potential for application as photoelectrode in solar cells.", "mime": "application/pdf"}, {"id": "ecletica-1269", "words": "5483", "extension": ".pdf", "flesch": "42", "author": "Teodoro, Vin\u00edcius; Longo, Elson; Zaghete, Maria Aparecida; Perazolli, Leinig Antonio", "title": "Influence of Cu-doped TiO2 on its structural and photocatalytic properties", "date": "2022", "keywords": "anatase; chem; doping; emission; et al; phase; raman; rutile; samples; tio2", "summary": "Figure 3a shows the PL spectra of bare and Cu-doped TiO2 samples. In order to investigate the contribution of defects for PL emissions in bare and Cu-doped TiO2 samples, deconvolution of emission bands was performed using the PeakFit v.4 software.", "mime": "application/pdf"}, {"id": "ecletica-127", "words": "2495", "extension": ".pdf", "flesch": "60", "author": "Obasi, Lawrence Nnamdi; Ukoha, Pius O.; Chah, Kennedy F.; Anaga, Aruh O.", "title": "Synthesis, spectroscopic characterization and antibacterial screening of novel N-(benzothiazol-2-yl)ethanamides", "date": "2011", "keywords": "n-(benzothiazol-2; stretching; yl)trichloroethanamide", "summary": "Compound Calculated % Found % C H N S C H N S [5] N-(benzothiazol-2- yl)trichloroethanamide N-(benzothiazol-2- yl)chloroethanamide Assignment cm -1 cm -1 3397 (br) 3404 (br) N-H stretching frequency 2980 (s) 2925 (s) 2750 (sh) 2853 (sh) C-H stretching frequency 1644 (s) 1600 (m) C=O stretching frequency 1565 (s) 1583 (s) Aromatic ring C=C stretching frequency 1485 (s) 1457 (s) 1376 (m) 1377 (s)", "mime": "application/pdf"}, {"id": "ecletica-1272", "words": "4523", "extension": ".pdf", "flesch": "44", "author": "Santos, Jeziel Rodrigues dos; Oliveira, Osmair Vital de; Viegas, Rafael Giordano; Santos, Jos\u00e9 Divino dos; Longo, Elson", "title": "Comparative study of benznidazole encapsulation in boron nitride and carbon nanotubes: A quantum chemistry study", "date": "2022", "keywords": "bnnt; bnz; bnz@bnnt; cnt; complexes; nanotubes; santos", "summary": "Technol. 2019, 51, 700\u2013707. https://doi.org/10.1016/j.jddst.2019.04.005 Soares Sobrinho, J. L.; Soares, M. F. de L. R.; Torres Labandeira, J. J.; Alves, L. D. S.; Rolim Neto, P. J. Improving the solubility of the antichagasic drug benznidazole through formation of inclusion complexes with cyclodextrins. https://doi.org/10.1590/S0100-40422011000900010 Stewart Computational Chemistry; Stewart, J. J. P.: Colorado Springs, 2016.", "mime": "application/pdf"}, {"id": "ecletica-1273", "words": "12721", "extension": ".pdf", "flesch": "53", "author": "Milagre, Cintia Duarte de Freitas; do Amaral, Bruno Sergio; Batista Junior, Jo\u00e3o Marcos; Vilela, Adriana Ferreira Lopes; Cardoso, Carmen L\u00facia; Milagre, Humberto Marcio Santos", "title": "Levetiracetam analogs: chemoenzymatic synthesis, absolute configuration assignment and evaluation of cholinesterase inhibitory activities", "date": "2022", "keywords": "cdcl3; ch2; ch3; levetiracetam; mhz; n.r; nitrile; nmr; reaction; substrate; synthesis; yield", "summary": "Although NHase is largely employed for the industrial production of acrylamide and nicotinamide (Jiao et al., 2020; Wang, 2015), the application of the wild-type enzyme can be limited by its narrow substrate specificity, low enantioselectivity, unsatisfactory catalytic activity, inhibition at a high concentration of substrate and low thermostability (Bhalla et al., 2018; Gong et al., 2017; Prasad and Bhalla, 2010; Supreetha et al., 2019; Wang, 2009). https://revista.iq.unesp.br/index.php/ecletica https://doi.org/10.26850/1678-4618eqj.v47.2.2022.p17-35 mailto:cintia.milagre@unesp.br https://orcid.org/0000-0001-5627-8616 https://orcid.org/0000-0001-6194-2390 https://orcid.org/0000-0002-0267-2631 https://orcid.org/0000-0001-9860-9866 https://orcid.org/0000-0001-6239-6651 https://orcid.org/0000-0001-9468-1166 Original article revista.iq.unesp.br 18 Ecl\u00e9tica Qu\u00edmica Journal, vol. 47, n. 2, 2022, 17-35 ISSN: 1678-4618 DOI: 10.26850/1678-4618eqj.v47.2.2022.p17-35 1. Introduction N-heterocycles are a key structural unit, which are vastly distributed among natural products and biomolecules, such as DNA and RNA, and correspond to more than 70% of all pharmaceuticals and agrochemicals (Liu et al., 2019; Saini et al., 2013).", "mime": "application/pdf"}, {"id": "ecletica-1275", "words": "5070", "extension": ".pdf", "flesch": "36", "author": "Gabriel, Arthur Martins; Malaquias, Karla da Silva; Cristovan, Fernando Henrique; Arantes, Tatiane Moraes", "title": "Catalytic potential of titanium oxide and gold dopped titanium oxide nanoparticles in the selectivity benzyl alcohol oxidation", "date": "2022", "keywords": "alcohol; benzaldehyde; benzyl; et al; gold; nanoparticles; oxidation; tio2; tio2 nanoparticles", "summary": "Thus, this work aimed to study the catalytic potential of these nanomaterials through the oxidation of benzyl alcohol, for which TiO2 nanoparticles synthesized by the hydrothermal method and decorated with gold nanoparticles obtained by the Turkevich method (TiO2/Au) were used. TiO2 nanoparticles maintain the macroscopic material characteristics such as low cost, nontoxicity and resistance to chemical erosion, in addition to presenting catalytic and photocatalytic properties that do not exist in the macroscopic material (Cao et al., 2015; S. Gupta and Tripathi, 2011; Radeti\u0107, 2013; W. Zhao et al., 2021).", "mime": "application/pdf"}, {"id": "ecletica-1277", "words": "8373", "extension": ".pdf", "flesch": "43", "author": "Silva, Walqu\u00edria Joseane; Andrade Neto, Nivaldo Freire; Paskocimas, Carlos Alberto; Ruiz, Juan Alberto Chaves; Carvalho, Fab\u00edola Correa; Longo, Elson; da Motta, Fabiana Villela; Delmonte, Maur\u00edcio Roberto Bomio", "title": "Activated carbon from pumpkin seeds: Production by simultaneous carbonization activation for occupational respiratory protection", "date": "2022", "keywords": "acid; activator; adsorption; analysis; biomass; carbon; carbonization; chemical; et al; fig; material; process; samples; surface", "summary": "+55 84 33422406, Email address: nfandraden@gmail.com ARTICLE INFO Article history: Received: July 21, 2021 Accepted: October 26, 2021 Published: April 11, 2022 Keywords: 1. activated carbon 2. pumpkin seeds 3. simultaneous carbonization-activation 4. high adsorption capacity Section Editors: Elson Longo and Juan Manuel Andr\u00e9s Bort ABSTRACT: Activated carbon materials are derived from carbonaceous sources and used as a technological element for various industrial purposes. Due to this context and to enhance sustainability concepts and human health in the production of materials, this study aimed to produce activated carbon from an abundant agricultural waste in the northeast Brazil through a route that not only favors its simultaneous carbonization and activation but also its thermal neutralization.", "mime": "application/pdf"}, {"id": "ecletica-1278", "words": "5325", "extension": ".pdf", "flesch": "42", "author": "Trench, Aline Barrios; Teodoro, Vin\u00edcius; da Trindade, Let\u00edcia Guerreiro; Machado, Thales Rafael; Minguez-Vega, Gladys; Cordoncillo, Eloisa; Do\u00f1ate-Buend\u00eda, Carlos; Andr\u00e9s, Juan; Longo, Elson", "title": "High photocatalytic activity of Ag/Ag3PO4:W heterostructure formed by femtosecond laser irradiation", "date": "2022", "keywords": "ag3po4; formation; irradiation; nanoparticles; photocatalytic; sample", "summary": "According to the group theory analysis, the cubic phase of Ag3PO4 structure presents 20 30 40 50 60 70 80 90 100 (4 3 1 ) https://doi.org/10.1016/j.jiec.2014.10.043 Zwara, J.; Grabowska, E.; Klimczuk, T.; Lisowski, W.; Zaleska-Medynska, A. Shape-dependent enhanced photocatalytic effect under visible light of Ag3PO4 particles.", "mime": "application/pdf"}, {"id": "ecletica-128", "words": "3487", "extension": ".pdf", "flesch": "72", "author": "Rodrigues, Emanuel Carlos; Soares, Layciane Aparecida; Modenes Junior, Marco Antonio; de Sene, Jeosadaque Jos\u00e9; Bannach, Gilbert; de Carvalho, Claudio Teodoro; Ionashiro, Massao", "title": "Synthesis and characterization of Fe(III)-doped ceramic membranes of titanium dioxide and its application in photoelectrocatalysis of a textile dye", "date": "2011", "keywords": "curves; dsc; dta; ecl; paulo; qu\u00edm; s\u00e3o; tio2", "summary": "[3] J. J. Sene, N. R. Stradiotto, W. A. Zeltner, M. A. Anderson, W. Zhou, Sens. Actuators, B 87 (2002) 268. J. Photoenergy. 2008 (2008) 1. E. C. Rodrigues, L. A. Soares, M. A. Modenes, J. J. Sene, G. Bannach, C. T. Carvalho e M. Ionashiro.", "mime": "application/pdf"}, {"id": "ecletica-1280", "words": "5500", "extension": ".pdf", "flesch": "46", "author": "Gouveia, Amanda Fernandes; Bellucci, Gustavo Venancio; Ribeiro, Lara Kelly; Assis, Marcelo; Rosa, Ieda L\u00facia Viana; Longo, Elson; Andr\u00e9s, Juan; San-Miguel, Miguel Angel", "title": "Surfactant effects in the morphology and the photocatalytic activity of the BaMoO4 crystals", "date": "2022", "keywords": "bamoo4; crystals; fig; morphology; presence; sds; structure; synthesis", "summary": "https://doi.org/10.1021/acs.jpcc.8b01898 Oliveira, M. C.; Gracia, L.; Nogueira, I. C.; Gurgel, M. F. C.; Mercury, J. M. R.; Longo, E.; Andres, J. On the morphology of BaMoO4 crystals: A theoretical and experimental approach. This paper discloses the effect of the surfactant sodium dodecyl sulfate (SDS) in the morphology and the photocatalytic activity of BaMoO4 crystals.", "mime": "application/pdf"}, {"id": "ecletica-1282", "words": "5582", "extension": ".pdf", "flesch": "51", "author": "Pinatti, Ivo Mateus; de Foggi, Camila Cristina; Teodoro, Marcio Daldin; Longo, Elson; Sim\u00f5es, Alexandre Zirpoli; Rosa, Ieda L\u00facia Viana", "title": "YVO4:RE (RE = Eu, Tm, and Yb/Er) nanoparticles synthesized by the microwave-assisted hydrothermal method for photoluminescence application", "date": "2022", "keywords": "emission; figure; nanoparticles; pinatti; yvo4", "summary": "Figure 7d shows the HRTEM image of YVO4 nanoparticles. https://revista.iq.unesp.br/index.php/ecletica https://doi.org/10.26850/1678-4618eqj.v47.1SI.2022.p39-49 Original article revista.iq.unesp.br 45 Ecl\u00e9tica Qu\u00edmica Journal, vol. 47, special issue 1, 2022, 39-49 ISSN: 1678-4618 DOI: 10.26850/1678-4618eqj.v47.1SI.2022.p39-49 Figure 7. (a, b) FE-SEM images, (c) TEM image, and (d) HRTEM image of YVO4 nanoparticles.", "mime": "application/pdf"}, {"id": "ecletica-1283", "words": "9277", "extension": ".pdf", "flesch": "46", "author": "Assis, Marcelo; Oliveira, Marisa Carvalho de; Gouveia, Amanda Fernandes; Ribeiro, Lara Kelly; Rosa, Ieda Lucia Viana; Ribeiro, Renan Augusto Pontes; Andr\u00e9s, Juan; Longo, Elson", "title": "Luminescence and structural properties of Ca1-xZrO3:Eux: An experimental and theoretical approach", "date": "2022", "keywords": "cations; cazro3; cze; doping; emission; et al; eu3; m. a.; oliveira; properties; ribeiro; samples; structure", "summary": "Authors\u2019 contribution Conceptualization: Assis, M.; Oliveira, M. C.; Gouveia, A. F.; Ribeiro, R. A. P. Data curation: Assis, M.; Ribeiro, R. A. P.; Bort, J. M. A.; Longo, E. Formal Analysis: Assis, M.; Oliveira, M. C.; Gouveia, A. F.; Ribeiro, L. K.; Ribeiro, R. A. P. Funding acquisition: Rosa, I. L. V.; Ribeiro, R. A. P.; Bort, J. M. A.; Longo, E. Investigation: Assis, M.; Oliveira, M. C.; Gouveia, A. F.; Ribeiro, L. K.; Ribeiro, R. A. P. Methodology: Assis, M.; Oliveira, M. C. Project administration: Bort, J. M. A.; Longo, E. Resources: Rosa, I. L. V.; Ribeiro, R. A. P.; Bort, J. M. A.; Longo, E. Software: Oliveira, M. C.; Gouveia, A. F.; Ribeiro, R. A. P.; Bort, J. M. A. Supervision: Rosa, I. L. V.; Ribeiro, R. A. P.; Bort, J. M. A.; Longo, E. Validation: Assis, M.; Oliveira, M. C.; Gouveia, A. F.; Ribeiro, R. A. P. Visualization: Assis, M.; Oliveira, M. C.; Gouveia, A. F.; Ribeiro, R. A. P. Writing \u2013 original draft: Assis, M.; Oliveira, M. C.; Gouveia, A. F.; Ribeiro, L. K.; Ribeiro, R. A. P. Writing \u2013 review & editing: Assis, M.; Oliveira, M. C.; Gouveia, A. F.; Ribeiro, L. K.; Ribeiro, R. A. P. Data availability statement", "mime": "application/pdf"}, {"id": "ecletica-1284", "words": "4005", "extension": ".pdf", "flesch": "41", "author": "Cruz, Andreza de Faria Alves; Dias, Gabriella Pinho; Bittencourt, Fl\u00e1via de Rezende; Aranda, Donato Alexandre Gomes", "title": "Separation of lactic acid and by-products obtained by catalytic conversion of glycerol using high-performance liquid chromatography", "date": "2022", "keywords": "acid; glycerol; lactic; method; reaction", "summary": "| 2022 | 74 Ecl\u00e9tica Qu\u00edmica Journal, vol. 47, n. 2, 2022, 74-81 ISSN: 1678-4618 DOI: 10.26850/1678-4618eqj.v47.2.2022.p74-81 Separation of lactic acid and by-products obtained by catalytic conversion of glycerol using high-performance liquid chromatography Andreza de Faria Alves Cruz1+ , Gabriella Pinho Dias1 , Fl\u00e1via de Rezende Bittencourt1 , Donato Alexandre Gomes Aranda1 1. Lactic acid is an attractive raw material in synthesizing many products.", "mime": "application/pdf"}, {"id": "ecletica-1285", "words": "10326", "extension": ".pdf", "flesch": "50", "author": "Silva, Sheila Marques; Silva, Carolina Paiva Nascimento; Silva, Thiago de Carvalho; Rezende, Mirabel Cerqueira; Botelho, Edson Cocchieri; Costa, Michelle Leali", "title": "Studies of curing cycle of carbon fiber/epoxy resins (8552\u00ae and M21\u00ae) prepregs based on thermal and rheological analyses", "date": "2022", "keywords": "c min\u20131; cure; curing; dsc; epoxy; et al; heating; heating rate; m21; min\u20131; prepreg; rate; reaction; resin; temperature", "summary": "Thermoset polymers, such as epoxy resins, are the most commonly used in composites for aerospace, adhesives, hardware components, coatings and due to their good adhesion properties and thermal stability coupled with sufficient chemical resistance. The curing reaction of epoxy resin with amine hardeners leads to formation of two main reactions: secondary amine and tertiary amine formation.", "mime": "application/pdf"}, {"id": "ecletica-1286", "words": "3585", "extension": ".pdf", "flesch": "48", "author": "Figueiredo, Mariana Pires; Constantino, Vera Regina Leopoldo", "title": "K4Nb6O17 layered hexaniobate: revisiting the proton-exchanged reaction", "date": "2022", "keywords": "constantino; exchange; hexaniobate; k4nb6o17; x)nb6o17", "summary": "Authors\u2019 contribution Conceptualization: Constantino, V. R. L. Data curation: Figueiredo, M. P.; Constantino, V. R. L. Formal Analysis: Figueiredo, M. P. Funding acquisition: Constantino, V. R. L. http://revista.iq.unesp.br/ojs/index.php/ecletica/index https://doi.org/10.26850/1678-4618eqj.v47.2SI.2022.p30-36 Original article revista.iq.unesp.br 35 Ecl\u00e9tica Qu\u00edmica Journal, vol. 47, special issue 2, 2022, 30-36 ISSN: 1678-4618 DOI: 10.26850/1678-4618eqj.v47.2SI.2022.p30-36 Investigation: References Bizeto, M. A; Constantino, V. R. L.; Structural Aspects and Thermal Behavior of the Proton Exchanged Layered Niobate K4Nb6O17.", "mime": "application/pdf"}, {"id": "ecletica-1287", "words": "8750", "extension": ".pdf", "flesch": "45", "author": "Fons\u00eaca, Mateus Cottorello; Marasco J\u00fanior, C\u00e9sar Augusto; Dias, Di\u00f3genes dos Santos; da Silva, Jo\u00e3o Pedro; Lamarca, Rafaela Silva; Ribeiro, Cl\u00f3vis Augusto; Pires, Lorena Oliveira; Lima Gomes, Paulo Clairmont Feitosa", "title": "Sugarcane bagasse biochar pellets for removal of caffeine, norfloxacin, and ciprofloxacin in aqueous samples", "date": "2022", "keywords": "adsorption; bagasse; biochar; caf; et al; l\u20131; removal; sewage; sugarcane; surface; temperature; torrefaction", "summary": "CAF removal efficiency (%) t (h) Biochar sample BG260C BG270C BG280C BG290C 10 89.61 92.50 92.84 90.29 24 88.25 93.53 91.82 89.95 https://revista.iq.unesp.br/index.php/ecletica https://doi.org/10.26850/1678-4618eqj.v47.2.2022.p82-96 Original article revista.iq.unesp.br 92 Ecl\u00e9tica Qu\u00edmica Journal, vol. 47, n. 2, 2022, 82-96 ISSN: 1678-4618 DOI: 10.26850/1678-4618eqj.v47.2.2022.p82-96 3.7.2 Adsorption of the pharmaceutical compounds on biochar pellets in lab-made sewage The BG280C biochar was chosen as the adsorbent material. Characterization of sugarcane bagasse biochar samples using thermogravimetric and proximate analyses demonstrated the presence of lignin and cellulose as the main constituents after the thermochemical conversion.", "mime": "application/pdf"}, {"id": "ecletica-129", "words": "2018", "extension": ".pdf", "flesch": "63", "author": "Marinho, Andrey Moacir do Rosario ; Marinho, Patr\u00edcia Santana Barbosa ; Rodrigues Filho, Edson; Ferreira, Izabel Cristina Piloto", "title": "Policet\u00eddeos isolados de Penicillium herquei", "date": "2011", "keywords": "citrinina; com; dos; foram; subst\u00e2ncias; s\u00e3o", "summary": "Os compostos foram isolados por procedimentos cromatogr\u00e1ficos e identificados por m\u00e9todos espectrais de RMN 1D e 2D e EM. As subst\u00e2ncias foram adicionadas nas culturas de promastigotas com 4x106 cel/mL nas concentra\u00e7\u00f5es de 320 a 0,125 \u00b5g/mL solubilizados em DMSO e incubados a 25 \u00b0C por 24 h. Ap\u00f3s esse per\u00edodo os parasitas sobreviventes foram contados em c\u00e2mara de Neubauer e comparados com controles, os quais continham somente DMSO.", "mime": "application/pdf"}, {"id": "ecletica-1291", "words": "8616", "extension": ".pdf", "flesch": "42", "author": "dos Santos, \u00c9rica Luiz; Floh, Eny Iochevet Segal; Kato, Massuo Jorge", "title": "Biosynthesis of tetrahydrobenzofuran neolignans in somatic embryos of Ocotea catharinensis", "date": "2022", "keywords": "13c; 5\u2019\u2013methoxy; acetate; acid; analysis; armenin; catharinensis; embryos; hplc; incorporation; neolignans; nmr; porosin", "summary": "https://doi.org/10.1007/s10086\u2013007\u20130892\u2013x Teles, M. M. R. S.; Pinheiro, A. A. V.; Dias, C. S.; Tavares, J. F.; Barbosa Filho, J. M.; Cunha, E. V. L. Alkaloids of the Lauraceae. 2.10 HPLC profile of somatic embryo extracts The chromatographic profile of the extracts from the embryos was analyzed by HPLC using the standards compounds isolated from O. catharinensis embryos.", "mime": "application/pdf"}, {"id": "ecletica-1292", "words": "5874", "extension": ".pdf", "flesch": "47", "author": "Gouveia, Amanda Fernandes; Ribeiro, Lara Kelly; Assis, Marcelo; Longo, Elson; Andr\u00e9s, Juan; Pontes, Fenelon Martinho Lima", "title": "Analysis of the Pb0.30CaxSryTiO3 ternary system: The effect of Ca2+ and Sr2+ cations on the electrical properties of PbTiO3", "date": "2022", "keywords": "cations; films; pcst; pontes; sr2; structure; system", "summary": "The interest in ferroelectric thin films, especially thin films based on lead (Pb), such as PbTiO3 (PT) is motivated by its potential applications as nonvolatile ferroelectric memory devices, an application based on the long retention period of the polarization and low polarization fatigue (L\u00e1zaro et al., 2005; C. Yang et al., 2021). 5, there is a similarity between the spectra of thin films and ST, assuming three infrared active modes for the cubic structure, much more than that for the system CT, in which the mode identified by c is not present in any sample of PCST thin films (Tab. 3).", "mime": "application/pdf"}, {"id": "ecletica-1294", "words": "279", "extension": ".pdf", "flesch": "-27", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial board", "date": "2021", "keywords": "brazil; prof", "summary": "| Editorial Team Editor-in-Chief Prof. Assis Vicente Benedetti, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Editors Prof. Antonio Eduardo Mauro, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Prof. Horacio Heinzen, University of the Republic, Faculty of Chemistry, Montevideo, Uruguay Prof. Marcos Carlos de Mattos, Federal University of Cear\u00e1, Center of Sciences, Fortaleza, Brazil Prof. Maria C\u00e9lia Bertolini, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Prof. Patr\u00edcia Hatsue Suegama, Federal University of Grande Dourados, Faculty of Exact and Technological Sciences, Dourados, Brazil Prof. Paulo Clairmont Feitosa Lima Gomes, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Editorial Board Prof. Bayardo Baptista Torres, University of S\u00e3o Paulo, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Enric Brillas, University of Barcelona, Faculty of Chemistry, Barcelona, Spain Prof. Francisco de Assis Leone, University of S\u00e3o Paulo, Faculty of Philosophy, Sciences and Literature, Ribeir\u00e3o Preto, Brazil Prof. Ivano Gerardt Rolf Gutz, University of S\u00e3o Paulo, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Jairton Dupont, Federal University of Rio Grande do Sul, Institute of Chemistry, Porto Alegre, Brazil Prof. Jos\u00e9 Ant\u00f4nio Maia Rodrigues, University of Porto, Faculty of Sciences, Porto, Portugal Prof. Lauro Kubota, University of Campinas, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Massuo Jorge Kato, University of S\u00e3o Paulo, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Roberto Santana da Silva, University of S\u00e3o Paulo, Faculty of Pharmaceutical Sciences, Ribeir\u00e3o Preto, Brazil Prof. Ver\u00f3nica Cort\u00e9s de Zea Bermudez, University of Tr\u00e1s-os-Montes and Alto Douro, School of Life and Environmental Sciences, Vila Real, Portugal EDITORIAL PRODUCTION Ctrl K Produ\u00e7\u00e3o Editorial \u2013 Araraquara, Brazil digite@ctrlk.com.br http://revista.iq.unesp.br/ojs/index.php/ecletica/index Editorial Team iq.unesp.br/ecletica", "mime": "application/pdf"}, {"id": "ecletica-1296", "words": "39", "extension": ".pdf", "flesch": "-80", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Database", "date": "2021", "keywords": "database", "summary": "Database iq.unesp.br/ecletica Citation databases: Ecletica Quim. http://revista.iq.unesp.br/ojs/index.php/ecletica/index http://bit.do/EQJ_CAS https://www.scopus.com/sourceid/23521 https://doaj.org/toc/1678-4618 http://www.speciation.net/Database/Journals/Ecletica-Quimica-Journal-;i1882 https://scholar.google.com.br/citations?hl=pt-BR&user=-J-pPugAAAAJ&authuser=1 https://www.redib.org/recursos/Record/oai_revista5161-ecl%C3%A9tica-qu%C3%ADmica https://www.redalyc.org/revista.oa?id=429 https://www.latindex.org/latindex/ficha?folio=16477 https://biblat.unam.mx/pt/revista/ecletica-quimica https://inis.iaea.org/search/search.aspx?orig_q=journal:%22ISSN%200100-4670%22", "mime": "application/pdf"}, {"id": "ecletica-1297", "words": "3563", "extension": ".pdf", "flesch": "49", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Author guidelines", "date": "2021", "keywords": "authors; data; eclet; guidelines; information; letter; manuscript; quim", "summary": "Authors\u2019 contribution We request authors to include author contributions according to CRediT taxonomy standardized contribution descriptions. CRediT f. Articles in education in chemistry and chemistry-correlated areas Research manuscript related to undergraduate teaching in Chemistry and innovative experiences in undergraduate and graduate education.", "mime": "application/pdf"}, {"id": "ecletica-1298", "words": "144", "extension": ".pdf", "flesch": "30", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Summary", "date": "2021", "keywords": "editorial; summary", "summary": "38 Alexandra Novak, F\u00e1tima Yubero, Diana Diez-P\u00e9rez-N\u00fa\u00f1ez, Fernando Luis Fertonani, Brenda Gisselle Da Silva Britez, Yenny Gonzalez Variability levels of selected amino acids among mandarins produced in Uruguay .................................. 47 Sof\u00eda Rezende, Sabrina Banchero, Ignacio Migues, Mar\u00eda Veronica Cesio, Carlos Fernando Rivas, Horacio Heinzen, Mar\u00eda Natalia Besil Effect of the deformation parameter on the nonrelativistic energy spectra of the q-deformed Hulthen- quadratic exponential-type potential ........................................................................................................... 60 Ushie Patrick Obogo, Ofem Egbe Ubi, Collins Okon Edet, Akpan Ndem Ikot http://revista.iq.unesp.br/ojs/index.php/ecletica/index", "mime": "application/pdf"}, {"id": "ecletica-1299", "words": "7182", "extension": ".pdf", "flesch": "47", "author": "Benatto, Victoria Gabriela; Fabris, Guilherme da Silva Lopes; Sambrano, Julio Ricardo; Taft, Carlton Anthony; La Porta, Felipe de Almeida", "title": "Influence of structural disorder on the photocatalytic properties of ZnS nanocrystals prepared by the one-pot solvothermal approach", "date": "2022", "keywords": "chem; et al; nanocrystals; porta; samples; size; zns", "summary": "Among the materials proposed for this purpose, the zinc sulfide (ZnS) semiconductor materials have a wide bandgap of about 3.6 eV and exhibit highly tunable chemical and physical properties as well as unique functionalities for a huge variety of emerging technologies (Chen et al., 2010; Hussain et al., 2017; Ippen et al., 2014; Jellison et al., 1986; La Porta et al., 2014a; Lee and Wu, 2017; Lin et al., 2019; Sultana et al., 2018; Xiao et al., 2016; Zhang et al., 2013; Ziegler et al., 2008). Therefore, with that in mind, based on the solvothermal protocols developed by Varela and coauthors (La Porta et al., 2013b; 2014a), this study has modified them to obtain single-crystalline ZnS spheric nanoparticles from the alteration of (zinc acetate/thiourea) precursor concentrations.", "mime": "application/pdf"}, {"id": "ecletica-130", "words": "4909", "extension": ".pdf", "flesch": "66", "author": "Pereira, Simone de F\u00e1tima Pinheiro; Pires, Ot\u00edlio Othon; Saraiva, Augusto Fonseca; Oliveira, Geiso Rafael; de Sousa Junior, Pedro Moreira; Miranda, Rafaella Galv\u00e3o; e Silva, Cleber Silva; Sales, Reginaldo da Silva", "title": "Distribui\u00e7\u00e3o de elementos t\u00f3xicos no estu\u00e1rio do rio Amazonas", "date": "2011", "keywords": "0,18; amazonas; amostras; canal; com; dos; ecl; elementos; foi; foz; norte; para; par\u00e1; paulo; que; qu\u00edm; rio; sul; s\u00e3o; uma", "summary": "A espectrometria de emiss\u00e3o at\u00f4mica com plasma indutivamente acoplado (ICPAES) foi utilizada para avaliar os teores de Al, Mn e Pb e a espectrofotometria de absor\u00e7\u00e3o at\u00f4mica com gera\u00e7\u00e3o de hidretos (HGAAS) foi usada para a an\u00e1lise do As. O estudo da exatid\u00e3o foi realizado com a an\u00e1lise do material padr\u00e3o de refer\u00eancia de \u00e1gua de rio", "mime": "application/pdf"}, {"id": "ecletica-1300", "words": "8237", "extension": ".docx", "flesch": "58", "author": "Morandim-Giannetti, Andreia de Ara\u00fajo; Felippe, Lidiane Gaspareto; dos Santos, V\u00e2nia Aparecida de Freitas Formenton Macedo; Kato, Massuo Jorge; Furlan, Maysa", "title": "Phenylalanine ammonia lyase: new insights from Piperaceae species", "date": "2022", "keywords": "a. a.; a. m.; acid; activity; c. m.; et al; furlan; kato; lignin; m. j.; m. m.; pal; phenylalanine; piper; species", "summary": "https://doi.org/10.1055/s-0032-1320332 Batista, A. N. L.; Santos-Pinto, J. R. A. D.; Batista Junior, J. M.; Souza-Moreira, T. M.; Santoni, M. M.; Zanelli, C. F.; Kato, M. J.; L\u00f3pez, S. N.; Furlan, M. The Combined Use of Proteomics and Transcriptomics Reveals a Complex Secondary Metabolite Network in Peperomia obtusifolia. Sci. 2017, 53 (1), e15210. https://doi.org/10.1590/s2175-97902017000115210 Danelutte, A. P.; Lago, J. H. G.; Young, M. C. M.; Kato, M. J. Antifungal flavanones and prenylated hydroquinones from Piper crassinervium Kunth.", "mime": "application/vnd.openxmlformats-officedocument.wordprocessingml.document"}, {"id": "ecletica-1301", "words": "3787", "extension": ".pdf", "flesch": "43", "author": "Deo, Leonardo Pratvieira", "title": "Ni-Nb-Zr metastable phases formation, a thermodynamic and chemical approach.", "date": "2022", "keywords": "alloy; crystalline; deo; energy; formation; gibbs; nucleation; phases", "summary": "The solidification always starts from a high-energy precursor, i.e., liquid phase, and there has not been a clear and detailed understanding of the effects causing the formation of the metastable structures from the viewpoint of thermodynamics, neither clear insight related to chemical and physical origins in order to lead to a tendency of metastable phases formation (C. Wang and Yang, 2005). Chemical hypothesis for metastable formation Another complementary point of view about metastable phases formation is concerned to alloy chemical composition.", "mime": "application/pdf"}, {"id": "ecletica-1306", "words": "3635", "extension": ".pdf", "flesch": "40", "author": "Cunha, Carlos Eduardo Peixoto; Rodrigues, Edson Silvio Batista; Oliveira Neto, Jer\u00f4nimo Raimundo de ; Somerset, Vernon; Taveira, Steph\u00e2nia; Sgobbi, L\u00edvia Fl\u00f3rio; Gil, Eric de Souza", "title": "Voltammetric glassy carbon sensor approach for the extended stability studies of doxorubicin in lyophilized dosage form", "date": "2022", "keywords": "dox; doxorubicin; hplc; injection; methods; voltammetric", "summary": "Nonetheless, it is necessary to carry out stability control after reconstitution of the lyophilized powder for DOX injection to ensure the drug\u2019s efficacy and safety (Navas et al., 2013; Radi, 2003; Rodrigues et al., 2018). DOX stability after reconstitution was performed, and the correct time for safe administration to patients in hospitals was determined.", "mime": "application/pdf"}, {"id": "ecletica-1307", "words": "4754", "extension": ".pdf", "flesch": "26", "author": "Guilherme, Luis Henrique; Fugivara, Cecilio Sadao; Benedetti, Assis Vicente", "title": "On-site weld quality assessment and qualification for stainless steels tanks", "date": "2022", "keywords": "chemical; corrosion; current; guilherme; level; passivation; site; surface; tank", "summary": "The ASME BPE recommends the use of electrochemical techniques to field services as an in situ advanced inspection, being specifically suggested the application of the electrochemical impedance spectroscopy (EIS) to assess the rouge contamination and the cyclic potentiodynamic polarization (CPP) to assess the level of surface passivation. On-site cyclic polarization tests were performed and confirmed the increase of passivation level of treated surface.", "mime": "application/pdf"}, {"id": "ecletica-1308", "words": "7031", "extension": ".pdf", "flesch": "41", "author": "Ntui, Tabe Ntui; Osabor, Vincent Ndem ; Neji, Peter Amba; Akpe, Michael Akomaye ; Agwupuye, John Akwagiobe; Adalikwu, Stephen Adie ; Gber, Terkumbur Emmanuel ; Andrew, Bitrus Hyelavalada; Ugbaja, Uduak", "title": "Experimental, DFT study, and in silico molecular docking investigations of dichlorodiphenyltrichloroethane against human estrogen receptor alpha", "date": "2022", "keywords": "agwupuye; analysis; cm\u20131; ddt; docking; electron; energy; interaction; molecule; orbital", "summary": "https://doi.org/10.1016/j.heliyon.2021.e07531 Frisch, M. J.; Trucks, G. W.; Schlegel, H. B.; Scuseria, G. E.; Robb, M. A.; Cheeseman, J. R.; Scalmani, G.; Barone, V.; Mennucci, B.; Petersson, G. A.; Nakatsuji, H.; Caricato, M.; Li, X.; Hratchian, H. P.; Izmaylov, A. F.; Bloino, J.; Zheng, G.; Sonnenberg, J. L.; Hada, M.; Ehara, M.; Toyota, K.; Fukuda, R.; Hasegawa, J.; Ishida, M.; Nakajima, T.; Honda, Y.; Kitao, O.; Nakai, H.; Vreven, T.; Montgomery Jr., J. A.; Peralta, J. E.; Ogliaro, F.; Bearpark, M.; Heyd, J. J.; Brothers, E.; Kudin, K. N.; Staroverov, V. N.; Kobayashi, R.; Normand, J. ; Raghavachari, K.; Rendell, A.; Burant, J. C.; Iyengar, S. S.; Tomasi, J.; Cossi, M.; Rega, N.; Millam, J. M.; Klene, M.; Knox, J. E.; Cross, J. B.; Bakken, V.; Adamo, C.; Jaramillo, J.; Gomperts, R.; Stratmann, R. E.; Yazyev, O.; Austin, A. J.; Cammi, R..; Pomelli, C.; Ochterski, J. W.; Martin, R. L.; Morokuma, K.; Zakrzewski, V. G.; Voth, G. A.; Salvador, P.; Dannenberg, J. J.; Dapprich, S.; Daniels, A. D.; Farkas, \u00d6.; Foresman, J. B.; Ortiz, J. V.; Cioslowski, J.; Fox, D. J. Gaussian 09 (Gaussian, Inc., Wallingford CT, 2009). References Agwupuye, J. A.; Louis, H.; Enudi, O. C.; Unimuke, T. O.; Edim, M. M. Theoretical insight into electronic and molecular properties of halogenated (F, Cl, Br) and hetero- atom (N, O, S) doped cyclooctane.", "mime": "application/pdf"}, {"id": "ecletica-131", "words": "3887", "extension": ".pdf", "flesch": "61", "author": "Gomes, Silvana Vieira Floresta; Nogueira, Paulo Cesar de Lima; Moraes, Val\u00e9ria Regina de Souza", "title": "Aspectos qu\u00edmicos e biol\u00f3gicos do g\u00eanero Lippia enfatizando Lippia gracilis Schauer", "date": "2011", "keywords": "citriodora; como; de l.; esp\u00e9cies; gracilis; graveolens; lippia; paulo; qu\u00edm; s\u00e3o", "summary": "Atualmente existe um grande n\u00famero de estudos fitoqu\u00edmicos e farmacol\u00f3gicos de L. alba (Mill.) In\u00fameras esp\u00e9cies de Lippia s\u00e3o empregadas na medicina tradicional no tratamento de patologias diversas e, como resultado, muitas t\u00eam sido investigadas do ponto de vista farmacol\u00f3gico revelando importantes propriedades tais como, a\u00e7\u00e3o sedativa, antiespam\u00f3dica, estom\u00e1quica, antiinflamat\u00f3ria e antipir\u00e9tica de L. alba (Mill.)", "mime": "application/pdf"}, {"id": "ecletica-1311", "words": "279", "extension": ".pdf", "flesch": "-74", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial board", "date": "2022", "keywords": "brazil; prof", "summary": "| Vol. 47 | n. 1 | 2022 | Editorial Team Editor-in-Chief Prof. Assis Vicente Benedetti, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Editors Prof. Antonio Eduardo Mauro, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Prof. Horacio Heinzen, University of the Republic, Faculty of Chemistry, Montevideo, Uruguay Prof. Marcos Carlos de Mattos, Federal University of Cear\u00e1, Center of Sciences, Fortaleza, Brazil Prof. Maria C\u00e9lia Bertolini, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Prof. Patr\u00edcia Hatsue Suegama, Federal University of Grande Dourados, Faculty of Exact and Technological Sciences, Dourados, Brazil Prof. Paulo Clairmont Feitosa Lima Gomes, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Editorial Board Prof. Bayardo Baptista Torres, University of S\u00e3o Paulo, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Enric Brillas, University of Barcelona, Faculty of Chemistry, Barcelona, Spain Prof. Francisco de Assis Leone, University of S\u00e3o Paulo, Faculty of Philosophy, Sciences and Literature, Ribeir\u00e3o Preto, Brazil Prof. Ivano Gerardt Rolf Gutz, University of S\u00e3o Paulo, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Jairton Dupont, Federal University of Rio Grande do Sul, Institute of Chemistry, Porto Alegre, Brazil Prof. Jos\u00e9 Ant\u00f4nio Maia Rodrigues, University of Porto, Faculty of Sciences, Porto, Portugal Prof. Lauro Kubota, University of Campinas, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Massuo Jorge Kato, University of S\u00e3o Paulo, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Roberto Santana da Silva, University of S\u00e3o Paulo, Faculty of Pharmaceutical Sciences, Ribeir\u00e3o Preto, Brazil Prof. Ver\u00f3nica Cort\u00e9s de Zea Bermudez, University of Tr\u00e1s-os-Montes and Alto Douro, School of Life and Environmental Sciences, Vila Real, Portugal EDITORIAL PRODUCTION Ctrl K Produ\u00e7\u00e3o Editorial \u2013 Araraquara, Brazil digite@ctrlk.com.br http://revista.iq.unesp.br/ojs/index.php/ecletica/index Editorial Team iq.unesp.br/ecletica", "mime": "application/pdf"}, {"id": "ecletica-1312", "words": "416", "extension": ".pdf", "flesch": "29", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial", "date": "2022", "keywords": "editorial", "summary": "In the next paper, the degradation of the ciprofloxacin antimicrobial in aqueous solution is described applying degradation advanced processes such as direct photocatalysis and photoperoxidation using Fe3-xO4-y-TiO2 particles as catalyst. So, a possible way to improve the solubility is the cocrystallization screening using different cocrystal formers as described in the last article of this issue.", "mime": "application/pdf"}, {"id": "ecletica-1313", "words": "39", "extension": ".pdf", "flesch": "-80", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Database", "date": "2022", "keywords": "database", "summary": "Database iq.unesp.br/ecletica Citation databases: Ecletica Quim. http://revista.iq.unesp.br/ojs/index.php/ecletica/index http://bit.do/EQJ_CAS https://www.scopus.com/sourceid/23521 https://doaj.org/toc/1678-4618 http://www.speciation.net/Database/Journals/Ecletica-Quimica-Journal-;i1882 https://scholar.google.com.br/citations?hl=pt-BR&user=-J-pPugAAAAJ&authuser=1 https://www.redib.org/recursos/Record/oai_revista5161-ecl%C3%A9tica-qu%C3%ADmica https://www.redalyc.org/revista.oa?id=429 https://www.latindex.org/latindex/ficha?folio=16477 https://biblat.unam.mx/pt/revista/ecletica-quimica https://inis.iaea.org/search/search.aspx?orig_q=journal:%22ISSN%200100-4670%22", "mime": "application/pdf"}, {"id": "ecletica-1314", "words": "3563", "extension": ".pdf", "flesch": "49", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Author guidelines", "date": "2022", "keywords": "authors; data; eclet; guidelines; information; letter; manuscript; quim", "summary": "Authors\u2019 contribution We request authors to include author contributions according to CRediT taxonomy standardized contribution descriptions. CRediT f. Articles in education in chemistry and chemistry-correlated areas Research manuscript related to undergraduate teaching in Chemistry and innovative experiences in undergraduate and graduate education.", "mime": "application/pdf"}, {"id": "ecletica-1315", "words": "136", "extension": ".pdf", "flesch": "34", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Summary", "date": "2022", "keywords": "catalyst; summary", "summary": "55 Ismael Laurindo Costa Junior, Kevin Augusto Ferreira, Cesar Augusto Kappes, Renata Mello Giona Screening of coformers for quercetin cocrystals through mechanochemical methods....... 64 Fayene Zeferino Ribeiro de Souza, Amanda Cosmo de Almeida, Patr\u00edcia Osorio Ferreira, Richard Perosa Fernandes, Fl\u00e1vio Junior Caires http://revista.iq.unesp.br/ojs/index.php/ecletica/index 40 Mohamed Jabha, Abdellah El Alaoui, Abdellah Jarid, El Houssine Mabrouk Photoperoxidation of ciprofloxacin antibiotic in aqueous medium using Fe3-XO4-Y-TiO2 particles as catalyst ..............................................................................................................", "mime": "application/pdf"}, {"id": "ecletica-132", "words": "3862", "extension": ".pdf", "flesch": "43", "author": "dos Santos, Patr\u00edcia Tatiana Ara\u00fajo; Dias, J.; de Lima, Ver\u00f4nica Evangelista; de Oliveira, Marciel Jos\u00e9; Neto, L. J. A.; Celestino, Vit\u00f3ria de Queir\u00f3s", "title": "Lixo e reciclagem como tema motivador no ensino de qu\u00edmica", "date": "2011", "keywords": "alunos; ambiental; coleta; com; como; comunidade; dos; ecl; ensino; escola; foi; lixo; papel; para; paulo; que; qu\u00edmica; reciclagem; sobre; s\u00e3o; tamb\u00e9m; uma; \u00f3leo", "summary": "Os resultados obtidos no segundo per\u00edodo de coleta seletiva (meses de julho e agosto) est\u00e3o apresentados na Tabela 2, conforme levantamento feito pelos alunos. Demonstrativo da quantidade de materiais coletados nos meses de julho e agosto recolhidos em coleta seletiva na Escola de Olivedos.", "mime": "application/pdf"}, {"id": "ecletica-1322", "words": "5576", "extension": ".pdf", "flesch": "42", "author": "Adeoye, Moriam Dasola; Oyebamiji, Abel Kolawole; Ashiru, Mojeed Ayoola; Adigun, Rasheed Adewale; Olalere, Olabisi Hadijat; Semire, Banjo", "title": "Biological evaluation of selected metronidazole derivatives as anti-nitroreductase via in silico approach", "date": "2022", "keywords": "compounds; drug; et al; oyebamiji; properties; protein", "summary": "2. More so, the HOMO \u03c0-electrons are delocalized on the 5-nitroimidazole ring in compounds A, B, D and E, delocalized on the entire molecules in compound F, but localized on thiophenylethyl substituent of compound C. However, the LUMO \u03c0-electrons are more localized on the nitro (NO2) group substituent of the nitroimidazole ring in compounds A, B, D, E and F, but are more localized on the 5-nitroimidazole ring in compound C. This attests to studied compounds\u2019 intramolecular charge transfer characteristic properties (Kulh\u00e1nek et al., 2012). Compounds D and E are noninhibitors and nonsubstrate for cytochrome P450 2C9, P450 2D6, P450 2C19 with the same efficient calculated binding affinity (\u201321.3 kJ mol\u20131) and inhibition constant (7.8) comparable to the standard compound A. https://revista.iq.unesp.br/index.php/ecletica https://doi.org/10.26850/1678-4618eqj.v47.4.2022.p27-36 mailto:abeloyebamiji@gmail.com https://orcid.org/0000-0002-1274-9452 https://orcid.org/0000-0002-8932-6327 https://orcid.org/0000-0002-6742-4698 https://orcid.org/0000-0002-9588-4966 https://orcid.org/0000-0001-6885-0253 https://orcid.org/0000-0002-4173-9165 Original Article revista.iq.unesp.br 28 Ecl\u00e9tica Qu\u00edmica Journal, vol. 47, n. 4, 2022, 27-36 ISSN: 1678-4618 DOI: 10.26850/1678-4618eqj.v47.4.2022.p27-36 1.", "mime": "application/pdf"}, {"id": "ecletica-1325", "words": "8318", "extension": ".pdf", "flesch": "34", "author": "Medeiros, Pedro Vin\u00edcius Costa; Theophilo, Paulo Henrique Medeiros; Lopes, Gisele Simone; Ribeiro, L\u00edvia Paulia Dias", "title": "Second-generation ethanol: concept, production and challenges", "date": "2023", "keywords": "acid; biomass; cellulose; et al; ethanol; fermentation; hemicellulose; hydrolysis; lignin; pretreatment; production; review; sugars; use", "summary": "Cabral, M. M. S.; Abud, A. K. S.; Silva, C. E. F.; Almeida, R. M. R. G. Bioethanol production from coconut husk fiber. Antunes, D. P. C.; Viana, V. L.; Santos, M. C. S.; Soares, E. L. S.; Barbosa, K. L.; Moura, K. L.; Vieira, R. C.; Almeida, R. M. R. G. Produ\u00e7\u00e3o de bioetanol de segunda gera\u00e7\u00e3o a partir do hidrolisado do albedo da laranja como fonte de biomassa lignocelul\u00f3sica.", "mime": "application/pdf"}, {"id": "ecletica-1329", "words": "8598", "extension": ".pdf", "flesch": "52", "author": "Erazua, Ehimen Annastasia; Oyebamiji, Abel Kolawole; Akintelu, Sunday Adewale; Adewole, Pelumi Daniel; Adelakun, Adedayo; Adeleke, Babatunde Benjamin", "title": "Quantitative Structure-Activity relationship, Molecular Docking and ADMET Screening of Tetrahydroquinoline Derivatives as Anti-Small Cell Lung Cancer Agents", "date": "2023", "keywords": "cancer; compounds; descriptors; drug; et al; ic50; log; model; molecular; qsar; table; vol", "summary": "Therefore, this research was aimed at identifying the descriptors that are responsible for anti-EGFR activities thereby downregulating human lung cancer and developing valid quantitative structural relationship activity (QSAR) model using the obtained descriptors as well as observing the nonbonding interactions between the selected phytochemicals (synthesized by Fathy et al., 2020) and EGFR (PDB ID: 4LRM) 2. Methodology 2.1 Quantum Chemical Study For this study, a set of 14 tetrahydroquinoline derivatives obtained from Fathy et al. (2020) as potential anti-EGFR agents with inhibitory activities (IC50) in \u03bcmol L\u20131 (Table 1) was investigated.", "mime": "application/pdf"}, {"id": "ecletica-133", "words": "5637", "extension": ".pdf", "flesch": "69", "author": "de Freitas, Gutto Raffyson Silva; da Silva Junior, Humberto; Pereira, Francisco R\u00e9gis da Silva; de Farias, Robson Fernandes; Pereira, Francisco Claudece", "title": "An\u00e1lise de iodato em sais de cozinha", "date": "2011", "keywords": "2,0; com; concentra\u00e7\u00e3o; curva; figura; foi; hidroxilamina; io3; iodato; iodo; l-1; mol; mol l-1; nh2oh; para; paulo; que; resultados; solu\u00e7\u00e3o; s\u00e3o; uma; \u03bbmax", "summary": "Quando se incrementa a concentra\u00e7\u00e3o de iodato no meio reacional, para valor de concentra\u00e7\u00e3o de 5x10-3 mol L-1 ou superior (Figura 3B), observa-se a gera\u00e7\u00e3o de outros produtos. (B): Espectros de absor\u00e7\u00e3o UV-Vis da mistura em B-R pH 2,0 de 5,0x10-4 mol L-1 de iodato e hidroxilamina em 300 400 500 0,1 0,2 0,3 0,4 0,5 300 400 500 0,1 0,2 0,3 0,4 0,5 B a b c d A b s o rb a n c ia \u03bb (nm) I II III A a b c A b s o rb a n c ia \u03bb (nm) III II I Ecl. Qu\u00edm., S\u00e3o Paulo, 36 ,2011 105 valores de concentra\u00e7\u00e3o de: curva (a) 2,0x10-3 mol L-1, (b) 2,5x10-3 mol L-1 e (c) 3,0x10-3 mol L-1.", "mime": "application/pdf"}, {"id": "ecletica-1331", "words": "15349", "extension": ".pdf", "flesch": "30", "author": "Lupino, Jo\u00e3o Henrique Barcha ; Saito, Gustavo Pereira; Cebim, Marco Aur\u00e9lio; Davolos, Marian Rosaly", "title": "UV-protective compound-containing smart textiles: A brief overview", "date": "2023", "keywords": "activity; antibacterial; blocking; cleaning; coating; compounds; cotton; cotton fabrics; et al; fabrics; fibers; method; montazer; multifunctional; nanoparticles; organic; oxide; pet; properties; protection; review; self; surface; textile; tio2; upf; uv protection; wool; zno", "summary": "Pan et al. (2012) successfully prepared a superhydrophobic and UV blocking cotton fabric via sol- gel method and self-assembly using inexpensive and ordinary reagents, aluminum nitrate and sodium stearate. https://doi.org/10.1016/j.porgcoat.2020.105553 Pan, C.; Shen, L.; Shang, S.; Xing, Y. Preparation of superhydrophobic and UV blocking cotton fabric via sol-gel method and self-assembly.", "mime": "application/pdf"}, {"id": "ecletica-1333", "words": "279", "extension": ".pdf", "flesch": "-2", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial board", "date": "2022", "keywords": "brazil; prof", "summary": "| 2022 | Editorial Team Editor-in-Chief Prof. Assis Vicente Benedetti, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Editors Prof. Antonio Eduardo Mauro, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Prof. Horacio Heinzen, University of the Republic, Faculty of Chemistry, Montevideo, Uruguay Prof. Marcos Carlos de Mattos, Federal University of Cear\u00e1, Center of Sciences, Fortaleza, Brazil Prof. Maria C\u00e9lia Bertolini, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Prof. Patr\u00edcia Hatsue Suegama, Federal University of Grande Dourados, Faculty of Exact and Technological Sciences, Dourados, Brazil Prof. Paulo Clairmont Feitosa Lima Gomes, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Editorial Board Prof. Bayardo Baptista Torres, University of S\u00e3o Paulo, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Enric Brillas, University of Barcelona, Faculty of Chemistry, Barcelona, Spain Prof. Francisco de Assis Leone, University of S\u00e3o Paulo, Faculty of Philosophy, Sciences and Literature, Ribeir\u00e3o Preto, Brazil Prof. Ivano Gerardt Rolf Gutz, University of S\u00e3o Paulo, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Jairton Dupont, Federal University of Rio Grande do Sul, Institute of Chemistry, Porto Alegre, Brazil Prof. Jos\u00e9 Ant\u00f4nio Maia Rodrigues, University of Porto, Faculty of Sciences, Porto, Portugal Prof. Lauro Kubota, University of Campinas, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Massuo Jorge Kato, University of S\u00e3o Paulo, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Roberto Santana da Silva, University of S\u00e3o Paulo, Faculty of Pharmaceutical Sciences, Ribeir\u00e3o Preto, Brazil Prof. Ver\u00f3nica Cort\u00e9s de Zea Bermudez, University of Tr\u00e1s-os-Montes and Alto Douro, School of Life and Environmental Sciences, Vila Real, Portugal EDITORIAL PRODUCTION Ctrl K Produ\u00e7\u00e3o Editorial \u2013 Araraquara, Brazil digite@ctrlk.com.br https://revista.iq.unesp.br/index.php/ecletica", "mime": "application/pdf"}, {"id": "ecletica-1334", "words": "442", "extension": ".pdf", "flesch": "27", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial", "date": "2022", "keywords": "phases", "summary": "Metastable phases are formed when materials are produced out of the equilibrium conditions, and there is no universal knowledge related to the formation of these phases, but the understanding of metastable phases formation can produce and improve promising technological materials. Glycerol is a by-product of biodiesel obtention and its conversion to lactic acid makes the glycerol industry more profitable, since lactic acid is applied in the textile, cosmetic and food industries, in the synthesis of polylactic acid and as precursor of solvents in green chemistry.", "mime": "application/pdf"}, {"id": "ecletica-1335", "words": "39", "extension": ".pdf", "flesch": "-76", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Database", "date": "2022", "keywords": "database", "summary": "Database revista.iq.unesp.br Citation databases: Ecletica Quim. https://revista.iq.unesp.br/index.php/ecletica http://bit.do/EQJ_CAS https://www.scopus.com/sourceid/23521 https://doaj.org/toc/1678-4618 http://www.speciation.net/Database/Journals/Ecletica-Quimica-Journal-;i1882 https://scholar.google.com.br/citations?hl=pt-BR&user=-J-pPugAAAAJ&authuser=1 https://www.redib.org/recursos/Record/oai_revista5161-ecl%C3%A9tica-qu%C3%ADmica https://www.redalyc.org/revista.oa?id=429 https://www.latindex.org/latindex/ficha?folio=16477 https://biblat.unam.mx/pt/revista/ecletica-quimica https://inis.iaea.org/search/search.aspx?orig_q=journal:%22ISSN%200100-4670%22", "mime": "application/pdf"}, {"id": "ecletica-1336", "words": "3563", "extension": ".pdf", "flesch": "50", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Author guidelines", "date": "2022", "keywords": "authors; data; eclet; information; letter; manuscript; quim", "summary": "Authors\u2019 contribution We request authors to include author contributions according to CRediT taxonomy standardized contribution descriptions. CRediT f. Articles in education in chemistry and chemistry-correlated areas Research manuscript related to undergraduate teaching in Chemistry and innovative experiences in undergraduate and graduate education.", "mime": "application/pdf"}, {"id": "ecletica-1337", "words": "159", "extension": ".pdf", "flesch": "14", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Summary", "date": "2022", "keywords": "summary", "summary": "3 EDITORIAL ......................................................................................................... 4 DATABASE ......................................................................................................... 5 INSTRUCTIONS FOR AUTHORS ......................................................................... 6 ORIGINAL ARTICLES Levetiracetam analogs: chemoenzymatic synthesis, absolute configuration assignment and evaluation of cholinesterase inhibitory activities .............................................................. 17 Cintia Duarte de Freitas Milagre, Bruno Sergio do Amaral, Jo\u00e3o Marcos Batista Junior, Adriana Ferreira Lopes Vilela, Carmen L\u00facia Cardoso, Humberto Marcio Santos Milagre Separation of lactic acid and by-products obtained by catalytic conversion of glycerol using high-performance liquid chromatography ........................................................................ 74 Andreza de Faria Alves Cruz, Gabriella Pinho Dias, Fl\u00e1via de Rezende Bittencourt, Donato Alexandre Gomes Aranda Sugarcane bagasse biochar pellets for removal of caffeine, norfloxacin, and ciprofloxacin in aqueous samples............................................................................................................... 82 Mateus Cottorello Fons\u00eaca, C\u00e9sar Augusto Marasco J\u00fanior, Di\u00f3genes dos Santos Dias, Jo\u00e3o Pedro da Silva, Rafaela Silva Lamarca, Cl\u00f3vis Augusto Ribeiro, Lorena Oliveira Pires, Paulo Clairmont Feitosa de Lima Gomes Ni-Nb-Zr metastable phases formation, a thermodynamic and chemical approach ........... 97 Leonardo Pratavieira Deo https://revista.iq.unesp.br/index.php/ecletica", "mime": "application/pdf"}, {"id": "ecletica-1339", "words": "322", "extension": ".pdf", "flesch": "-41", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial board", "date": "2022", "keywords": "brazil; prof", "summary": "Editors Prof. Antonio Eduardo Mauro, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Prof. Horacio Heinzen, University of the Republic, Faculty of Chemistry, Montevideo, Uruguay Prof. Marcos Carlos de Mattos, Federal University of Cear\u00e1, Center of Sciences, Fortaleza, Brazil Prof. Maria C\u00e9lia Bertolini, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Prof. Patr\u00edcia Hatsue Suegama, Federal University of Grande Dourados, Faculty of Exact and Technological Sciences, Dourados, Brazil Prof. Paulo Clairmont Feitosa Lima Gomes, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Editorial Board Prof. Bayardo Baptista Torres, University of S\u00e3o Paulo, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Enric Brillas, University of Barcelona, Faculty of Chemistry, Barcelona, Spain Prof. Francisco de Assis Leone, University of S\u00e3o Paulo, Faculty of Philosophy, Sciences and Literature, Ribeir\u00e3o Preto, Brazil Prof. Ivano Gerardt Rolf Gutz, University of S\u00e3o Paulo, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Jairton Dupont, Federal University of Rio Grande do Sul, Institute of Chemistry, Porto Alegre, Brazil Prof. Jos\u00e9 Ant\u00f4nio Maia Rodrigues, University of Porto, Faculty of Sciences, Porto, Portugal Prof. Lauro Kubota, University of Campinas, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Massuo Jorge Kato, University of S\u00e3o Paulo, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Roberto Santana da Silva, University of S\u00e3o Paulo, Faculty of Pharmaceutical Sciences, Ribeir\u00e3o Preto, Brazil Prof. Ver\u00f3nica Cort\u00e9s de Zea Bermudez, University of Tr\u00e1s-os-Montes and Alto Douro, School of Life and Environmental Sciences, Vila Real, Portugal EDITORIAL PRODUCTION Ctrl K Produ\u00e7\u00e3o Editorial \u2013 Araraquara, Brazil digite@ctrlk.com.br https://revista.iq.unesp.br/index.php/ecletica https://revista.iq.unesp.br/index.php/ecletica | special issue 1 | 2022 | Ed itorial Team Editor-in-Chief Prof. Assis Vicente Benedetti, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Editors Section Prof. Dr. Elson Longo, S\u00e3o Paulo State University, Institute of Biosciences, Languages and Exact Sciences, S\u00e3o Jos\u00e9 do Rio Preto, Brazil Prof. Dr. Juan Manuel Andr\u00e9s Bort, University Jaume I, Department of Physical and Analytical Chemistry, Castell\u00f3, Spain.", "mime": "application/pdf"}, {"id": "ecletica-134", "words": "2747", "extension": ".pdf", "flesch": "57", "author": "Sartori, Elen Rom\u00e3o; Barbosa, Nath\u00e1lia Vieira; Faria, Ronaldo Censi; Fatibello-Filho, Orlando", "title": "Conductometric determination of propranolol hydrochloride in pharmaceuticals", "date": "2011", "keywords": "anal; method; mol; prop; propranolol; solution; s\u00e3o", "summary": "L -1 using the titrant AgNO3 solution, at the same concentration of PROP solution on the shape of the titration curve was investigated. The effect of some potential interferent compounds was investigated by addition of the different concentrations of these compounds to standard solutions containing 1.0 \u00d7 10 -3 mol L -1 of PROP solution.", "mime": "application/pdf"}, {"id": "ecletica-1340", "words": "1714", "extension": ".pdf", "flesch": "42", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial", "date": "2022", "keywords": "activity; emission; materials; samples; varela", "summary": "The mixture of irradiated \u03b1-Fe2O3 and \u03b5-Fe2O3 phases revealed lower crystallinity than irradiated \u03b1-Fe2O3 samples that together with the increase in crystallinity were crucial to improve the performance of \u03b1-Fe2O3 irradiated sample in the discoloration of MB, reaching 90% in 75 min of dye solution exposure under UV irradiation. Opening this issue, the preparation of a W-doped Ag3PO4 with high photocatalytic activity by the chemical coprecipitation method and irradiated with a femtosecond laser (FL) is described.", "mime": "application/pdf"}, {"id": "ecletica-1342", "words": "40", "extension": ".pdf", "flesch": "-84", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Database", "date": "2022", "keywords": "https://revista.iq.unesp.br/index.php/ecletica", "summary": "https://revista.iq.unesp.br/index.php/ecletica https://revista.iq.unesp.br/index.php/ecletica http://bit.do/EQJ_CAS https://www.scopus.com/sourceid/23521 https://doaj.org/toc/1678-4618 http://www.speciation.net/Database/Journals/Ecletica-Quimica-Journal-;i1882 https://scholar.google.com.br/citations?hl=pt-BR&user=-J-pPugAAAAJ&authuser=1 https://www.redib.org/recursos/Record/oai_revista5161-ecl%C3%A9tica-qu%C3%ADmica https://www.redalyc.org/revista.oa?id=429 https://www.latindex.org/latindex/ficha?folio=16477 https://biblat.unam.mx/pt/revista/ecletica-quimica https://inis.iaea.org/search/search.aspx?orig_q=journal:%22ISSN%200100-4670%22 Database revista.iq.unesp.br Citation databases: Ecletica Quim.", "mime": "application/pdf"}, {"id": "ecletica-1343", "words": "3566", "extension": ".pdf", "flesch": "50", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Author guidelines", "date": "2022", "keywords": "authors; data; eclet; guidelines; information; letter; manuscript; quim", "summary": "Authors\u2019 contribution We request authors to include author contributions according to CRediT taxonomy standardized contribution descriptions. CRediT f. Articles in education in chemistry and chemistry-correlated areas Research manuscript related to undergraduate teaching in Chemistry and innovative experiences in undergraduate and graduate education.", "mime": "application/pdf"}, {"id": "ecletica-1344", "words": "389", "extension": ".pdf", "flesch": "8", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Summary", "date": "2022", "keywords": "elson; longo", "summary": "105 Josiane Carneiro Souza, Tiago Almeida Martins, Regiane Cristina de Oliveira, Julio Ricardo Sambrano, Cleber Renato Mendon\u00e7a, Leonardo de Boni, Edson Roberto Leite, Elson Longo Influence of Zr-metal-organic framework coupling on the morphology and photoelectrochemical properties of SnO2 ............................................................................................................................................................. 120 Let\u00edcia Guerreiro da Trindade, Let\u00edcia Zanchet, Bianca Lins Zambon da Silva, Elson Longo, Tatiana Martelli Mazzo Influence of Cu-doped TiO2 on its structural and photocatalytic properties ............................................ 28 Arthur Martins Gabriel, Karla da Silva Malaquias, Fernando Henrique Cristovan, Tatiane Moraes Arantes YVO4:RE (RE = Eu, Tm, and Yb/Er) nanoparticles synthesized by the microwave-assisted hydrothermal method for photoluminescence application ................................................................................................... 39 Ivo Mateus Pinatti, Camila Cristina de Foggi, Marcio Daldin Teodoro, Elson Longo, Alexandre Zirpoli Sim\u00f5es, Ieda L\u00facia Viana Rosa Comparative study of benznidazole encapsulation in boron nitride and carbon nanotubes: A quantum chemistry study .................................................................................................................................................", "mime": "application/pdf"}, {"id": "ecletica-1348", "words": "1963", "extension": ".pdf", "flesch": "55", "author": "Milagre , Cintia Duarte de Freitas; do Amaral, Bruno Sergio; Batista Junior, Jo\u00e3o Marcos; Vilela, Adriana Ferreira Lopes; Cardoso, Carmen L\u00facia; Milagre, Humberto Marcio Santos", "title": "[Supplemental material] Levetiracetam analogs: chemoenzymatic synthesis, absolute configuration assignment and evaluation of cholinesterase inhibitory activities", "date": "2022", "keywords": "compound; figure; spectrum", "summary": "https://revista.iq.unesp.br/index.php/ecletica https://doi.org/10.26850/1678-4618eqj.v47.2.2022.p36-73 Supplementary Information revista.iq.unesp.br 63 Ecl\u00e9tica Qu\u00edmica Journal, vol. 47, n. 2, 2022, 36-73 ISSN: 1678-4618 DOI: 10.26850/1678-4618eqj.v47.2.2022.p36-73 Figure S54. https://revista.iq.unesp.br/index.php/ecletica https://doi.org/10.26850/1678-4618eqj.v47.2.2022.p36-73 Supplementary Information revista.iq.unesp.br 41 Ecl\u00e9tica Qu\u00edmica Journal, vol. 47, n. 2, 2022, 36-73 ISSN: 1678-4618 DOI: 10.26850/1678-4618eqj.v47.2.2022.p36-73 Figure S10.", "mime": "application/pdf"}, {"id": "ecletica-135", "words": "4638", "extension": ".pdf", "flesch": "58", "author": "Soares, Liliane Catone; Souza, Edward; Yoshida, Maria Irene", "title": "Estudo da reten\u00e7\u00e3o de \u00edons cromo por gibbsita e peneira molecular", "date": "2011", "keywords": "amostra; com; cromo; experimentos; foi; horas; molecular; para; paulo; peneira; por; que; qu\u00edm; realizados; reten\u00e7\u00e3o; solu\u00e7\u00e3o; solu\u00e7\u00f5es; s\u00e3o", "summary": "Neste trabalho, relatamos o emprego de gibbsita e de uma peneira molecular comercial para a reten\u00e7\u00e3o de \u00edons cromo. Infere-se, a princ\u00edpio, que a capacidade de reten\u00e7\u00e3o de \u00edons de metais de transi\u00e7\u00e3o reportada para diferentes ze\u00f3litas, guardaria uma rela\u00e7\u00e3o com a estrutura das mesmas.", "mime": "application/pdf"}, {"id": "ecletica-1350", "words": "2335", "extension": ".pdf", "flesch": "61", "author": "Santos, Jeziel Rodrigues; de Oliveira, Osmair Vital; Viegas, Rafael Giordano; dos Santos, Jos\u00e9 Divino; Longo, Elson", "title": "[Supplemental material] Comparative study of benznidazole encapsulation in boron nitride and carbon nanotubes: A quantum chemistry study", "date": "2022", "keywords": "-le; echo; nome}.dat; temp1", "summary": "cargaAb=$4 #Cargas - +2, +1, 0, -1, -2 ... grad=$5 #Gradiente procurado fatd1=1.0 #fator de D1=fatd1*D1 fatd2=1.0 #fator de D2=fatd2*D2 fatd3=1.0 #fator de D3=fatd3*D3 https://revista.iq.unesp.br/index.php/ecletica https://revista.iq.unesp.br/index.php/ecletica https://doi.org/10.26850/1678-4618eqj.v47.1SI.2022.p57-62 mailto:prof.jeziel@gmail.com http://orcid.org/0000-0002-3147-4757 http://orcid.org/0000-0001-9463-2567 http://orcid.org/0000-0002-6102-3375 http://orcid.org/0000-0002-9272-414X http://orcid.org/0000-0001-8062-7791 Supplementary Information revista.iq.unesp.br 58 Ecl\u00e9tica Qu\u00edmica Journal, vol. 47, special issue 1, 2022, 57-62 ISSN: 1678-4618 DOI: 10.26850/1678-4618eqj.v47.1SI.2022.p57-62 otimd=1.0 #otimizador de distancia otima=1.0 #otimizador de angulo otimt=1.0 #otimizador de torsao #Exemplos: if [ ${tipo} = zig ] then #Crescimento ZIG-ZAG n=` echo ${n0}|bc -l ` #numero de atomos X na base nome=nano${tipo}-${atomo1}${atomo2}-n${n}-m${m}-${metodo}-${multi}- c${carga} te=` echo scale=10;(0.0000*2*${pi}/${n})|bc -l ` #angulo inicial; zero grau dte=` echo scale=10;(2*${pi}/${n})|bc -l ` #incremento do angulo D1=`echo scale=10;${fatd1}*(2*${d}*c(${pi}/6))|bc -l ` # distancia basica X-X ra=`echo scale=10;(${D1})/(sqrt(2 - 2*c(2*${pi}/${n})))|bc -l ` #raio ZIG-ZAG #curv=`echo %6.6f %6.6f \\n, H, vx, vy, vz + 1.0)}' >> temp2 ; fi ; i=` expr ${i} + 1 ` ; done ; natH=` echo 4*${n}|bc ` ; natotal=` echo 2*${n}*${m} + ${natH}|bc `; echo ${natotal} > ${nome}-${natH}H.mol ; echo https://revista.iq.unesp.br/index.php/ecletica https://doi.org/10.26850/1678-4618eqj.v47.1SI.2022.p57-62 Supplementary Information revista.iq.unesp.br 61 Ecl\u00e9tica Qu\u00edmica Journal, vol. 47, special issue 1, 2022, 57-62 ISSN: 1678-4618 DOI: 10.26850/1678-4618eqj.v47.1SI.2022.p57-62 >> ${nome}-${natH}H.mol; cat temp1 temp2 >> ${nome}-${natH}H.mol; molden ${nome}-${natH}H.mol else ###Zigzag #rm temp1; echo > temp2; rm temp2; n=` echo ${nome}.mol|cut -d- -f3|cut - dn -f2 `; m=` echo ${nome}.mol|cut -d- -f4|cut -dm", "mime": "application/pdf"}, {"id": "ecletica-1352", "words": "7633", "extension": ".pdf", "flesch": "45", "author": "Bassey, Enyi Inah; Gber, Terkumbur Emmanuel; Ekpenyong, Edison Esther; Edet, Henry Okon; Benjamin, Innocent; Ita, Imabasi Tom", "title": "Experimental, DFT, molecular docking and in silico ADMET studies of cadmium-benzenetricarboxylates", "date": "2022", "keywords": "analysis; bond; cd(btc)(h2o)2]n; cd1; complex; docking; drug; et al; levofloxacin; ligand; protein; structure", "summary": "M.; Marenich, A. V.; Bloino, J.; Janesko.; B. G.; Gomperts, R.; Mennucci, B.; Hratchian, H. P.; Ortiz, J. V.; Izmaylov, A. F.; Sonnenberg, J. L.; Williams-Yong, D.; Ding, F.; Lipparini, F. Egidi, F.; Goings, J.; Peng, B.; Petrone, A.; Henderson, T.; Ranasinghe, D.; Zakrzewski, V. G.; Gao, J.; Rega, N.; Zheng, G.; Liang, W.; Hada, M.; Ehara, M.; Toyota, K.; Fukuda, R.; Hasagawa, J.; Ishida, M.; Nakajima, T.; Honda, Y.; Kitao, O. Nakai, H.; Vreven, T. Throssell, K.; Montgomery, J. A.; Peralta, Jr, J. E.; Ogliaro, F.; Bearpark, M. J.; Heyd, J. J.; Brothers, E. N.; Kudin, K. N.; Staroverov, V. N.; Keith, T. A.; Kobayashi, R.; Normard, J.; Raghavachari, K.; Rendell, A. P. Burant, J. C.; Iyengar, S. S.; Tomasi, J.; Cossi, M.; Millam, J. M.; Klene, M.; Adamo, C.; Cammi, R.; Ochterski, J. W. Martin, R. L.; Morokuma, K. Farkas, O.; Foresman, J. B.; and Fox, D. J.; Gaussian, Inc., Wallingford CT, 2016. https://doi.org/10.1590/1414-431x20165646 Balaban, N. Q.; Helaine, S.; Lewis, K.; Ackermann, M.; Aldridge, B.; Andersson, D. I.; Brynildsen, M. P.; Bumann, D.; Camilli, A.; Collins, J. J.; Dehio, C.; Fortune, S.; Ghigo, J.-M.; Hardt, W.-D.; Harms, A.; Heinemann, M.; Hung, D. T.; Jenal, U.; Levin, B. R.; Michiels, J.; Storz, G.; Tan, M.-W.; Tenson, T.; Van Melderen, L.; Zinkernagel, A. Definitions and guidelines for research on antibiotic persistence.", "mime": "application/pdf"}, {"id": "ecletica-1355", "words": "4214", "extension": ".pdf", "flesch": "35", "author": "Albrecht, Ingrid; da Silva, Nat\u00e1lia Coelho; Carvalho, Fl\u00e1vio Alexandre; Oda, Fernando Bombarda; dos Santos, Andr\u00e9 Gonzaga", "title": "Chemical variability of phenolic compounds in Phyllanthus niruri", "date": "2023", "keywords": "acid; contents; corilagin; gallic; min; niruri; parts", "summary": "Chemical structure of main components identified in P. niruri aerial parts. Here, the qualitative and quantitative chemical profiles of aqueous extracts from P. niruri aerial parts (six specimens) harvested during 12 months were determined.", "mime": "application/pdf"}, {"id": "ecletica-1356", "words": "5436", "extension": ".pdf", "flesch": "38", "author": "Tech, Maria Eduarda; Magalh\u00e3es, C\u00e1ssia Gon\u00e7alves; Vieira Filho, Sidney Augusto", "title": "Secondary metabolites and pharmacological potential of Thuja orientalis and T. occidentalis: A short review", "date": "2022", "keywords": "activity; essential; et al; leaves; occidentalis; oil; orientalis; potential; species; thuja", "summary": "https://doi.org/10.1080/0972060X.2019.1689177 Silva, I. S.; Nicolau, L. A. D.; Sousa, F. B. M.; Ara\u00fajo, S.; Oliveira, A. P.; Ara\u00fajo, T. S. L.; Souza, L. K. M.; Martins, C. S.; Aquino, P. E. A.; Carvalho, L. L.; Silva, R. O.; Rolim- Neto, P. J.; Medeiros, J. V. R. Evaluation of anti- inflammatory potential of aqueous extract and polysaccharide fraction of Thuja occidentalis Linn. Interestingly, the chemical profile of the essential oil of T. occidentalis leaves was similar to that of T. orientalis essential oil collected in India.", "mime": "application/pdf"}, {"id": "ecletica-136", "words": "3758", "extension": ".pdf", "flesch": "53", "author": "Rebuglio Vellosa, Jos\u00e9 Carlos; Regasini, Luiz Oct\u00e1vio; Maissar Khalil, Najeh; da Silva Bolzani, Vanderlan; Kalil, Omar Arafat Kdudsi; Manente, Francine Alessandra; Netto, Harli Pasquini ; Oliveira, Olga Maria Mascarenhas de Faria", "title": "Antioxidant and cytotoxic studies for kaempferol, quercetin and isoquercitrin", "date": "2012", "keywords": "0,00; action; cells; ecl; flavonoids; hocl; isoquercitrin; kaempferol; paulo; quercetin; qu\u00edm; s\u00e3o", "summary": "Human red blood cells toxicity Cytotoxic effects over red blood cells were evaluated by hemolytic action of the flavonoids and by the flavonoids interaction with oxidants HOCl and AAPH. HOCl scavenger action of flavonoids: flavonoid was added to the 30 \u00b5M HOCl solution and incubated by 10 minutes before revealed the remaining oxidant by 2.8 mM TMB; 1b:", "mime": "application/pdf"}, {"id": "ecletica-1360", "words": "279", "extension": ".pdf", "flesch": "-2", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial board", "date": "2022", "keywords": "brazil; prof", "summary": "| 2022 | Editorial Team Editor-in-Chief Prof. Assis Vicente Benedetti, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Editors Prof. Antonio Eduardo Mauro, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Prof. Horacio Heinzen, University of the Republic, Faculty of Chemistry, Montevideo, Uruguay Prof. Marcos Carlos de Mattos, Federal University of Cear\u00e1, Center of Sciences, Fortaleza, Brazil Prof. Maria C\u00e9lia Bertolini, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Prof. Patr\u00edcia Hatsue Suegama, Federal University of Grande Dourados, Faculty of Exact and Technological Sciences, Dourados, Brazil Prof. Paulo Clairmont Feitosa Lima Gomes, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Editorial Board Prof. Bayardo Baptista Torres, University of S\u00e3o Paulo, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Enric Brillas, University of Barcelona, Faculty of Chemistry, Barcelona, Spain Prof. Francisco de Assis Leone, University of S\u00e3o Paulo, Faculty of Philosophy, Sciences and Literature, Ribeir\u00e3o Preto, Brazil Prof. Ivano Gerardt Rolf Gutz, University of S\u00e3o Paulo, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Jairton Dupont, Federal University of Rio Grande do Sul, Institute of Chemistry, Porto Alegre, Brazil Prof. Jos\u00e9 Ant\u00f4nio Maia Rodrigues, University of Porto, Faculty of Sciences, Porto, Portugal Prof. Lauro Kubota, University of Campinas, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Massuo Jorge Kato, University of S\u00e3o Paulo, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Roberto Santana da Silva, University of S\u00e3o Paulo, Faculty of Pharmaceutical Sciences, Ribeir\u00e3o Preto, Brazil Prof. Ver\u00f3nica Cort\u00e9s de Zea Bermudez, University of Tr\u00e1s-os-Montes and Alto Douro, School of Life and Environmental Sciences, Vila Real, Portugal EDITORIAL PRODUCTION Ctrl K Produ\u00e7\u00e3o Editorial \u2013 Araraquara, Brazil digite@ctrlk.com.br https://revista.iq.unesp.br/index.php/ecletica", "mime": "application/pdf"}, {"id": "ecletica-1361", "words": "436", "extension": ".pdf", "flesch": "19", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial", "date": "2022", "keywords": "passivation", "summary": "Final, an acceptance criterion to passivation level was proposed. The Editor and members of Editorial Board of Ecl\u00e9tica Qu\u00edmica Journal want to thank the great effort developed by the Authors and Reviewers making possible this publication.", "mime": "application/pdf"}, {"id": "ecletica-1362", "words": "39", "extension": ".pdf", "flesch": "-76", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Database", "date": "2022", "keywords": "database", "summary": "Database revista.iq.unesp.br Citation databases: Ecletica Quim. https://revista.iq.unesp.br/index.php/ecletica http://bit.do/EQJ_CAS https://www.scopus.com/sourceid/23521 https://doaj.org/toc/1678-4618 http://www.speciation.net/Database/Journals/Ecletica-Quimica-Journal-;i1882 https://scholar.google.com.br/citations?hl=pt-BR&user=-J-pPugAAAAJ&authuser=1 https://www.redib.org/recursos/Record/oai_revista5161-ecl%C3%A9tica-qu%C3%ADmica https://www.redalyc.org/revista.oa?id=429 https://www.latindex.org/latindex/ficha?folio=16477 https://biblat.unam.mx/pt/revista/ecletica-quimica https://inis.iaea.org/search/search.aspx?orig_q=journal:%22ISSN%200100-4670%22", "mime": "application/pdf"}, {"id": "ecletica-1363", "words": "3563", "extension": ".pdf", "flesch": "50", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Author guidelines", "date": "2022", "keywords": "authors; data; eclet; information; letter; manuscript; quim", "summary": "Authors\u2019 contribution We request authors to include author contributions according to CRediT taxonomy standardized contribution descriptions. CRediT f. Articles in education in chemistry and chemistry-correlated areas Research manuscript related to undergraduate teaching in Chemistry and innovative experiences in undergraduate and graduate education.", "mime": "application/pdf"}, {"id": "ecletica-1368", "words": "5788", "extension": ".pdf", "flesch": "55", "author": "Fonseca, Mariana; Kobelnik, Marcelo; Fontanari, Gustavo Guadagnucci; Crespi, Marisa Spirandeli; Ribeiro, Cl\u00f3vis Augusto", "title": "Oil extraction from seeds of Carica papaya L.: Obtaining the lipid profile and thermal evaluation", "date": "2023", "keywords": "fatty; gas; heating; kobelnik; min\u20131; oil; papaya; ribeiro; thermal", "summary": "The value obtained was https://revista.iq.unesp.br/index.php/ecletica https://doi.org/10.26850/1678-4618eqj.v48.3.2023.p81-90 Original article revista.iq.unesp.br 84 Ecl\u00e9tica Qu\u00edmica, vol. 48, n. 3, 2023, 81-90 ISSN: 1678-4618 DOI: 10.26850/1678-4618eqj.v48.3.2023.p81-90 2.97 meq 1,000 g\u20131 of oil, which is low and indicates a good state of conservation of papaya seed oil. Figure 3 shows that the thermal behavior for heating and cooling of olive oil is very similar to that of papaya seed oil, which is attributed to a small difference in the composition of both oils.", "mime": "application/pdf"}, {"id": "ecletica-1369", "words": "5701", "extension": ".pdf", "flesch": "49", "author": "Jabha, Mohamed ; El Alaoui, Abdelah; Jarid, Abdellah; Mabrouk, El Houssine", "title": "Structural effect on the charge transfer and on the internal reorganization energy: Computational study", "date": "2022", "keywords": "2022; charge; crv; electron; energy; figure; oligomers; reorganization; transfer", "summary": "I. Ab initio calculation of charge localization, bond distances, and reorganization energy in model molecules. https://doi.org/10.1002/1616-3028 Burke, K.; Perdew, J. P.; Levy, M. Improving energies by using exact electron densities.", "mime": "application/pdf"}, {"id": "ecletica-137", "words": "24622", "extension": ".pdf", "flesch": "108", "author": "Castro, Jorge Ricardo Moreira; L. Branco, D.; Balbo, Valdir Roberto; de Oliveira, Marcelo Firmino; de Andrade, Jose Fernando", "title": "Determina\u00e7\u00e3o de am\u00f4nia no ar utilizando um sensor piezel\u00e9trico de quartzo", "date": "2012", "keywords": "c o; c r; c t; d e; d o; e c; e e; e f; e l; e m; e n; e o; e r; e s; l t; m o; m t; n t; o l; o r; o s; p e; p r; r d; r r; r s; s t; t e; t o; t r; u e; u t", "summary": "i s i n t e r f e r e n t e s e s t u d i n e r t e , e s c ap am p or", "mime": "application/pdf"}, {"id": "ecletica-1370", "words": "8271", "extension": ".pdf", "flesch": "37", "author": "Kazmierczak, Elton; Magalh\u00e3es, C\u00e1ssia Gon\u00e7alves; Picada Pereira, Romaiana", "title": "Antioxidant property of secondary metabolites from Garcinia genus: A short review", "date": "2023", "keywords": "2020; activity; antioxidant; compounds; dpph; et al; extract; garcinia; radical; review; species; xanthones", "summary": "https://doi.org/10.3390/biomedicines9111654 Pinto, M. M. M.; Palmeira, A.; Fernandes, C.; Resende, D. I. S. P.; Sousa, E.; Cidade, H.; Tiritan, M. E.; Correia-da-Silva, M.; Cravo, S. From Natural Products to New Synthetic Small Molecules: A Journey through the World of Xanthones. Sci. 2021, 28 (12), 7269\u20137280. https://doi.org/10.1016/j.sjbs.2021.08.038 Idris, A. E.; Seke Etet, P. F.; Saeed, A. A.; Farahna, M.; Satti, G. M. H.; AlShammari, S. Z.; Hamza, M. A. Evaluation of metabolic, antioxidant and anti-inflammatory effects of Garcinia kola on diabetic rats.", "mime": "application/pdf"}, {"id": "ecletica-1372", "words": "5793", "extension": ".pdf", "flesch": "48", "author": "Cardoso, Claudia Andrea Lima; Caram\u00e3o, Elina Bastos; Castro, Thiago Luis Aguayo de; Simionatto, Euclesio", "title": "Variation in the chemical composition of essential oils from Mangifera indica L. leaves by comprehensive two-dimensional gas chromatography", "date": "2023", "keywords": "compounds; et al; gc\u00d7gc; indica; leaves; oils; variety", "summary": "KIa KIb 1tR 2tR Compound \u2018Espada\u2019 (%) \u2018Cora\u00e7\u00e3o de boi\u2019 (%) 769 771 7.83 3.29 2-pentenol 0.05 \u00b1 0.01 - 800 800 8.50 2.02 octane 0.03 \u00b1 0.01 0.05 \u00b1 0.01 800 802 8.50 3.54 caproaldehyde 0.16 \u00b1 0.01 0.16 \u00b1 0.01 848 854 10.17 4.3 2-hexenal 2.10 \u00b1 0.10 1.00 \u00b1 0.10 852 851 10.33 3.97 3-hexen-1-ol 0.44 \u00b1 0.02 0.40 \u00b1 0.03 867 867 10.83 3.85 hexen-1-ol 0.86 \u00b1 0.03 0.81 \u00b1 0.09 867 869 10.83 3.79 santene 1.75 \u00b1 0.09 1.50 \u00b1 0.20 904 902 12.17 4.11 heptanal 0.10 \u00b1 0.01 - 929 930 13.33 3.93 \u03b1-thujene 0.06 \u00b1 0.01 0.10 \u00b1 0.01 932 939 13.50 3.5 \u03b1-pinene 1.20 \u00b1 0.10 1.01 \u00b1 0.07 946 944 14.17 2.71 valeric acid 3-methyl 0.07 \u00b1 0.01 - 975 975 15.50 3.91 sabinene 0.30 \u00b1 0.01 0.34 \u00b1 0.01 989 991 16.17 3.79 myrcene 0.21 \u00b1 0.01 1.60 \u00b1 0.10 1000 1000 16.67 3.89 m- mentha-1(7).8-diene 0.21 \u00b1 0.01 0.22 \u00b1 0.01 1006 1005 17.00 4.51 \u03b1- phellandrene 0.33 \u00b1 0.01 0.23 \u00b1 0.01 1010 1011 17.17 4.01 \u03b3-carene 4.20 \u00b1 0.10 2.70 \u00b1 0.20 1027 1031 18.00 4.14 limonene 0.99 \u00b1 0.05 1.04 \u00b1 0.08 1033 1031 18.33 5.01 \u03b2-phellandrene 0.02 \u00b1 0.01 2.80 \u00b1 0.20 1087 1087 21.00 5.22 terpinolene 0.02 \u00b1 0.01 - 1093 1089 21.30 3.21 p-cimenene 0.05 \u00b1 0.01 0.04 \u00b1 0.01 1110 1108 22.17 5.03 maltrol 0.09 \u00b1 0.01 - 1128 1128 23.00 8.03 allo-ocimene 0.09 \u00b1 0.01 - 1134 1134 23.33 5.22 1-terpineol 0.03 \u00b1 0.01 - 1141 1141 23.67 5.73 cis-verbeneol 0.12 \u00b1 0.01 0.22 \u00b1 0.01 1159 1159 24.50 5.61 karahanaenone 0.41 \u00b1 0.03 0.38 \u00b1 0.02 1176 1177 25.33 5.45 terpinen-4-ol 0.35 \u00b1 0.02 0.37 \u00b1 0.01 Continue\u2026 https://revista.iq.unesp.br/index.php/ecletica https://doi.org/10.26850/1678-4618eqj.v48.4.2023.p27-36 Original article revista.iq.unesp.br 32 Ecl\u00e9tica Qu\u00edmica, vol. 48, n. 4, 2023, 27-36 ISSN: 1678-4618 DOI: 10.26850/1678-4618eqj.v48.4.2023.p27-36 1186 1183 25.83 6.15 p-cimen-8-ol 2.00 \u00b1 0.20 2.90 \u00b1 0.20 1190 1190 26.00 3.36 neo isoverbenol 0.25 \u00b1 0.01 - 1211 1212 27.00 3.21 2.4-nonadienal 0.25 \u00b1 0.01 - 1278 1278 30.00 3.27 isopulegyl acetate 0.30 \u00b1 0.01 - 1300 1300 31.00 3.42 tridecane 0.33 \u00b1 0.02 - 1331 1330 32.50 4.85 acetate cis-piperitol 0.02 \u00b1 0.01 - 1334 1333 32.67 7.38 hexyl tiglate 0.08 \u00b1 0.01 0.40 \u00b1 0.02 1338 1339 32.83 6.59 \u03b3-elemene 0.04 \u00b1 0.01 - 1345 1344 33.17 5.77 verbenol acetate 0.08 \u00b1 0.01 0.17 \u00b1 0.01 1348 1348 33.33 6.12 7-epi -silphiperfol-5-one 0.05 \u00b1 0.01 - 1369 1368 34.33 4.51 cyclosativene 0.42\u00b1 0.02 0.42\u00b1 0.02 1372 1373 34.50 3.36 isoledene 0.39\u00b1 0.01 0.58\u00b1 0.02 1376 1376 34.67 4.73 \u03b1-copaene 0.02 \u00b1 0.01 0.04 \u00b1 0.01 1379 1379 34.83 6.02 silpheperfol-6-one 0.02 \u00b1 0.01 - 1379 1379 34.83 6.85 methyl cinnamate 0.02 \u00b1 0.01 - 1386 1391 35.17 4.67 \u03b2-elemene 2.10 \u00b1 0.20 3.10 \u00b1 0.20 1393 1393 35.50 3.55 jasmone 0.35 \u00b1 0.01 0.47 \u00b1 0.02 1397 1398 35.67 4.53 cyperene 5.00 \u00b1 0.30 7.00 \u00b1 0.30 1405 1404 36.01 4.75 methyl eugenol 0.84 \u00b1 0.04 0.84 \u00b1 0.02 1405 1406 36.01 4.85 italicene 3.50 \u00b1 0.30 2.50 \u00b1 0.10 1409 1409 36.17 5.89 \u03b1-gurjunene 0.02 \u00b1 0.01 - 1414 1417 36.33 6.61 4.8-alpha-epoxy caryophyllane 0.02 \u00b1 0.01 - 1414 1417 36.33 5.22 sesquitujene 0.02 \u00b1 0.01 - 1414 1418 36.33 5.10 (e)-caryophyllene 5.20 \u00b1 0.20 6.50 \u00b1 0.30 1423 1423 36.67 5.69 \u03b2-duprezianene 0.06 \u00b1 0.01 0.06 \u00b1 0.01 1427 1429 36.83 4.81 cis thujopsene 0.06 \u00b1 0.01 0.05 \u00b1 0.01 1436 1432 37.17 4.95 \u03b2-gurjunene 0.47 \u00b1 0.01 0.52 \u00b1 0.02 1445 1444 37.50 5.30 cedrene 1.04 \u00b1 0.07 1.30 \u00b1 0.10 1450 1450 37.67 4.98 epicedrene 0.13 \u00b1 0.01 0.19 \u00b1 0.01 1450 1450 37.67 5.36 cis-muurola-3.5-diene 0.16 \u00b1 0.01 0.15 \u00b1 0.01 1455 1454 37.83 5.23 \u03b1 \u2013humulene 6.90 \u00b1 0.30 7.20 \u00b1 0.30 1459 1460 38.00 3.46 \u03b2-santalene 0.03 \u00b1 0.01 0.02 \u00b1 0.01 1459 1460 38.00 5.23 allo-aromadendrene 2.10 \u00b1 0.20 2.00 \u00b1 0.10 1473 1473 38.50 5.40 \u03b1 -terpinyl isobutanoate 0.57 \u00b1 0.02 0.50 \u00b1 0.02 1473 1473 38.50 5.22 drima-7.9(11)-diene 4.80 \u00b1 0.20 4.90 \u00b1 0.20 1477 1477 38.67 5.06 \u03b2-gurjunene 0.48 \u00b1 0.02 0.45 \u00b1 0.01 1482 1480 38.83 5.25 \u03b3-murolene 0.30 \u00b1 0.01 0.32 \u00b1 0.01 1486 1480 39.00 5.48 germacrene d 0.72 \u00b1 0.02 0.64 \u00b1 0.02 1486 1485 39.00 5.40 \u03b2-selinene 10.20 \u00b1 0.20 10.40 \u00b1 0.20 1495 1496 39.33 3.71 asaricinae 0.28 \u00b1 0.01 0.25 \u00b1 0.01 1495 1498 39.33 5.38 \u03b1-selinene 6.70 \u00b1 0.10 5.00 \u00b1 0.20 1500 1500 39.50 5.42 biciclogermacrene 0.87 \u00b1 0.01 0.87 \u00b1 0.03 1509 1509 39.83 5.39 farenol 0.22 \u00b1 0.01 0.21 \u00b1 0.01 1509 1509 39.83 5.24 germacrene a 0.60 \u00b1 0.02 0.62 \u00b1 0.01 1517 1518 40.17 5.34 menthyl isovalerate 0.24 \u00b1 0.01 0.24 \u00b1 0.01 1522 1523 40.33 5.51 eugenol acetate 0.85 \u00b1 0.03 0.83 \u00b1 0.02 1526 1526 40.50 5.80 1-phenyl heptan-3-one 0.18 \u00b1 0.01 0.19 \u00b1 0.01 1526 1527 40.50 5.26 vanillin acetate 0.21 \u00b1 0.01 0.21 \u00b1 0.01 1535 1535 40.83 5.58 10-epi-cubenol 0.33 \u00b1 0.01 0.36 \u00b1 0.02 1539 1539 41.00 5.40 \u03b1-cadinene 0.13 \u00b1 0.01 0.17 \u00b1 0.01 1543 1543 41.17 5.75 8.14-cedranoxide 0.43 \u00b1 0.02 0.41 \u00b1 0.01 1548 1548 41.33 6.14 silphiperfolan-6-beta-ol 0.02 \u00b1 0.01 - 1557 1557 41.67 6.93 elemicine 0.03 \u00b1 0.01 0.01 \u00b1 0.01 1561 1561 41.83 5.91 germacrene b 1.31 \u00b1 0.08 2.01 \u00b1 0.12 Continue\u2026 https://revista.iq.unesp.br/index.php/ecletica https://doi.org/10.26850/1678-4618eqj.v48.4.2023.p27-36 Original article revista.iq.unesp.br 33 Ecl\u00e9tica Qu\u00edmica, vol. 48, n. 4, 2023, 27-36 ISSN: 1678-4618 DOI: 10.26850/1678-4618eqj.v48.4.2023.p27-36 1565 1566 42.00 6.32 \u03b2-calacorene 0.03 \u00b1 0.01 0.03 \u00b1 0.01 1565 1566 42.00 6.42 davanone b 0.23 \u00b1 0.01 0.32 \u00b1 0.01 1574 1575 42.33 5.67 \u03b1-cedrene epoxy 0.28 \u00b1 0.01 0.25 \u00b1 0.01 1574 1575 42.33 6.01 silphiperfol-5-em-3-one a 0.38 \u00b1 0.01 0.35 \u00b1 0.01 1583 1583 42.67 6.26 turmerol 0.75 \u00b1 0.06 0.34 \u00b1 0.01 1583 1583 42.67 6.43 caryophyllene oxide 3.95 \u00b1 0.08 2.15 \u00b1 0.06 1591 1591 43.00 6.36 \u03b2-copaen-4-\u03b1-ol 0.14 \u00b1 0.01 0.19 \u00b1 0.01 1596 1596 43.17 6.04 turmerone-ar-dihydro 0.60 \u00b1 0.01 0.64 \u00b1 0.02 1600 1600 43.33 3.69 hexadecane 0.01 \u00b1 0.01 - 1600 1601 43.33 5.15 cedrol 0.02 \u00b1 0.01 - 1600 1601 43.33 5.92 guaiacol 0.04 \u00b1 0.01 0.04 \u00b1 0.01 1600 1601 43.33 6.25 \u03b2-elemenone 0.05 \u00b1 0.01 0.05 \u00b1 0.01 1605 1605 43.50 6.40 sesquilavandulol 0.88 \u00b1 0.03 0.94 \u00b1 0.03 1609 1608 43.67 6.21 platyphyllol 0.17 \u00b1 0.01 0.15 \u00b1 0.01 1609 1608 43.67 6.06 \u03b2-atlantol 0.92 \u00b1 0.03 1.12 \u00b1 0.05 1614 1614 43.83 6.42 ethyl chromone 2 0.44 \u00b1 0.02 0.40 \u00b1 0.01 1614 1614 43.83 6.59 \u03b2-", "mime": "application/pdf"}, {"id": "ecletica-1374", "words": "280", "extension": ".pdf", "flesch": "-216", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial board", "date": "2022", "keywords": "brazil; prof", "summary": "Editorial board revista.iq.unesp.br | Vol. 47 | special issue 2 | 2022 | Editorial Team Editor-in-Chief Prof. Assis Vicente Benedetti, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Editors Prof. Antonio Eduardo Mauro, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Prof. Horacio Heinzen, University of the Republic, Faculty of Chemistry, Montevideo, Uruguay Prof. Marcos Carlos de Mattos, Federal University of Cear\u00e1, Center of Sciences, Fortaleza, Brazil Prof. Maria C\u00e9lia Bertolini, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Prof. Patr\u00edcia Hatsue Suegama, Federal University of Grande Dourados, Faculty of Exact and Technological Sciences, Dourados, Brazil Prof. Paulo Clairmont Feitosa Lima Gomes, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Editorial Board Prof. Bayardo Baptista Torres, University of S\u00e3o Paulo, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Enric Brillas, University of Barcelona, Faculty of Chemistry, Barcelona, Spain Prof. Francisco de Assis Leone, University of S\u00e3o Paulo, Faculty of Philosophy, Sciences and Literature, Ribeir\u00e3o Preto, Brazil Prof. Ivano Gerardt Rolf Gutz, University of S\u00e3o Paulo, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Jairton Dupont, Federal University of Rio Grande do Sul, Institute of Chemistry, Porto Alegre, Brazil Prof. Jos\u00e9 Ant\u00f4nio Maia Rodrigues, University of Porto, Faculty of Sciences, Porto, Portugal Prof. Lauro Kubota, University of Campinas, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Massuo Jorge Kato, University of S\u00e3o Paulo, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Roberto Santana da Silva, University of S\u00e3o Paulo, Faculty of Pharmaceutical Sciences, Ribeir\u00e3o Preto, Brazil Prof. Ver\u00f3nica Cort\u00e9s de Zea Bermudez, University of Tr\u00e1s-os-Montes and Alto Douro, School of Life and Environmental Sciences, Vila Real, Portugal EDITORIAL PRODUCTION Ctrl K Produ\u00e7\u00e3o Editorial \u2013 Araraquara, Brazil digite@ctrlk.com.br http://revista.iq.unesp.br/ojs/index.php/ecletica/index", "mime": "application/pdf"}, {"id": "ecletica-1375", "words": "1230", "extension": ".pdf", "flesch": "38", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial", "date": "2022", "keywords": "araraquara; chemistry; energy; professor; saffioti", "summary": "When the Department of Chemistry (FFCLA) was transformed into the Araraquara\u2019s Chemistry Institute (1977), the IQAr\u2019s student association was permanently baptized as \u201cDAWS\u201d (Academic Directory Waldemar Saffioti), and the Regional Araraquara/S\u00e3o Carlos/Ribeir\u00e3o Preto of the Brazilian Chemical Society bears the name \u201cRegional Interior Paulista Waldemar Saffioti\u201d. Firstly, he gave birth to the first Chemistry Course in Sao Paulo\u2019s countryside, located in Araraquara city, which became the embryo of the current Araraquara Chemistry Institute \u2013 UNESP (IQAr).", "mime": "application/pdf"}, {"id": "ecletica-1376", "words": "39", "extension": ".pdf", "flesch": "-78", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Database", "date": "2022", "keywords": "database", "summary": "Database revista.iq.unesp.br Citation databases: Ecletica Quim. http://revista.iq.unesp.br/ojs/index.php/ecletica/index http://bit.do/EQJ_CAS https://www.scopus.com/sourceid/23521 https://doaj.org/toc/1678-4618 http://www.speciation.net/Database/Journals/Ecletica-Quimica-Journal-;i1882 https://scholar.google.com.br/citations?hl=pt-BR&user=-J-pPugAAAAJ&authuser=1 https://www.redib.org/recursos/Record/oai_revista5161-ecl%C3%A9tica-qu%C3%ADmica https://www.redalyc.org/revista.oa?id=429 https://www.latindex.org/latindex/ficha?folio=16477 https://biblat.unam.mx/pt/revista/ecletica-quimica https://inis.iaea.org/search/search.aspx?orig_q=journal:%22ISSN%200100-4670%22", "mime": "application/pdf"}, {"id": "ecletica-1377", "words": "3564", "extension": ".pdf", "flesch": "50", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Author guidelines", "date": "2022", "keywords": "authors; data; eclet; information; letter; manuscript; quim", "summary": "Author guidelines revista.iq.unesp.br most relevant aspects of the topic that is being revised and indicate the likely future directions of the field. Authors\u2019 contribution We request authors to include author contributions according to CRediT taxonomy standardized contribution descriptions. CRediT", "mime": "application/pdf"}, {"id": "ecletica-1378", "words": "199", "extension": ".pdf", "flesch": "31", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Summary", "date": "2022", "keywords": "silva", "summary": "83 Sheila Marques Silva, Carolina Paiva Nascimento Silva, Thiago de Carvalho Silva, Mirabel Cerqueira Rezende, Edson Cocchieri Botelho, Michelle Leali Costa Analysis of the Pb0.30CaxSryTiO3 ternary system: The effect of Ca2+ and Sr2+ cations on the electrical properties of PbTiO3 ............................................................................................ 37 \u00c9rica Luiz dos Santos, Eny Iochevet Segal Floh, Massuo Jorge Kato Phenylalanine ammonia lyase: new insights from Piperaceae species ............................... 67 Andreia de Ara\u00fajo Morandim-Giannetti, Lidiane Gaspareto Felippe, V\u00e2nia Aparecida de Freitas Formenton Macedo dos Santos, Massuo Jorge Kato, Maysa Furlan Studies of curing cycle of carbon fiber/epoxy resins (8552\u00ae and M21\u00ae) prepregs based on thermal and rheological analyses ........................................................................................", "mime": "application/pdf"}, {"id": "ecletica-138", "words": "4113", "extension": ".pdf", "flesch": "49", "author": "dos Santos, Sonia; de Moraes, Maria de Lourdes Leite; Rezende, Maria Olimpia de Oliveira; Sousa Filho, Antonio Pedro da Silva", "title": "Potencial alelop\u00e1tico e identifica\u00e7\u00e3o de compostos secund\u00e1rios em extratos de calopog\u00f4nio (Calopogonium mucunoides) utilizando eletroforese capilar", "date": "2012", "keywords": "bioensaios; compostos; daninhas; das; dos; ecl; extratos; foi; foram; germina\u00e7\u00e3o; identificados; inibi\u00e7\u00e3o; mal\u00edcia; nos; para; paulo; plantas; que; qu\u00edm; sementes; s\u00e3o; utilizando; \u00e1cido", "summary": "Com rela\u00e7\u00e3o \u00e0s atividades alelop\u00e1ticas dos compostos, observaram-se valores de inibi\u00e7\u00e3o de germina\u00e7\u00e3o menores que 50% para quase todos os compostos com exce\u00e7\u00e3o de \u00e1cido fer\u00falico aplicado em sementes de mal\u00edcia e atropina nos bioensaios com sementes de mal\u00edcia e mata pasto. Santos, S.I, Moraes, M.L.LII; Rezende, M.O.O.I; Souza Filho, A.P.SIII I- Instituto de Qu\u00edmica de S\u00e3o Carlos-", "mime": "application/pdf"}, {"id": "ecletica-1380", "words": "10720", "extension": ".pdf", "flesch": "53", "author": "Ali Almaqtari, Maher; Al-Odaini , Najat Ahmed; Alarbagi , Fares Abdullah; Al-Maydama, Hussein ", "title": "Development and validation of a new spectrophotometric method for simultaneous determination of sitagliptin and metformin hydrochloride in tablet pharmaceutical dosage forms using chemometrics technique in comparison with HPLC", "date": "2023", "keywords": "conc; determination; et al; metformin; metformin hydrochloride; method; pcr; pharmaceutical; pls; sitagliptin; validation; \u03bcg ml\u20131", "summary": "https://doi.org/10.1016/j.bioorg.2016.07.014 Mohammed, O. J.; Hamzah, M. J.; Saeed, A. M. RP\u2013 HPLC method validation for simultaneous estimation of paracetamol and caffeine in formulating pharmaceutical form. metformin hydrochloride 3. spectrophotometric method 4. chemometrics technique 5. validation Section Editors: Assis Vicente Benedetti ABSTRACT: A new, quick, easy, affordable and eco-friendly simultaneous spectrophotometric method for determining a combined sitagliptin and metformin hydrochloride in pharmaceutical formulations was developed and validated using two chemometrics technique.", "mime": "application/pdf"}, {"id": "ecletica-1381", "words": "7190", "extension": ".pdf", "flesch": "44", "author": "Humacayo, Francielle Schremeta; Espinoza, Joel Toribio; de Paula, Josiane de F\u00e1tima Padilha; Lopes, Luma Clarindo; Pessoa, Christiana Andrade; Magalh\u00e3es, C\u00e1ssia Gon\u00e7alves", "title": "Detection of dopamine using glassy carbon electrodes modified with AgNPs synthetized with Monteverdia ilicifolia extract", "date": "2023", "keywords": "agnps; carbon; electrochemical; electrode; extract; gcpe; l\u20131; nanoparticles", "summary": "https://doi.org/10.1155/2022/4106558 Grzygorczyk, S.; Ezpinoza, J. T.; Paula, J. F. P.; Boscardin, P. M. D.; Nunes, D. S.; Sandri, M. C. M.; Magalh\u00e3es, C. G. Evaluation of the biotechnological potential of Monteverdia salicifolia (Mart ex. Reissek) Biral. https://doi.org/10.1016/j.apsusc.2017.08.228 Lima Filho, M. M. S.; Correa, A. A.; Silva, F. D. C.; Carvalho, F. A. O.; Mascaro, L. H.; Oliveira, T. M. B. F. A glassy carbon electrode modified with silver nanoparticles and functionalized multi-walled carbon nanotubes for voltammetric determination of the illicit growth promoter dienestrol in animal urine.", "mime": "application/pdf"}, {"id": "ecletica-1384", "words": "3449", "extension": ".pdf", "flesch": "56", "author": "Fathi, Anwar Abdulghani; Al Jawaheri, Yassir Shakeeb; Ismaee, Shaimaa Samir", "title": "Synthesis of some new substituted imines from aldehydes and ketones derived from quinolinic acid", "date": "2023", "keywords": "cm\u20131; compound", "summary": "Micromachines, 2022, 13 (2), 187. https://doi.org/10.3390/mi13020187 Fathi, A. A.; Al-Jawaheri, Y. S. M. Synthesis and characterization of new N- Aryl sulfonyl hydrazone compounds. ChemistrySelect. 2019, 4 (14), 4422\u20134427. https://doi.org/10.1002/slct.201803825 Silva, E. T.; Ara\u00fajo, A. S.; Moraes, A. M.; Souza, L. A.; Louren\u00e7o, M. C. S.; Souza, M. V. N.; Wardell, J. L.; Wardell, S. M. S. V. Synthesis and Biological Activities of Camphor Hydrazone and Imine Derivatives.", "mime": "application/pdf"}, {"id": "ecletica-1388", "words": "6235", "extension": ".pdf", "flesch": "38", "author": "Habiddin, Habiddin; Saputri, Cyndi Yanis; Santoso, Aman", "title": "The potency of cooperative integrated reading and composition in building chemistry students\u2019 scientific literacy and self-regulated learning", "date": "2023", "keywords": "chemistry; circ; ditm; educ; et al; learning; literacy; self; skills; students", "summary": "The average score of CIRC students was 82.06, which is higher than that of DITM students with 64.00. In teaching the excretory system in Biology class, CIRC students also demonstrate better performance than DITM students (Ristanto et al., 2021).", "mime": "application/pdf"}, {"id": "ecletica-139", "words": "2228", "extension": ".pdf", "flesch": "55", "author": "Wolf, L\u00facia Daniela; Assump\u00e7\u00e3o, M\u00f4nica Helena Marcon Teixeira; Madi, Alexandro Alves; Bonif\u00e1cio, Viviane Gomes; Fatibello-Filho, Orlando", "title": "Constru\u00e7\u00e3o de um calor\u00edmetro simples para determina\u00e7\u00e3o da entalpia de dissolu\u00e7\u00e3o", "date": "2012", "keywords": "calor\u00edmetro; com; dissolu\u00e7\u00e3o; ecl; entalpia; para; paulo; que; qu\u00edm; s\u00e3o; temperatura", "summary": "c) Determina\u00e7\u00e3o da entalpia de dissocia\u00e7\u00e3o Determinada a capacidade calor\u00edfica do calor\u00edmetro, pesaram-se as massas dos sais supramencionados: 11,68g de NaCl; 21,20g de Na2CO3; 16,80g de NaHCO3 e O procedimento utilizado para a determina\u00e7\u00e3o do calor de dissolu\u00e7\u00e3o de sais tamb\u00e9m pode ser usado para o calor de neutraliza\u00e7\u00e3o?", "mime": "application/pdf"}, {"id": "ecletica-1392", "words": "281", "extension": ".pdf", "flesch": "-30", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial board", "date": "2022", "keywords": "brazil; prof", "summary": "| 2022 | Editorial Team Editor-in-Chief Prof. Assis Vicente Benedetti, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Associated Editors Prof. Antonio Eduardo Mauro, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Prof. Horacio Heinzen, University of the Republic, Faculty of Chemistry, Montevideo, Uruguay Prof. Marcos Carlos de Mattos, Federal University of Cear\u00e1, Center of Sciences, Fortaleza, Brazil Prof. Maria C\u00e9lia Bertolini, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Prof. Patr\u00edcia Hatsue Suegama, Federal University of Grande Dourados, Faculty of Exact and Technological Sciences, Dourados, Brazil Prof. Paulo Clairmont Feitosa Lima Gomes, S\u00e3o Paulo State University, Institute of Chemistry, Araraquara, Brazil Editorial Advisory Board Prof. Adalgisa Rodrigues de Andrade, University of S\u00e3o Paulo, Faculty of Philosophy, Sciences and Literature, Ribeir\u00e3o Preto, Brazil Prof. Bayardo Baptista Torres, University of S\u00e3o Paulo, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Enric Brillas, University of Barcelona, Faculty of Chemistry, Barcelona, Spain Prof. Ivano Gerardt Rolf Gutz, University of S\u00e3o Paulo, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Jairton Dupont, Federal University of Rio Grande do Sul, Institute of Chemistry, Porto Alegre, Brazil Prof. Jos\u00e9 Ant\u00f4nio Maia Rodrigues, University of Porto, Faculty of Sciences, Porto, Portugal Prof. Lauro Kubota, University of Campinas, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Mar\u00edlia Oliveira Fonseca Goulart, Federal University of Alagoas, Institute of Chemistry and Biotechnology, Macei\u00f3, Brazil Prof. Massuo Jorge Kato, University of S\u00e3o Paulo, Institute of Chemistry, S\u00e3o Paulo, Brazil Prof. Ver\u00f3nica Cort\u00e9s de Zea Bermudez, University of Tr\u00e1s-os-Montes and Alto Douro, School of Life and Environmental Sciences, Vila Real, Portugal EDITORIAL PRODUCTION Ctrl K Produ\u00e7\u00e3o Editorial \u2013 Araraquara, Brazil digite@ctrlk.com.br https://revista.iq.unesp.br/index.php/ecletica Editorial Team revista.iq.unesp.br | Vol. 47", "mime": "application/pdf"}, {"id": "ecletica-1393", "words": "368", "extension": ".pdf", "flesch": "39", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial", "date": "2022", "keywords": "complex", "summary": "Different parts of these plants displayed insecticidal, antitumor, and antioxidant activities, e.g., the essential oil of the leaves are constituted by monoterpenes and sesquiterpenes, with the flavonoids being the main substances found that have relevant biological activities. These compounds were characterized by their charge exchange potentials, donor-acceptor, which can be applied in energy conversion devices such as photovoltaic cells.", "mime": "application/pdf"}, {"id": "ecletica-1394", "words": "39", "extension": ".pdf", "flesch": "-76", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Database", "date": "2022", "keywords": "database", "summary": "Database revista.iq.unesp.br Citation databases: Ecletica Quim. https://revista.iq.unesp.br/index.php/ecletica http://bit.do/EQJ_CAS https://www.scopus.com/sourceid/23521 https://doaj.org/toc/1678-4618 http://www.speciation.net/Database/Journals/Ecletica-Quimica-Journal-;i1882 https://scholar.google.com.br/citations?hl=pt-BR&user=-J-pPugAAAAJ&authuser=1 https://www.redib.org/recursos/Record/oai_revista5161-ecl%C3%A9tica-qu%C3%ADmica https://www.redalyc.org/revista.oa?id=429 https://www.latindex.org/latindex/ficha?folio=16477 https://biblat.unam.mx/pt/revista/ecletica-quimica https://inis.iaea.org/search/search.aspx?orig_q=journal:%22ISSN%200100-4670%22", "mime": "application/pdf"}, {"id": "ecletica-1395", "words": "3560", "extension": ".pdf", "flesch": "50", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Author guidelines", "date": "2022", "keywords": "authors; data; eclet; information; letter; manuscript; quim", "summary": "Authors\u2019 contribution We request authors to include author contributions according to CRediT taxonomy standardized contribution descriptions. CRediT f. Articles in education in chemistry and chemistry-correlated areas Research manuscript related to undergraduate teaching in Chemistry and innovative experiences in undergraduate and graduate education.", "mime": "application/pdf"}, {"id": "ecletica-1396", "words": "139", "extension": ".pdf", "flesch": "0", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Summary", "date": "2022", "keywords": "summary", "summary": "27 Moriam Dasola Adeoye, Abel Kolawole Oyebamiji, Mojeed Ayoola Ashiru, Rasheed Adewale Adigun, Olabisi Hadijat Olalere, Banjo Semire Experimental, DFT, molecular docking and in silico ADMET studies of cadmium- benzenetricarboxylates ........................................................................................................ 37 Enyi Inah Bassey, Terkumbur Emmanuel Gber, Edison Esther Ekpenyong, Henry Okon Edet, Innocent Benjamin, Imabasi Tom Ita Structural effect on the charge transfer and on the internal reorganization energy: Computational study ............................................................................................................ 55 Mohamed Jabha, Abdelah El Alaoui, Abdellah Jarid, El Houssine Mabrouk https://revista.iq.unesp.br/index.php/ecletica 5 INSTRUCTIONS FOR AUTHORS .......................................................................... 6 SHORT REVIEW Secondary metabolites and pharmacological potential of Thuja orientalis and T. occidentalis: A short review ..................................................................................................................... 17 Maria Eduarda Tech, C\u00e1ssia Gon\u00e7alves Magalh\u00e3es, Sidney Augusto Vieira Filho ORIGINAL ARTICLES Biological evaluation of selected metronidazole derivatives as anti-nitroreductase via in silico approach...............................................................................................................................", "mime": "application/pdf"}, {"id": "ecletica-1397", "words": "668", "extension": ".pdf", "flesch": "73", "author": "Bassey, Enyi Inah; Gber, Terkumbur Emmanuel; Ekpenyong, Edison Esther; Edet, Henry Okon; Benjamin, Innocent; Ita, Imabasi Tom", "title": "[Supplemental material] Experimental, DFT, molecular docking and in silico ADMET studies of cadmium-benzenetricarboxylates", "date": "2022", "keywords": "cd1", "summary": "Atom Atom Atom Angle/\u02da Atom Atom Atom Angle/\u02da O4 Cd1 O51 145.97(9) O51 Cd1 O1 88.82(10) C5 C4 C8 119.4(3) O51 Cd1 O2 90.96(10) C6 C5 C4 120.3(3)", "mime": "application/pdf"}, {"id": "ecletica-1398", "words": "2630", "extension": ".pdf", "flesch": "44", "author": "Widarti, Hayuni Retno; Sriwahyuni, Titin; Rokhim, Deni Ainur; Syafrudin, Afis Baghiz", "title": "Social media-based learning in Chemistry learning: A review", "date": "2023", "keywords": "chemistry; learning; media; research; review; students; study", "summary": "The results of the study focused on the use of social media in chemistry learning which can increase student motivation for both high school and undergraduate students. This study aims to examine empirical articles about social media increasing the motivation to study chemistry for high school and undergraduate students using the Systematic Literature Review method, namely, to identify, analyze, and interpret findings on research topics published from 2018 to 2022.", "mime": "application/pdf"}, {"id": "ecletica-140", "words": "5315", "extension": ".pdf", "flesch": "55", "author": "Marinho, Claudio Cardoso; Bozelli, Reinaldo Luiz; Esteves, Francisco de Assis ; Gon\u00e7alves, Ana Claudia Braga; Rocha, Vanessa de Almeida; da Silva, Wesley Higino; Afonso, Julio Carlos", "title": "Gerenciamento de res\u00edduos qu\u00edmicos em um laborat\u00f3rio de ensino e pesquisa: a experi\u00eancia do laborat\u00f3rio de limnologia da UFRJ", "date": "2012", "keywords": "com; como; das; dos; ecl; final; foi; gest\u00e3o; laborat\u00f3rio; nova; n\u00e3o; para; paulo; por; que; qu\u00edm; qu\u00edmicos; res\u00edduos; ser; solu\u00e7\u00e3o; s\u00e3o; tratamento; uma", "summary": "Conclus\u00f5es Diferente de muitas experi\u00eancias sobre tratamento de res\u00edduos qu\u00edmicos que trabalham com material de aulas pr\u00e1ticas ou de rotinas de laborat\u00f3rio de pesquisa em qu\u00edmica, este trabalho apresenta um car\u00e1ter diferenciado na medida em que a diversidade de amostras analisadas pelos m\u00e9todos empregados no Laborat\u00f3rio de Limnologia gera tamb\u00e9m uma diversidade de res\u00edduos dentro da mesma corrente. Com o aumento e a diversifica\u00e7\u00e3o das discuss\u00f5es relativas a problemas e impactos ambientais decorrentes das atividades humanas tornou-se intoler\u00e1vel a falta de compromisso com a gest\u00e3o dos res\u00edduos qu\u00edmicos gerados nas institui\u00e7\u00f5es de ensino e pesquisa, locais por excel\u00eancia de forma\u00e7\u00e3o de novos recursos humanos", "mime": "application/pdf"}, {"id": "ecletica-1400", "words": "6958", "extension": ".pdf", "flesch": "50", "author": "Jamil, Yasmin Mos\u2019ad; Al-Azab, Fathi Mohammed; Al-Selwi, Nedhal Abdulmawla", "title": "Novel organophosphorus Schiff base ligands: Synthesis, characterization, ligational aspects, XRD and biological activity studies", "date": "2023", "keywords": "activity; base; complexes; et al; ligands; metal; schiff; spectra; synthesis", "summary": "Kaczmarek, M. T.; Zabiszak, M.; Nowak, M.; Jastrzab, R. Lanthanides: Schiff base complexes, applications in cancer diagnosis, therapy, and antibacterial activity. + (C2H5)3N-HCl https://revista.iq.unesp.br/index.php/ecletica https://doi.org/10.26850/1678-4618eqj.v48.3.2023.p36-53 Original article revista.iq.unesp.br 39 Ecl\u00e9tica Qu\u00edmica, vol. 48, n. 3, 2023, 36-53 ISSN: 1678-4618 DOI: 10.26850/1678-4618eqj.v48.3.2023.p36-53 2.4 Synthesis of metal complexes 2.4.1 Synthesis of Schiff base metal complexes A hot ethanolic solution of metal chloride was added dropwise to an ethanolic solution of Schiff base (2 L:1 mol L\u20131) molar ratio.", "mime": "application/pdf"}, {"id": "ecletica-1401", "words": "6302", "extension": ".pdf", "flesch": "56", "author": "Al-Azab, Fathi Mohammed; Jamil, Yasmin Mosa\u2019d; Al-Gaadbi, Amani Ahmed", "title": "Synthesis, structural and spectroscopic properties of Co(II), Ni(II) and Cu(II) complexes with 2-((2-chlorobenzylidene)amino) acetohydrazide hydrate and their Antimicrobial and antioxidant activities", "date": "2023", "keywords": "activity; base; co(ii; complexes; et al; ligand; ni(ii; schiff; synthesis", "summary": "https://doi.org/10.4172/2329-6798.1000260 Yousef, E.; Radwan, L.; Othman, M. A. Synthesis of Co (\u0406\u0406) and Cu (\u0406I) complexes with NO and N2O2 ligands derived from salicylaldehyde. https://doi.org/10.1016/S0277-5387(97)00036-3 https://revista.iq.unesp.br/index.php/ecletica https://doi.org/10.26850/1678-4618eqj.v48.2.2023.p66-82 https://doi.org/10.1063/1.5116946 https://doi.org/10.1063/1.5116946 https://doi.org/10.1063/1.5116946 https://doi.org/10.1063/1.5116946 https://doi.org/10.1063/1.5116946 https://doi.org/10.4236/ijoc.2013.33A008 https://doi.org/10.4236/ijoc.2013.33A008 https://doi.org/10.4236/ijoc.2013.33A008 https://doi.org/10.4236/ijoc.2013.33A008 https://doi.org/10.1155/2012/218675 https://doi.org/10.1155/2012/218675 https://doi.org/10.1155/2012/218675 https://doi.org/10.1155/2012/218675 https://doi.org/10.1155/2012/218675 https://doi.org/10.1016/S0277-5387(97)00036-3 https://doi.org/10.1016/S0277-5387(97)00036-3 https://doi.org/10.1016/S0277-5387(97)00036-3 https://doi.org/10.1016/S0277-5387(97)00036-3 https://doi.org/10.1016/S0277-5387(97)00036-3 https://doi.org/10.1016/S0277-5387(97)00036-3 https://doi.org/10.1016/S0277-5387(97)00036-3 https://doi.org/10.1016/S0277-5387(97)00036-3 Original article revista.iq.unesp.br 81 Ecl\u00e9tica Qu\u00edmica, vol. 48, n. 2, 2023, 66-82 ISSN: 1678-4618 DOI: 10.26850/1678-4618eqj.v48.2.2023.p66-82 Al-Jiboury, M. M.; Al-Nama, K. S. Preparation, Characterization and Biological Activities of some Unsymmetrical Schiff bases derived from m- phenyelenediamine and their metal complexes.", "mime": "application/pdf"}, {"id": "ecletica-1402", "words": "3238", "extension": ".pdf", "flesch": "55", "author": "Ram\u00edrez-Revilla, Stamber Alvaro; Camacho-Valencia, Daniela ; Ortiz-Romero, Derly", "title": "Determination of parameters and kinetic evaluation for chromium (VI) removal using four resins", "date": "2024", "keywords": "chromium; concentration; removal; resin", "summary": "Pareto plot for chromium removal using DOWEX resin. Figure 1 presents the Pareto plot for chromium removal.", "mime": "application/pdf"}, {"id": "ecletica-1403", "words": "6911", "extension": ".pdf", "flesch": "41", "author": "Widarti, Hayuni Retno; Baharsyah, Allykha ; Rokhim, Deni Ainur; Syafruddin, Afis Baghiz", "title": "Is the use of the Problem-Based Learning Model through Instagram effective? A Review", "date": "2023", "keywords": "instagram; learning; media; model; pbl; problem; process; rate; reaction; research; skills; solving; students; study; thinking; use", "summary": "The aspects that need to be considered in the effectiveness of Instagram learning are: (i) Instagram should contain useful content with high creativity; (ii) the content contained makes it easier for students to capture abstract ideas or formulations; (iii) it develops students\u2019 interest in reading and other fields of study; (iv) it helps students understand a subject considered difficult by creating content with easy-to-understand vocabulary. https://doi.org/10.1016/j.ijhcs.2010.07.003 Salehudin, M.; Sarimin, D. S.; Rondonuwu, R. H. S.; Yunus, M.; Safiah, I. Using Instagram to support creative learning and project based learning.", "mime": "application/pdf"}, {"id": "ecletica-1408", "words": "8187", "extension": ".pdf", "flesch": "47", "author": "Oyebamiji, Abel Kolawole; Babalola, Jonathan Oyebamiji; Odelade, Kehinde Abraham; Akintelu, Sunday Adewale; Nubi, Olubunmi Ayoola; Aworinde, Halleluyah Oluwatobi; Faboro, Esther ; Akintayo, Emmanuel Temitope; Semire, Banjo", "title": "Potential inhibiting activities of phytochemicals in Scilla natalensis bulbs against schistosomiasis", "date": "2023", "keywords": "4618eqj.v48.3.2023.p54; article; category; compounds; doi; ecl\u00e9tica; glutathione; inhibitor; issn; output value; probability; qu\u00edmica; revista.iq.unesp.br; substrate; vol", "summary": "MDCK Permeability 2.3x1005 \u25cf Low permeability: < 2 \u00d7 10\u20136 cm s\u20131 Medium permeability: 2\u201320 \u00d710\u20136 cm s\u20131 High passive permeability: > 20 \u00d710\u20136 cm s\u20131 Pgp-inhibitor 0.395 \u25cf Category 1: Inhibitor; Category 0: Pgp-substrate 0.998 \u25cf Category 1: substrate; Category 0: Nonsubstrate.", "mime": "application/pdf"}, {"id": "ecletica-141", "words": "3087", "extension": ".pdf", "flesch": "49", "author": "Manente, Francine Alessandra; Rosolen de Almeida Mello, Lucas; Kalil, Omar Arafat Kdudsi; de Carvalho, Cl\u00e1udio Teodoro; Bannach, Gilbert; Vellosa, Jos\u00e9 Carlos Rebuglio ", "title": "Efeito da complexa\u00e7\u00e3o de metais aos anti-inflamat\u00f3rios na a\u00e7\u00e3o contra agentes oxidativos e radicais livres: a\u00e7\u00e3o do cetoprofeno", "date": "2012", "keywords": "a\u00e7\u00e3o; cetoprofeno; cobre; com; c\u00e9rio; dos; ecl; livres; n\u00e3o; paulo; que; qu\u00edm; radicais; radical; s\u00e3o", "summary": "complexos de cobre (A) e c\u00e9rio (B) com o cetoprofeno Para a obten\u00e7\u00e3o do cetoprofenato de cobre [Cu(II)], inicialmente, sintetizou-se o carbonato de Cu (II), fazendo-se reagir solu\u00e7\u00e3o aquosa de cloreto de cobre com solu\u00e7\u00e3o aquosa de hidrogeno carbonato de s\u00f3dio em excesso. UEPG, Universidade Estadual de Ponta Grossa, Departamento de An\u00e1lises Cl\u00ednicas eToxicol\u00f3gicas, Ponta Grossa - PR, Brasil2 IFG, Instituto Federal de Goi\u00e1s, Campus de Formosa, Formosa - GO, Brasil3 UFGD, Universidade Federal da Grande Dourados, Faculdade de Ci\u00eancias Exatas e Tecnologias,Dourados-MS, Brasil4 UNESP, Universidade Estadual Paulista \u201cJ\u00falio de Mesquita Filho\u201d, Faculdade de Ci\u00eancias de Bauru, Bauru -SP, Brasil*Autor para correspond\u00eancia: Universidade Estadual de Ponta Grossa, Departamento de An\u00e1lisesCl\u00ednicas e Toxicol\u00f3gicas, Av.", "mime": "application/pdf"}, {"id": "ecletica-1411", "words": "553", "extension": ".pdf", "flesch": "21", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial board", "date": "2023", "keywords": "brazil; chemistry; prof; university", "summary": "https://orcid.org/0000-0002-4121-0384 Prof. Angela Cabezas da Rosa, Technological University, South Center Regional Technological Institute, Durazno, Uruguay. https://orcid.org/0000-0001-5460-019X Prof. Camila Silveira da Silva, Federal University of Paran\u00e1, Department of Chemistry, Curitiba, Brazil. https://orcid.org/0000-0002-2896-4392 Prof. Boutros Sarrouh, Federal University of S\u00e3o Jo\u00e3o Del-Rei, Department of Chemistry, Biotechnology and Bioprocess Engineering, S\u00e3o Jo\u00e3o Del-Rei, Brazil.", "mime": "application/pdf"}, {"id": "ecletica-1412", "words": "388", "extension": ".pdf", "flesch": "31", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "2023", "keywords": "review", "summary": "It is known that the use of sun-protective clothing is a simple, easy, and practical method for UV protection of the human organism. Following these reviews, the readers find the in-silico evaluation of some tetrahydroquinoline derivatives with pyrazole and hydrazide moieties against human lung cancer cell lines and the demonstration by molecular docking analysis that some compounds show good binding affinity towards the studied protein.", "mime": "application/pdf"}, {"id": "ecletica-1413", "words": "41", "extension": ".pdf", "flesch": "-92", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Databases and supporters", "date": "2023", "keywords": "links", "summary": "https://revista.iq.unesp.br/index.php/ecletica https://doaj.org/toc/1678-4618 http://bit.do/EQJ_CAS https://www.redib.org/recursos/Record/oai_revista5161-ecl%C3%A9tica-qu%C3%ADmica https://www.latindex.org/latindex/ficha?folio=16477 https://www.scopus.com/sourceid/23521 https://scholar.google.com.br/citations?hl=pt-BR&user=-J-pPugAAAAJ&authuser=1 https://www.redalyc.org/revista.oa?id=429 http://www.speciation.net/Database/Journals/Ecletica-Quimica-Journal-;i1882 https://biblat.unam.mx/pt/revista/ecletica-quimica https://inis.iaea.org/search/search.aspx?orig_q=journal:%22ISSN%200100-4670%22 https://www.iq.unesp.br/ https://www2.unesp.br/ https://www.abecbrasil.org.br/novo/ https://www.gov.br/cnpq/pt-br The address is for subscribers only.", "mime": "application/pdf"}, {"id": "ecletica-1414", "words": "3549", "extension": ".pdf", "flesch": "49", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Author guidelines", "date": "2023", "keywords": "authors; data; eclet; information; letter; manuscript; quim; text", "summary": "f. Articles in education in chemistry and chemistry-correlated areas Research manuscript related to undergraduate teaching in Chemistry and innovative experiences in undergraduate and graduate education. Authors\u2019 contribution We request authors to include author contributions according to CRediT taxonomy standardized contribution descriptions. CRediT", "mime": "application/pdf"}, {"id": "ecletica-1415", "words": "152", "extension": ".pdf", "flesch": "11", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Summary", "date": "2023", "keywords": "summary", "summary": "16 Jo\u00e3o Henrique Barcha Lupino, Gustavo Pereira Saito, Marco Aur\u00e9lio Cebim, Marian Rosaly Davolos SHORT REVIEW Antioxidant property of secondary metabolites from Garcinia genus: A short review ..... 41 Elton Kazmierczak, C\u00e1ssia Gon\u00e7alves Magalh\u00e3es, Romaiana Picada Pereira ORIGINAL ARTICLES Quantitative Structure-Activity relationship, Molecular Docking and ADMET Screening of Tetrahydroquinoline Derivatives as Anti-Small Cell Lung Cancer Agents ....................... 55 Ehimen Annastasia Erazua, Abel Kolawole Oyebamiji, Sunday Adewale Akintelu, Pelumi Daniel Adewole, Adedayo Adelakun, Babatunde Benjamin Adeleke Development and validation of a new spectrophotometric method for simultaneous determination of sitagliptin and metformin hydrochloride in tablet pharmaceutical dosage forms using chemometrics technique in comparison with HPLC .......................................", "mime": "application/pdf"}, {"id": "ecletica-1417", "words": "5675", "extension": ".pdf", "flesch": "51", "author": "Gadelha, Antonio Jos\u00e9 Ferreira; Rocha, Clarice Oliveira da; Veras Neto, Jos\u00e9 Germano; Gomes, Mirelly Alexandre", "title": "Multivariate statistical analysis of physicochemical parameters of groundwater quality using PCA and HCA techniques", "date": "2023", "keywords": "analysis; data; parameters; pca; quality; samples; total; variables; water; wells", "summary": "The analysis, monitoring and assessment of underground water quality parameters can be used to detect possible contamination events and as an indication of significant changes in physical and chemical properties of water, thereby avoiding financial and social losses. According to Gomes and Cavalcante (2017), by using the PCA technique, it is possible to select the characteristics with the highest participation in each component and define which physical-chemical parameters of the water should be monitored, thus reducing costs with analyses of factors of lesser importance in water quality.", "mime": "application/pdf"}, {"id": "ecletica-1418", "words": "15", "extension": ".pdf", "flesch": "-56", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "1976", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221201075518910.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201075636048.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201075700842.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201075740812.pdf", "mime": "application/pdf"}, {"id": "ecletica-1419", "words": "9", "extension": ".pdf", "flesch": "-27", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "1977", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129092619253.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129092646453.pdf", "mime": "application/pdf"}, {"id": "ecletica-142", "words": "3519", "extension": ".pdf", "flesch": "56", "author": "Choconi, Roberto Gustavo; Ghini, Alberto Antonio; Conzonno, Victor Hugo; Cirelli, Alicia Fern\u00e1ndez", "title": "Humic substances from sediments of Lobos Pond (Argentina). Isolation, characterization and limnological implications", "date": "2012", "keywords": "ecl; lobos; paulo; pond; qu\u00edm; sediments; s\u00e3o", "summary": "2: FTIR spectrum of fractions isolated from Lobos Pond sediments. a. HA; b. FA; c. amorphous white solid residue (WSR) isolated from FA fractionation Elemental analyses of HA and FA isolated from Lobos Pond sediment are shown in Table 2.", "mime": "application/pdf"}, {"id": "ecletica-1420", "words": "24", "extension": ".pdf", "flesch": "-66", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "1978", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221201080104541.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201080144941.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201080222900.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201080323030.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201080350784.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201080411435.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201080427776.pdf", "mime": "application/pdf"}, {"id": "ecletica-1421", "words": "39", "extension": ".pdf", "flesch": "-101", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "1979", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129015357250.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129015411085.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129015505141.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129015651432.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129015700509.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129015717603.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129015740892.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129015912715.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129015930611.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129015951180.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129020001443.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129020018284.pdf", "mime": "application/pdf"}, {"id": "ecletica-1422", "words": "30", "extension": ".pdf", "flesch": "-88", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "1980", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129020216483.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129020336379.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129020356331.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129020410013.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129020422675.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129020434579.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129020532316.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129020546306.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129020554500.pdf", "mime": "application/pdf"}, {"id": "ecletica-1423", "words": "30", "extension": ".pdf", "flesch": "-73", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "1981", "keywords": "c:\\program", "summary": "x86)\\Scan\\GpyImages\\20221129020928523.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129020941634.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129021026002.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129021254843.pdf Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129021136578.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129020808907.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129020822707.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129020847474.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129020915705.pdf C:\\Program Files (", "mime": "application/pdf"}, {"id": "ecletica-1424", "words": "30", "extension": ".pdf", "flesch": "-73", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "1982", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129021420058.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129021448243.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129021511058.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129021542403.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129021551618.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129021602466.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129021740961.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129021803817.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129021832450.pdf", "mime": "application/pdf"}, {"id": "ecletica-1425", "words": "27", "extension": ".pdf", "flesch": "-70", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "1983", "keywords": "c:\\program", "summary": "x86)\\Scan\\GpyImages\\20221129021958395.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129022031065.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129022045753.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129022113737.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129022124841.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129022233657.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129022310170.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129022350098.pdf Convert to PDF C:\\Program Files (", "mime": "application/pdf"}, {"id": "ecletica-1426", "words": "27", "extension": ".pdf", "flesch": "-83", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "1984", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129022639785.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129022706821.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129022725274.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129022744620.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129022814489.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129022912449.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129022955168.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129023230610.pdf", "mime": "application/pdf"}, {"id": "ecletica-1427", "words": "30", "extension": ".pdf", "flesch": "-88", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "1985", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129023419160.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129023454497.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129023529283.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129023541022.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129023644176.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129023704208.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129023742127.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129023802071.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129023828416.pdf", "mime": "application/pdf"}, {"id": "ecletica-1428", "words": "36", "extension": ".pdf", "flesch": "-79", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "1987", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129024020248.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129024055255.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129024109751.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129024124464.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129024140551.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129024159239.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129024219047.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129024237479.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129024246903.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129024257766.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129024333847.pdf", "mime": "application/pdf"}, {"id": "ecletica-143", "words": "4001", "extension": ".pdf", "flesch": "62", "author": "da Silva, Vitor Paulo Andrade; Alves, Carlucio Roberto; Dutra, Rosa Fireman; de Oliveira, Juliano Elvis; Rondina, Davide; Ferro Furtado, Roselayne", "title": "Biossensor amperom\u00e9trico para determina\u00e7\u00e3o de per\u00f3xido de hidrog\u00eanio em leite", "date": "2012", "keywords": "biossensor; com; ecl; eletrodo; enzima; figura; foi; foram; hrp; leite; para; paulo; que; qu\u00edm; s\u00e3o; tamp\u00e3o; uma; \u00b5mol", "summary": "A equa\u00e7\u00e3o de Michaelis-Menten \u00e9 usada para se calcular a atividade catal\u00edtica de uma enzima, e pode ser algebricamente rearranjada para a Equa\u00e7\u00e3o 1, chamada Lineweaver\u2013 Burk, que relaciona valores de corrente e concentra\u00e7\u00e3o de substrato, (1) onde Is \u00e9 corrente de estado estacion\u00e1rio ap\u00f3s a adi\u00e7\u00e3o de H2O2, Im\u00e1x \u00e9 corrente m\u00e1xima, obtida ap\u00f3s a satura\u00e7\u00e3o da curva, Km \u00e9 a constante de Michaelis-Menten, c \u00e9 a concentra\u00e7\u00e3o de H2O2 na solu\u00e7\u00e3o. Os intervalos de confian\u00e7a para os limites de detec\u00e7\u00e3o e de quantifica\u00e7\u00e3o do biossensor foi calculado utilizando o teste t de Student com n\u00edvel de confian\u00e7a de 95%.", "mime": "application/pdf"}, {"id": "ecletica-1431", "words": "39", "extension": ".pdf", "flesch": "-101", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "1988", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129024600119.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129024622319.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129024642926.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129024709008.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129024719814.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129024741599.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129024750772.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129024828136.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129024841391.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129024851270.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129024901319.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129024917001.pdf", "mime": "application/pdf"}, {"id": "ecletica-1432", "words": "51", "extension": ".pdf", "flesch": "-91", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "1989", "keywords": "c:\\program", "summary": "x86)\\Scan\\GpyImages\\20221129025239601.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129025336558.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129025355520.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129025408558.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129025423766.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129025437881.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129025501434.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129025521046.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129025533697.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129025553831.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129025609910.pdf Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129025111695.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129025126158.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129025141480.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129025157600.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129025210575.pdf C:\\Program Files (", "mime": "application/pdf"}, {"id": "ecletica-1433", "words": "63", "extension": ".pdf", "flesch": "-99", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "1990", "keywords": "c:\\program", "summary": "x86)\\Scan\\GpyImages\\20221201080702201.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201080743384.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201080816793.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201080854471.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201080915062.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201080943117.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201081022650.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201081105214.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201081143529.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201081220665.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201081251984.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201081319407.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201081339551.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201081414181.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201081439558.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201081506088.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201081542537.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201081609373.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201081651368.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201081718928.pdf Convert to PDF C:\\Program Files (", "mime": "application/pdf"}, {"id": "ecletica-1434", "words": "45", "extension": ".pdf", "flesch": "-86", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "1991", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129030429726.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129030541069.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129030555277.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129030624428.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129030640286.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129030656549.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129030726246.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129030746645.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129030800910.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129030812244.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129030822157.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129030833772.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129030844287.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129030900855.pdf", "mime": "application/pdf"}, {"id": "ecletica-1435", "words": "81", "extension": ".pdf", "flesch": "-151", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "1992", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129031050926.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129031115460.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129031126269.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129031156351.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129031215366.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129031305797.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129031416053.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129031435027.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129031446691.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129031459540.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129031514780.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129031530679.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129031544847.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129031600245.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129031616316.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129031637580.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129031654900.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129031713454.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129031727163.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129031739237.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129031752764.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129031809941.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129031820750.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129031833318.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129031851014.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129031901323.pdf", "mime": "application/pdf"}, {"id": "ecletica-1436", "words": "30", "extension": ".pdf", "flesch": "-88", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "1993", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129032030956.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129032037219.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129032056331.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129032108708.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129032129316.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129032143500.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129032228227.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129032257939.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129032315980.pdf", "mime": "application/pdf"}, {"id": "ecletica-1437", "words": "36", "extension": ".pdf", "flesch": "-79", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "1994", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129032422051.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129032447939.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129032524940.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129032536891.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129032549003.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129032602426.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129032621364.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129032632519.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129032659028.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129032710771.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129032718850.pdf", "mime": "application/pdf"}, {"id": "ecletica-1438", "words": "36", "extension": ".pdf", "flesch": "-79", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "1995", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129032827628.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129032845243.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129032857090.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129032914107.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129032950322.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129033008107.pdf C:\\Program Files ( x86)\\Scan\\GpyImages\\20221129033049947.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129033104603.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129033141131.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129033158443.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129033224219.pdf", "mime": "application/pdf"}, {"id": "ecletica-1439", "words": "39", "extension": ".pdf", "flesch": "-81", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "1996", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129033335234.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129033405468.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129033426958.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129033450402.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129033502747.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129033518755.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129033531756.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129033552395.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129033614739.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129033644809.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129033703257.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129033721890.pdf", "mime": "application/pdf"}, {"id": "ecletica-144", "words": "5463", "extension": ".pdf", "flesch": "72", "author": "dos Santos, Marcel Silveira; Bianchin, Joyce Nunes; Spinelli, Almir", "title": "Desenvolvimento de metodologia anal\u00edtica baseada em eletrodo de carbono v\u00edtreo modificado com filme de bismuto: Aplica\u00e7\u00e3o em \u00e1guas de chuva de regi\u00f5es de Santa Catarina", "date": "2012", "keywords": "2,4; bismuto; com; dnp; ecl; eletrodo; fig; filme; foi; foram; l-1; mol; para; paulo; por; potencial; qu\u00edm; redu\u00e7\u00e3o; s\u00e3o; tamp\u00e3o; uma", "summary": "O tempo e potencial de deposi\u00e7\u00e3o utilizados para a forma\u00e7\u00e3o do filme de bismuto no experimento foram de 60 segundos e -1000 Efeito do pH na redu\u00e7\u00e3o do 2,4-DNP A influ\u00eancia do pH na resposta da densidade de corrente de pico para o processo de redu\u00e7\u00e3o do 2,4-DNP foi estudada em tamp\u00e3o BR 0,04 mol L-1 variando o pH de 3 a 10.", "mime": "application/pdf"}, {"id": "ecletica-1440", "words": "45", "extension": ".pdf", "flesch": "-109", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "1997", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129033908499.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129033931754.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129033953458.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129034006890.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129034027596.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129034041782.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129034107489.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129034118075.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129034133314.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129034211289.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129034225737.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129034234131.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129034253169.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129034301298.pdf", "mime": "application/pdf"}, {"id": "ecletica-1441", "words": "36", "extension": ".pdf", "flesch": "-97", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "1998", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129034440449.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129034459041.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129034524564.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129034541329.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129034557986.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129034611570.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129034625309.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129034637353.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129034713024.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129034732042.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129034746002.pdf", "mime": "application/pdf"}, {"id": "ecletica-1442", "words": "36", "extension": ".pdf", "flesch": "-79", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "1999", "keywords": "c:\\program", "summary": "x86)\\Scan\\GpyImages\\20221129034914537.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129034932473.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129034939681.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129034958241.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129035014673.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129035030513.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129035045289.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129035111560.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129035122624.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129035138337.pdf Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129034900537.pdf C:\\Program Files (", "mime": "application/pdf"}, {"id": "ecletica-1443", "words": "48", "extension": ".pdf", "flesch": "-113", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "2000", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129035250121.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129035301760.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129035324824.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129035340393.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129035401914.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129035415729.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129035435121.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129035448769.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129035519857.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129035614198.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129035631833.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129035650496.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129035707603.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129035720956.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129035740503.pdf", "mime": "application/pdf"}, {"id": "ecletica-1444", "words": "66", "extension": ".pdf", "flesch": "-100", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "2001", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221201082359328.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201082434737.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201082610401.pdf C:\\Program Files ( x86)\\Scan\\GpyImages\\20221201082633578.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201082745152.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201082823512.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201082852185.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201082916972.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201083020723.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201083038742.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201083117075.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201083140306.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201083216160.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201083239090.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201083257122.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201083312763.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201083342746.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201083400483.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201083417535.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201083456954.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221201083529906.pdf", "mime": "application/pdf"}, {"id": "ecletica-1445", "words": "51", "extension": ".pdf", "flesch": "-116", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "2002", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129040618632.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129040632097.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129040700616.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129040711767.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129040739184.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129040747243.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129040805296.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129040813447.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129040831791.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129040843807.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129040922527.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129040941575.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129040955254.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129041015064.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129041029175.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129041046830.pdf", "mime": "application/pdf"}, {"id": "ecletica-1446", "words": "57", "extension": ".pdf", "flesch": "-124", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "2002", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129041212147.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129041226838.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129041244736.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129041257935.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129041327463.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129041342251.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129041401639.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129041416416.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129041439492.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129041452674.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129041524592.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129041547632.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129041624646.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129041641150.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129041658374.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129041715903.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129041733550.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129041753686.pdf", "mime": "application/pdf"}, {"id": "ecletica-1449", "words": "36", "extension": ".pdf", "flesch": "-97", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "2003", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129042623607.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129042637950.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129042700502.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129042711294.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129042726397.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129042734518.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129042807937.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129042818733.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129042836573.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129042901970.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129042922352.pdf", "mime": "application/pdf"}, {"id": "ecletica-145", "words": "5282", "extension": ".pdf", "flesch": "63", "author": "Ferreira, Antonio Aparecido Pupim; Ribeiro, Sidney Jos\u00e9 Lima; Fugivara, Cec\u00edlio Sadao; Caiut, Jos\u00e9 Maur\u00edcio Almeida; Sargentelli, Vagner; Benedetti, Assis Vicente", "title": "Eletrodo de pasta de carbono em minicavidade de contato s\u00f3lido", "date": "2012", "keywords": "carbono; com; ecl; eletrodo; fe(cn)6; figura; foi; foram; imped\u00e2ncia; minicavidade; oxig\u00eanio; para; pasta; paulo; presen\u00e7a; que; qu\u00edm; redox; sio2(eu; solu\u00e7\u00e3o; s\u00e3o; uma", "summary": "Prepara\u00e7\u00e3o do eletrodo de pasta de carbono Uma minicavidade (\u2205 = 0,3 mm) e cerca de 1 mm de profundidade foi feita em eletrodo de disco de ouro (\u2205 = 0,3 mm) soldado em tubo de vidro alcalino (\u2205 = 6 mm). Os processos de transfer\u00eancia de carga com ferro/ferricianeto ocorrem, pelo menos na primeira etapa, sem adsor\u00e7\u00e3o por contato e sendo assim a \u00e1rea efetiva do eletrodo \u00e9 geralmente sua \u00e1rea geom\u00e9trica, cujo valor \u00e9 0,0108 cm 2 .", "mime": "application/pdf"}, {"id": "ecletica-1450", "words": "33", "extension": ".pdf", "flesch": "-93", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "2004", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129043053685.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129043109796.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129043131773.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129043149140.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129043159508.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129043210527.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129043233685.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129043258462.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129043312069.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129043326628.pdf", "mime": "application/pdf"}, {"id": "ecletica-1451", "words": "33", "extension": ".pdf", "flesch": "-93", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "2004", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129043439429.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129043456278.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129043517909.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129043531595.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129043542997.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129043601533.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129043621700.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129043641829.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129043658277.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129043725014.pdf", "mime": "application/pdf"}, {"id": "ecletica-1452", "words": "27", "extension": ".pdf", "flesch": "-83", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "2005", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129043826676.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129043841620.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129043914524.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129043933885.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129043948916.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129044026236.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129044039532.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129044110960.pdf", "mime": "application/pdf"}, {"id": "ecletica-1453", "words": "33", "extension": ".pdf", "flesch": "-93", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "2005", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129044212172.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129044224020.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129044255213.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129044307324.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129044323834.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129044346485.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129044433572.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129044457884.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129044511740.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129044526867.pdf", "mime": "application/pdf"}, {"id": "ecletica-1454", "words": "33", "extension": ".pdf", "flesch": "-93", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "2005", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129044635944.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129044640987.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129044658436.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129044716060.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129044731116.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129044747732.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129044805451.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129044827331.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129044854851.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129044910235.pdf", "mime": "application/pdf"}, {"id": "ecletica-1455", "words": "33", "extension": ".pdf", "flesch": "-76", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "2005", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129045130981.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129045141988.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129045157427.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129045206563.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129045224675.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129045233731.pdf C:\\Program Files ( x86)\\Scan\\GpyImages\\20221129045248923.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129045311715.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129045325531.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129045342963.pdf", "mime": "application/pdf"}, {"id": "ecletica-1456", "words": "33", "extension": ".pdf", "flesch": "-93", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "2006", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129045524427.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129045532011.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129045601058.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129045611332.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129045621715.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129045630930.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129045646331.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129045700938.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129045710378.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129045718362.pdf", "mime": "application/pdf"}, {"id": "ecletica-1457", "words": "33", "extension": ".pdf", "flesch": "-76", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "2006", "keywords": "c:\\program", "summary": "Files (x86)\\Scan\\GpyImages\\20221129045928488.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129045938970.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129045950506.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129050000698.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129050030123.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129050048477.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129050100562.pdf Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129045841939.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129045857354.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129045918283.pdf C:\\Program", "mime": "application/pdf"}, {"id": "ecletica-1458", "words": "33", "extension": ".pdf", "flesch": "-93", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "2006", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129050256859.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129050301659.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129050320178.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129050345890.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129050405682.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129050416702.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129050441875.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129050502194.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129050515335.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129050524713.pdf", "mime": "application/pdf"}, {"id": "ecletica-1459", "words": "30", "extension": ".pdf", "flesch": "-73", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "2006", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129050641922.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129050703729.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129050723425.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129050731818.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129050747513.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129050754653.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129050814521.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129050827212.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129050837809.pdf", "mime": "application/pdf"}, {"id": "ecletica-146", "words": "3719", "extension": ".pdf", "flesch": "56", "author": "de Brito, N\u00fabia Nat\u00e1lia; Brota, Giovani Archanjo; Pelegrini, Ronaldo Teixeira; Paterniani, Jos\u00e9 Euclides Stipp", "title": "Otimiza\u00e7\u00e3o do processo fotocatal\u00edtico heterog\u00eaneo para o tratamento de percolado de aterro sanit\u00e1rio", "date": "2014", "keywords": "com; concentra\u00e7\u00e3o; fotocatal\u00edtico; l.min-1; l\u00e2mpada; mg.l-1; para; percolado; que; redu\u00e7\u00e3o; tabela; temperatura; tempo; tio2; tratamento; vaz\u00e3o", "summary": "Com os resultados obtidos por meio do planejamento fatorial (Tabela 2), observou-se que as condi\u00e7\u00f5es do teste 1 (concentra\u00e7\u00e3o de TiO2 de 900 mg.L-1; vaz\u00e3o de ar 15 L.min-1 e temperatura de 40\u00b0C) apresentou maior efici\u00eancia na redu\u00e7\u00e3o da cor do percolado (37,94%). vaz\u00e3o de ar em 15 L.min-1, foi realizado estudo da otimiza\u00e7\u00e3o da temperatura em testes de 240 minutos de tratamento fotocatal\u00edtico.", "mime": "application/pdf"}, {"id": "ecletica-1460", "words": "30", "extension": ".pdf", "flesch": "-88", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "2007", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129051033161.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129051100473.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129051124379.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129051135098.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129051147017.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129051154042.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129051208961.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129051228041.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129051248257.pdf", "mime": "application/pdf"}, {"id": "ecletica-1461", "words": "30", "extension": ".pdf", "flesch": "-88", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "2007", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129051623233.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129051634992.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129051651101.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129051700392.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129051713529.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129051723657.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129051738385.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129051813520.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129051824864.pdf", "mime": "application/pdf"}, {"id": "ecletica-1462", "words": "30", "extension": ".pdf", "flesch": "-73", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "2007", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129051931537.pdf C:\\Program Files ( x86)\\Scan\\GpyImages\\20221129051945296.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129052004849.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129052017265.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129052031709.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129052045973.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129052111544.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129052146871.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129052159624.pdf", "mime": "application/pdf"}, {"id": "ecletica-1463", "words": "33", "extension": ".pdf", "flesch": "-93", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "2007", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129052347001.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129052400800.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129052422432.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129052430215.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129052447024.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129052456127.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129052516816.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129052542856.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129052558471.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129052615487.pdf", "mime": "application/pdf"}, {"id": "ecletica-1464", "words": "33", "extension": ".pdf", "flesch": "-93", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "2008", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129052755200.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129052800768.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129052828825.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129052839145.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129052854600.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129052902927.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129052921799.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129052948690.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129053006087.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129053030895.pdf", "mime": "application/pdf"}, {"id": "ecletica-1465", "words": "33", "extension": ".pdf", "flesch": "-93", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "2008", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129053221639.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129053234751.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129053259759.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129053310096.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129053322015.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129053331983.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129053346191.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129053418639.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129053431888.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129053441528.pdf", "mime": "application/pdf"}, {"id": "ecletica-1466", "words": "33", "extension": ".pdf", "flesch": "-93", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "2008", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129053622583.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129053645743.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129053707383.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129053720983.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129053734203.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129053745597.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129053802687.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129053830382.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129053852848.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129053905863.pdf", "mime": "application/pdf"}, {"id": "ecletica-1467", "words": "33", "extension": ".pdf", "flesch": "-93", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "2008", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129054030899.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129054039558.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129054059062.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129054112312.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129054132222.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129054142502.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129054200358.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129054235830.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129054258927.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129054312136.pdf", "mime": "application/pdf"}, {"id": "ecletica-1468", "words": "36", "extension": ".pdf", "flesch": "-97", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "2010", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129060114886.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129060121381.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129060152173.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129060201908.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129060216565.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129060235429.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129060248000.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129060256948.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129060616004.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129060632237.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129060649292.pdf", "mime": "application/pdf"}, {"id": "ecletica-1469", "words": "30", "extension": ".pdf", "flesch": "-88", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "2009", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129054556190.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129054607750.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129054622078.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129054634751.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129054647375.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129054659943.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129054717455.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129054754286.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129054816061.pdf", "mime": "application/pdf"}, {"id": "ecletica-147", "words": "2791", "extension": ".pdf", "flesch": "60", "author": "Ur-Rehman, Saeed; Ul-Islam, Mazhar; Ikram, Muhammad; Rehman, Sadia; Shah, Syed Muhammad ; Mahdi, Kamran; Ullah, Farhat", "title": "Effect on the inhibitory activity of potential microbes on the complexation of methyl anthranilate derived hydrazide with Cu, Ni and Zn(II) metal ions", "date": "2014", "keywords": "abh; activity; anthranilate; complexes; gram; ligand; metal; methyl; studies", "summary": "These activities show that the hydrazide containing metal complexes become more potentially resistive to the microbial activities as compared to the sole ligand. *Calculated values are given in parenthesis Elemental analysis show that the metal to li- gand ratio is 1:1 and the composition of metal complex is M(ABH)X2 (Where X is Cl-, I-, and NO3-).", "mime": "application/pdf"}, {"id": "ecletica-1470", "words": "30", "extension": ".pdf", "flesch": "-88", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "2009", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129054957853.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129055009071.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129055029485.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129055042986.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129055059934.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129055113038.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129055124396.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129055146605.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129055200246.pdf", "mime": "application/pdf"}, {"id": "ecletica-1471", "words": "27", "extension": ".pdf", "flesch": "-83", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "2009", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129055338512.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129055347301.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129055409285.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129055416893.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129055428535.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129055437029.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129055503376.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129055521527.pdf", "mime": "application/pdf"}, {"id": "ecletica-1472", "words": "27", "extension": ".pdf", "flesch": "-70", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "2009", "keywords": "c:\\program", "summary": "Convert to PDF C:\\Program Files (x86)\\Scan\\GpyImages\\20221129055824677.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129055832124.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129055852333.pdf C:\\Program Files ( x86)\\Scan\\GpyImages\\20221129055903500.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129055918094.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129055930156.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129055950857.pdf C:\\Program Files (x86)\\Scan\\GpyImages\\20221129060007613.pdf", "mime": "application/pdf"}, {"id": "ecletica-1478", "words": "3983", "extension": ".pdf", "flesch": "51", "author": "Fernandes, Francisca Lousinha Alves; de Paula, Neidimar\u00a0Lopes Matias; Amorim, Celia Maria Freitas Guedes; Milhome, Maria Aparecida Liberato", "title": "Abordagem da \u201cQu\u00edmica Verde\u201d por professores no contexto da disciplina de Qu\u00edmica do ensino m\u00e9dio", "date": "2016", "keywords": "ambiental; como; dos; educa\u00e7\u00e3o; ensino; escola; forma; modo; nas; n\u00e3o; para; pesquisa; por; professores; que; qu\u00edmica; seus; sobre; sujeitos; uma; verde", "summary": "https://dx.doi.org/10.26850/1678-4618eqj.v41.1.2016.p66-73 66 Abordagem da \u201cQu\u00edmica Verde\u201d por professores no contexto da disciplina de Qu\u00edmica do ensino m\u00e9dio Francisca L. A. Fernandes 1 , Neidimar L. M de Paula 1 , C\u00e9lia M. F. G. Amorim 1 , Maria A. L. Milhome 1* ____________________________________________________________________________ Diante desse contexto, a pesquisa visa analisar a inser\u00e7\u00e3o da QV dentro da disciplina de Qu\u00edmica por professores do ensino m\u00e9dio.", "mime": "application/pdf"}, {"id": "ecletica-1479", "words": "4625", "extension": ".pdf", "flesch": "51", "author": "El Mesky, Mohammed ; Zgueni, Hicham; Jabha, Mohamed; Youssefi, Youssef ; Amri, Nabil ; Azdouz, M\u2019barek; Oubair, Ahmad ; Chebabe, Driss ; Azrour, Mohamed ; Mabrouk, El Houssine", "title": "Identification and theoretical study of the regioselectivity of the synthesis reaction of an \u03b1-heterocyclic \u03b1-amino ester", "date": "2024", "keywords": "amine; chem; derivatives; et al; heterocyclic; methyl; reaction; synthesis", "summary": "https://doi.org/10.1021/ar068023r El-Sabbagh, O. I.; Baraka, M. M.; Ibrahim, S. M.; Pannecouque, C.; Andrei, G.; Snoeck, R.; Rashad, A. A. Synthesis and antiviral activity of new pyrazole and thiazole derivatives. https://doi.org/10.5897/AJPP2016.4401 Abu-Hashem, A. A.; Gouda, M. A. Synthesis and Antimicrobial Activity of Some Novel Quinoline, Chromene, Pyrazole Derivatives Bearing Triazolopyrimidine Moiety.", "mime": "application/pdf"}, {"id": "ecletica-148", "words": "3119", "extension": ".pdf", "flesch": "63", "author": "Barreto, Wagner Jos\u00e9; Magosso, Herica Aparecida; Soares, Miriam F\u00e1tima; Oliveira Silveira, Bruno Marco; Spacino Scarminio, Ieda; Norio Ishikawa, D\u00edlson; Giancoli Barreto, S\u00f4nia Regina", "title": "Determination of Ni(II) in alloys using a new reagent derived from L-dopa", "date": "2014", "keywords": "determination; l-1; mol; ni(ii; nickel; solution", "summary": "The study of metal interferences showed that Mn(II) and Cu(II) interfere more significantly, whereas the traditionally most problematic metal in terms of interference in nickel determination, that is, cobalt, showed low in- terference. [22] Z. J. Li, J. M. Pan, J. Tang, Anal.", "mime": "application/pdf"}, {"id": "ecletica-1484", "words": "4166", "extension": ".pdf", "flesch": "52", "author": "Pasha, Chand", "title": "Determination of amoxicillin: A penicillin antibiotic in pharmaceutical dosage samples by spectrophotometric method", "date": "2024", "keywords": "amoxicillin; determination; diamine; https://doi.org/10.26850/1678-4618.eq.v49.2024.e1484; ml\u20131; sulphanilamide; toluene; toluene diamine", "summary": "Section Editor Paulo Clairmont Feitosa Lima Gomes Highlights The 2,4-toluene diamine and sulphanilamide were used for amoxicillin determination. B. 2014, 969, 162\u2013 170. https://doi.org/10.1016/j.jchromb.2014.08.008 Santos, D. P.; Bergamini, M. F.; Zanoni M. V. B. Voltammetric sensor for amoxicillin determination in human urine using Polyglutamic acid/glutaraldehyde film.", "mime": "application/pdf"}, {"id": "ecletica-1485", "words": "7079", "extension": ".pdf", "flesch": "54", "author": "Pontes, Ana Cristina Facundo de Brito; Nascimento, Luciana Ara\u00fajo; Pontes, Daniel de Lima ; Oliveira, \u00d3tom Anselmo de ; Nascimento, Francisco Ordelei da Silva ; Silva J\u00fanior, Francimar Lopes da", "title": "Influence of chitosan\u2019s purification methodology on the formation of layer-by-layer films", "date": "2024", "keywords": "chitosan; et al; films; https://doi.org/10.26850/1678-4618.eq.v49.2024.e1485; layer; purification; qtacetate; qtneutral", "summary": "2000, 46 (1), 1\u201327. https://doi.org/10.1016/S1381- 5148(00)00038-9 Laranjeira, M. C. M.; F\u00e1vere, V. T. Quitosana: biopol\u00edmero funcional com potencial industrial biom\u00e9dico. 2013, 24 (1), 121\u2013132. https://doi.org/10.1590/S0103-50532013000100017 Mart\u00ednez-Camacho, A. P.; Cortez-Rocha, M. O.; Ezquerra-Brauer, J. M.; Graciano-Verdugo, A. Z.; Rodriguez-F\u00e9lix, F.; Castillo-Ortega, M. M.; Y\u00e9piz-G\u00f3mez, M. S.; Plascencia-Jatomea, M. Chitosan composite films: Thermal, structural, mechanical and antifungal properties.", "mime": "application/pdf"}, {"id": "ecletica-1486", "words": "543", "extension": ".pdf", "flesch": "21", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial board", "date": "2023", "keywords": "brazil; chemistry; prof; university", "summary": "https://orcid.org/0000-0002-4121-0384 Prof. Angela Cabezas da Rosa, Technological University, South Center Regional Technological Institute, Durazno, Uruguay. https://orcid.org/0000-0001-5460-019X Prof. Camila Silveira da Silva, Federal University of Paran\u00e1, Department of Chemistry, Curitiba, Brazil. https://orcid.org/0000-0002-2896-4392 Prof. Boutros Sarrouh, Federal University of S\u00e3o Jo\u00e3o Del-Rei, Department of Chemistry, Biotechnology and Bioprocess Engineering, S\u00e3o Jo\u00e3o Del-Rei, Brazil.", "mime": "application/pdf"}, {"id": "ecletica-1487", "words": "498", "extension": ".pdf", "flesch": "27", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "2023", "keywords": "chemistry", "summary": "Imine compounds exhibit a wide range of useful biological activity, such as inflammatory, antimalarial, analgesic, antioxidant, antimicrobial, anthelmintic, antitubercular and anticancer. This issue is opened with the exam of empirical articles about social media increasing the motivation to study chemistry for high school and undergraduate students.", "mime": "application/pdf"}, {"id": "ecletica-1488", "words": "41", "extension": ".pdf", "flesch": "-92", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Database", "date": "2023", "keywords": "links", "summary": "https://revista.iq.unesp.br/index.php/ecletica https://doaj.org/toc/1678-4618 http://bit.do/EQJ_CAS https://www.redib.org/recursos/Record/oai_revista5161-ecl%C3%A9tica-qu%C3%ADmica https://www.latindex.org/latindex/ficha?folio=16477 https://www.scopus.com/sourceid/23521 https://scholar.google.com.br/citations?hl=pt-BR&user=-J-pPugAAAAJ&authuser=1 https://www.redalyc.org/revista.oa?id=429 http://www.speciation.net/Database/Journals/Ecletica-Quimica-Journal-;i1882 https://biblat.unam.mx/pt/revista/ecletica-quimica https://inis.iaea.org/search/search.aspx?orig_q=journal:%22ISSN%200100-4670%22 https://www.iq.unesp.br/ https://www2.unesp.br/ https://www.abecbrasil.org.br/novo/ https://www.gov.br/cnpq/pt-br The address is for subscribers only.", "mime": "application/pdf"}, {"id": "ecletica-1489", "words": "3690", "extension": ".pdf", "flesch": "49", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Author guidelines", "date": "2023", "keywords": "authors; data; eclet; information; letter; manuscript; quim; text", "summary": "Authors\u2019 contribution We request authors to include author contributions according to CRediT taxonomy standardized contribution descriptions. CRediT https://revista.iq.unesp.br/index.php/ecletica Author Guidelines revista.iq.unesp.br c. Unbiased research: Authors are responsible for carefully searching for all the scientific work relevant to their reasoning irrespective of whether they agree or not with the presented information.", "mime": "application/pdf"}, {"id": "ecletica-149", "words": "2938", "extension": ".pdf", "flesch": "60", "author": "Semire, Banjo; Ajibade Adejoro, Isaiah; Odunola, Olusegun Abayomi", "title": "Conformational analysis and electronic properties of fluoromethylfuran oligomers: semiempirical and DFT study", "date": "2014", "keywords": "chem; fmf; monomers; oligomers; polymers; values", "summary": "Table 1: Selected bond lengths (\u01fa) and dihedral angles (\u02daC) of FMF oligomers obtained at B3LYP/6-31G(d) and ZINDO/AM1 (bold) methods. The HLG values of FMF oligomers, defined in Figure 4, are calculated at B3LYP/6-31G(d) level of theory.", "mime": "application/pdf"}, {"id": "ecletica-1491", "words": "2571", "extension": ".pdf", "flesch": "56", "author": "Rokhim, Deni Ainur; Asrori, Muhammad Roy; Wijaya, Husni Wahyu", "title": "Complex compound of trinitrotriamminecobalt(III): in theoretical studies", "date": "2024", "keywords": "atom; co(nh3)3(no2)3; complex; compound; electrons; ligands", "summary": "Article History Received May 17, 2023 Accepted November 20, 2023 Published February 16, 2024 Keywords 1. complex compound; 2. cobalt complex; 3. trinitrotriamminecobalt(III). Introduction The recent development of complex compounds is increasingly changing along with its usefulness in everyday life.", "mime": "application/pdf"}, {"id": "ecletica-1492", "words": "5453", "extension": ".pdf", "flesch": "42", "author": "Kolawole, Oyebamiji Abel; Eniola, Olujinmi Faith; Adewale, Akintelu Sunday; Babatunde, Adetuyi; Olubanke, Ogunlana; Banjo, Semire; Temitope, Akintayo Emmanuel; Olufunke, Akintayo Cecilia; Oyebamiji, Babalola Jonathan; Mary, Olawoye Bolanle; Oluwasayo, Aworinde Juliana", "title": "Predicting the biological activity of selected phytochemicals in Alsophila spinulosa leaves against 4-aminobutyrate-aminotransferase: A potential antiepilepsy agents", "date": "2024", "keywords": "alkyl; aminotransferase; binding; bond; compound; epilepsy; https://doi.org/10.26850/1678-4618.eq.v49.2024.e1492; hydrogen; hydrogen bond; spinulosa; toxicity", "summary": "Oyebamiji, A. K.; Akintayo, E. T.; Semire, B.; Odelade, K. A.; Adetuyi, B. O.; Amin, H.; Batiha, G. E. Insilico investigation on isatin(1H-indole- 2,3-dione) derivatives as potential anti-tumor necrosis factor-alpha. Authors\u2019 contributions Conceptualization: Oyebamiji, A. K.; Data curation: Olujinmi, F. E.; Formal Analysis:", "mime": "application/pdf"}, {"id": "ecletica-1495", "words": "5403", "extension": ".pdf", "flesch": "43", "author": "Castro Valdiviezo, Havdih; Batista Zald\u00edvar, Mario Adelfo", "title": "Scientific recreations to favor the learning of the periodic table in high school students with incomplete schooling", "date": "2023", "keywords": "chemistry; didactic; education; games; group; learning; school; students; table; teaching", "summary": "This result corroborates Cuich\u00e1n (2018), who refers that, in order to improve student learning in the subject of Chemistry, it is necessary that teachers plan their classes with strategies that allow students to assimilate it, in a more attractive, interesting and participatory way during the teaching-learning process, in order to achieve meaningful learning. learning Section Editors: Natany Dayani de Souza Assai ABSTRACT: Didactic games for science teaching contribute to student learning and break with traditional teaching models.", "mime": "application/pdf"}, {"id": "ecletica-1496", "words": "4122", "extension": ".pdf", "flesch": "59", "author": "Rokhim, Deni Ainur; Smith, Diana Novel; Mukhtar, Alfredo Radinal; Koto, Azzahra Zafira Putri ", "title": "Optimizing sewage water of Perum Pesona Permata Gading with the assistance of Cu/Mg electrodes as public street lighting based on green technology electricity", "date": "2024", "keywords": "current; electrodes; energy; https://doi.org/10.26850/1678-4618.eq.v49.2024.e1496; lighting; min; sewage; voltage; water", "summary": "The reason why the writer chooses to do this research is that the writer wants to examine how the increasing demand for electrical energy in Indonesia is currently not balanced with the availability of electrical energy supply or the electrical energy crisis is something that cannot be avoided. Furthermore, the increasing demand for electrical energy in Indonesia is currently not balanced with the availability of electrical energy supply.", "mime": "application/pdf"}, {"id": "ecletica-1497", "words": "6161", "extension": ".pdf", "flesch": "54", "author": "Van der Horst, Charlton; Gil, Eric de Souza; Somerset, Vernon", "title": "Electrochemical sensing of uric acid using bismuth-silver bimetallic nanoparticles modified sensor", "date": "2024", "keywords": "acid; agnps; der; detection; electrochemical; gce; horst; nanosensor; samples; uric; van", "summary": "These GCE/Bi\u2013Ag nanosensor electrochemical performances were studied using cyclic voltammetry (CV) and differential pulse voltammetry (DPV) modes showing excellent electrochemical properties toward UA detection in contrast with the clean GCE. Bai et al. (2017) described the fabrication of a biosensor for UA detection in urine samples that includes cationic poly(diallyldimethylammonium chloride) functionalized reduced graphene oxide and polyoxometalates clusters combined with anionic Au nanoparticles.", "mime": "application/pdf"}, {"id": "ecletica-1498", "words": "5273", "extension": ".pdf", "flesch": "36", "author": "Vivas-Reyes, Ricardo; Navarro, Daniela; Cortes, Luis Eduardo", "title": "Foundations and applications of the orbital theory in chemistry: A philosophical perspective", "date": "2024", "keywords": "atomic; atoms; chemical; chemistry; electrons; molecules; orbitals; properties; quantum; theory", "summary": "In the context of atomic orbitals, the debate primarily revolves around ontics, aiming to ascertain whether orbitals possess a genuine existence. In the domain of chemistry, the theory of molecular orbitals assumes a vital role, elucidating the stability and reactivity of organic and inorganic compounds.", "mime": "application/pdf"}, {"id": "ecletica-1499", "words": "527", "extension": ".pdf", "flesch": "21", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial board", "date": "2023", "keywords": "brazil; chemistry; prof; university", "summary": "https://orcid.org/0000-0002-4121-0384 Prof. Angela Cabezas da Rosa, Technological University, South Center Regional Technological Institute, Durazno, Uruguay. https://orcid.org/0000-0001-5460-019X Prof. Camila Silveira da Silva, Federal University of Paran\u00e1, Department of Chemistry, Curitiba, Brazil. https://orcid.org/0000-0002-2896-4392 Prof. Boutros Sarrouh, Federal University of S\u00e3o Jo\u00e3o Del-Rei, Department of Chemistry, Biotechnology and Bioprocess Engineering, S\u00e3o Jo\u00e3o Del-Rei, Brazil.", "mime": "application/pdf"}, {"id": "ecletica-150", "words": "3327", "extension": ".pdf", "flesch": "62", "author": "Malik, Suman; Das, Supriya; Jain, Bharti", "title": "Transition metal complexes of omeprazole an anti-ulcerative drug", "date": "2014", "keywords": "c17h19n3o3s)2; cm-1; complexes; geometry; h2o; ligand; metal; omeprazole; spectra; values", "summary": "[S. E. M.]: SEM of metal complexes indicate the presence of well defined crystals free from any shadow of the metal ion on their external surface. preliminary results show that the activity of the ligand is enhanced when it is presented in the form of metal complex.", "mime": "application/pdf"}, {"id": "ecletica-1500", "words": "503", "extension": ".pdf", "flesch": "35", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "2023", "keywords": "issue; literacy", "summary": "| Editorial The current issue of Ecl\u00e9tica Qu\u00edmica, the third of 2023, contains original articles focusing on natural products, metal complexes and one dealing with the efficiency of two approaches on scientific literacy and students\u2019 regulated learning. Follows an article discussing the effect of the Cooperative Integrated Reading and Composition (CIRC) approach on scientific literacy and students\u2019 regulated learning in colligative properties of solution whose efficiency was compared with Direct Instructional Teaching Method (DITM).", "mime": "application/pdf"}, {"id": "ecletica-1501", "words": "41", "extension": ".pdf", "flesch": "-92", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Database", "date": "2023", "keywords": "links", "summary": "https://revista.iq.unesp.br/index.php/ecletica https://doaj.org/toc/1678-4618 http://bit.do/EQJ_CAS https://www.redib.org/recursos/Record/oai_revista5161-ecl%C3%A9tica-qu%C3%ADmica https://www.latindex.org/latindex/ficha?folio=16477 https://www.scopus.com/sourceid/23521 https://scholar.google.com.br/citations?hl=pt-BR&user=-J-pPugAAAAJ&authuser=1 https://www.redalyc.org/revista.oa?id=429 http://www.speciation.net/Database/Journals/Ecletica-Quimica-Journal-;i1882 https://biblat.unam.mx/pt/revista/ecletica-quimica https://inis.iaea.org/search/search.aspx?orig_q=journal:%22ISSN%200100-4670%22 https://www.iq.unesp.br/ https://www2.unesp.br/ https://www.abecbrasil.org.br/novo/ https://www.gov.br/cnpq/pt-br The address is for subscribers only.", "mime": "application/pdf"}, {"id": "ecletica-1502", "words": "3690", "extension": ".pdf", "flesch": "49", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Author guidelines", "date": "2023", "keywords": "authors; data; eclet; information; letter; manuscript; quim; text", "summary": "Authors\u2019 contribution We request authors to include author contributions according to CRediT taxonomy standardized contribution descriptions. CRediT https://revista.iq.unesp.br/index.php/ecletica Author Guidelines revista.iq.unesp.br c. Unbiased research: Authors are responsible for carefully searching for all the scientific work relevant to their reasoning irrespective of whether they agree or not with the presented information.", "mime": "application/pdf"}, {"id": "ecletica-1503", "words": "178", "extension": ".pdf", "flesch": "14", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Summary", "date": "2023", "keywords": "chemistry", "summary": "81 Mariana Fonseca, Marcelo Kobelnik, Gustavo Guadagnucci Fontanari, Marisa Spirandeli Crespi, Cl\u00f3vis Augusto Ribeiro https://revista.iq.unesp.br/index.php/ecletica 36 Yasmin Mos\u2019ad Jamil, Fathi Mohammed Al-Azab, Nedhal Abdulmawla Al-Selwi Potential inhibiting activities of phytochemicals in Scilla natalensis bulbs against schistosomiasis .................................................................................................................... 54 Abel Kolawole Oyebamiji, Jonathan Oyebamiji Babalola, Kehinde Abraham Odelade, Sunday Adewale Akintelu, Olubunmi Ayoola Nubi, Halleluyah Oluwatobi Aworinde, Esther Faboro, Emmanuel Temitope Akintayo, Banjo Semire Oil extraction from seeds of Carica papaya L.: Obtaining the lipid profile and thermal evaluation.............................................................................................................................", "mime": "application/pdf"}, {"id": "ecletica-1504", "words": "5035", "extension": ".pdf", "flesch": "55", "author": "Alkan, Fatma", "title": "The concept of chemistry laboratory in high school", "date": "2024", "keywords": "association; categories; category; chemistry; concepts; educ; laboratory; school; students; test; words", "summary": "+Corresponding author: Fatma Alkan, Phone: +903122976787, Email address: alkanf@hacettepe.edu.tr Original Article, Education in Chemistry and Correlated Areas The concept of chemistry laboratory in high school Fatma Alkan1+ Abstract This research aims to determine the cognitive structures of high school students in the \u201cchemistry laboratory\u201d and to reveal their alternative concepts using the independent word association test and the drawing-writing technique. When students\u2019 answer words are analyzed, it is seen that the concepts related to chemistry laboratory are Laboratory equipment (f:99), Chemical agent (f:41), Protective materials (f:29), Jobs (f:15), Operations in the laboratory (f:49) and Chemistry concepts (f:53).", "mime": "application/pdf"}, {"id": "ecletica-1505", "words": "8304", "extension": ".pdf", "flesch": "55", "author": "de Sousa, Francisco Wagner; Maia, Maxwell Lima; Quintanilha, Wendy Fernandes Lavigne; Cassiano, Demostenis Ramos; Bertoncini, Bruno Vieira; Nascimento, Ronaldo Ferreira; Oliveira, Cleidiane Silva; Ribeiro, Jefferson Pereira", "title": "Estimation of nitrogen dioxide levels on streets from Fortaleza Brazil using passive sampling and multivariate analysis", "date": "2024", "keywords": "average; concentrations; et al; levels; m\u20133; no2; points; rainy; sampling; street; traffic", "summary": "Russo, A.; Trigo, R. M.; Martins, H.; Mendes, M. T. NO2, PM10 and O3 urban concentrations and its association with circulation weather types in Portugal. https://doi.org/10.21577/0100-4042.20170117 Stricker, M. D.; Onland-Moret, N. C.; Boer, J. M. A.; Van Der Schouw, Y. T.; Verschuren, W. M. M.; May, A. M.; Peeters, P. H. M.; Beulens, J. W. J. Dietary patterns derived from principal component- and k-means cluster analysis: Long-term association with coronary heart disease and stroke.", "mime": "application/pdf"}, {"id": "ecletica-1507", "words": "4222", "extension": ".pdf", "flesch": "47", "author": "Setiawan, Nur Candra Eka; Herunata, Herunata; Rosli, Mohd Shafie ", "title": "The creativity of chemistry education students in the digital age", "date": "2025", "keywords": "chemistry; creativity; digital; education; https://doi.org/10.26850/1678-4618.eq.v50.2025.e1507; learning; media; products; setiawan; students", "summary": "In this phase, student creativity will be optimized because they must be able to create digital learning media that are in line with current developments. The creativity of chemistry education students in the digital age Nur Candra Eka Setiawan1,2+ , Herunata Herunata2 , Mohd Shafie Rosli1", "mime": "application/pdf"}, {"id": "ecletica-1508", "words": "5202", "extension": ".pdf", "flesch": "44", "author": "Widarti, Hayuni Retno; Nuriyanti, Dian; Sari, Meyga Evi Ferama; Wiyarsi, Antuni; Yamtinah, Sri; Rokhim, Deni Ainur", "title": "Identification of learning difficulties and misconceptions of chemical bonding material: A review", "date": "2024", "keywords": "bonding; bonds; chemical; difficulties; learning; material; misconceptions; students; test; tier; understanding", "summary": "3. Results and discussion From the findings of the academic publications, the topic of discussion in this review article is divided into 3 parts, including difficulty learning chemical bonds, development of chemical bonding misconception diagnostic methods, and identification of chemical bonding misconceptions. The difference between the three lies in the division of categories to analyze student misconceptions.", "mime": "application/pdf"}, {"id": "ecletica-151", "words": "3392", "extension": ".pdf", "flesch": "60", "author": "Calgaroto, Selma; Calgaroto, Cl\u00e9ber; Penha, F\u00e1bio Garcia; Pergher, Sibele Berenice Castell\u00e3; Oliveira, Luiz Carlos Alves", "title": "Incorpora\u00e7\u00e3o de Nb em Ze\u00f3litas: uso como catalisadores na decomposi\u00e7\u00e3o do per\u00f3xido de oxig\u00eanio", "date": "2014", "keywords": "com; como; decomposi\u00e7\u00e3o; dos; figura; foram; h2o2; materiais; para; por; que; qu\u00edmica; uma; ze\u00f3lita", "summary": "de Nb adicionada e a CTC (capacidade de troca cati\u00f4nica) m\u00e1xima. Sendo assim, este trabalho tem por objetivo estudar a incopora\u00e7\u00e3o de Nb nas ze\u00f3litas ZSM-5 e Y visando aumentar a atividade destes materiais.", "mime": "application/pdf"}, {"id": "ecletica-1512", "words": "6864", "extension": ".pdf", "flesch": "53", "author": "Anthony, William Ojoniko; Okpala, Ejike Onwudiegwu; Obiyenwa, Kehinde Gabriel; Eneogwe, Godfrey Okechukwu; Semire, Banjo", "title": "Phytochemical screening, antiproliferative evaluation, and molecular docking studies of Acacia nilotica fruit from Nigeria", "date": "2024", "keywords": "cancer; extract; fruit; https://doi.org/10.26850/1678-4618.eq.v49.2024.e1512; mol\u20131; nilotica; semire; test; tube", "summary": "Phytochemical screening Five grams of the dried aqueous extract of A. nilotica fruit was obtained from a sample of 50 g of powdered A. nilotica fruits by water infusion. Preliminary phytochemical screening A powder sample of A. nilotica fruit was subjected to phytochemical screening using the methods outlined by (Yusuf et al., 2014) to detect chemical components.", "mime": "application/pdf"}, {"id": "ecletica-1514", "words": "6532", "extension": ".pdf", "flesch": "60", "author": "Al-Maydama, Hussein Manaa Ali; Abduljabbar, Adlia Ahmad Mohammad", "title": "Study of the impact of irradiation and temperature on physical and chemical characteristics of paracetamol", "date": "2024", "keywords": "decomposition; degradation; https://doi.org/10.26850/1678-4618.eq.v49.2024.e1514; mol\u20131; paracetamol; paracetamol samples; samples; standard; temperature", "summary": "At the same concentration of the interest of paracetamol samples, the photocatalytic decomposition processes were individually investigated. 2.3. Before and after treatments, 100 mg of paracetamol samples were dissolved in 100 mL of the mobile phase.", "mime": "application/pdf"}, {"id": "ecletica-1515", "words": "11352", "extension": ".pdf", "flesch": "62", "author": "Alattab, Bushra; Alarbagi, Fares Abdullah ; Almaqtari , Maher Ali; Alhuraishi, Entesar ; Al-Maydama, Hussein ", "title": "Development and validation of a green spectrophotometric method for simultaneous determination of combined pharmaceutical dosage form (paracetamol and caffeine) using chemometrics technique in comparison with HPLC", "date": "2024", "keywords": "analysis; caffeine; conc; concentrations; determination; et al; https://doi.org/10.26850/1678-4618.eq.v49.2024.e1515; method; models; paracetamol; pcr; pharmaceutical; pls; results; sample; spectrophotometric; table; validation; \u03bcg ml\u20131", "summary": "A tremendous agreement between the predicted (calculated) and actual paracetamol and caffeine concentrations for the PLS and PCR models can be observed in Figs. 4 and 5. Validation of the chemometric analysis for paracetamol and caffeine determination 3.2.1.", "mime": "application/pdf"}, {"id": "ecletica-1519", "words": "549", "extension": ".pdf", "flesch": "21", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial board", "date": "2023", "keywords": "brazil; chemistry; prof; university", "summary": "https://orcid.org/0000-0002-4121-0384 Prof. Angela Cabezas da Rosa, Technological University, South Center Regional Technological Institute, Durazno, Uruguay. https://orcid.org/0000-0001-5460-019X Prof. Camila Silveira da Silva, Federal University of Paran\u00e1, Department of Chemistry, Curitiba, Brazil. https://orcid.org/0000-0002-2896-4392 Prof. Boutros Sarrouh, Federal University of S\u00e3o Jo\u00e3o Del-Rei, Department of Chemistry, Biotechnology and Bioprocess Engineering, S\u00e3o Jo\u00e3o Del-Rei, Brazil.", "mime": "application/pdf"}, {"id": "ecletica-152", "words": "6518", "extension": ".pdf", "flesch": "53", "author": "G\u00fcrkan, Ramazan; Ulusoy, Halil \u0130brahim; Ak\u00e7ay, Mehmet", "title": "Surfactant enhanced-spectrophotometric determination of uranium (VI) at trace levels by using eriochrome black T as a chelating agent", "date": "2014", "keywords": "absorbance; complex; concentration; ctab; determination; method; solution; surfactant; u(vi; uranium; water", "summary": "Figure 6 (b): The determination of composition of U(VI)-EBT- CTAB ternary complex in presence of CTAB at 637 nm at pH 9.5 by using Job\u2019s method 0 0.05 0.1 0.15 0.2 0.25 0.3 0 0.25 0.5 0.75 1 EBT concentration, x104 M A bs or ba nc e In aqueous solution In aqueous surfactant solution 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0 0.25 0.5 0.75 1 1.25 CTAB concentration, mM A bs or ba nc e In presence of 0.4 mL U(VI) solution at equimolar concentration In presence of 0.5 mL U(VI) solution at equimolar concentration 42Ecl\u00e9tica Qu\u00edmica, 36 (3), 37-46, 2011. It was found that the absorbance signal also increased linearly with increasing EBT concentration in both reaction media in the concentration range of 0.553-1.843 mM. It can clearly be seen that the absorbance change is higher for the same reagent concentration in the cationic surfactant medium.", "mime": "application/pdf"}, {"id": "ecletica-1520", "words": "464", "extension": ".pdf", "flesch": "33", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Editorial", "date": "2023", "keywords": "students", "summary": "In the sequence, the analysis of different varieties of the same species demonstrates the different distribution of the volatile compounds present in leaves of Mangifera indica L. essential oils. Editorial revista.iq.unesp.br | Vol. 48 | n. 4 | 2023 | Editorial In the fourth issue of Ecl\u00e9tica Qu\u00edmica, in 2023, readers will find important articles on chemistry education, groundwater quality and the rich chemical composition of volatile compounds contained in leaves of a medicinal plant.", "mime": "application/pdf"}, {"id": "ecletica-1521", "words": "41", "extension": ".pdf", "flesch": "-92", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Ecl\u00e9tica Qu\u00edmica", "date": "2023", "keywords": "links", "summary": "https://revista.iq.unesp.br/index.php/ecletica https://doaj.org/toc/1678-4618 http://bit.do/EQJ_CAS https://www.redib.org/recursos/Record/oai_revista5161-ecl%C3%A9tica-qu%C3%ADmica https://www.latindex.org/latindex/ficha?folio=16477 https://www.scopus.com/sourceid/23521 https://scholar.google.com.br/citations?hl=pt-BR&user=-J-pPugAAAAJ&authuser=1 https://www.redalyc.org/revista.oa?id=429 http://www.speciation.net/Database/Journals/Ecletica-Quimica-Journal-;i1882 https://biblat.unam.mx/pt/revista/ecletica-quimica https://inis.iaea.org/search/search.aspx?orig_q=journal:%22ISSN%200100-4670%22 https://www.iq.unesp.br/ https://www2.unesp.br/ https://www.abecbrasil.org.br/novo/ https://www.gov.br/cnpq/pt-br The address is for subscribers only.", "mime": "application/pdf"}, {"id": "ecletica-1522", "words": "3697", "extension": ".pdf", "flesch": "49", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Author guidelines", "date": "2023", "keywords": "authors; data; eclet; information; letter; manuscript; quim; text", "summary": "Authors\u2019 contribution We request authors to include author contributions according to CRediT taxonomy standardized contribution descriptions. CRediT https://revista.iq.unesp.br/index.php/ecletica Author Guidelines revista.iq.unesp.br c. Unbiased research: Authors are responsible for carefully searching for all the scientific work relevant to their reasoning irrespective of whether they agree or not with the presented information.", "mime": "application/pdf"}, {"id": "ecletica-1523", "words": "143", "extension": ".pdf", "flesch": "27", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Summary", "date": "2023", "keywords": "summary", "summary": "27 Claudia Andrea Lima Cardoso, Elina Bastos Caram\u00e3o, Thiago Luis Aguayo de Castro, Euclesio Simionatto Multivariate statistical analysis of physicochemical parameters of groundwater quality using PCA and HCA techniques ................................................................................................... 37 Antonio Jos\u00e9 Ferreira Gadelha, Clarice Oliveira da Rocha, Jos\u00e9 Germano Veras Neto, Mirelly Alexandre Gomes Scientific recreations to favor the learning of the periodic table in high school students with incomplete schooling ........................................................................................................... 48 Havdih Castro Valdiviezo, Mario Adelfo Batista Zald\u00edvar https://revista.iq.unesp.br/index.php/ecletica A Review ............................................................................................................................................. 17 Hayuni Retno Widarti, Allykha Baharsyah, Deni Ainur Rokhim, Afis Baghiz", "mime": "application/pdf"}, {"id": "ecletica-1524", "words": "8997", "extension": ".pdf", "flesch": "48", "author": "de Sousa, Lu\u00eds Miguel Pinheiro; Cunha, Kariny Mery Araujo; Ferreira, Luciana Nobre de Abreu; de Souza, Alexandre Araujo", "title": "Quantum chemistry in public higher education institutions in the Brazilian state of Piau\u00ed: an analysis of the perceptions of undergraduate chemistry students", "date": "2024", "keywords": "chemistry; concepts; content; education; fig; https://doi.org/10.26850/1678-4618.eq.v49.2024.e1524; knowledge; learning; mechanics; quantum; qu\u00edmica; respondents; statement; students; subject; topics; understanding", "summary": "4. Conclusions Basic knowledge of quantum chemistry is more than necessary for a better understanding of modern chemistry, especially for chemistry students who will be responsible for teaching this field of knowledge in the future. However, most chemistry students have great difficulty understanding the concepts covered in undergraduate courses.", "mime": "application/pdf"}, {"id": "ecletica-1526", "words": "7974", "extension": ".pdf", "flesch": "61", "author": "Al\u2013Selwi, Nedhal Abdulmawla; Al\u2013Azab, Abbas Mohamed; Jamil, Yasmin Mosa\u2019d Saeed; Al\u2013Azab, Fathi Mohamed; Al\u2013Ryami, Anwar Mohamed", "title": "Evaluation of the effectiveness of new mixed ligand complexes against the vector of Dengue fever Aedes aegypti (Diptera; Culicidae)", "date": "2024", "keywords": "aedes; aegypti; chloroquine; cm\u20131; complexes; et al; figure; https://doi.org/10.26850/1678-4618.eq.v49.2024.e1526; ibu; ibuprofen; larvae; metal; smx", "summary": "Crystals. 2022, 12 (3), 340. https://doi.org/10.3390/cryst12030340 Alyousefi, T. A. A.; Abdul\u2013Ghani, R.; Mahdy, M. A. K.; Al\u2013Eryani, S. M. A.; Al\u2013Mekhlafi, A. M.; Raja Y. A.; Shah, S. A.; Beier, J. C. Authors\u2019 contributions Conceptualization: Jamil, Y. M.; Al\u2013Azab, F. M.; Al\u2013Ryami, A. M.; Data curation: Al\u2013Ryami, A. M.; Formal Analysis: Jamil, Y. M.; Al\u2013 Ryami, A. M.; Al\u2013Selwi, N. A.; Funding acquisition: Not applicable;", "mime": "application/pdf"}, {"id": "ecletica-1527", "words": "6643", "extension": ".pdf", "flesch": "60", "author": "Al-Maqtari, Maher Ail; Al-Maydama, Hussen Manaa; Bahadi, Murad Awadh; Barfed, Hani Mahfoodh", "title": "Physicochemical characteristics of Hadhramaut Moringa peregrina seeds oil", "date": "2025", "keywords": "acid; composition; fatty; glycerol; hmpso; https://doi.org/10.26850/1678-4618.eq.v50.2025.e1527; moringa; nmr; oil; peregrina; physicochemical; ppm; seeds; value", "summary": "Nevertheless, the fatty acid composition is important for studying the characteristics of M. peregrina seed oil. Moringa peregrina seeds oil; 2.", "mime": "application/pdf"}, {"id": "ecletica-1528", "words": "5836", "extension": ".pdf", "flesch": "53", "author": "Okpala, Ejike Onwudiegwu ; Anthony, William Ojoniko; Eneogwe, Godfrey Okechukwu; Odeja, Oluwakayode Olubunmi ; Ibok, Michael Gabriel ; Onoja, Joel Ojogbane ; Odewo, Samuel Akinniyi; Ike, Shedrach Ndubuisi ; Onanuga, Olusimbo Adesegun; Semire, Banjo ", "title": "In vitro and in silico evaluation of the antimicrobial potential of Celtis zenkeri roots volatile metabolites", "date": "2024", "keywords": "activity; antimicrobial; compounds; docking; oil; oils; roots; volatile; zenkeri", "summary": "The major compounds in root volatile oil include 2-methyl-1- pentene (40.01%), Gremacrene D (19.68%) and Squalene (10.95%). Structures of the compounds identified in roots volatile oil of C. zenkeri.", "mime": "application/pdf"}, {"id": "ecletica-1529", "words": "11499", "extension": ".pdf", "flesch": "49", "author": "Ravotti, Daniela Andreina Sandoval; Correas, Hortensia Melero; Luis, N\u00faria Cinca", "title": "Last decade insights on cemented carbides: A review on alternative binders, new consolidation techniques and advanced characterization", "date": "2024", "keywords": "binder; carbides; et al; hardmetals; hardness; int; j. refract; mater; materials; mechanical; metals; properties; refract; sintering; technologies; toughness; wear", "summary": "https://doi.org/10.1016/j.surfcoat.2020.125579 Zheng, Y. F.; Fargas, G.; Besharatloo, H.; Serra, M.; Roa, J. J.; Armelin, E.; Lavigne, O.; Llanes, L.; Assessment of corrosion-induced changes on the mechanical integrity of cemented carbides at small length scales. Quim. 49 | e-1529, 2024 ISSN 1678-4618 page 3/14 a) b) c) Figure 2. (a) Schematic representation of truncated WC grains shape in WC-Co composites; (b) a typical microstructure of WC-Co cemented carbides with microstructural parameters commonly determined for cemented carbides; (c) microstructure of cemented carbide with gamma phase.", "mime": "application/pdf"}, {"id": "ecletica-153", "words": "9239", "extension": ".pdf", "flesch": "65", "author": "Sargentelli, Vagner; Ferreira, Ant\u00f4nio Aparecido Pupim", "title": "Magnetic nanoparticles: Co@SiO2, Co@Au and Co@Pt", "date": "2014", "keywords": "chem; co@au; co@sio2; cobalto; com; como; das; de cobalto; escudo; foi; foram; forma\u00e7\u00e3o; material; m\u00e9todo; nanopart\u00edculas; n\u00e3o; n\u00facleo; obten\u00e7\u00e3o; para; platina; por; propriedades; que; qu\u00edmica; ser; sistema; solu\u00e7\u00e3o; suas; superf\u00edcie; s\u00e3o; s\u00edlica; s\u00edntese; tamanho; tamb\u00e9m; uma", "summary": "Al\u00e9m disso, to- dos os materiais obtidos apresentam grande dispers\u00e3o de tamanho das nanopart\u00edculas de cobalto e, tamb\u00e9m, 10Ecl\u00e9tica Qu\u00edmica, 36 (4), 1 -13, 2011. Em particular, quanto menores quantidades de APS e TEOS foram us- adas, observou \u2013 se aus\u00eancia de part\u00edculas de cobalto no material obtido atrav\u00e9s da microscopia eletr\u00f4nica de transmiss\u00e3o.", "mime": "application/pdf"}, {"id": "ecletica-1530", "words": "8242", "extension": ".pdf", "flesch": "40", "author": "dos Santos Silva, Erasmo Moises; Arroio, Agnaldo", "title": "Teaching acid-base theories in the era of disinformation: A systematic review with proposals for content integration", "date": "2025", "keywords": "acid; arroio; base; chemistry; contents; disinformation; education; fake; https://doi.org/10.26850/1678-4618.eq.v50.2025.e1530; information; knowledge; media; nature; paper; review; science; silva; teaching; theories", "summary": "The paper analyzes fake science messages (according to the authors, fake news with scientific content) in written and video formats spread on WhatsApp during the first two years of the COVID-19 pandemic. To interact critically with scientific information, H\u00f6ttecke and Allchin (2020) argue that students need a holistic understanding of the epistemic structure and provenance of scientific claims encountered in everyday life.", "mime": "application/pdf"}, {"id": "ecletica-1531", "words": "5427", "extension": ".pdf", "flesch": "43", "author": "Deo, Leonardo Pratavieira; Aguiar Campolina, Gabriela ; Oliveira, Cassia Duarte; Garcia, Kassy Jhones; Cardoso, Maria das Gra\u00e7as ", "title": "Analyzing essential oils: extraction and characterization from fresh and dry leaves of Pinus elliottii", "date": "2024", "keywords": "chemical; elliottii; et al; germacrene; leaves; oils; pinene; pinus", "summary": "3. Results and discussion Table 1 presents the chemical composition average related to the triplicate chemical characterization and the standard deviation of essential oils derived from fresh and dry leaves of Pinus elliottii, highlighting the key components in each kind of essential oil. 2023, 13, 15311\u201315334. https://doi.org/10.1007/s13399-021-01963-3 El Asbahani, A.; Miladi, K.; Badri, W.; Sala, M.; Addi, E. H. A.; Casabianca, H.; El Mousadik, A.; Hartmann, D.; Jilale, A.; Renaud, F. N. R.; Elaissari, A. Essential oils: From extraction to encapsulation.", "mime": "application/pdf"}, {"id": "ecletica-1534", "words": "7277", "extension": ".pdf", "flesch": "43", "author": "Ardyansyah, Ananta; Rahayu, Sri", "title": "Technology-enhanced learning influence on chemical literacy: A systematic review", "date": "2024", "keywords": "articles; chemical; chemistry; educ; learning; literacy; reality; research; review; students; technology; understanding; virtual", "summary": "Scientific literacy has several other terms, but scientific literacy is the most widely recognized (Roberts, 2007). These competencies are part of scientific literacy, which is important nowadays.", "mime": "application/pdf"}, {"id": "ecletica-1535", "words": "586", "extension": ".pdf", "flesch": "42", "author": "Massabni, Antonio Carlos; Bertolini, Maria C\u00e9lia", "title": "In memoriam of Cecilia Laluce (1940 - 2023)", "date": "2024", "keywords": "araraquara; chemistry", "summary": "Antonio Carlos Massabni1,2+ , Maria C\u00e9lia Bertolini2 In 2019 Professor Cecilia Laluce, then serving as an emeritus professor since 2010, joined the Institute of Chemistry of Araraquara (IQAr) for the last time. +55 16 3301-9630, Email address: amassabni@uol.com.br Original Article - In memoriam of Cecilia Laluce (1940 - 2023)", "mime": "application/pdf"}, {"id": "ecletica-1538", "words": "6844", "extension": ".pdf", "flesch": "40", "author": "Widarti, Hayuni Retno; Amalia, Elvira Risva Firda; Rokhim, Deni Ainur", "title": "Enhancing student motivation in reaction rate topics through the integration of Instagram-based learning media and the Student Teams-Achievement Divisions cooperative model", "date": "2025", "keywords": "chemistry; class; control; group; https://doi.org/10.26850/1678-4618.eq.v50.2025.e1538; increase; instagram; learning; material; media; model; motivation; process; questions; rate; reaction; research; students", "summary": "Abstract Instagram-based learning media can be applied in chemistry learning because it can be accessed at any time, it is not limited by distance or time if you have an internet network and adequate hardware and can increase student learning motivation. Two primary considerations in implementing learning through social media on Instagram are the potential improvements in student learning motivation, particularly regarding reaction rate material.", "mime": "application/pdf"}, {"id": "ecletica-154", "words": "3394", "extension": ".pdf", "flesch": "52", "author": "Monteiro, S\u00e9rgio Henrique; Ciscato, Cl\u00e1udia Helena Pastor; Gebara, Amir Bertoni; Masini, Jorge Cesar", "title": "A liquid chromatography method for determination of pyrethroids insecticides residues in beans", "date": "2014", "keywords": "amostras; com; como; dos; feij\u00e3o; foi; foram; limite; m\u00e9todo; n\u00e3o; para; pesticidas; piretr\u00f3ides; por; que; qu\u00edmica; res\u00edduos; s\u00e3o; tabela", "summary": "Valida\u00e7\u00e3o Os par\u00e2metros de valida\u00e7\u00e3o estudados foram: Especificidade/Seletividade, Fun\u00e7\u00e3o de Resposta (curva anal\u00edtica), Intervalo de Trabalho (Faixa), Linearidade, Exatid\u00e3o, Precis\u00e3o (Repetitividade e Reprodutibilidade), Limite de Detec\u00e7\u00e3o e Limite de Quantifica\u00e7\u00e3o. ato 99% (Riedel-de-Ha\u00ebn), fempropatrina 97% (Rie- del-de-Ha\u00ebn), deltametrina 99,15% (Ultra Scientific), lambda-cialotrina 99% (Accustandard), cipermetrina 98% (Ultra Scientific), bifentrina 99,7% (Accustan- dard) e permetrina 99,6% (Dr. Ehrenstorfer), foram inicialmente dissolvidos em acetonitrila, preparando-se solu\u00e7\u00f5es estoques de concentra\u00e7\u00f5es 1000 ng \u00b5L-1.", "mime": "application/pdf"}, {"id": "ecletica-155", "words": "3958", "extension": ".pdf", "flesch": "59", "author": "Freguglia, Rosana Maria de Oliveira; Andrade, Graziela Cristina Rossi de Moura; Tornisielo, Valdemar Luiz", "title": "Determination of organochlorine pesticide residues in human milk in Piracicaba, SP", "date": "2014", "keywords": "acima; amostras; com; como; concentra\u00e7\u00e3o; das; foi; foram; heptacloro; humano; leite; nas; n\u00e3o; n\u00edveis; organoclorados; para; pesticidas; por; que; res\u00edduos; sendo; s\u00e3o", "summary": "(Sep-Pak Vac - 1g, Waters Corporation) com capacidade de 6 mL. As ex- tra\u00e7\u00f5es (filtra\u00e7\u00e3o e elui\u00e7\u00e3o) das amostras foram feitas com auxilio de c\u00e2mara de v\u00e1cuo. No Brasil, apesar da proibi\u00e7\u00e3o do uso de organoclorados desde 1985 seu uso clandestino ainda \u00e9 representativo, seu uso \u00e9 permitido em campanhas p\u00fabli- cas para combate de vetores transmissores de mal\u00e1ria e em outros pa\u00edses s\u00e3o utilizados nas planta\u00e7\u00f5es de taba- co.", "mime": "application/pdf"}, {"id": "ecletica-1555", "words": "7021", "extension": ".pdf", "flesch": "47", "author": "Ogunniran, James Akinwumi; Oladipo, Elijah Kolawole ; Ademola, Kemiki Olalekan; Imolele, Anthony Godswill ; Alao, Olaoluwa Kehinde ; Ajayi, Kehinde Oluyemi ; Ockiya , Michael Asebake ; Taiwo , Oluseyi Rotimi ; Omede , Caleb Enejoh ; Nwosu, Samuel Nzube; Ogunwole, Adeola Christianah", "title": "Immunoinformatics designing of peptide-based vaccine for malaria infection", "date": "2025", "keywords": "cell; construct; epitopes; et al; https://doi.org/10.26850/1678-4618.eq.v50.2025.e1555; iab; malaria; prediction; protein; structure; vaccine", "summary": "Tertiary structure of vaccine construct. Protein CTL epitopes Score CTL epitopes Score CTL epitopes Score Apical membrane antigen 1 TLDQMRHFY 32.272 AQENNGPRY 0.9554 LLSAFEFTY 17.715 ATILMVYLY 22.792 QYEQHLTDY 0.8786 DAEVAGTQY 14.733 VLATILMVY 15.535 MVSNSTCRF 0.8368 AKDKSFQNY 11.252 DISFQNYTY 15.338 VKEEYKDEY 0.8326 TLNGMRDFY 10.820 AKDISFQNY 11.520 NTETHKCEI 0.7820 MLDPEASFW 0.8858 ISDDKDSLK 11.379 IIENSNTTF 0.7664 GQNYWEHPY 0.7521 SASDQPKQY 10.603 YMGNPWTEY 17.963 Knob associated with histidine-rich protein LDEYQNQLY 11.135 YAFSEECPY 0.8247 YVPPHGAGY 10.598 Merozoite surface protein 1 HLEAKVLNY 28.435", "mime": "application/pdf"}, {"id": "ecletica-156", "words": "3484", "extension": ".pdf", "flesch": "52", "author": "Anzanello, Michel Jos\u00e9", "title": "Sele\u00e7\u00e3o de vari\u00e1veis para categoriza\u00e7\u00e3o de amostras qu\u00edmicas", "date": "2014", "keywords": "amostras; classifica\u00e7\u00e3o; com; como; dados; especificidade; independentes; para; pls; por\u00e7\u00e3o; que; regress\u00e3o; sensibilidade; s\u00e3o; vari\u00e1veis", "summary": "Outra contribui\u00e7\u00e3o vem da uti- liza\u00e7\u00e3o de diversos crit\u00e9rios para sele\u00e7\u00e3o do melhor subconjunto de vari\u00e1veis: sensibilidade, especificidade e percentual de vari\u00e1veis retidas. Nesta natureza de aplica\u00e7\u00e3o, a disponibilidade de um conjunto reduzido de vari\u00e1veis relevantes \u00e9 funda- mental para categoriza\u00e7\u00f5es precisas.", "mime": "application/pdf"}, {"id": "ecletica-1561", "words": "13768", "extension": ".pdf", "flesch": "44", "author": "Utmeemang, Ratanaphun; Buaraphan, Khajornsak", "title": "Effects of small-scale chemistry STEM integrated with local contexts for enhancing grade 11 students\u2019 learning achievement and learning and innovation skills", "date": "2024", "keywords": "achievement; chemical; chemistry; cssc; education; experiment; group; learning; model; problem; reaction; science; skills; stem; stem education; stem model; students; teaching; test", "summary": "This chemistry experiment aims to engage student groups in a concise chemical investigation. Students 3.1.3.", "mime": "application/pdf"}, {"id": "ecletica-1562", "words": "5401", "extension": ".pdf", "flesch": "36", "author": "Utami, Resty; Astutik, Trining Puji", "title": "An\u00e1lise bibliom\u00e9trica: t\u00f3picos mais discutidos sobre etnoqu\u00edmica no ensino da qu\u00edmica", "date": "2025", "keywords": "analysis; articles; data; education; et al; ethnochemistry; jurnal; learning; pendidikan; research; science; students; topic; vosviewer; wahyudiati", "summary": "In its implementation, ethnochemistry is often combined with learning models such as PjBL, Inquiry and others (Asmaningrum et al., 2021; Hidayatussani et al., 2020) and combined with a learning approach such as culturally responsive teaching (CRT) (Arif et al., 2021; Robo et al., 2021; Wardani et al., 2023; 2024) and Culturally Responsive Transformative Teaching (CRTT) (Najid et al., 2021; Rahmawati et al., 2018, 2023) according to the learning topic. This study utilizes bibliometric analysis to identify prevalent topics in ethnochemistry research within chemistry learning from February 2018 to January 2023.", "mime": "application/pdf"}, {"id": "ecletica-1564", "words": "3456", "extension": ".pdf", "flesch": "50", "author": "Rusli, Nurul Hanani; Ibrahim, Nor Hasniza; Md Aris, Norliyana", "title": "Enhancing higher-order thinking skills in chemical equilibrium through a game-based learning module", "date": "2025", "keywords": "chemistry; education; game; hots; learning; module; skills; students; test; thinking", "summary": "https://doi.org/10.12973/eu-jer.8.4.935 Jamal, S. N. B.; Ibrahim, N. H. B.; Halim, N. D. B. A.; Alias, M. I. B. A preliminary study on the level of creativity among chemistry students in district of melaka tengah. During the development phase, this module was validated by chemistry experts to ensure that it is relevant and valid for implementation among matriculation students.", "mime": "application/pdf"}, {"id": "ecletica-1565", "words": "4118", "extension": ".pdf", "flesch": "45", "author": "Widarti, Hayuni Retno; Wiyarsi, Antuni; Yamtinah, Sri; Shidiq, Ari Syahidul; Sari, Meyga Evi Ferama; Fauziah, Putri Nanda; Natasya, Shella; Khandi, Cahya Aulia; Rokhim, Deni Ainur", "title": "Overview of difficulties and material identification of chemical bonds based on multiple representations: Teacher\u2019s view", "date": "2025", "keywords": "bonds; chemical; chemistry; geometry; learning; material; students; teachers; widarti", "summary": "Chemistry teachers participating in this study tend to focus more on symbolic, macroscopic, and submicroscopic representations in teaching chemical bonds. It is expected to provide insight into research needs and opportunities to assist chemistry teachers in overcoming difficulties and identifying chemical materials.", "mime": "application/pdf"}, {"id": "ecletica-1566", "words": "7543", "extension": ".pdf", "flesch": "42", "author": "binti Md. Aris, Norliyana; binti Ibrahim, Nor Hasniza ; binti Halim, Noor Dayana; binti Rusli, Nurul Hanani; bin Yaakob, Muhammad Nidzam ", "title": "Determining design thinking elements in chemistry education: A Fuzzy Delphi method", "date": "2025", "keywords": "binti; chemistry; consensus; delphi; design; design thinking; development; education; elements; expert; fuzzy; https://doi.org/10.26850/1678-4618.eq.v50.2025.e1566; innovation; learning; phase; research; students; thinking", "summary": "2018, 58, 30\u201336. https://doi.org/10.1016/j.stueduc.2018.05.007 Kein\u00e4nen, M. M.; Kairisto-Mertanen, L. Researching Learning Environments and Students\u2019 Innovation Competences. Jamil, M. R. M.; Siraj, S.; Yusof, F.; Noh, N. M.; Hussin, Z.; Sapar, A. A. Aplikasi Teknik Fuzzy Delphi Terhadap Keperluan Elemen Keusahawanan Bagi Pensyarah Kejuruteraan Politeknik Malaysia.", "mime": "application/pdf"}, {"id": "ecletica-1567", "words": "8134", "extension": ".pdf", "flesch": "44", "author": "Khery, Yusran; Hakim, Aliefman; Rokhmat, Joni; Sukarso, Aa", "title": "Improving student chemistry laboratory performance through Nyamplung ethnoscience-oriented learning of the Sasak tribe", "date": "2025", "keywords": "activities; calophyllum; chemistry; education; et al; ethnoscience; inophyllum; knowledge; laboratory; learning; nyamplung; oil; performance; research; science; skills; students; study", "summary": "Student laboratory performance during P1, P2, and P3 was assessed through performance observation and portfolio evaluations. Student laboratory performance during (a) attempt direction, (b) designing and executing projects, and (c) discussion.", "mime": "application/pdf"}, {"id": "ecletica-1568", "words": "10766", "extension": ".pdf", "flesch": "51", "author": "Abdullah, Wan Nor Azlina Wan; Ab Manaf, Syaida; Mun, Yam Pui ; Ibrahim, Nor Hasniza; Surif, Johari; Bunyamin, Abdul Hadi; Nee, Chee Ken", "title": "Compara\u00e7\u00e3o de estudantes de qu\u00edmica na resolu\u00e7\u00e3o de problemas algor\u00edtmicos, conceituais e abertos", "date": "2025", "keywords": "achievement; acid; chemistry; concepts; https://doi.org/10.26850/1678-4618.eq.v50.2025.e1568; knowledge; level; problem; pvc; questions; skills; solving; students; table; understanding", "summary": "+Corresponding author: Nor Hasniza Ibrahim, Phone: +60197779759, Email address: p-norhaniza@utm.my Original Article, Education in Chemistry and Correlated Areas Comparison of chemistry students in solving algorithmic, conceptual and open-ended problems Wan Nor Azlina Wan Abdullah1 , Syaida Ab Manaf1 , Yam Pui Mun1 , Nor Hasniza Ibrahim1+ , Johari Surif1 , Abdul Hadi Bunyamin1 , Chee Ken Nee2 Overall, this research offers valuable implications for refining educational practices in chemistry, aiming to enhance student understanding and performance.", "mime": "application/pdf"}, {"id": "ecletica-157", "words": "4150", "extension": ".pdf", "flesch": "59", "author": "Cavalcante, Kiany Sirley Brand\u00e3o; da Silva, Mitchell Gonz\u00e1lez Soares; Sifr\u00f4nio, Francisco S\u00e1vio Mendes; Valois, Renata Rodrigues Santos; Maciel, Adeilton Pereira; de Souza Filho, Antonio Gomes; Silva, Fernando Carvalho", "title": "Oxygenated glycerol derivatives as an alternative source of energy: A review", "date": "2014", "keywords": "biodiesel; crude; diesel; glycerol; table", "summary": "3.1 Glycerol ethers By definition, glycerol ethers contain three oxygen-bound carbons derived from glycerol and R1, R2 and R3 radicals, being hydrogen atoms or alkylated groups. Besides the economic, environmental and so- cial advantages, biodiesel manufacturing results in a large amount of crude glycerol (co-product) with low profitable prices due to its extension in the local market 2,3,4.", "mime": "application/pdf"}, {"id": "ecletica-1573", "words": "5290", "extension": ".pdf", "flesch": "42", "author": "Herunata, Herunata ; Ibnatullatiefah, Ibnatullatiefah; Habiddin, Habiddin; Widarti, Hayuni Retno; Munzil, Munzil; Fauziah, Putri Nanda", "title": "The effectiveness of guided inquiry learning based on Anderson\u2019s sketch analysis on students\u2019 higher order thinking skills in reaction rate", "date": "2025", "keywords": "analysis; class; control; hots; learning; order; rate; reaction; students", "summary": "Example answer from control class student for creating category questions. These components of reaction rate learning are then systematically organized within Anderson\u2019s learning sketch analysis framework, as detailed in Table 1.", "mime": "application/pdf"}, {"id": "ecletica-1574", "words": "5966", "extension": ".pdf", "flesch": "37", "author": "binti Md. Aris, Norliyana; Ibrahim, Nor Hasniza binti; Binti Abd Halim, Noor Dayana; bin Surif, Johari", "title": "Explorando a intera\u00e7\u00e3o entre a compet\u00eancia em inova\u00e7\u00e3o e o dom\u00ednio da qu\u00edmica: percep\u00e7\u00f5es das pr\u00e1ticas educacionais e fatores de influ\u00eanciaExplorando a intera\u00e7\u00e3o entre a compet\u00eancia em inova\u00e7\u00e3o e o dom\u00ednio da qu\u00edmica: percep\u00e7\u00f5es das pr\u00e1ticas educacionais e fatores de influ\u00eancia", "date": "2025", "keywords": "chemical; chemistry; competence; concepts; education; https://doi.org/10.26850/1678-4618.eq.v50.2025.e1574; innovation; innovation competence; learning; mastery; research; skills; students", "summary": "+Corresponding author: Norliyana binti Md. Aris, Phone: +60133881723, Email address: liyanaaris23@gmail.com Original Article, Education in Chemistry and Correlated Areas Exploring the interplay of innovation competence and chemistry mastery: insights from educational practices and factors of influence Norliyana binti Md. Aris1+ , Nor Hasniza binti Ibrahim1 , Noor Dayana Binti Abd Halim1 , Johari bin Surif1 Abstract Innovation competence is a critical skill today, enabling individuals to generate and apply innovative ideas. (3) What strategies can educators implement to foster innovation competence and chemical mastery?", "mime": "application/pdf"}, {"id": "ecletica-1575", "words": "15227", "extension": ".pdf", "flesch": "42", "author": "Dewi, Ratna Kumala ; Rahayu, Sri; Muntholib, Muntholib; Sumarni, Woro", "title": "Critical thinking skills of prospective chemistry teachers in chemistry learning with Ethno-Socio-Scientific issues integrated inquiry", "date": "2025", "keywords": "chemistry; chemistry teachers; context; data; education; et al; ethno; https://doi.org/10.26850/1678-4618.eq.v50.2025.e1575; inquiry; issues; journal; knowledge; learning; problems; questions; research; results; science; science education; scientific; ssi; strategy; students; teachers; thinking; thinking skills", "summary": "+Corresponding author: Sri Rahayu, Phone: +628123394825, Email address: sri.rahayu.fmipa@um.ac.id Original Article, Education in Chemistry and Correlated Areas Critical thinking skills of prospective chemistry teachers in chemistry learning with Ethno-Socio-Scientific issues integrated inquiry Ratna Kumala Dewi1,2 , Sri Rahayu1+ , Muntholib Muntholib1 , Woro Sumarni3 Student critical thinking skills test results per indicator.", "mime": "application/pdf"}, {"id": "ecletica-1576", "words": "4876", "extension": ".pdf", "flesch": "46", "author": "Nursiwan, Wimbi Apriwanda; Hanri, Chuzairy; Ibrahim, Nor Hasniza", "title": "Scientific creativity of secondary school students on colloid system", "date": "2025", "keywords": "chemistry; colloid; creativity; ideas; level; scientific; students; system; table; thinking", "summary": "These findings highlight the need to enhance students\u2019 ability to generate scientific ideas, emphasizing the importance of fostering scientific creativity in education. Over the past six years within Indonesia\u2019s education system, student creativity concerning the colloid system has exhibited a low level in terms of creative thinking (Sulastri et al., 2019; Ulfah et al., 2020; Wahyu et al., 2017; Wahyuliani et al., 2022).", "mime": "application/pdf"}, {"id": "ecletica-158", "words": "2812", "extension": ".pdf", "flesch": "59", "author": "Tubino, Matthieu; Bianchessi, Luis Francisco; Palumbo, Marcio das Neves; Vila, Marta Maria Duarte Carvalho", "title": "Green and simple UV-visible diffuse reflectance and transmittance methods for the determination of nitrofurantoin in pharmaceutical preparations", "date": "2014", "keywords": "g-1; glycol; nitrofurantoin; paper; polyethylene; reflectance", "summary": "A. M. Elbrashy, M. A. Sultan, Anal. Acta, Part A 69 (4) (2008) 1103 F. A. A. Matias, M. M. D. C. Vila, M. Tubino, Sens. Actuators B Chem., 88 (2003) 60.", "mime": "application/pdf"}, {"id": "ecletica-1589", "words": "6393", "extension": ".pdf", "flesch": "46", "author": "Magalh\u00e3es, C\u00e1ssia Gon\u00e7alves; Sola, Isabela Maria Macedo Simon; Alberti, Aline; Ascari, Jociani; Nunes, Domingos S\u00e1vio ", "title": "Phenolic compounds and biological potential of Eugenia uniflora L.: A short review", "date": "2025", "keywords": "acid; compounds; et al; eugenia; eugenia uniflora; extract; food; fruits; leaves; phenolic; pitanga; pulp; uniflora", "summary": "Thin-layer chromatography (TLC) analysis using silica gel (Rashmi et al., 2023), column chromatography (CC) performed on silica gel, Sephadex LH-20 and Diaion HP-20 (Chen et al., 2023; Sobeh et al., 2019; Ten\u00f3rio et al., 2024), flash chromatography system Sepacore\u00ae X50 with RP- 18 column (Sobeh et al., 2019), high-performance liquid chromatography (HPLC) performed on a reversed-phase octadecylsilanized silica gel (ODS) column and with refractive index detector (Biazotto et al., 2019; Rodrigues et al., 2020), and UV/VIS photodiode array detector (Ramalho et al., 2019; Santos et al., 2021). In fruits, the percolation technique with ethanol/water was used to isolate the sesquiterpenoids Eugenilone A\u2212 N (Chen et al., 2023), while hydrolysable tannins, carotenoids, iridoids, anthocyanins, and flavonoids were isolated by maceration with acetone, methanol/water and HCl/methanol (Biazotto et al., 2019; Rodrigues et al., 2020).", "mime": "application/pdf"}, {"id": "ecletica-1594", "words": "5320", "extension": ".pdf", "flesch": "48", "author": "Olatunde, Abimbola Modupe; Obiyenwa, Kehinde Gabriel; Oladuji, Tofunmi Emmanuel; Latona, Dayo Felix; Oyebamiji, Abel Kolawole; Olatunji, Nathaniel Oladoye; Semire, Banjo", "title": "Molecular modeling and pharmacokinetics studies of sulfamidophosphonate derivatives as potential candidate against Staphylococcus aureus", "date": "2025", "keywords": "1xsd; binding; compounds; drug; https://doi.org/10.26850/1678-4618.eq.v50.2025.e1594; interactions; nai; naj; nak; nal; nam; penicillin", "summary": "This has led to continuous research on drug development and discovery to produce new drugs that can fight the resistance caused by Staphylococcus Aureus. Conclusions This study emphasized an in-silico assessment of anti- bacterial activities of sulfamidophosponate derivatives as compared with standard drugs (Penicillin and Sulfamethoxazole) against target proteins of Staphylococcus aureus via molecular docking and ADMET prediction.", "mime": "application/pdf"}, {"id": "ecletica-1597", "words": "7445", "extension": ".pdf", "flesch": "42", "author": "Jusniar, Jusniar; Auliah, Army; Syamsidah, Syamsidah ; Fadly, Dewiyanti", "title": "Improving students\u2019 critical thinking abilities and environmental sensitivity through project-based learning integrated with green chemistry principles", "date": "2025", "keywords": "ability; chemistry; environmental; https://doi.org/10.26850/1678-4618.eq.v50.2025.e1597; jusniar; learning; model; pbl; sensitivity; skills; students; test; thinking", "summary": "Introduction One of the competencies students need to face 21st-century challenges is critical thinking skills (Mitarlis et al., 2023). Critical thinking skills help students evaluate and reflect on facts and data; they are not limited to solving academic problems (Huber and Kuncel, 2016; Tabanelli et al., 2021).", "mime": "application/pdf"}, {"id": "ecletica-1598", "words": "11241", "extension": ".pdf", "flesch": "45", "author": "Gazali, Fauzana; Rahayu, Sri; Munzil, Munzil; Wonorahardjo, Surjani; Alam, Muhammad Dimar", "title": "Systematic literature review on the application of Problem-Based Learning model in chemistry education", "date": "2025", "keywords": "analysis; articles; chemistry; chemistry education; data; education; et al; group; implementation; journal; learning; pbl; pbl research; problem; research; researchers; review; science; skills; students; study", "summary": "This aligns with findings from earlier studies that indicate an increasing trend in the number of PBL research articles in chemistry education between 2013 to 2018 (Nurhayati et al., 2023). problem-based learning; 3. chemistry learning; 4. trends in PBL research;", "mime": "application/pdf"}, {"id": "ecletica-1600", "words": "12573", "extension": ".pdf", "flesch": "49", "author": "Parajuli, Nirmal ; Neupane , Prabhat ; Dhital , Sujan ; Bharati , Samjhana ; Shrestha, Timila ; Maharjan , Binita ; Marasini , Bishnu Prasad ; Subin, Jhashanath Adhikari; Shrestha , Ram Lal Swagat", "title": "Phytochemical, antioxidant, and enzyme inhibition potential exploration of Nyctanthes arbor-tristis via in vitro and in silico methods", "date": "2025", "keywords": "amylase; antioxidant; arbor; asc; asd; binding; bond; compounds; docking; energy; et al; extract; https://doi.org/10.26850/1678-4618.eq.v50.2025.e1600; hydrogen; inhibition; ligand; molecular; potential; protein; tristis", "summary": "https://doi.org/10.1021/acsomega.3c07338 Dewi, N. K. S. M.; Fakhrudin, N.; Wahyuono, S. A Comprehensive Review on the Phytoconstituents and Biological Activities of Nyctanthes arbor-tristis L. J. Appl. https://doi.org/10.1016/j.jep.2013.01.024 Dewi, N. K. S. M.; Fakhrudin, N.; Wahyuono, S. A Comprehensive Review on the Phytoconstituents and Biological Activities of Nyctanthes Arbor Tristis L. J. Appl.", "mime": "application/pdf"}, {"id": "ecletica-1612", "words": "956", "extension": ".pdf", "flesch": "20", "author": "Qu\u00edmica, Ecl\u00e9tica", "title": "Summary", "date": "2024", "keywords": "articles; carlos; chemistry; evaluation; learning; mohamed; review; silva", "summary": "e-1524 Lu\u00eds Miguel Pinheiro de Sousa, Kariny Mery Araujo Cunha, Luciana Nobre de Abreu Ferreira, Alexandre Araujo de Souza Effects of small-scale chemistry STEM integrated with local contexts for enhancing grade 11 students\u2019 learning achievement and learning and innovation skills ................................................................. e-1561 Ratanaphun Utmeemang, Khajornsak Buaraphan The concept of chemistry laboratory in high school ......................................................................... Quim. 49 | 2024 ISSN 1678-4618 page 3/3 Summary REVIEWERS OF ARTICLES PUBLISHED IN 2024 Adam Wiryawan Adelino Vieira de Godoy Netto Ahmet Kilic Alejandro Junior Aranda Aguirre Alejandro Lopez Castillho Alexandre Araujo de Souza Andr\u00e9 Henrique Baraldi Dourado Canan Ko\u00e7ak Carlos Arterio Sorgi Carlos Cezar da Silva Claudia Alejandra Aguilar Ucan Cristiane Regina Budziak", "mime": "application/pdf"}, {"id": "ecletica-163", "words": "4961", "extension": ".pdf", "flesch": "40", "author": "Lopes, Sarah Meier; de Arruda, Nicole Machuca Brassac; Pagioro, Thomaz Aur\u00e9lio", "title": "STUDY OF THE STRATIFICATION PROCESS AT THE RESERVOIR OF THE HYDROELECTRIC POWER PLANT GOV. PEDRO VIRIATO PARIGOT DE SOUZA (CAPIVARI-CACHOEIRA), PARAN\u00c1, BRAZIL.", "date": "2018", "keywords": "cachoeira; capivari; densimetric; froude; lakes; number; oxygen; reservoir; residence; stratification; temperature; time; water", "summary": "[15] Yu, Z., Yang, J., Amalfitano, S., Yu, X., Liu, L., Effects of water stratification and mixing on microbial community structure in a subtropical deep reservoir, Scientific Reports 25 (4) (2014) 5821. https://doi.org/10.1038/srep05821. Three lakes in the United States of America were studied in order to investigate the response of water temperature and stratification in different morphometry (water depth and surface area) due to changes in temperature and wind speed3.", "mime": "application/pdf"}, {"id": "ecletica-164", "words": "6504", "extension": ".pdf", "flesch": "51", "author": "Costa Junior, Ismael Laurindo; Lopes, Thiara Reis; Fonseca, Bruna Ataide Barros; Butik, Mariane; Mees, Juliana Bortoli Rodrigues; Pletsch, Adelmo Lowe; Torres, Yohandra Reyes", "title": "Evaluation of pseudo-total and labile metals (Cu, Cr, Ni, Mn, Pb and Zn) in surface sediments at the mouth of tributaries of the Itaipu Reservoir, Brazil", "date": "2018", "keywords": "concentrations; cr3 +; cu2 +; fraction; labile; metals; mn2; ni2 +; pb2 +; points; pseudo; samples; sediments; zn2 +", "summary": "Metal concentrations metals in sediment samples. It was verified that direct and positive correlations were higher than 0.6 for pseudo-total metals and physicochemical parameters Cu2+-pH, Cu-VTS, Cu2+-C total, Cu2+-clay, Cr3+-sand, Mn2+-pH, Mn2+- VTS, Mn2+-TOC, Mn2+-clay, Pb2+-sand, Zn2+-pH, Zn2+-VTS, Zn2+-TOC, Zn2+-clay, Ni2+-pH and Ni2+- clay.", "mime": "application/pdf"}, {"id": "ecletica-165", "words": "3824", "extension": ".pdf", "flesch": "40", "author": "Barra de Oliveira, Daniel Augusto", "title": "The correlation between electronic structure and antitumor activity of a seletive focal adhesion kinase inhibitors", "date": "2018", "keywords": "amino; atp; bond; fak; hydrogen; inhibitors; molecule; sulfonamide; thiazole", "summary": "The Cys502 hydrogen bond has been seen on others FAK inhibitors in accord to literature17. The interaction with Gln432 and Asp564 is close to 2.5 \u00c5 while the interaction with Glu471 is close to 2.0 \u00c5. These results show a distribution of hydrogen bond distances during the molecular dynamics.", "mime": "application/pdf"}, {"id": "ecletica-167", "words": "337", "extension": ".pdf", "flesch": "44", "author": "Benedetti, Assis Vicente", "title": "The Launch of Ecl\u00e9tica Qu\u00edmica Journal", "date": "2018", "keywords": "journal", "summary": "Ecl\u00e9tica Qu\u00edmica Journal is a peer-reviewed scientific journal that does not charge authors article processing fees. With the affiliation of the Institute of Chemistry - UNESP Araraquara to the BRAZILIAN ASSOCIATION OF SCIENTIFIC EDITORS - ABEC, on 09/19/2017, Ecl\u00e9tica Qu\u00edmica Journal can be visited on the ABEC Portal (click on PoPA).", "mime": "application/pdf"}, {"id": "ecletica-168", "words": "1764", "extension": ".pdf", "flesch": "50", "author": "Mauro, Antonio Eduardo; Cardoso, Arnaldo Alves; Benedetti, Assis Vicente; Bertolini, Maria C\u00e9lia; Furlan, Maysa", "title": "Instructions for Authors", "date": "2018", "keywords": "authors; eclet; manuscript; quim", "summary": "42 | 2017 | Instructions for Authors Preparation of manuscripts \u2022 The corresponding author should submit the manuscript online: http://revista.iq.unesp.br/ojs/index.php/ecletica/author or to ecletica@iq.unesp.br \u2022 Manuscripts must be sent in editable files as *.doc, *.docx or *.odt.", "mime": "application/pdf"}, {"id": "ecletica-169", "words": "240", "extension": ".pdf", "flesch": "9", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial Board", "date": "2018", "keywords": "brazil; prof", "summary": "Prof. Arnaldo Alves Cardoso, Institute of Chemistry Unesp Araraquara, Brazil Prof. Antonio Eduardo Mauro, Institute of Chemistry Unesp Araraquara, Brazil Prof. Maysa Furlan, Institute of Chemistry Unesp Araraquara, Brazil Prof. Maria C\u00e9lia Bertolini, Institute of Chemistry Unesp Araraquara, Brazil Editorial Board Prof. Jairton Dupont, Instituto de Qu\u00edmica, Universidade Federal do Rio Grande do Sul, UFRGS, RS, Brazil Prof. Enric Brillas, Facultat de Qu\u00edmica, Universitat de Barcelona, Spain Prof. Ver\u00f3nica Cort\u00e9s de Zea Bermudez, Escola de Ci\u00eancias da Vida e do Ambiente,Universidade de Tr\u00e1s-os-Montes e Alto Douro, Vila Real, Portugal Prof. Lauro Kubota, Instituto de Qu\u00edmica, Universidade Estadual de Campinas, Unicamp, SP, Brazil Prof. Ivano Gerardt Rolf Gutz, Instituto de Qu\u00edmica, Universidade de S\u00e3o Paulo, USP, SP, Brazil Prof. Jos\u00e9 Ant\u00f4nio Maia Rodrigues, Faculdade de Ci\u00eancias, Universidade do Porto, Portugal Prof. Bayardo Baptista Torres, Instituto de Qu\u00edmica, Universidade de S\u00e3o Paulo, USP, SP, Brazil Technical Staff Gustavo Marcelino de Souza Aline Trabuco Delgado Ecl\u00e9tica Qu\u00edmica Journal 2017 http://revista.iq.unesp.br/ojs/index.php/ecletica/index", "mime": "application/pdf"}, {"id": "ecletica-170", "words": "5944", "extension": ".pdf", "flesch": "41", "author": "Costa Junior, Ismael Laurindo; Finger, Leandro; Quitaiski, Poliana Paula; Neitzke, Samuel Mathias; Besen, Josue Victor; Correa, Maike Krug; Mees, Juliana Bortoli Rodrigues", "title": "Biosorption of 5G blue reactive dye using waste rice husk", "date": "2018", "keywords": "adsorption; biomass; biosorption; dye; equilibrium; husk; journal; model; pseudo; removal; rice", "summary": "0.5 g of biosorbent and 50 mL of dye solution (20.0 mg L-1) were added to each flask for kinetic test and at concentrations of 1.0, 5.0, 10.0, 15.0, 20.0, 25.0, 30.0, 35.0 and 40.0 mg L-1 for isotherm equilibrium test. [9] Gimbert, F., Morin-Crini, N., Renault, F., Badot, P.-M., Crini, G., Adsorption isotherm models for dye removal by cationized starch-based material in a single component system: Error analysis, Journal of Hazardous Materials 157 (1) (2008) 34-46. https://doi.org/10.1016/j.jhazmat.2007.12.072.", "mime": "application/pdf"}, {"id": "ecletica-171", "words": "5988", "extension": ".pdf", "flesch": "43", "author": "Rodrigues, Alessandra Aparecida Zinato; Neves, Ant\u00f4nio Augusto; de Queiroz, Maria Eliana Lopes Ribeiro; de Oliveira, Andr\u00e9 Fernando; Prates, Lucas Henrique Figueiredo; Morais, Elisa Helena da Costa", "title": "Optimization and validation of the salting-out assisted liquid-liquid extraction method and analysis by gas chromatography to determine pesticides in water", "date": "2018", "keywords": "determination; extraction; l-1; liquid; loq; method; pesticides; recovery; salle; samples; water", "summary": "The salting-out assisted liquid-liquid extraction (SALLE) was developed for the analysis of four pesticides (cypermethrin, chlorpyrifos, deltamethrin, and thiamethoxam) in water samples. Pesticide residues analyses in water samples are difficult to be executed since these compounds have very different physicochemical properties and occur at extremely low concentrations in the presence of high concentrations of interfering compounds8.", "mime": "application/pdf"}, {"id": "ecletica-173", "words": "4502", "extension": ".pdf", "flesch": "41", "author": "Belian, M\u00f4nica Freire; da Silva, Moara Targino; Alves, Aline de Andrade; de Oliveira, Ronaldo Nascimento; da Silva, Wagner Eduardo", "title": "Advantages of the use of heterogeneous catalyst for Huisgen cycloaddition reaction: synthesis and application of new metalorganic material capable of regeneration and reuse", "date": "2018", "keywords": "base; catalyst; complex; copper; cu(4,4\u2019-dipy)]cl; metal; reaction; synthesis", "summary": "[34] Sirion U., Lee, J. H., Bae, Y. J., Kim, H. J., Lee, B. S., Chi, D. Y., Azide/alkyne resins for quick preparation of 1,4-disubstituted 1,2,3- https://doi.org/10.26850/1678-4618eqj.v43.1.39-47 https://doi.org/10.1016/j.catcom.2011.07.004 https://doi.org/10.1016/j.catcom.2011.07.004 https://doi.org/10.1016/j.catcom.2011.07.004 https://doi.org/10.1016/j.catcom.2011.07.004 https://doi.org/10.1016/j.catcom.2011.07.004 https://doi.org/10.1016/j.catcom.2011.07.004 https://doi.org/10.1016/j.catcom.2011.07.004 https://doi.org/10.1016/j.apcata.2010.08.045 https://doi.org/10.1016/j.apcata.2010.08.045 https://doi.org/10.1016/j.apcata.2010.08.045 https://doi.org/10.1016/j.apcata.2010.08.045 https://doi.org/10.1016/j.apcata.2010.08.045 https://doi.org/10.1016/j.apcata.2010.08.045 https://doi.org/10.1016/j.molcata.2009.03.027 https://doi.org/10.1016/j.molcata.2009.03.027 https://doi.org/10.1016/j.molcata.2009.03.027 https://doi.org/10.1016/j.molcata.2009.03.027 https://doi.org/10.1016/j.molcata.2009.03.027 https://doi.org/10.1016/j.molcata.2009.03.027 https://doi.org/10.1016/j.molcata.2008.10.008 https://doi.org/10.1016/j.molcata.2008.10.008 https://doi.org/10.1016/j.molcata.2008.10.008 https://doi.org/10.1016/j.molcata.2008.10.008 https://doi.org/10.1016/j.molcata.2008.10.008 https://doi.org/10.1016/j.molcata.2008.10.008 https://doi.org/10.1016/j.jcat.2008.11.010 https://doi.org/10.1016/j.jcat.2008.11.010 https://doi.org/10.1016/j.jcat.2008.11.010 https://doi.org/10.1016/j.jcat.2008.11.010 https://doi.org/10.1016/j.jcat.2008.11.010 https://doi.org/10.1016/j.molcata.2010.11.001 https://doi.org/10.1016/j.molcata.2010.11.001 https://doi.org/10.1016/j.molcata.2010.11.001 https://doi.org/10.1016/j.molcata.2010.11.001 https://doi.org/10.1016/j.molcata.2010.11.001 https://doi.org/10.1016/j.molcata.2010.11.001 https://doi.org/10.1021/ja001140b https://doi.org/10.1021/ja001140b https://doi.org/10.1021/ja001140b https://doi.org/10.1021/ja001140b https://doi.org/10.1021/ja001140b https://doi.org/10.1021/ja001140b https://doi.org/10.1039/C0CC03038D https://doi.org/10.1039/C0CC03038D https://doi.org/10.1039/C0CC03038D https://doi.org/10.1039/C0CC03038D https://doi.org/10.1039/C0CC03038D https://doi.org/10.1039/C0CC03038D https://doi.org/10.1016/j.jcat.2010.09.010 https://doi.org/10.1016/j.jcat.2010.09.010 https://doi.org/10.1016/j.jcat.2010.09.010 https://doi.org/10.1016/j.jcat.2010.09.010 https://doi.org/10.1016/j.jcat.2010.09.010 https://doi.org/10.1016/j.jcat.2011.10.001 https://doi.org/10.1016/j.jcat.2011.10.001 https://doi.org/10.1016/j.jcat.2011.10.001 https://doi.org/10.1016/j.jcat.2011.10.001 https://doi.org/10.1016/j.jcat.2011.10.001 https://doi.org/10.1016/j.jcat.2011.10.001 https://doi.org/10.1016/j.jcat.2011.10.001 https://doi.org/10.1016/j.jcat.2011.10.001 https://doi.org/10.1002/1521-3773(20020715)41:14%3C2596::AID-ANIE2596%3E3.0.CO;2-4 https://doi.org/10.1002/1521-3773(20020715)41:14%3C2596::AID-ANIE2596%3E3.0.CO;2-4 https://doi.org/10.1002/1521-3773(20020715)41:14%3C2596::AID-ANIE2596%3E3.0.CO;2-4 https://doi.org/10.1002/1521-3773(20020715)41:14%3C2596::AID-ANIE2596%3E3.0.CO;2-4 https://doi.org/10.1002/1521-3773(20020715)41:14%3C2596::AID-ANIE2596%3E3.0.CO;2-4 https://doi.org/10.1002/1521-3773(20020715)41:14%3C2596::AID-ANIE2596%3E3.0.CO;2-4 https://doi.org/10.1002/1521-3773(20020715)41:14%3C2596::AID-ANIE2596%3E3.0.CO;2-4 https://doi.org/10.1002/1521-3773(20020715)41:14%3C2596::AID-ANIE2596%3E3.0.CO;2-4 https://doi.org/10.1021/jo011148j https://doi.org/10.1021/jo011148j https://doi.org/10.1021/jo011148j https://doi.org/10.1021/jo011148j https://doi.org/10.1021/jo011148j https://doi.org/10.1021/jo011148j https://doi.org/10.1590/S0103-50532012005000053 https://doi.org/10.1590/S0103-50532012005000053 https://doi.org/10.1590/S0103-50532012005000053 https://doi.org/10.1590/S0103-50532012005000053 https://doi.org/10.1590/S0103-50532012005000053 https://doi.org/10.1590/S0103-50532012005000053 https://doi.org/10.1590/S0103-50532012005000053 https://doi.org/10.1590/S0103-50532012005000053 https://doi.org/10.1590/S0103-50532011000300025 https://doi.org/10.1590/S0103-50532011000300025 https://doi.org/10.1590/S0103-50532011000300025 https://doi.org/10.1590/S0103-50532011000300025 https://doi.org/10.1590/S0103-50532011000300025 https://doi.org/10.1590/S0103-50532011000300025 https://doi.org/10.5012/bkcs.2010.31.7.1843 https://doi.org/10.5012/bkcs.2010.31.7.1843 https://doi.org/10.5012/bkcs.2010.31.7.1843 Original article 47 Ecl\u00e9tica Qu\u00edmica Journal, vol. 43, n. 1, 2018, 39-47 ISSN: 1678-4618 DOI: 10.26850/1678-4618eqj.v43.1.39-47 triazoles, Bull. https://doi.org/10.26850/1678-4618eqj.v43.1.39-47 https://doi.org/10.1016/j.apsusc.2009.10.093 https://doi.org/10.1016/j.apsusc.2009.10.093 https://doi.org/10.1016/j.apsusc.2009.10.093 https://doi.org/10.1016/j.apsusc.2009.10.093 https://doi.org/10.1016/j.apsusc.2009.10.093 https://doi.org/10.1016/j.apsusc.2009.10.093 https://doi.org/10.1016/j.apsusc.2009.10.093 https://doi.org/10.1016/j.apsusc.2009.10.093 https://doi.org/10.1038/46248 https://doi.org/10.1038/46248 https://doi.org/10.1038/46248 https://doi.org/10.1038/46248 https://doi.org/10.1038/46248 https://doi.org/10.1016/j.micromeso.2004.03.034 https://doi.org/10.1016/j.micromeso.2004.03.034 https://doi.org/10.1016/j.micromeso.2004.03.034 https://doi.org/10.1016/j.micromeso.2004.03.034 https://doi.org/10.1016/j.matlet.2008.09.010 https://doi.org/10.1016/j.matlet.2008.09.010 https://doi.org/10.1016/j.matlet.2008.09.010 https://doi.org/10.1016/j.matlet.2008.09.010 https://doi.org/10.1016/j.matlet.2008.09.010 https://doi.org/10.1016/j.matlet.2008.09.010 https://doi.org/10.1016/j.matlet.2008.09.010 Original article 45 Ecl\u00e9tica Qu\u00edmica Journal, vol. 43, n. 1, 2018, 39-47 ISSN: 1678-4618 DOI: 10.26850/1678-4618eqj.v43.1.39-47 [5] Dhakshinamoorthy, A., Alvaro, M., Corma, A., Garcia, H., Delineating similarities and dissimilarities in the use of metal organic frameworks and zeolites as heterogeneous catalysts for organic reactions, Dalton Trans. 40 (2011) 6344\u20136360.", "mime": "application/pdf"}, {"id": "ecletica-175", "words": "3438", "extension": ".pdf", "flesch": "41", "author": "Filippe, Tais Cristina; de Almeida Brehm Goulart, Franciane; Mizukawa, Alinne; Rodrigues de Azevedo, J\u00falio C\u00e9sar", "title": "Validation of analytical methodology for determination of Personal Care Products in environmental matrix by GC-MSMS", "date": "2018", "keywords": "care; compounds; l-1; method; products; quantification; water", "summary": "All the parameters of merit worked had results according to the norms used for validation of analytical methods. The extraction and quantification method were efficient for the determination of these analytes in water samples.", "mime": "application/pdf"}, {"id": "ecletica-177", "words": "206", "extension": ".pdf", "flesch": "36", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Summary", "date": "2017", "keywords": "souza", "summary": "Anne G. M. da Silva, Marcilio W. F. Silva, Giselle B. Bezerra, Cl\u00e9cio Souza Ramos Optimization of a homogeneous ternary solvent system for the quantification of lead in crystal sugar samples...................................................................................... J\u00fanior Olair Chagas, Silviana C\u00f4rrea, Isabela Cristina Silva Melo, Fabiana Aparecida Mobile breathers in a Nonlinear model for DNA breathing....................................... Hernan Cortez Gutierrez, Elso Drigo Filho, Jos\u00e9 Roberto Ruggiero, Milton Cortez Gutierrez http://revista.iq.unesp.br/ojs/index.php/ecletica/index Douglas Faza Franco, Hassen Fares, Ant\u00f4nio Eduardo de Souza, Silvia Helena Santagneli, Marcelo Nalin", "mime": "application/pdf"}, {"id": "ecletica-182", "words": "6597", "extension": ".pdf", "flesch": "63", "author": "Kobelnik, Marcelo; Ribeiro, Cl\u00f3vis Augusto; Dias, Di\u00f3genes dos Santos; Bernab\u00e9, Gisele Aparecida; Crespi, Marisa Spirandeli", "title": "Comparison of the dehydration kinetics of solid state compounds of 2-methoxybenzylidenepyruvate with some divalent metal ions", "date": "2010", "keywords": "activation; compounds; dehydration; energy; figure", "summary": "SEM dehydrated copper compound From the information obtained, we can use the values of the activation energy and the pre- exponential factor to make the following correla- tion 8 Figure 1: TG curves of the cobalt, nickel and zinc compounds, with mass sample of 1mg, at heating rate of 10\u00baC min-1 in nitrogen atmosphere.", "mime": "application/pdf"}, {"id": "ecletica-183", "words": "3950", "extension": ".pdf", "flesch": "63", "author": "Raposo Junior, Jorge Luiz; de Oliveira, Silvana Ruella; N\u00f3brega, Joaquim Ara\u00fajo; Gomes Neto, Jos\u00e9 Anchieta", "title": "Mathematical equation correction to spectral and transport interferences in high-resolution continuum source flame atomic absorption spectrometry: determination of lead in phosphoric acid", "date": "2010", "keywords": "acid; correction; l-1; line; phosphoric; solutions", "summary": "\u00c1tomos de Pb e mol\u00e9culas de PO absorvem a 217,0005 nm, ent\u00e3o Atotal 217,0005 nm = A Pb 217,0005 nm + A PO 217,0005 nm. The limit of detection calculated to analytical line at 217.0005 nm was 10 \u00b5g L-1 Pb.", "mime": "application/pdf"}, {"id": "ecletica-184", "words": "6169", "extension": ".pdf", "flesch": "58", "author": "da Fonseca, Janaina Conrado Lyra; Pupo Nogueira, Raquel Fernandes; de Marchi, Mary Rosa Rodrigues", "title": "Photo-Fenton process for treating biological laboratory wastewater containing formaldehyde", "date": "2010", "keywords": "concentration; doc; ferrioxalate; formaldehyde; h2o2; iron; irradiation; l-1; mol; photo; present; removal; treatment; wastes", "summary": "The use of ferrioxalate (0.5 mmol L-1) improved the efficiency of the process in relation to the use of iron nitrate, while at least 1.0 mol L-1 H2O2 is necessary to treat the sample of the 500 mg C L-1. Conditions: 500 mg L-1 C formaldehyde sample; 0.5 mmol L-1 FeOx; 1.0 mol L-1 H2O2, magnetic stirring.", "mime": "application/pdf"}, {"id": "ecletica-185", "words": "2931", "extension": ".pdf", "flesch": "58", "author": "Vict\u00f3rio, Cristiane Pimentel; Lage, Celso Luiz Salgueiro; Kuster, Ricardo Machado", "title": "Flavonoids extraction from Alpinia zerumbet (Pers.) Burtt et Smith leaves using different procedures", "date": "2010", "keywords": "ethanol; extraction; extracts; flavonoids; hplc; microwave; ultrasonic", "summary": "Ethanol 70% was more efficient for flavonoids extraction than water. Dried leaves were extracted using distillated water and ethanol 70% by extraction methods of shaking maceration, ultrasonic, microwave and stirring.", "mime": "application/pdf"}, {"id": "ecletica-186", "words": "3829", "extension": ".pdf", "flesch": "61", "author": "Silva, Fernando Carvalho; Cavalcante, Kiany Sirley Brand\u00e3o; Louzeiro, Hilton Costa; Moura, Katia Regina Marques; Maciel, Adeilton Pereira; Soledade, Luiz Edmundo Bastos; Souza, Antonio Gouveia", "title": "Production of biodiesel from babassu oil using methanol-ethanol blends", "date": "2010", "keywords": "babassu; biodiesel; brazil; ester; ethanol; mass; methyl; oil; paulo; reaction; s\u00e3o; yield", "summary": "Physico-chemical analyses of babassu oil and the biodiesel obtained from a 80:20 methanol/ethanol blend Tests Babassu oil Methyl/ethyl biodiesel Biodiesel Analysis Method Biodiesel Limits Moisture and sediments (% v/v) 0.039 0.028 ASTM D-2709 0.050 Specific gravity at 25\u00baC (kg/m3) 923.0 887.2 ASTM D-4052* 860-900 Kinematic viscosity at 40\u00b0C ( mm2/s) 34.840 4.830 ASTM D-445* - Methanol/Ethanol (% m/m) - Free glycerin (% m/m) - 0.026 ASTM D-6584* 0.02 (max.)", "mime": "application/pdf"}, {"id": "ecletica-187", "words": "6599", "extension": ".pdf", "flesch": "63", "author": "Rajendraprasad, Nagaraju; Kanakapura, Basavaiah; Vinay, Kanakapura Basavaiah", "title": "Sensitive spectrophotometric determination of lamotrigine in bulk drug and pharmaceutical formulations using bromocresol green", "date": "2010", "keywords": "absorbance; bcg; complex; drug; dye; ion; lmt; method; ml-1; pair", "summary": "Beer\u2019s law was obeyed in the concentration range of 1.5-15 \u00b5g mL-1 and 0.5-5.0 \u00b5g mL-1 for method A and method B, respectively, and the corresponding molar absorptivity values are 1.6932 x 104 and 3.748 x 104 L mol-1cm-1. The Sandell sensitivity values are 0.0151 and 0.0068 \u00b5g cm-2 for method A and method B, respectively.", "mime": "application/pdf"}, {"id": "ecletica-188", "words": "4990", "extension": ".pdf", "flesch": "68", "author": "Ferenc, Wieslawa; Bernat, Maria; Sarzy\u0144ski, Jan; G\u0142uchowska, Halina", "title": "Complexes of 4-chlorophenoxyacetates of Nd(III), Gd(III) and Ho(III)", "date": "2010", "keywords": "chem; chlorophenoxyacetates; complexes; compounds; decomposition; ecl; gd(iii; ho(iii; ions; metal; spectra; s\u00e3o; table; w.ferenc; water", "summary": "[30] Paolo, 32(3) (2007) 7 B.N. Figgs, and R.S. Nyholm, J. Chem. J. Chem., [48] 50 (1972) 1797 A.K. Bridson, Inorganic Spectroscopic Metods, Oxford [49] University Press, New York, 1988 L.M. Harwood, T.D. Claridge, Introduction to Organic", "mime": "application/pdf"}, {"id": "ecletica-189", "words": "5037", "extension": ".pdf", "flesch": "58", "author": "Al- Ariqi, Wadie; Ghaleb, Abduljalil", "title": "Assessment of hydrochemical quality of ground water under some urban areas within Sana\u2019a secretariat", "date": "2010", "keywords": "area; ground; ground water; meq; samples; water; wells", "summary": "Suitability of ground water samples for irrigation and industrial uses according to sodium adsorption ration (SAR), ratio of dissolved sodium (RDS), residual sodium carbonate (RSC) and saturation index (SI) was also investigated. The present study focused on assessment of hydrochemical quality of ground water samples collected from wells located in three district of Sana\u2019a secretariat, to compare the results with the different standards and to illustrate ground water suitability for utilizations in drinking, irrigation and industrial purposes through the calculation of some indices.", "mime": "application/pdf"}, {"id": "ecletica-190", "words": "2123", "extension": ".pdf", "flesch": "63", "author": "Mortaheb, Hamid Reza; Mafi, Morteza; Mokhtarani, Babak; Khosravi, Kianoush; Mashkini, Fateme", "title": "Optimization of NMP extraction in 1,3-butadiene production line", "date": "2010", "keywords": "extraction; heptane; nmp; residue", "summary": "Optimization of the extraction by increasing solvent residue ratio Once the optimum temperature was determined, it was necessary to determine the effect of sol- vent residue ratio on the efficiency of the extraction. The impurities in S70\u00b0c phase is 0.75 weight percent whereas the NMP in the sample S70\u00b0c and S\u2032 70\u00b0c are similar in amount to the residue.", "mime": "application/pdf"}, {"id": "ecletica-191", "words": "4404", "extension": ".pdf", "flesch": "61", "author": "Tubino, Matthieu; Biondo, Adriane Cristina; Vila, Marta Maria Duarte Carvalho; Pezza, Leonardo; Pezza, Helena Redigolo", "title": "Spot-test identification and rapid quantitative sequential analysis of dipyrone", "date": "2010", "keywords": "acid; dipyrone; l-1; method; mol; test", "summary": "Artigo/Article SPot-teSt iDentiFiCAtion AnD rAPiD quAntitAtiVe SequentiAL AnALYSiS oF DiPYrone M. Tubino1*, A. C. Biondo1, M. M. D. C. Vila2, L. Pezza3 and H. R. Pezza3 1 State university of Campinas - uNiCAMP, institute of Chemistry, P.O. Box 6154, 13083-970 Campinas, SP, Brazil, 2 Sorocaba university - uNiSO, Sorocaba, SP, Brazil 3 S\u00e3o Paulo State university- uNESP, Chemistry institute of Araraquara, Araraquara, SP, Brazil *tubino@iqm.unicamp.br Abstract: A qualitative spot-test and tandem quantitative analysis of dipyrone in the bulk drug and in pharmaceutical preparations is proposed. [12] J. L. F. C. Lima, S. M. O. S\u00e1, J. L. Santos, and E. A. G. Zagatto, J. Pharmaceut.", "mime": "application/pdf"}, {"id": "ecletica-192", "words": "3573", "extension": ".pdf", "flesch": "62", "author": "Kanakapura, Basavaiah; Tharpa, Kalsang; Vinay, Kanakapura Basavaiah", "title": "Titrimetric assay of lisinopril in aqueous and non-aqueous media", "date": "2010", "keywords": "accuracy; acid; day; lnp; method; solution", "summary": "UV-derivative spectrophotometry has been utili- zed for LNP determination either alone Pre-analysed tablet powder was spiked with pure LNP at three different levels and the total was found by the proposed methods.", "mime": "application/pdf"}, {"id": "ecletica-193", "words": "2713", "extension": ".pdf", "flesch": "61", "author": "Sargenti, Silvia Regina; de Almeida, Carlos Alberto Araujo", "title": "Determination of patulin in apple juice by HPLC using a simple and fast sample preparation method", "date": "2010", "keywords": "apple; extraction; juice; level; liquid; method; patulin; sample; s\u00e3o", "summary": "Analysis of apple juice samples From the 37 commercial apple juices avai- lable on the market of the South of Brazil (Rio Grande do Sul State), only three samples were upper the amount of 50 \u00b5g.L-1 recommended by the World Health Organization. SP Cep: 13560-970 Email: silsarg@yahoo.com.br ou silsarg@iqsc.usp.br Phone: 16-33739959 or 16-31167706 abstract: The goal of this work was to develop a simple and rapid preparation method for pa- tulin analysis in apple juice without previous clean-up.", "mime": "application/pdf"}, {"id": "ecletica-194", "words": "5081", "extension": ".pdf", "flesch": "58", "author": "Heda, L. C.; Sharma, Rashmi; Mosalpuri, Sonraj R.; Chaudhari, Pramod B.", "title": "Viscometric investigations and molecular interactions of some derivatives of 5-substituted indole dihydropyrimidines in mixed organic solvents", "date": "2010", "keywords": "c(mol; fig", "summary": "Viscosity, \u03b7, of compound B in benzene- methanol at 303K \u00b1 0.1 in poise Volume % of methanol Conc 40% 60% 80% 100% 0.0002 0.592 0.568 0.549 0.529 0.0004 0.607 0.585 0.565 0.542 0.0006 0.619 0.596 0.575 0.551 0.0008 0.624 0.601 0.577 0.555 0.0010 0.630 0.607 0.582 0.559 0.0012 0.638 0.616 0.588 0.564 0.0014 0.647 0.624 0.593 0.567 table \u2013 3. Viscosity, \u03b7, of compound C in benzene- methanol at 303K \u00b1 0.1 in poise Volume % of methanol Conc 40% 60% 80% 100% 0.0002 0.591 0.571 0.551 0.533 0.0004 0.614 0.593 0.569 0.546 0.0006 0.627 0.606 0.581 0.559 0.0008 0.632 0.610 0.586 0.565 0.0010 0.639 0.616 0.593 0.570 0.0012 0.646 0.620 0.596 0.573 0.0014 0.651 0.629 0.600 0.576 table \u2013 4. Viscosity, \u03b7, of compound D in benzene-methanol at 303K \u00b1 0.1 in poise Volume % of methanol Conc 40% 60% 80% 100% 0.0002 0.596 0.573 0.553 0.535 0.0004 0.621 0.595 0.573 0.551 0.0006 0.635 0.609 0.587 0.564 0.0008 0.641 0.615 0.592 0.568 0.0010 0.647 0.621 0.596 0.571 0.0012 0.652 0.627 0.599 0.573 0.0014 0.658 0.634 0.602 0.578 Ecl. Qu\u00edm., S\u00e3o Paulo, 35 - 2: 23 - 32, 201026 Artigo Article The increase in viscosity with the increa- se in concentration may be due to the increasing tendency of molecules to associate in the form of clustering entity in the solvent system. These well known equations have been successfully applied to explain the results of viscosity measurements and the viscometric pa- rameters show that the behavior of compound changes in the proximity of 50% benzene con- centration.", "mime": "application/pdf"}, {"id": "ecletica-195", "words": "4736", "extension": ".pdf", "flesch": "63", "author": "Sotomayor, Maria Del Pilar Taboada; Raimundo J\u00fanior, Ivo Milton; Rohwedder, Jarbas Jos\u00e9 Rodrigues; Oliveira Neto, Graciliano", "title": "A pH optode based on thymol blue: application to determination of CO2 using flow injection analysis system", "date": "2010", "keywords": "co2; determination; fia; flow; l-1; mol; optode; solution; system", "summary": "e-mail: mpilarts@iq.unesp.br abstract: An optode based on thymol blue (TB), an acid-based indicator, has been constructed and evaluated as a detector in FIA system for CO2 determination. In FIA system, hydrogen carbonate or carbonate samples are injected in a buffer carrier solution, and then are mixed with phosphoric acid solution to generate CO2, which diffuses through a PTFE membrane, in order to be collected in an acceptor carrier fluid, pumped towards to detection cell, in which the optode was adapted.", "mime": "application/pdf"}, {"id": "ecletica-196", "words": "2716", "extension": ".pdf", "flesch": "65", "author": "Bernardi, Alberto Carlos de Campos; Oka, S\u00edlvia Harumi; Souza, Gilberto Batista de", "title": "Compara\u00e7\u00e3o de t\u00e9cnicas anal\u00edticas para a extra\u00e7\u00e3o de pot\u00e1ssio de amostras de tecido vegetal com \u00e1gua e solu\u00e7\u00f5es \u00e1cidas concentrada e dilu\u00edda", "date": "2010", "keywords": "amostras; com; decomposi\u00e7\u00e3o; extra\u00e7\u00e3o; hcl; m\u00e9todos; n\u00edtro; percl\u00f3rica; solu\u00e7\u00e3o; \u00e1gua", "summary": "A Figura 2 representa a compara\u00e7\u00e3o de tr\u00eas formas de extra\u00e7\u00e3o de K de amostras da parte a\u00e9- rea do capim-tanz\u00e2nia, pelos m\u00e9todos da decom- posi\u00e7\u00e3o n\u00edtro-percl\u00f3rica, e da extra\u00e7\u00e3o com \u00e1gua e com solu\u00e7\u00e3o extratora dilu\u00edda de HCl. Quando comparados os dois m\u00e9todos alter- nativos (HCl e \u00e1gua) com a decomposi\u00e7\u00e3o n\u00edtro- percl\u00f3rica obteve-se correla\u00e7\u00f5es lineares positivas Ecl. Qu\u00edm., S\u00e3o Paulo, 35 - 2: 45 - 49, 2010 47 Artigo Article com intervalos de confian\u00e7a de 95% (t = \u22122,81 e t = \u22124,01, respectivamente; Figuras 2A e 2B).", "mime": "application/pdf"}, {"id": "ecletica-197", "words": "5617", "extension": ".pdf", "flesch": "62", "author": "Toledo-Pinto, Eliane Aparecida; Menezes, Manoel Lima de; Pereira, Oduvaldo C\u00e2mara Marques", "title": "Desenvolvimento de um m\u00e9todo anal\u00edtico r\u00e1pido e eficiente para a determina\u00e7\u00e3o de corticoster\u00f3ides plasm\u00e1ticos por inje\u00e7\u00e3o direta em coluna cromatogr\u00e1fica ISRP-C18 por CLAE", "date": "2010", "keywords": "acetato; amostras; coluna; com; corticosterona; corticoster\u00f3ides; cortisona; das; determina\u00e7\u00e3o; dexametasona; dos; fase; foi; foram; ml-1; m\u00e9todo; para; plasma; por; que; s\u00e3o; uma", "summary": "Assim, o uso de procedimentos on-line vem se destacando em decorr\u00eancia de suas vantagens: elimina\u00e7\u00e3o dos erros humanos de manipula\u00e7\u00e3o, diminui\u00e7\u00e3o do tempo de assist\u00eancia do analista durante a an\u00e1li- se, minimiza\u00e7\u00e3o de perdas de analito, melhora na precis\u00e3o e exatid\u00e3o do m\u00e9todo e seguran\u00e7a ofere- cida por esta t\u00e9cnica ao analista, uma vez que o manuseio de amostras perigosas ou infecciosas \u00e9 reduzido elianetol@hotmail.com resumo: O presente trabalho teve como objetivo o desenvolvimento de um m\u00e9todo anal\u00edtico simples, r\u00e1pido e eficiente para a determina\u00e7\u00e3o de corticoster\u00f3ides (cortisona, corticosterona, acetato de hidrocortisona e acetato de dexametasona) em amostras sang\u00fc\u00edneas de ratos empre- gando um sistema isocr\u00e1tico de cromatografia l\u00edquida de alta efici\u00eancia (CLAE) com detec\u00e7\u00e3o ultravioleta.", "mime": "application/pdf"}, {"id": "ecletica-198", "words": "3088", "extension": ".pdf", "flesch": "65", "author": "Assump\u00e7\u00e3o, M\u00f4nica Helena Marcon Teixeira; Wolf, Lucia Daniela; Bonif\u00e1cio, Viviane Gomes; Fatibello-Filho, Orlando", "title": "Constru\u00e7\u00e3o de um calor\u00edmetro de baixo custo para a determina\u00e7\u00e3o de entalpia de neutraliza\u00e7\u00e3o", "date": "2010", "keywords": "base; com; entalpia; neutraliza\u00e7\u00e3o; para; que; s\u00e3o; uma; \u00e1cido", "summary": "Os \u00e1cidos e as bases for- tes sendo quase que totalmente dissociados, sua intera\u00e7\u00e3o era, em todos os casos, equivalente a H+ (aq) + OH- (aq) H2O(l), explicando assim a const\u00e2ncia do valor da entalpia de neutraliza\u00e7\u00e3o dos mesmos. O emprego de term\u00f4metro digital, que mede a temperatura em d\u00e9cimo de graus, o va- lor encontrado de entalpia de neutraliza\u00e7\u00e3o ficou muito mais pr\u00f3ximo do valor te\u00f3rico (erro relativo de 1,6 %).", "mime": "application/pdf"}, {"id": "ecletica-199", "words": "3196", "extension": ".pdf", "flesch": "60", "author": "Soares, It\u00e2nia Pinheiro; Rezende, Tha\u00eds Fonseca; Fortes, Isabel Cristina Pereira", "title": "Determination of sulfur in diesel using ATR/FTIR and multivariate calibration", "date": "2010", "keywords": "cm-1; com; diesel; enxofre; figura; foram; ftir; mg.kg-1; modelo; para; que; s\u00e3o; valores; vari\u00e1veis", "summary": "As amostras de diesel foram cedidas pelo Laborat\u00f3rio de An\u00e1lises de Combust\u00edveis (LEC), da Universidade Federal de Minas Gerais, Brasil. Assim torna-se importante o desenvol- Ecl. Qu\u00edm., S\u00e3o Paulo, 35 - 2: 71 - 78, 201072 Artigo Article vimento de metodologias que superem estas di- ficuldades e permitam a determina\u00e7\u00e3o do teor de enxofre em amostras de diesel de forma simples, r\u00e1pida e de baixo custo.", "mime": "application/pdf"}, {"id": "ecletica-200", "words": "3565", "extension": ".pdf", "flesch": "56", "author": "Cavalcanti, Bernadete Feitosa; Agostinho, Lourdes Cristina Lucena; Nascimento, Luciano", "title": "Determination of Alkalinity and dissociation constants of high salinity waters: use of F5BC titration function", "date": "2010", "keywords": "acidity; alkalinity; f5bc; function; titration; waters", "summary": "abstract: Measurements of parameters expressed in terms of carbonic species such as Alkali- nity and Acidity of saline waters do not analyze the influence of external parameters to the titration such as Total free and associated Carbonic Species Concentration, activity coefficient, ion pairing formation and Residual Liquid Junction Potential in pH measurements. For practical use, samples of saline waters from Pocinhos reservoir in Paraiba were submitted to titration and linear regression analysis.", "mime": "application/pdf"}, {"id": "ecletica-201", "words": "4224", "extension": ".pdf", "flesch": "61", "author": "Ferenc, Wieslawa; Bernat, Maria; Sarzy\u0144ski, Jan", "title": "The physico-chemical properties of 2-methoxyphenoxyacetates of Mn(II), Co(II), Ni(II) and Cu(II)", "date": "2010", "keywords": "co(ii; complex; complexes; compounds; ions; methoxyphenoxyacetates; mn(ii; ni(ii; spectra; water", "summary": "found MnL2\u22194H2O 348-443 14,73 14,69 4 128,91 32,2 MnO CoL2\u22194H2O 353-433 14,61 14,70 4 113,76 28,4 CoO NiL2\u22194H2O 323-433 14,61 14,54 4 128,48 32,1 NiO CuL2\u22194H2O 318-393 14,47 14,48 4 117,47 29,4 CuO \u0394T1 \u2013 temperature range of dehydration process, n \u2013 number of water molecules lost in the dehydra- tion process, \u0394H \u2013 enthalpy of dehydration process, OHH 21\u2206 - enthalpy value for one molecule of water, M as s lo ss % Ecl. Qu\u00edm., S\u00e3o Paulo, 35 - 2: 89 - 98, 2010 97 Artigo Article Taking into account the temperature val- ues of the initial dehydration process it appears that Co(II) complex is the most thermally stable while Cu(II) compound has the least thermal sta- bility because it starts to release water molecule at 318K. The values of enthalpy of dehydration pro- cess were determined with the use of DSC/TG system under nitrogen atmosphere.", "mime": "application/pdf"}, {"id": "ecletica-202", "words": "4380", "extension": ".pdf", "flesch": "58", "author": "Abdulaziz, Mohammed Abdulrahman Sameer; Kanakapura, Basavaiah; Vinay, Kanakapura Basavaiah", "title": "Titrimetric and spectrophotometric assay of bupropion hydrochloride in pharmaceuticals using mercury(II) nitrate", "date": "2010", "keywords": "bup; determination; diphenylcarbazone; drug; mercury(ii; method; ml-1; solution; titrimetric; water", "summary": "ecl\u00e9tica qu\u00edmica 35-3.indd ECL\u00c9TICA qu\u00edmica www.scielo.br/eq Volume 35, n\u00famero 3, 2010 9 Artigo/ArticleArtigo/Article Ecl. Qu\u00edm., S\u00e3o Paulo, 35 - 3: 9 - 16, 2010 TITRIMETRIC AND SPECTROPHOTOMETRIC ASSAY OF BUPROPION HYDROCHLORIDE IN PHARMACEUTICALS USING MERCURY(II) NITRATE M. A. Sameer Abdulaziz, K. Basavaiah* and K. B. Vinay Department of Chemistry, University of Mysore, Manasagangotri, Mysore-570006, India *Email: basavaiahk@yahoo.co.in Abstract: Two simple, rapid and accurate methods for the determination of bupropion hydro- chloride (BUP) in pure and in pharmaceutical preparations are described. Titrimetric method is applicable over a range 2\u201320 mg of BUP and the reaction stoichiometry is found to be 2:1 (BUP: Hg(NO3)2).", "mime": "application/pdf"}, {"id": "ecletica-203", "words": "15119", "extension": ".pdf", "flesch": "50", "author": "Andrade, Juliano de Almeida; Augusto, Fabio; Jardim, Isabel Cristina Sales Fontes", "title": "Biorremedia\u00e7\u00e3o de solos contaminados por petr\u00f3leo e seus derivados", "date": "2010", "keywords": "alguns; al\u00e9m; ambiental; article; artigo; atenua\u00e7\u00e3o; biodegrada\u00e7\u00e3o; bioremediation; biorremedia\u00e7\u00e3o; btex; caso; cetesb; como; como os; compostos; condi\u00e7\u00f5es; contaminados; contaminantes; contamina\u00e7\u00e3o; das; de petr\u00f3leo; de solos; degrada\u00e7\u00e3o; derivados; dos; e de; ecl; efi; environmental; epa; fatores; figura; hidrocarbonetos; local; maior; mais; meio; microorganismos; natural; neste; normalmente; nos; nutrientes; n\u00e3o; org\u00e2nicos; para; para o; paulo; pela; petr\u00f3leo; pode; por; principalmente; processo; que; que os; qu\u00edm; sendo; ser; seus; situ; soil; solos; s\u00e3o; tamb\u00e9m; tratamento; tratamento de; t\u00e9cnica; t\u00e9cnica de; uma; utiliza\u00e7\u00e3o; \u00e1gua; \u00e1rea", "summary": "Esquema t\u00edpico do tratamento de solos e de \u00e1guas subterr\u00e2neas por biorremedia\u00e7\u00e3o (EPA, 2003b) A incinera\u00e7\u00e3o caracteriza-se por apre- sentar custos maiores relacionados ao tratamen- to de solos e, consequentemente, \u00e0 inviabilidade do processo, dependendo do volume de solo a ser tratado.", "mime": "application/pdf"}, {"id": "ecletica-204", "words": "3226", "extension": ".pdf", "flesch": "54", "author": "Sekaran, Chandra Bala; Rani, Avula Prameela", "title": "Development and validation of spectrophotometric method for the determination of DPP-4 inhibitor, sitagliptin, in its pharmaceutical preparations", "date": "2010", "keywords": "concentration; determination; drug; method; pharmaceutical; phosphate; sitagliptin; stp", "summary": "Determination of STP in pharmaceutical formulations by standard addition technique Amount of drug added(\u03bcg) Theoretical amount(\u03bcg) Mean amount (\u03bcg) Recovered(n=5) Mean % of Recovery(n=5) RSD (%) 50 50 100.12 100.12 0.26 100 100 199.89 99.94 0.54 ANALYSIS OF PHARMACEUTICAL PREPARATIONS The proposed methods were applied to the analysis of STP in pharmaceutical dosage forms and the results were statistically compared with UV method by calculating the Student\u2019s t- and F-values. ecl\u00e9tica qu\u00edmica 35-3.indd ECL\u00c9TICA qu\u00edmica www.scielo.br/eq Volume 35, n\u00famero 3, 2010 45 Artigo/Article DEVELOPMENT AND VALIDATION OF SPECTROPHOTOMETRIC METHOD FOR THE DETERMINATION OF DPP-4 INHIBITOR, SITAGLIPTIN, IN ITS PHARMACEUTICAL PREPARATIONS C. Bala Sekaran1*, A. Prameela Rani2 1 Department of Biotechnology, J. K. C. College, Guntur, India.", "mime": "application/pdf"}, {"id": "ecletica-205", "words": "2840", "extension": ".pdf", "flesch": "57", "author": "dos Santos, Larissa Macedo; Sim\u00f5es, Marcelo Luiz; Montes, C\u00e9lia Regina; Melfi, Adolpho Jose; Martin-Neto, Ladislau", "title": "Viabilidade do emprego de \u00e1cido fluor\u00eddrico 10% para a remo\u00e7\u00e3o de \u00edons paramagn\u00e9ticos em amostras de solos e suas respectivas fra\u00e7\u00f5es f\u00edsicas", "date": "2010", "keywords": "ap\u00f3s; com; esgoto; fra\u00e7\u00e3o; para; por; resson\u00e2ncia; solo; s\u00e3o; tratamento; uor\u00eddrico; \u00e1cido", "summary": "ecl\u00e9tica qu\u00edmica 35-3.indd ECL\u00c9TICA qu\u00edmica www.scielo.br/eq Volume 35, n\u00famero 3, 2010 55 Artigo/Article VIABILIDADE DO EMPREGO DE \u00c1CIDO FLUOR\u00cdDRICO 10% PARA A REMO\u00c7\u00c3O DE \u00cdONS PARAMAGN\u00c9TICOS EM AMOSTRAS DE SOLOS E SUAS RESPECTIVAS FRA\u00c7\u00d5ES F\u00cdSICAS Larissa Macedo dos Santos1,2, Marcelo Luiz Sim\u00f5es1, C\u00e9lia Regina Montes3, Adolpho Jose Melfi 4, Ladislau Martin-Neto1 1Embrapa Instrumenta\u00e7\u00e3o Agropecu\u00e1ria; 2Universidade de S\u00e3o Paulo, Instituto de Qu\u00edmica de S\u00e3o Carlos; 3Universidade de S\u00e3o Paulo, Centro de Energia Nuclear na Agricultura; 4Universidade de S\u00e3o Paulo, Escola Superior de Agricultura Luiz de Queiroz. CEP 13570-390 - S\u00e3o Carlos, SP (*) mrezende@iqsc.usp.br Resumo: O lodo de esgoto dom\u00e9stico \u00e9 um res\u00edduo gerado durante os processos de tratamento de esgoto, podendo ser estabilizado por diversos processos qu\u00edmicos, f\u00edsicos e biol\u00f3gicos.", "mime": "application/pdf"}, {"id": "ecletica-206", "words": "3489", "extension": ".pdf", "flesch": "59", "author": "Silva, Paulo Roberto Dores; Landgraf, Maria Diva; Zozolotto, T\u00falio Ceretta; Rezende, Maria Olimpia de Oliveira; Pelatti, Isabela", "title": "Estudo preliminar do vermicomposto produzido a partir de lodo de esgoto dom\u00e9stico e solo", "date": "2010", "keywords": "como; esgoto; estabiliza\u00e7\u00e3o; foi; lodo; mat\u00e9ria; minhocas; org\u00e2nica; para; processo; que; solo; s\u00e3o; uma; vermicompostagem", "summary": "Teor de AH em fun\u00e7\u00e3o do tempo de vermicompostagem. 0 avaliaram a bio- atividade dos \u00e1cidos h\u00famicos de lodo de esgoto e de vermicomposto com rela\u00e7\u00e3o ao transporte de pr\u00f3tons atrav\u00e9s da membrana plasm\u00e1tica de c\u00e9- lulas de ra\u00edzes de caf\u00e9 e milho", "mime": "application/pdf"}, {"id": "ecletica-207", "words": "6355", "extension": ".pdf", "flesch": "63", "author": "Brighenti, Carla Regina Guimar\u00e3es; Reis, Efraim L\u00e1zaro; Reis, C\u00e9sar", "title": "Caracter\u00edsticas f\u00edsico-qu\u00edmicas de \u00e1cidos h\u00famicos em diferentes etapas da vermicompostagem", "date": "2010", "keywords": "amostras; an\u00e1lise; article; artigo; com; das; dos; ecl; foi; foram; grupos; h\u00famicos; linear; n\u00e3o; para; paulo; por; processo; que; qu\u00edm; s\u00e3o; titula\u00e7\u00e3o; uma; valores; \u00e1cidos", "summary": "Acompanhamento da perda de massa das amostras de \u00e1cidos h\u00famicos ao longo do tempo de ver- micompostagem. As fra\u00e7\u00f5es pulverizadas foram embaladas, etiqueta- das separadamente em frascos de vidro e armaze- nadas em refrigerador a 3\u00ba C. Pesaram-se 30 g de amostra de vermi- composto, colocando em agita\u00e7\u00e3o com 150 mL de NaCl 0,5", "mime": "application/pdf"}, {"id": "ecletica-208", "words": "3871", "extension": ".pdf", "flesch": "75", "author": "Verma, Prem Singh; Gorsi, Bhanwar Lal; Kalwania, G. S.; Singh, Lovel P.", "title": "Estimation of standard enthalpy of formation of alkanes in gaseous state by calculating size, structural and electronic parameters in the molecules", "date": "2010", "keywords": "atom; state; values; volume", "summary": "[2] A. M Aquino, D. L. Almeida, J. G. M. Guerra e H. De- Polli, Pesq. [15] H. Shin, J. M. Monsallier, G. R. Choppin, Talanta.", "mime": "application/pdf"}, {"id": "ecletica-209", "words": "3235", "extension": ".pdf", "flesch": "63", "author": "Sreevidya, Thekke V.; Narayana, Badiadka", "title": "Spectrophotometric determination of nevirapine using tetrathiocyanatocobalt(II) ion as a reagent", "date": "2010", "keywords": "method; nevirapine; nvp; ttc", "summary": "[4] L. I. Malaty, J. J. Kupper, Drug Sar. 20 (1999)147. [9] R. M. Gulick, J. M. Mellors, D. Havlir, J. J. Eron, C. Gonzalez, D. McMahon, D. D. Richman, F. T. Valentine, L. Jonas, A. Meibohm, E. A. Emini, J. A. Chodekewitz, N. Engl.", "mime": "application/pdf"}, {"id": "ecletica-210", "words": "2663", "extension": ".pdf", "flesch": "75", "author": "Ita, Benedict Iserom; Ekuri, Phenomena; Isaac, Idongesit Okon; James, Abosede Olubunmi", "title": "Bound state solutions of Schr\u00f6dinger equation for a more general exponential screened coulomb potential via Nikiforov-Uvarov method", "date": "2010", "keywords": "equation", "summary": "[4] L. I. Malaty, J. J. Kupper, Drug Sar. 20 (1999)147. [9] R. M. Gulick, J. M. Mellors, D. Havlir, J. J. Eron, C. Gonzalez, D. McMahon, D. D. Richman, F. T. Valentine, L. Jonas, A. Meibohm, E. A. Emini, J. A. Chodekewitz, N. Engl.", "mime": "application/pdf"}, {"id": "ecletica-211", "words": "2611", "extension": ".pdf", "flesch": "56", "author": "Narayana, Badiadka; Veena, Kunnummel; Ashwani, Krishnamurthy; Shetty, Divya Narayana", "title": "New reagents for the spectrophotometric determination of ranitidine hydrochloride", "date": "2010", "keywords": "absorbance; determination; hydrochloride; method; ranitidine; rnh; solution; system", "summary": "The Beer\u2019s law is obeyed in the concentration range of 0.4-8.0 \u03bcg/ ml of ranitidine hydrochloride (RNH) for RNH-MAG system and 0.2-1.6\u03bcg/ml of ranitidine hydrochloride for RNH-CV system. The present work involves sensitive, selective and cost effective methods for the determination of ranitidine hydrochloride.", "mime": "application/pdf"}, {"id": "ecletica-212", "words": "3184", "extension": ".pdf", "flesch": "65", "author": "da Silva, Gilmar Silv\u00e9rio; Miola, Sandra; da Silva, Gilberto Silv\u00e9rio; de Sousa, Eliane Rodrigues", "title": "Avalia\u00e7\u00e3o da qualidade das \u00e1guas do rio S\u00e3o Francisco Falso, tribut\u00e1rio do reservat\u00f3rio de Itaipu, Paran\u00e1", "date": "2010", "keywords": "campanha; das; estado; falso; francisco; itaipu; l-1; nh3; no2; oligo; para; paulo; que; rio; s\u00e3o; \u00e1guas", "summary": "Grau de trofia em corpos d\u2019\u00e1gua do estado de S\u00e3o Paulo: avalia\u00e7\u00e3o dos m\u00e9todos de monitoramento \u2013 S\u00e3o Paulo, p. 238. [9], o Rio Oco\u00ed, este sistema aqu\u00e1tico n\u00e3o recebe descarga de atividades urbano-industriais em suas \u00e1guas, sendo marcado pela presen\u00e7a de atividades de pecu\u00e1ria e agricultura.", "mime": "application/pdf"}, {"id": "ecletica-213", "words": "4701", "extension": ".pdf", "flesch": "62", "author": "Mashru, Rajashree C.; Saikumar, Simhadri Venkata ", "title": "Development and validation of spectroscopic methods for simultaneous estimation and dissolution of ofloxacin and ornidazole in tablet dosage forms", "date": "2010", "keywords": "dissolution; dosage; drug; method; ofl; orn; ornidazole; oxacin; paulo; qu\u00edm; s\u00e3o", "summary": "At present, there are no offi cial monographs for OFL and ORN dosage forms and no dissolution tests have been described in lite- rature. Grau de trofia em corpos d\u2019\u00e1gua do estado de S\u00e3o Paulo: avalia\u00e7\u00e3o dos m\u00e9todos de monitoramento \u2013 S\u00e3o Paulo, p. 238.", "mime": "application/pdf"}, {"id": "ecletica-214", "words": "3880", "extension": ".pdf", "flesch": "71", "author": "da Silva Junior, Humberto; de Freitas, Gutto Raffyson Silva; Pereira, Francisco R\u00e9gis da Silva; de Farias, Robson Fernandes; Pereira, Francisco Claudece", "title": "Determina\u00e7\u00e3o colorim\u00e9trica de metabissulfito", "date": "2010", "keywords": "5x10; com; como; concentra\u00e7\u00e3o; corante; figura; foi; l-1; mbs; mol; s\u00e3o; tamp\u00e3o; uma", "summary": "Curvas: (a) 0,0 de MBS, (b) 3,1x10-6 mol L-1 de MBS, (c) 9,2x10-6 mol L-1 de MBS, (d) 1,5x10- 5 mol L-1 de MBS, (e) 2,2x10-5 mol L-1 de MBS e (f) 3,0x10-5 mol L-1 de MBS. [13] M. S. M. Quintino, K. Araki, H. E. Toma, L. Angnes, Talanta, 68 (2006) 1281.", "mime": "application/pdf"}, {"id": "ecletica-215", "words": "2081", "extension": ".pdf", "flesch": "56", "author": "Garlipp, Waldir; Cilense, Mario", "title": "Permeabilidade e autoindu\u00e7\u00e3o magn\u00e9tica do n\u00edquel e da platina em fun\u00e7\u00e3o da temperatura", "date": "2010", "keywords": "autoindu\u00e7\u00e3o; com; dos; magn\u00e9tica; n\u00edquel; s\u00e3o; temperatura", "summary": "Com o conhecimento da magnetostri\u00e7\u00e3o, em fun\u00e7\u00e3o do campo magn\u00e9tico e da temperatura, pode-se avaliar a porcen tagem m\u00e9dia de dom\u00ednios magn\u00e9ticos em processo de orienta\u00e7\u00e3o, de cresci- mento, nuclea\u00e7\u00e3o e aniquilamento (1 ) trica do Ni, em fun\u00e7\u00e3o da temperatura e", "mime": "application/pdf"}, {"id": "ecletica-216", "words": "3811", "extension": ".pdf", "flesch": "66", "author": "da Silva Junior, Humberto; de Freitas, Gutto Raffyson Silva; N\u00e9ri, Diogo Roberto Ferreira; Pereira, Francisco R\u00e9gis da Silva; de Farias, Robson Fernandes; Pereira, Francisco Claudece", "title": "Monitoramento do corante pararosanilina em amostras biol\u00f3gicas", "date": "2010", "keywords": "atrav\u00e9s; com; corante; das; figura; foi; l-1; mol; para; paulo; que; s\u00e3o", "summary": "Somente um ponto de equival\u00eancia pode ser constatado em valores de 40,5 mL da adi\u00e7\u00e3o de NaOH, confi r- mando que a subst\u00e2ncia \u00e9 um \u00e1cido monopr\u00f3tico. O efeito das varia\u00e7\u00f5es da concentra\u00e7\u00e3o hidrogeni\u00f4nica sobre os sinais espectrofotom\u00e9tricos de 8,8x10-5 mol L-1 de P foi avaliado em amplo intervalo de pH de 2,0 a 12,0 em sistema tamponante B-R, Figura 5. 300 400 500 600 0,0 0,4 0,8 1,2 2 4 6 8 10 0,0 0,3 0,6 0,9 1,2 1,5 B a b c d e Ab so rb an cia \u03bb (nm) A Ab so rb an cia pH Figura 5 (A).", "mime": "application/pdf"}, {"id": "ecletica-217", "words": "4053", "extension": ".pdf", "flesch": "73", "author": "Costa, Leonardo de S\u00e1; Pereira, Francisco R\u00e9gis da Silva; de Farias, Robson Fernandes; Pereira, Francisco Claudece", "title": "Avalia\u00e7\u00e3o espectrofotom\u00e9trica das formas Cr+3, CrO4-2 e Cr2O7-2", "date": "2010", "keywords": "2,0; cr+3; cro4; figura; l-1; mol; para; paulo; pico; s\u00e3o", "summary": "Rela\u00e7\u00e3o entre comprimento de onda e pH. Curva (a): pico II e (b): pico I. Figura 3 (B): Rela\u00e7\u00e3o entre absorbancia em fun\u00e7\u00e3o das varia\u00e7\u00f5es do pH. Curva (a): pico I e (b): pico II. Em valor de pH 12,0 o pico (I) desloca-se para comprimentos de onda mais longos (\u03bb 373 nm); efeito similar tamb\u00e9m \u00e9 ob- servado para o pico (II) no qual o deslocamento ocorre para \u03bb 273 nm.", "mime": "application/pdf"}, {"id": "ecletica-218", "words": "3691", "extension": ".pdf", "flesch": "57", "author": "Magalh\u00e3es, Aderbal Farias; Tozzi, Ana Maria Goulart de Azevedo; Santos, Celira Caparica; Magalh\u00e3es, Eva Gon\u00e7alves", "title": "Chemical indexes calculated for 8,11,13-trienabietane diterpenoids isolated from Swartzia species", "date": "2010", "keywords": "arborescens; chemical; index; magalh\u00e3es; metabolites; skeleton; species; swartzia", "summary": "Phytochemically stu- died Swartzia species that furnished diterpenoids and triterpenoidal saponins (S. arborescens [25], S. simplex The results suggest a more evolved position in Swartzia species of the section Possira.", "mime": "application/pdf"}, {"id": "ecletica-219", "words": "4412", "extension": ".pdf", "flesch": "65", "author": "Ribeiro, Paulo Roberto da Silva; Pezza, Leonardo; Pezza, Helena Redigolo", "title": "A simple spectrophotometric method for the determination of captopril in pharmaceutical preparations using ammonium molybdate", "date": "2010", "keywords": "anal; captopril; colour; concentration; cpt; determination; l-1; method; paulo; pharm; pharmaceutical; procedure; s\u00e3o", "summary": "Then, the proposed method was successfully applied for CPT determination in six tablet formu- lations. A lei de Beer \u00e9 obedecida na faixa de concentra\u00e7\u00e3o de 4,60 x 10-4 a 1,84 x 10-3 mol L-1 de CPT com um excelente coeficiente de correla\u00e7\u00e3o (r = 0,9995).", "mime": "application/pdf"}, {"id": "ecletica-22", "words": "3066", "extension": ".pdf", "flesch": "53", "author": "de Oliveira, Daniel Augusto Barra; Gomes, Yagly Grasielle dos Santos", "title": "Geometria de equil\u00edbrio da mol\u00e9cula de Azadiracthin atrav\u00e9s de m\u00e9todos semiemp\u00edricos e Ab initio em compara\u00e7\u00e3o com os dados experimentais fornecidos pela difra\u00e7\u00e3o de raios X", "date": "2016", "keywords": "azadiractina; com; correla\u00e7\u00e3o; dados; estrutura; experimentais; journal; mol\u00e9cula; m\u00e9todo; para; pm6; que; uma", "summary": "O estudo de geometrias de equil\u00edbrio \u00e9 realizado com o aux\u00edlio de aproxima\u00e7\u00f5es qu\u00e2nticas que conseguem determinar estruturas de menor estado energ\u00e9tico. [15] E. A. S. de Castro, D. A. B. de Oliveira, S. A. S. Farias, R. Gargano, J. B. L. Martins, Structure and electronic properties of azadirachtin, Journal of Molecular Modeling, 2014, 20:2084, 1-7. http://www.jstor.org/stable/24098757 http://www.jstor.org/stable/24098757 https://link.springer.com/journal/894", "mime": "application/pdf"}, {"id": "ecletica-220", "words": "1712", "extension": ".pdf", "flesch": "71", "author": "Dias, Eud\u00e9cio Bonfim dos Santos; Vilela, Eliane da Costa; Lan\u00e7as, Fernando Mauro", "title": "An\u00e1lise de pesticidas organoclorados em \u00f3leos vegetais por cromatografia gasosa de alta resolu\u00e7\u00e3o (HRGC)", "date": "2010", "keywords": "anal; cl cl; com; paulo; pesticidas; s\u00e3o", "summary": "O presente artigo descreve o desenvolvimento de uma metodologia para an\u00e1lise de aldrin, dieldrin, endrin e endosulfan em \u00f3leos vegetais por cromatografi a gasosa de alta resolu\u00e7\u00e3o (HRGC) utilizando-se extra\u00e7\u00e3o em fase s\u00f3lida (SPE). Os radicais de \u00e1cidos graxos sendo de alto peso molecular per- fazem a maior parte da mol\u00e9cula do triglicer\u00eddeo constituindo a parte mais reativa [4].", "mime": "application/pdf"}, {"id": "ecletica-221", "words": "5393", "extension": ".pdf", "flesch": "69", "author": "Igwe, Jude Chibuzo; Onyegbado, C. O.; Abia, Augustine", "title": "Adsorption isotherm studies of BOD, TSS and colour reduction from palm oil mill effluent (POME) using boiler fly ash", "date": "2010", "keywords": "adsorption; ash; bod; boiler; colour; isotherm; mill; oil; palm; tss", "summary": "Adsorption of heavy metals from aqueous solution by fl y ash from palm oil mill and other sources has been reported [7-12]. Keywords: Adsorption, Wastewater, Isotherm, Boiler fl y ash, POME.", "mime": "application/pdf"}, {"id": "ecletica-222", "words": "2966", "extension": ".pdf", "flesch": "56", "author": "Lindino, Cleber Antonio; Mitsui, Marcia Lina; Ortiguara, Rodolfo; Felin, Daiane; da Rosa, Mauricio Ferreira; Bariccatti, Reinaldo Aparecido", "title": "Estudo de estabilidade do fosfato diss\u00f3dico de prednisolona em condi\u00e7\u00f5es de estresse oxidativo e t\u00e9rmico, em formula\u00e7\u00e3o oral", "date": "2010", "keywords": "amostra; com; degrada\u00e7\u00e3o; fosfato; f\u00e1rmaco; para; prednisolona; que; solu\u00e7\u00e3o; s\u00f3dico; temperatura", "summary": "Robustez A robustez foi avaliada por meio da an\u00e1lise da amostra submetida \u00e0 degrada\u00e7\u00e3o induzida, na qual obteve-se a forma\u00e7\u00e3o de um pico correspondente ao produto de degrada\u00e7\u00e3o. As amostras foram preparadas pipetando-se 1,0 mL da amostra e transferindo-se para bal\u00e3o volum\u00e9trico de 10 mL. Adicionou-se 2,0 mL de cada agente indutor de degrada\u00e7\u00e3o e completou-se o volume, conforme mostrado na tabela 2.", "mime": "application/pdf"}, {"id": "ecletica-223", "words": "3325", "extension": ".pdf", "flesch": "62", "author": "Cuchinski, Ariela Suzan; Caetano, Josiane; Dragunski, Douglas Cardoso", "title": "Extra\u00e7\u00e3o do corante da beterraba (Beta vulgaris) para utiliza\u00e7\u00e3o como indicador \u00e1cido-base", "date": "2010", "keywords": "alco\u00f3lico; aquoso; beterraba; colora\u00e7\u00e3o; com; como; dos; extrato; foram; meio; para; que; s\u00e3o; \u00e1cido", "summary": "Reversibilidade do equil\u00edbrio e mudan\u00e7a de cor em fun\u00e7\u00e3o do pH Inicialmente os extratos foram colocados em diferentes pH (1 \u00e0 12) para avaliar a altera\u00e7\u00e3o de colora\u00e7\u00e3o. b\u00e2ncia em fun\u00e7\u00e3o da concentra\u00e7\u00e3o de extrato, \u00eb de m\u00e1x.", "mime": "application/pdf"}, {"id": "ecletica-224", "words": "3817", "extension": ".pdf", "flesch": "60", "author": "Lima, Jhonatas de Souza; Dias, Mauro Cesar; Matencio, T\u00falio", "title": "Aplica\u00e7\u00e3o da espectroscopia no infravermelho e difra\u00e7\u00e3o de raio-X na determina\u00e7\u00e3o de sacarina em ado\u00e7antes l\u00edquidos artificiais pelo m\u00e9todo volum\u00e9trico com Ag+", "date": "2010", "keywords": "ado\u00e7antes; amostras; com; como; das; dos; entre; foram; m\u00e9todo; nos; padr\u00e3o; para; que; sacarina; s\u00e3o; s\u00f3dica", "summary": "O mecanismo proposto do desenvolvimento de c\u00e2ncer \u00e9 baseado na exposi\u00e7\u00e3o de altas doses de sacarina, na forma s\u00f3dica, que promove a precipita\u00e7\u00e3o de fosfato de c\u00e1lcio presente na urina em 26 Artigo Article pH elevado e altas concentra\u00e7\u00f5es de prote\u00edna. Os espectros na regi\u00e3o do infravermelho e difratogramas de raio-X de p\u00f3 foram comparados com o padr\u00e3o de sacarina s\u00f3dica (P.A.) e o seu precipitado de sacarinato de prata.", "mime": "application/pdf"}, {"id": "ecletica-225", "words": "3403", "extension": ".pdf", "flesch": "64", "author": "Marques, Marcelo Volpatto; Russowsky, Denis; Fontoura, Luiz Antonio Mazzini", "title": "An\u00e1lise conformacional de compostos de Biginelli com atividade antineopl\u00e1sica", "date": "2010", "keywords": "arila; cis; com; conformacional; equil\u00edbrio; foram; geometrias; grupo; monastrol; para; trans", "summary": "Para a rota\u00e7\u00e3o do grupo \u00e9ster, a barreira energ\u00e9tica para passar de s-cis para s-trans, as duas geometrias -1de equil\u00edbrio, foi de 3,9 kcal mol , sendo o primeiro -1deles 0,4 As barreiras ro- \u2014tacionais na convers\u00e3o de ap > sp foram estimadas -1em 2,6 e 6,3 kcal mol .", "mime": "application/pdf"}, {"id": "ecletica-226", "words": "3495", "extension": ".pdf", "flesch": "68", "author": "Guerra, Wendell; Fontes, Ana Paula Soares; Pereira-Maia, Elene Cristina", "title": "S\u00edntese e caracteriza\u00e7\u00e3o de um novo complexo bimet\u00e1lico de Pd(II) contendo o antibi\u00f3tico oxitetraciclina", "date": "2010", "keywords": "anel; complexo; coordena\u00e7\u00e3o; espectro; foi; foram; grupo; oxitetraciclina; para; que; s\u00e3o; uma", "summary": "Para o complexo II, as curvas TG/DTG mostram um evento de perda de massa na faixa entre 45-140\u00baC que corresponde \u00e0 sa\u00edda de duas mol\u00e9culas de \u00e1gua coordenadas e uma n\u00e3o coorde- nada. A curva TG/DTG para complexo I, Figura 2, revela que o complexo perde massa entre 50-100 \u00efC, correspondendo 5,25 % de perda de massa que corresponde \u00e0 sa\u00edda de duas mol\u00e9culas de \u00e1guas n\u00e3o coordenadas, (valor calculado: 5,06 % de massa).", "mime": "application/pdf"}, {"id": "ecletica-227", "words": "4862", "extension": ".pdf", "flesch": "57", "author": "Vaz, Luiz Gustavo de Lima; Klen, M\u00e1rcia Regina Fagundes; Veit, M\u00e1rcia Teresinha; da Silva, Edson Antonio; Barbiero, Tatiany Aparecida; Bergamasco, Ros\u00e2ngela", "title": "Avalia\u00e7\u00e3o da efici\u00eancia de diferentes agentes coagulantes na remo\u00e7\u00e3o de cor e turbidez em efluente de galvanoplastia", "date": "2010", "keywords": "alum\u00ednio; cloreto; coagulante; coagula\u00e7\u00e3o; como; concentra\u00e7\u00e3o; cor; dos; efluente; flocula\u00e7\u00e3o; foram; f\u00e9rrico; galvanoplastia; min; para; que; remo\u00e7\u00e3o; sedimenta\u00e7\u00e3o; sulfato; s\u00e3o; tempo; tratamento; turbidez; uma", "summary": "[13] estudou a aplica\u00e7\u00e3o de sementes de moringa no tratamento de \u00e1gua do Rio Tapero\u00e1, coletada em S\u00e3o Jo\u00e3o do Carir\u00ed, obtendo uma remo\u00e7\u00e3o de 96,20% de cor e turbidez, nas condi\u00e7\u00f5es de 200 ppm de coagulante, pH igual a 7,2 e 2 h de sedimenta\u00e7\u00e3o, obtendo resultados de remo\u00e7\u00e3o semelhantes ao deste trabalho, por\u00e9m o tempo de sedimenta\u00e7\u00e3o encontrado por O agente coagulante quitosana apresentou-se como mais promissor para a remo\u00e7\u00e3o de cor e turbidez em efluentes de galvanoplastia, removendo 97,76% de cor e 98,06", "mime": "application/pdf"}, {"id": "ecletica-228", "words": "4451", "extension": ".pdf", "flesch": "69", "author": "de Carvalho, Cl\u00e1udio Teodoro; de Siqueira, Adriano Buzutti; Ionashiro, Elias Yuki; Ionashiro, Massao", "title": "Synthesis, characterization and thermal behaviour of solid 2-methoxycinnamylidenepyruvate of some bivalent metal ions in CO2 and N2 atmospheres", "date": "2010", "keywords": "atmospheres", "summary": "TG Calcd TG Mn(L) \u00b72H O 13.78 13.97 13.47 79.71 79.62 6.51 6.41 Mn O2 2 3 4 Fe(L) \u00b72H O 13.92 13.89 14.15 79.58 79.40 6.50 6.71 Fe O2 2 3 4 Co(L) \u00b72H O 14.40 14.43 13.96 79.13 78.98 6.47 6.59 Co O2 2 3 4 Ni(L) \u00b72H O 13.41 13.09 13.55 The TG curve in N atmosphere also shows that the 2 mass loss are still being observed up to 1000 \u00baC, in all the compounds.", "mime": "application/pdf"}, {"id": "ecletica-229", "words": "3915", "extension": ".pdf", "flesch": "64", "author": "Silva, Flavio Soares; de Marchi, Mary Rosa Rodrigues", "title": "Valida\u00e7\u00e3o de m\u00e9todo anal\u00edtico para an\u00e1lise de amitraz em mel utilizando GC/TSD", "date": "2010", "keywords": "amitraz; amostra; com; foi; foram; mel; m\u00e9todo; n\u00e3o; para; que; recupera\u00e7\u00e3o; s\u00e3o; tsd", "summary": "An\u00e1lise de amostras de mel comercializadas em Araraquara. O m\u00e9todo validado foi utilizado para avaliar a qualidade de m\u00e9is comercializados na cidade de Araraquara/SP, nas quais n\u00e3o foram detectados res\u00edduos de amitraz Introdu\u00e7\u00e3o O mel, obtido a partir do n\u00e9ctar das flores, \u00e9 uma mistura de subst\u00e2ncias a qual o torna viscoso, arom\u00e1tico e a\u00e7ucarado", "mime": "application/pdf"}, {"id": "ecletica-230", "words": "3991", "extension": ".pdf", "flesch": "68", "author": "Caires, Fl\u00e1vio Junior; Lima, Liliane Spazzapam; de Carvalho, Cl\u00e1udio Teodoro; Ionashiro, Massao", "title": "Thermal behaviour of succinic acid, sodium succinate and its compounds with some bivalent transitions metal ions in dynamic N2 and CO2 atmospheres", "date": "2010", "keywords": "atmospheres; dta; mass", "summary": "+55-16-3301-6617; Fax: +55-16-3301-6692 E-mail address: massaoi@yahoo.com.br Abstract: Thermal stability and thermal decomposition of succinic acid, sodium succinate and its compounds with Mn(II), Fe(II), Co(II), Ni(II), Cu(II) and Zn(II) were investigated employing simultaneous thermogravi- metry and differential thermal analysis (TG-DTA) in nitrogen and carbon dioxide atmospheres and TG-FTIR in nitrogen atmosphere. Introduction Preparation and investigation on the thermal behaviour and thermal decomposition of several metal-ion succinates have been reported.", "mime": "application/pdf"}, {"id": "ecletica-231", "words": "2768", "extension": ".pdf", "flesch": "42", "author": "dos Santos, Thiago de Almeida Drumond; da Costa, Diego Oliveira; Pita, Samuel Silva da Rocha; Semaan, Felipe Silva", "title": "Potentiometric and conductimetric studies of chemical equilibria for pyridoxine hydrochloride in aqueous solutions: simple experimental determination of pKa values and analytical applications to pharmaceutical analysis", "date": "2010", "keywords": "analysis; hydrochloride; procedures; pyridoxine; samples; titration; values", "summary": "In both cases (potentiometry and conductimetry) solutions were prepared aiming to reach the same previously cited concentrations of analite but, in this case, two different proportions between real sample and standard pyridoxine hydrochloride (25:75 and 50:50, % m:m) were evaluated. Abstract: The combination of two low-cost classical procedures based on titrimetric techniques is presented for the determination of pyridoxine hydrochloride in pharmaceuticals samples.", "mime": "application/pdf"}, {"id": "ecletica-232", "words": "2867", "extension": ".pdf", "flesch": "63", "author": "Lima, Renata Toledo; Raposo J\u00fanior, Jorge Luiz; Virg\u00edlio, Alex; Gomes Neto, Jos\u00e9 Anchieta", "title": "Determination of copper at wide range concentrations using instrumental features of high-resolution continuum source flame atomic absorption spectrometry", "date": "2010", "keywords": "faas", "summary": ", mg L -1 c 0 50 100 150 200 250 0.00 0.07 0.14 A b so rb an ce Cu, mg L -1 d 0 200 400 600 800 0.00 0.09 0.18 A b so rb an ce Cu, mg L -1 e Figure 1. 0.07 \u2013 -1 -110.0 mg L (327.396 nm), 1.0 \u2013 30.0 mg L (222.570 -1 nm), 5.0 \u2013 100 mg L (249.215 nm) and 100 \u2013 800 mg -1L (224.426 nm) intervals with typical linear correlation coefficients better than 0.998 can be built up.", "mime": "application/pdf"}, {"id": "ecletica-233", "words": "3826", "extension": ".pdf", "flesch": "65", "author": "Locatelli, Jos\u00e9 Roberto; de Carvalho, Cl\u00e1udio Teodoro; Caires, Fl\u00e1vio Junior; Ionashiro, Massao", "title": "Synthesis, characterization and thermal behaviour of heavy trivalent lanthanide malonates", "date": "2010", "keywords": "compounds; curves; dta", "summary": "These curves also show that the first mass loss occurs within the same temperature range for Tb, Dy, Ho and Tm compounds (i.e. 303 \u2013 473 K) and for Er, Yb and Lu ones (i.e. 303 \u2013 453 K), in spite of the compounds have been maintained in a forced circulation oven at 323 K during 12 h and removed to a desiccator over anhydrous calcium chloride. In this paper, the object of the present research was to prepare solid state compounds of heavy trivalent lanthanide ions (i.e. Tb to Lu) with malonate and to characterize and to investigate by means of complexometry, elemental analysis, X-ray powder diffractometry, infrared spectroscopy, simultaneous thermogravimetry and differential thermal analysis (TG-DTA), differential scanning calorimetry (DSC) and TG-FTIR system.", "mime": "application/pdf"}, {"id": "ecletica-234", "words": "2828", "extension": ".pdf", "flesch": "52", "author": "de Lima, Ana L\u00facia; de Lima, Ana Paula; Portela, Flaysner Magayver; Santos, Douglas Queiroz; Neto, Waldomiro Borges; Hern\u00e1ndez-Terrones, Manuel Gonzalo; Fabris, Jos\u00e9 Domingos", "title": "Par\u00e2metros da rea\u00e7\u00e3o de transesterifica\u00e7\u00e3o et\u00edlica com \u00f3leo de milho para produ\u00e7\u00e3o de biodiesel", "date": "2010", "keywords": "biodiesel; catalisador; com; para; que; rea\u00e7\u00e3o; rendimento; transesterifica\u00e7\u00e3o; \u00f3leo", "summary": "Algumas propriedades f\u00edsico-qu\u00edmicas do \u00f3leo de milho. Ecl. Qu\u00edm., S\u00e3o Paulo, 35 - 4: 101 - 106, 2010 Ecl. Qu\u00edm., S\u00e3o Paulo, 35 - 4: 101 - 106, 2010106 Artigo Article molar etanol:triglicer\u00eddeo; (iv) tipo de catalisador; (v) propor\u00e7\u00e3o do catalisador, em rela\u00e7\u00e3o \u00e0 massa do \u00f3leo e (vi) temperatura, para obten\u00e7\u00e3o de biodiesel et\u00edlico, s\u00e3o significativamente relacionadas ao rendimento da rea\u00e7\u00e3o, medido em produtos da transesterifica\u00e7\u00e3o et\u00edlica, a partir do \u00f3leo de milho.", "mime": "application/pdf"}, {"id": "ecletica-235", "words": "2158", "extension": ".pdf", "flesch": "67", "author": "Queiroz, Douglas Santos; Vieira, Daniela Franco", "title": "Determina\u00e7\u00e3o de coeficiente de expans\u00e3o t\u00e9rmica do biodiesel e seus impactos no sistema de medi\u00e7\u00e3o volum\u00e9trico", "date": "2010", "keywords": "860,0; 863,5; 870,8; 874,5; 878,1; 881,7; biodiesel; coeficiente; expans\u00e3o; temperatura; t\u00e9rmica", "summary": "Alguns materiais apresen- tam uma grande varia\u00e7\u00e3o nas suas dimens\u00f5es com o aumento da temperatura, enquanto outros praticamen- te n\u00e3o mudam suas dimens\u00f5es [4], tal fato \u00e9 explicado pelo coeficiente de expans\u00e3o volum\u00e9trica [5]. \u00d7 10 \u00baC , para um aumento de temperatura de 10,0\u00baC, o aumento no volume do biodiesel \u00e9 da ordem de 8,5 litros para cada mil litros.", "mime": "application/pdf"}, {"id": "ecletica-237", "words": "3508", "extension": ".pdf", "flesch": "61", "author": "Sakiara, Kelly Alessandra; de Andrade, Sandro Jos\u00e9; Marchi, Mary Rosa Rodrigues; Vilegas, Wagner; Bosso, Rosa Maria do Vale; Conforti-Froes, N\u00edvea Dulce Tedeschi", "title": "Otimiza\u00e7\u00e3o e valida\u00e7\u00e3o de uma metodologia anal\u00edtica para determina\u00e7\u00e3o de 1-hidroxipireno em urina de cortadores de cana-de-a\u00e7\u00facar", "date": "2010", "keywords": "a\u00e7\u00facar; cana; cartuchos; com; foi; foram; metanol; mol; ohp; para; per\u00edodo; por; que; recupera\u00e7\u00e3o; safra; uma; urina", "summary": "-1A vaz\u00e3o foi de 0,8 mL min e o volume de inje\u00e7\u00e3o foi de 20 L. Os comprimentos de onda de excita\u00e7\u00e3o e de emiss\u00e3o foram 242 e 388 nm, respectivamente. Volumes de condicionamento, lavagem e elui\u00e7\u00e3o usados para os quatro cartuchos comerciais de SPE. Ecl. Qu\u00edm., S\u00e3o Paulo, 35 - 4: 113 - 119, 2010 116 Artigo Article obtidos de urina fortificada no n\u00edvel alto (16,78 ng -1mL ).", "mime": "application/pdf"}, {"id": "ecletica-238", "words": "4219", "extension": ".pdf", "flesch": "59", "author": "dos Santos, Michelle Cristina; Tognolli, Jo\u00e3o Ol\u00edmpio; Oliveira, Olga Maria Mascarenhas de Faria", "title": "Quimiometria como ferramenta anal\u00edtica para defini\u00e7\u00e3o das condi\u00e7\u00f5es de ensaio da enzima peroxidase de soja", "date": "2010", "keywords": "amostra; com; condi\u00e7\u00f5es; dos; entre; enzima; fatores; n\u00edvel; para; peroxidase; planejamento; quadrados; que; soja; s\u00e3o; tabela; temperatura; volume", "summary": "Nos estudos preliminares observou-se que nas concentra\u00e7\u00f5es de sulfato de am\u00f4nio entre 85 e 90% de satura\u00e7\u00e3o, atividade da peroxidase no sobrenadante diminuiu cerca de 85 % . Com os dados de unidade de atividade e do conte\u00fado prot\u00e9ico total (mg/mL) das amostras, a atividade espec\u00edfica foi calculada segundo a seguinte f\u00f3rmula: A.E. =U.A. / MG proteina satura\u00e7\u00e3o com sal de sulfato de am\u00f4nio foi feita segundo o nomograma de Dixon", "mime": "application/pdf"}, {"id": "ecletica-239", "words": "2951", "extension": ".pdf", "flesch": "58", "author": "Assump\u00e7\u00e3o, M\u00f4nica Helena Marcon Teixeira; Freitas, Kellen Heloizy Garcia; Souza, Fernanda Siqueira; Fatibello-Filho, Orlando", "title": "Constru\u00e7\u00e3o e adapta\u00e7\u00e3o de materiais alternativos em titula\u00e7\u00e3o \u00e1cido-base", "date": "2010", "keywords": "alternativos; balan\u00e7a; bureta; com; como; foi; para; que; qu\u00edmica; s\u00e3o; uma; volume; \u00e1cido", "summary": "O valor obtido foi de 0,44. O mesmo procedimento foi realizado utilizan- do-se uma bureta convencional obtendo-se um volume de equival\u00eancia m\u00e9dio de 7,8 mL. Este valor obtido, empregando-se vidraria de laborat\u00f3rio e aplicando-se os mesmos c\u00e1lculos anteriores forneceu uma concen- -1tra\u00e7\u00e3o de hidr\u00f3xido de s\u00f3dio igual a 0,057 mol L .", "mime": "application/pdf"}, {"id": "ecletica-24", "words": "4461", "extension": ".pdf", "flesch": "53", "author": "e Silva, Hellen Lu\u00edsa de Castro; Silva, Fl\u00e1vio Soares; Gimenes, Rossano; Kondo, M\u00e1rcia Matiko; da Silva, Milady Renata Apolin\u00e1rio", "title": "Tratamento de efluente de ind\u00fastria de processamento de batata por processo foto-Fenton heterog\u00eaneo utilizando ferrita de pilhas descartadas", "date": "2016", "keywords": "batata; catalisador; como; concentra\u00e7\u00e3o; efluente; fenton; ferrita; foi; foram; para; processamento; processo; que; qu\u00edmica; radia\u00e7\u00e3o; solar; tratamento; uma", "summary": "Disp\u00f5e sobre a classifica\u00e7\u00e3o dos corpos de \u00e1gua e diretrizes ambientais para o seu enquadramento, bem como estabelece as condi\u00e7\u00f5es e padr\u00f5es de lan\u00e7amento de efluentes para o estado de Minas Gerais, e d\u00e1 outras provid\u00eancias. Nesse contexto, o processo foto-Fenton heterog\u00eaneo poderia ser utilizado como pr\u00e9-tratamento, considerando que remove mat\u00e9ria org\u00e2nica com menor n\u00famero de etapas, adi\u00e7\u00e3o de produtos qu\u00edmicos e gera\u00e7\u00e3o de subprodutos que os m\u00e9todos f\u00edsicos e qu\u00edmicos atualmente empregados.", "mime": "application/pdf"}, {"id": "ecletica-240", "words": "8044", "extension": ".pdf", "flesch": "48", "author": "Gon\u00e7alves, Andressa Aparecida; Ara\u00fajo, Annelise Fran\u00e7a; Pires, Manoel Jos\u00e9 Mendes; Verly, Rodrigo Moreira; Franco, D\u00e9bora Vilela; da Silva, Leonardo Morais", "title": "Synthesis of chitosan-stabilised bimetallic nanoparticles containing Fe and Ni and the reductive degradation of nimesulide", "date": "2018", "keywords": "bimetallic; bnp; chi(susp; degradation; fe0; figure; iron; l\u22121; nanoparticles; nimesulide; nms; reaction; removal; system", "summary": "In this case, the chitosan- stabilised bimetallic nanoparticles containing Ni0 and Fe0 was obtained by adding 0.2615, 0.5230, and 1.046 g of Ni(NO3)2\u22c56H2O in the suspensions already containing the Fe0/CHI(susp.) As can be seen, the individual clusters composed of bimetallic nanoparticles stabilised with chitosan (17-bNP/CHI(susp.))", "mime": "application/pdf"}, {"id": "ecletica-241", "words": "3658", "extension": ".pdf", "flesch": "60", "author": "Rufino, Jos\u00e9 Luiz; Pezza, Helena Redigolo; Pezza, Leonardo", "title": "A simple spectrophotometric method for the determination of tetracycline and doxycycline in pharmaceutical formulations using chloramine-T", "date": "2010", "keywords": "absorbance; doxycycline; method; response; temperature; tetracycline; variables", "summary": "Several methods have been reported for their determinations, both in pharmaceutical formulati- ons and biological samples (fluids and tissues) including methods such as spectrophotometric [7-10], amperome- tric [11,12], chemiluminescence Robustness is an important feature of analytical method development, which can also be verified in this way [3,36,37].", "mime": "application/pdf"}, {"id": "ecletica-242", "words": "2664", "extension": ".pdf", "flesch": "60", "author": "Vaz, Denise de Oliveira; Neves Fernandes, Andreia; Szpoganicz, Bruno; Sierra, Maria Marta de Souza", "title": "Potentiometric quantification and speciation of oxygenated groups in humic substances using BEST7 software", "date": "2010", "keywords": "acid; groups; titration; values", "summary": "Five categories \u2013 two classes of phenolic groups (phenol and cathecol), two classes of carboxylic groups (benzoic and phtalic) and the combination between them (salicylic) - of oxygenated groups were considered as being responsible for the potentiometric behavior of the sample and were quantitatively determined. A first approximation of the total analytical concentrations of oxygenated groups in the sample was obtained with the Schnitzer method", "mime": "application/pdf"}, {"id": "ecletica-243", "words": "8409", "extension": ".pdf", "flesch": "61", "author": "Sargentelli, Vagner; Ferreira, Antonio Aparecido Pupim", "title": "Nanopart\u00edculas magn\u00e9ticas: o cobalto", "date": "2010", "keywords": "chem; cobalto; colaboradores; com; como; das; de cobalto; di\u00e2metro; dos; estruturas; foi; foram; magn\u00e9ticas; mater; nanopart\u00edculas; obten\u00e7\u00e3o; obtidas; para; phys; por; procedimento; propriedades; que; rea\u00e7\u00e3o; ser; sob; solu\u00e7\u00e3o; s\u00e3o; s\u00edntese; tamanho; tamb\u00e9m; uma", "summary": "A s\u00edntese envolveu a dissolu\u00e7\u00e3o de brometo de didodecildimetilam\u00f4nio e cloreto de cobalto (II) em tolueno. Sun e Murray utilizaram alta temperatura e uma fase de solu\u00e7\u00e3o redutora de cloreto de cobalto na presen\u00e7a de agentes estabilizantes para produzir col\u00f3ides magn\u00e9ticos de nanocristais de cobalto [24].", "mime": "application/pdf"}, {"id": "ecletica-244", "words": "4823", "extension": ".pdf", "flesch": "64", "author": "Donini, \u00cdgor Augusto Negri; de Salvi, Denise Toledo Bonemer; Fukumoto, Fabiana Keiko; Lustri, Wilton Rog\u00e9rio; Barud, Hernane da Silva; Marchetto, Reinaldo; Messaddeq, Younes; Ribeiro, Sidney Jos\u00e9 Lima", "title": "Bioss\u00edntese e recentes avan\u00e7os na produ\u00e7\u00e3o de celulose bacteriana", "date": "2010", "keywords": "article; artigo; bacteriana; celulose; com; como; das; para; paulo; pela; pode; por; produ\u00e7\u00e3o; que; qu\u00edm; s\u00e3o; uma; xylinus", "summary": "O pol\u00edmero linear de celulose \u00e9 fortemente associado atrav\u00e9s das liga\u00e7\u00f5es de hidrog\u00eanio que s\u00e3o respons\u00e1- veis pela forma\u00e7\u00e3o das fibras de celulose. Atualmente a madeira do eucalipto tem sido uma das principais fontes industriais de celulose sendo composta por celulose (40 a 45%), lignina (25 a 30%), hemiceluloses (30%) e extrativos (at\u00e9 4%).", "mime": "application/pdf"}, {"id": "ecletica-247", "words": "2699", "extension": ".pdf", "flesch": "68", "author": "Bicudo, Simone Cristine Wosniacki; Demiate, Ivo Mottin; Bannach, Gilbert; Lacerda, Luiz Gustavo; Carvalho Filho, Marco Aurelio da Silva; Ionashiro, Massao; Schnitzler, Egon", "title": "Thermoanalytical study and characterization of native starches of Paran\u00e1 pine seeds (Araucaria angustiofolia, Bert O. Ktze) and European chestnut seeds (Castanea sativa, Mill)", "date": "2009", "keywords": "amylose; loss; mass; paran\u00e1; seeds; starch", "summary": "Conclusions TG curves of European chestnut starch and Paran\u00e1 pine seeds starch show mass losses in four and three steps respectively; helped to observe the dehydration and the thermal stability of each raw starch sample, in agreement with endo or exother- mic peaks observed at DTA curves. Simultaneous TG and DTA curves of: (a) European chestnut seeds starch, m = 9.46 mg, and (b) Paran\u00e1 pine seeds starch, m = 8.62 mg.", "mime": "application/pdf"}, {"id": "ecletica-248", "words": "3167", "extension": ".pdf", "flesch": "50", "author": "Fernandes, Renata dos Santos; Louren\u00e7o, Miriam Verg\u00ednia; Miranda, Carlos Eduardo Saraiva; Fran\u00e7a, Suzelei de Castro; Janu\u00e1rio, Ana Helena", "title": "Valida\u00e7\u00e3o do m\u00e9todo de extra\u00e7\u00e3o e quantifica\u00e7\u00e3o de 7-hidr\u00f3xi-4\u2019, 6-dimet\u00f3xi-isoflavona em culturas de c\u00e9lulas em suspens\u00e3o e calos de Dipteryx odorata", "date": "2009", "keywords": "calos; como; concentra\u00e7\u00e3o; c\u00e9lulas; dipteryx; dos; foram; isoflavona; odorata; padr\u00e3o; para; quantifica\u00e7\u00e3o; que; suspens\u00e3o; uma; valida\u00e7\u00e3o", "summary": "EQ02-AF:MODELO-AF 7/20/09 10:09 PM P\u00e1gina 17 Conclus\u00f5es o m\u00e9todo anal\u00edtico proposto para extra\u00e7\u00e3o, detec\u00e7\u00e3o e quantifica\u00e7\u00e3o da isoflavona 7-hidr\u00f3xi- 4\u2019,6-dimet\u00f3xisoflavona (1) em cultura de c\u00e9lulas em suspens\u00e3o e calos de Dipteryx odorata apresentou resultados satisfat\u00f3rios em todas as etapas do pro- cesso de valida\u00e7\u00e3o, dentro dos par\u00e2metros recomen- dados pela RE 899/03-ANVISA, mostrando ser sens\u00edvel, preciso e linear, podendo contribuir para o controle de qualidade de culturas de c\u00e9lulas culti- vadas in vitro desta esp\u00e9cie vegetal. Para a avalia\u00e7\u00e3o da recupera\u00e7\u00e3o foram preparadas, amostras de calos e c\u00e9lulas em sus- pens\u00e3o na concentra\u00e7\u00e3o de 0,01 mg PS/mL, onde PS = Peso Seco , utilizando metanol como sol- vente.", "mime": "application/pdf"}, {"id": "ecletica-249", "words": "2603", "extension": ".pdf", "flesch": "58", "author": "Vict\u00f3rio, Cristiane Pimentel; Lage, Celso Luiz Salgueiro; Kuster, Ricardo Machado", "title": "Flavonoid extraction from Alpinia zerumbet (Pers.) Burtt et Smith leaves using different techniques and solvents", "date": "2009", "keywords": "extraction; extracts; flavonoids; microwave; ultrasonic", "summary": "Ethanol 70% was more efficient for flavonoids extraction than water. Equal letters indi- cate no statistical differences among extraction techniques considering 70% ethanol as solvent, p<0.05.", "mime": "application/pdf"}, {"id": "ecletica-250", "words": "3153", "extension": ".pdf", "flesch": "68", "author": "Crist\u00f3v\u00e3o, Beata; Ferenc, Wieslawa; Sarzy\u0144ski, Jan; G\u0142uchowska, Halina", "title": "Synthesis and magnetic studies of copper(II)-lanthanide(III) 5-bromosalicylideneglycylglycine", "date": "2009", "keywords": "chem; complexes; compounds; water", "summary": "Keywords: lanthanide; copper; Schiff base; magnetic moment; magnetic susceptibility. The magnetic behaviour of the title com- pounds was studied in the temperature range 76\u00a0\u2013\u00a0303\u00a0K and the results are presented in Table 2 and Fig. 2 as plots cM and 1/cM versus T, where cM and T denote magnetic susceptibility per mol- ecule and absolute temperature, respectively.", "mime": "application/pdf"}, {"id": "ecletica-251", "words": "3938", "extension": ".pdf", "flesch": "64", "author": "da Silva, Paulo Roberto Nagipe; Soares, Ana Br\u00edgida", "title": "Lanthanum based high surface area perovskite-type oxide and application in CO and propane combustion", "date": "2009", "keywords": "catalyst; lacoo3; lamno3; lanio3; lanthanum; oxygen; perovskite; structure", "summary": "Conversion of perovskite type oxide for CO oxidation. Conversion of perovskite type oxide for propane oxidation.", "mime": "application/pdf"}, {"id": "ecletica-252", "words": "2534", "extension": ".pdf", "flesch": "53", "author": "dos Santos, Larissa Macedo; Sim\u00f5es, Marcelo Luiz; da Silva, Wilson Tadeu Lopes; Milori, D\u00e9bora Marcondes Bastos Pereira; Montes, C\u00e9lia Regina; Melfi, Adolpho Jose; Martin-Neto, Ladislau", "title": "Caracteriza\u00e7\u00e3o qu\u00edmica e espectrosc\u00f3pica de solos irrigados com efluente de esgoto tratado", "date": "2009", "keywords": "com; dos; eet; esgoto; fluoresc\u00eancia; laser; mat\u00e9ria; org\u00e2nica; para; por; solo; s\u00e3o", "summary": "o HFIL das amostras de solo irrigadas ou n\u00e3o com EET nas profundidades de 0-10, 10-20, 20-40, 40-60, 60- 80 e 80-100 cm. Qu\u00edm., S\u00e3o Paulo, 34(1): 39-44, 2009 www.scielo.br/eq www.ecletica.iq.unesp.br Volume 34, n\u00famero 1, 2009 Caracteriza\u00e7\u00e3o qu\u00edmica e espectrosc\u00f3pica de solos irrigados com efluente de esgoto tratado Larissa Macedo dos Santos1,2, Marcelo Luiz Sim\u00f5es1, Wilson Tadeu Lopes da Silva1, D\u00e9bora Marcondes Bastos Pereira Milori1, C\u00e9lia Regina Montes3, Adolpho Jose Melfi4, Ladislau Martin-Neto1 1Embrapa Instrumenta\u00e7\u00e3o Agropecu\u00e1ria; 2Universidade de S\u00e3o Paulo, Instituto de Qu\u00edmica de S\u00e3o Carlos; 3Universidade de S\u00e3o Paulo, Centro de Energia Nuclear na Agricultura; 4Universidade de S\u00e3o Paulo, Escola Superior de Agricultura Luiz de Queiroz. * larissa@cnpdia.embrapa.br Resumo: A utiliza\u00e7\u00e3o de efluentes de esgoto tratado na irriga\u00e7\u00e3o, ao inv\u00e9s de realizar a disposi\u00e7\u00e3o deste subproduto nos cursos d\u2019\u00e1gua tem sido uma alternativa antiga, popular e atrativa, com triplo prop\u00f3sito: tratamento complementar do efluente, fonte de \u00e1gua e de nutrientes ao sistema solo-planta.", "mime": "application/pdf"}, {"id": "ecletica-253", "words": "3210", "extension": ".pdf", "flesch": "66", "author": "Fungaro, Denise Alves; Izidoro, Juliana de Carvalho; Bruno, Mariza", "title": "Aplica\u00e7\u00e3o de material zeol\u00edtico sintetizado de cinzas de carv\u00e3o como adsorvente de poluentes em \u00e1gua", "date": "2009", "keywords": "adsor\u00e7\u00e3o; carv\u00e3o; cinzas; com; das; foram; material; para; que; s\u00e3o; ze\u00f3litas", "summary": "Os dados n\u00e3o se ajustaram ao modelo de adsor\u00e7\u00e3o de Langmuir apresentando valores das constantes negativos. Os dados de adsor\u00e7\u00e3o foram analisados usando-se os modelos de Langmuir e Freundlich que s\u00e3o os mais freq\u00fcentemente usados para des- crever isotermas para aplica\u00e7\u00f5es em tratamento de \u00e1guas e efluentes l\u00edquidos", "mime": "application/pdf"}, {"id": "ecletica-254", "words": "2452", "extension": ".pdf", "flesch": "60", "author": "Branco, Carlos Henrique Diniz; da Silva, Araildo Lima; Luiz, Jose Marques; Mercuri, Lucildes Pita; Matos, Jivaldo do Ros\u00e1rio", "title": "Caracteriza\u00e7\u00e3o de c\u00e1lculos renais por an\u00e1lise t\u00e9rmica", "date": "2009", "keywords": "absor\u00e7\u00e3o; amostras; curvas; c\u00e1lcio; c\u00e1lculos; dsc; entre; grupo; por; que; s\u00e3o; uma", "summary": "Curvas DSC de amostras do Grupo II. Curvas TG das amostras do Grupo II EQ08-AF:MODELO-AF 7/20/09 10:14 PM P\u00e1gina 54 Conclus\u00f5es Apesar do reduzido n\u00famero de amostras o presente trabalho possibilitou a abordagem de t\u00e9cnicas pouco utilizadas no meio cl\u00ednico para a identifica\u00e7\u00e3o dos c\u00e1lculos urin\u00e1rios, apontando para a necessidade de uma melhor adequa\u00e7\u00e3o dos laudos laboratoriais.", "mime": "application/pdf"}, {"id": "ecletica-255", "words": "2827", "extension": ".pdf", "flesch": "66", "author": "Rocha, Diana; Takahashi, Jacqueline Aparecida; Boaventura, Maria Amelia Diamantino", "title": "Di- and tri-hydroxylated kaurane derivatives from microbial transformation of ent-Kaur-16-en-19-ol by Cephalosporium aphidicola and their allelopathic activity on Lactuca sativa (Lettuce)", "date": "2009", "keywords": "ent; signal; spectrum", "summary": "[4] J. A. Takahashi, H. S. Vieira, J. R. Hanson, P. B. Hitchcock, A. B. Oliveira, M. A. D. Boaventura, Quim. Qu\u00edm., S\u00e3o Paulo, 34(1): 57-62, 2009 www.scielo.br/eq www.ecletica.iq.unesp.br Volume 34, n\u00famero 1, 2009 Di-And Tri-Hydroxylated Kaurane Derivatives From Microbial Transformation Of Ent-Kaur-16-En-19-Ol By Cephalosporium Aphidicola And Their Allelopathic Activity On Lactuca Sativa (Lettuce) D. Rocha, J. A. Takahashi, M. A. D. Boaventura* Departamento de Qu\u00edmica, ICEx, Universidade Federal de Minas Gerais, Belo Horizonte, MG, CEP 31270-901 , Brazil *dianadb@netuno.lcc.ufmg.br Abstract: The use of microorganisms to induce chemical modifications in organic molecules is a very useful tool in organic synthesis, to obtain biologically active substances.", "mime": "application/pdf"}, {"id": "ecletica-256", "words": "1933", "extension": ".pdf", "flesch": "59", "author": "Dziewulska-Ku\u0142aczkowska, Agnieszka; Ferenc, Wieslawa", "title": "Thermal and spectral properties of di- and trimethoxybenzoates of silver (I)", "date": "2009", "keywords": "complexes; compounds; dziewulska; walk\u00f3w", "summary": "The com- plexes of Ag(I) are anhydrous compounds with carboxylate groups of various dentates resulting from the different influences of inductive, mesomeric and steric effects of -OCH3 groups on the electron density of the system depending on their position in benzene ring. The solubilities of analysed complexes in water were measured at 293 K. Saturated solution of the obtained compounds were prepared under isothermal conditions.", "mime": "application/pdf"}, {"id": "ecletica-257", "words": "3100", "extension": ".pdf", "flesch": "69", "author": "Antunes, Patr\u00edcia Alexandra; Bannach, Gilbert; Chierice, Gilberto Orivaldo; Cavalheiro, \u00c9der Tadeu Gomes", "title": "Direct and simultaneous spectrophotometric determination of Ni (II) and Co (II) using diethanoldithiocarbamate as complexing agent", "date": "2009", "keywords": "concentration; dedc; determination; l-1; ligand; mol", "summary": "Example of analytical curves for Co2+ and Ni2+ determination and the absorbance of samples 1 an 2. 0 2 4 6 8 10 0.0 0.2 0.4 0.6 0.8 b CNi2+ = 1.00.10-4mol L-1 CCo2+ = 1.00.10-3 - 1.00.10-5 mol L-1 CDEDC = 1.00.10-2 mol L-1 \u03bb = 638 nm < sample 2 < sample 1 A bs or ba nc e CCo2+ / mol L-1 0 2 4 6 8 10 0.8 1.0 1.2 1.4 1.6 1.8 c < sample 1 CCo2+ = 1.00.10-4 mol L-1 CNi2+ = 1.00.10-3 - 1.00.10-5 mol L-1 CDEDC = 1.00.10-2 mol L-1 \u03bb = 390 nm A bs or ba nc e CNi2+ / 1\u00b710-5 mol L-1 0 2 4 6 8 10 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 a < sample 2 CNi2+ = 1.00.10-4mol L-1 CCo2+ = 1.00.10-3 - 1.00.10-5 mol L-1 CDEDC = 1.00.10-2 mol L-1 \u03bb = 360 nm < sample 1 A bs or ba nc e CCo2+ / 1\u00b710-4 mol L-1 Figure 3. Adjusting the best metal/ligand ratio, supporting eletrolite, pH, and time of analysis, linear analytical curves from 1.0 10-6-4.0 10-4 for Co(II) in the presence of Ni 1.0 10-6-1.0 10-4 mol L-1 were observed.", "mime": "application/pdf"}, {"id": "ecletica-258", "words": "3087", "extension": ".pdf", "flesch": "73", "author": "de Siqueira, Adriano Buzutti; de Carvalho, Cl\u00e1udio Teodoro; Ionashiro, Elias Yuki; Ionashiro, Massao", "title": "Synthesis, characterization and thermal behaviour on solid pyruvates of some bivalent metal ions", "date": "2009", "keywords": "compounds; curves; loss; mass", "summary": "Ecl. Qu\u00edm., S\u00e3o Paulo, 34(2): 15 - 21, 2009 21 Conclusions From TG curves, elemental analysis and complexometria results a general formula could be established for these compounds in the solid state. Introduction Investigations on pyruvic acid (HPy), as well as compounds derivatives of HPy, have been carried out in biological science researches.", "mime": "application/pdf"}, {"id": "ecletica-259", "words": "2096", "extension": ".pdf", "flesch": "59", "author": "de Sousa, Rog\u00e9rio Adelino; Cavalheiro, \u00c9der Tadeu Gomes", "title": "Potentiometric determination of minoxidil in topical use pharmaceutical samples", "date": "2009", "keywords": "determination; k2cr2o7; l-1; minoxidil; s\u00e3o", "summary": "Aliquots of 0.500 mL of minoxidil solutions were added to the K2Cr2O7 solution in acid media from a 10.00 mL full capa- city burette. [5] W. Z. Zhong, P. E. Sanders, M. J. Hauer, J. J. Vrbanae, J.Chromatogr.", "mime": "application/pdf"}, {"id": "ecletica-26", "words": "5947", "extension": ".pdf", "flesch": "52", "author": "dos Santos, Marina Carvalho; Carneiro, Wilsione", "title": "Estudo comparativo in vitro e avalia\u00e7\u00e3o da qualidade f\u00edsico-qu\u00edmica do antirretroviral aciclovir comprimidos obtidos via internet", "date": "2016", "keywords": "acv; brasileira; comprimidos; das; dissolu\u00e7\u00e3o; equa\u00e7\u00e3o; farmac\u00eautica; foi; foram; f\u00e1rmaco; massa; medicamentos; n\u00e3o; para; pela; por; qualidade; que; qu\u00edmica; resultados; teste; uma; uniformidade", "summary": "Em que, T = Teor; Abamostra = leitura de absorb\u00e2ncia obtida pela solu\u00e7\u00e3o amostra; AbSQR = leitura de absorb\u00e2ncia obtida pela solu\u00e7\u00e3o que cont\u00e9m a subst\u00e2ncia qu\u00edmica de refer\u00eancia de ACV 10,12,15 . MATERIAL E M\u00c9TODOS Amostras, subst\u00e2ncia qu\u00edmica de refer\u00eancia e reagentes Comprimidos de duas diferentes especialidades farmac\u00eauticas denominados de A (medicamento refer\u00eancia) e B (medicamento gen\u00e9rico), contendo 200 mg de ACV, foram adquiridos via internet de drogarias localizadas na cidade de S\u00e3o Paulo \u2013 SP e transportados para a UFMT/CUA \u2013 Barra do Gar\u00e7as \u2013 MT.", "mime": "application/pdf"}, {"id": "ecletica-260", "words": "4679", "extension": ".pdf", "flesch": "72", "author": "Tubino, Matthieu; Queiroz, Carlos Alberto da Rocha", "title": "Flow injection visible diffuse reflectance quantitative analysis of total sulfur in biodiesel, in plant leaves and in natural waters", "date": "2009", "keywords": "anal; barium; flow; l-1; method; mol; solution; sulfate", "summary": "The application of flow methods based on the formation of precipitates in line implies in some possible problems. M. Tubino, M. M. D. C. Vila, J. Flow Injection Anal.", "mime": "application/pdf"}, {"id": "ecletica-261", "words": "4476", "extension": ".pdf", "flesch": "66", "author": "Visani, Valeria; de Barros, Sara Regina Ribeiro Carneiro; Dantas Filho, Heronides Adonias; de Almeida, Luciano Farias; de Lima, Ricardo Alexandre Cavalcanti; Fragoso, Wallace Duarte; Saldanha, Teresa Cristina Bezerra; Ara\u00fajo, M\u00e1rio C\u00e9sar Ugulino", "title": "Flow-batch analyser for preparation of calibration standard mixtures in simultaneous multicomponent spectrometric analysis", "date": "2009", "keywords": "calibration; flow; mixtures; samples; test; time", "summary": "Procedure The analytical procedure is based on the insertion of time controlled volumes of the stan- dard solutions of the ion metals, buffer, PAR and samples solutions towards MC, following homo- genization and the transport of the resulting mix- ture towards detector. Calibration mixtures valve timings (s).", "mime": "application/pdf"}, {"id": "ecletica-262", "words": "4307", "extension": ".pdf", "flesch": "56", "author": "Moraes, Dorsan dos Santos; da Rocha Filho, Geraldo Narcioso; Zamian, Jos\u00e9 Roberto", "title": "S\u00edntese de \u00e9ster de cadeia longa via cat\u00e1lise b\u00e1sica heterog\u00eanea", "date": "2009", "keywords": "calcina\u00e7\u00e3o; catalisador; com; como; dos; foi; foram; literatura; mgo-1; para; por; precursor; que; rea\u00e7\u00e3o; rendimento; s\u00e3o; temperatura; uma; \u00f3xido", "summary": "O rendimento obtido foi de 18%, e reflete somente o efeito da temperatura no rendimento da rea\u00e7\u00e3o, como mostrado na Tabela 3. A velocidade angular do goni\u00f4metro foi de 0,01\u00ba/s e intervalo de varredura de 2\u03b8 = 20 a 90\u00ba. A \u00e1rea superficial espec\u00edfica e o volume de poros dos \u00f3xidos foram obtidos atrav\u00e9s da curva de adsor\u00e7\u00e3o f\u00edsica de nitrog\u00eanio em um analisador de adsor\u00e7\u00e3o gasosa Quantachome modelo NOVA 1200.", "mime": "application/pdf"}, {"id": "ecletica-263", "words": "3841", "extension": ".pdf", "flesch": "65", "author": "Foguel, Marcos Vinicius; Uliana, Carolina Venturini; Tomaz, Paulo Roberto Ussoni; de Oliveira Marques, Paulo Roberto Brasil; Yamanaka, Hideko; Pupim Ferreira, Antonio Aparecido", "title": "Avalia\u00e7\u00e3o da limpeza de CDtrodo constru\u00eddos a partir de CD de ouro grav\u00e1vel/fita adesiva de galvanoplastia", "date": "2009", "keywords": "cdtrodo; com; constru\u00e7\u00e3o; eletrodos; fe(cn)6; figura; foi; l-1; limpeza; ouro; para; que; solu\u00e7\u00e3o; superf\u00edcie; trabalho; \u00e1rea", "summary": "RESULTADOS E DISCUSS\u00c3O A retirada manual das camadas polim\u00e9ricas do CD-R para ent\u00e3o expor a camada de ouro apre- sentou voltamograma c\u00edclico do sistema padr\u00e3o (solu\u00e7\u00e3o tamp\u00e3o fosfato + Fe(CN)6 4-) conforme esperado, no entanto como a camada de ouro \u00e9 muito delgada a n\u00e3o reprodutibilidade na con- fec\u00e7\u00e3o do CDtrodo indicou inviabilidade do pro- cedimento. Isso se deve provavelmente \u00e0 res\u00edduos de \u00f3xidos na superf\u00edcie de ouro n\u00e3o totalmente eliminado na limpeza ma- nual; o emprego da alumina requer muito cuidado para que a camada de ouro n\u00e3o seja retirada Ecl. Qu\u00edm., S\u00e3o Paulo, 34(2): 59 - 66, 2009 63 0.0 0.1 0.2 0.3 0.4 0.5 -50 0 50 100 I/\u00b5 A E/V vs. Ag|AgCl|KCl(sat) Figura 4.", "mime": "application/pdf"}, {"id": "ecletica-264", "words": "3149", "extension": ".pdf", "flesch": "58", "author": "Fatibello-Filho, Orlando; Vieira, Heberth Juliano", "title": "Spectrophotometric flow injection system for determination of Zn2+ in ophthalmic formulations using Alizarin red S", "date": "2009", "keywords": "alizarin; flow; injection; l-1; mol; procedure; red; solution; zn2", "summary": "Determination of Zn2+ in commercial formulations by using flow procedure and comparative batch procedure [29] Samples Zn2+ (mg mL-1) Relative error (%)Comparative Proposed flow procedure A B C 0.069 \u00b1 0.003 0.602 \u00b1 0.003 0.126 \u00b1 0.002 0.071 \u00b1 0.001 0.585 \u00b1 0.002 0.129 \u00b1 0.001 2,9 -2.8 2.4 n=3, mean \u00b1 standard deviation; Re1, relative error between proposed flow procedure vs. comparative method. The effect of Alizarin red S solution on the analytical signal was studied between 7.5x10-5 and 4.7x10-4 mol L-1 using a 1.6x10-2 mol L-1 bora- te buffer (pH 9.0).", "mime": "application/pdf"}, {"id": "ecletica-265", "words": "3534", "extension": ".pdf", "flesch": "41", "author": "de Mello Peters, Raul Fernando; Mantey dos Santos, P\u00e2mela Andr\u00e9a; Machado, Tiele Caprioli; Rodriguez Lopez, Diosnel Antonio; Machado, \u00canio Leandro; Lawisch Rodriguez, Adriane de Assis", "title": "Photocatalytic degradation of methylene blue using TiO2 supported in ceramic material", "date": "2018", "keywords": "blue; catalyst; degradation; dye; mass; material; methylene; photocatalytic; samples; tio2", "summary": "The results show that the reaction of photocatalytic degradation of the dye presents pseudo-first order kinetics, with values of degradation between 60 and 70 %. For the reactions of photocatalytic degradation, 3 ceramic samples supported with a photocatalyst were used, labeled samples 1A, 2A, and 3A. These samples were placed in the vertical reactor and added to 300 mL of 5 mg L-1 aqueous methylene blue solution.", "mime": "application/pdf"}, {"id": "ecletica-267", "words": "3186", "extension": ".pdf", "flesch": "49", "author": "da Silva, Herlle Aparecido; Yamaguchi, Lydia Fumiko; Young, Maria Cl\u00e1udia Marx; Ramos, Cl\u00e9cio Souza; Amorim, Andr\u00e9 M\u00e1rcio Ara\u00fajo; Kato, Massuo Jorge; Batista, Ronan", "title": "Antifungal piperamides from Piper mollicomum Kunth (Piperaceae)", "date": "2018", "keywords": "antifungal; mollicomum; piper", "summary": "[25] Sousa, F. C. F., Monteiro, A. P., Melo, C. T. V., Oliveira, G. R., Vasconcelos, S. M. M., Fonteles, M. M. F., Gutierrez, S. J. C., Barbosa- filho, J. M., Viana, G. S. B., Antianxiety effects of riparin I from Aniba riparia (Nees) [8] Al\u00e9cio, A. C., Bolzani, V. D., Young, M. C. M., Kato, M. J., Furlan, M., Antifungal amide from leaves of Piper hispidum, J. Nat.", "mime": "application/pdf"}, {"id": "ecletica-268", "words": "2664", "extension": ".pdf", "flesch": "30", "author": "Gurgatz, Bruno Martins; Carvalho-Oliveira, Regiani; Antoniaconi, Gisele; Saldiva, Paulo Hil\u00e1rio do Nascimento; Huergo, Luciano Fernandes; Reis, Rodrigo Arantes", "title": "Spatial Distribution Of Atmospheric Pollutants Through Biomonitoring In Tree Bark Using X-Ray Fluorescence", "date": "2018", "keywords": "air; barks; elements; figure; http://bases.bireme.br/cgi-bin/wxislind.exe/iah/online/?isisscript=iah/iah.xis&src=google&base=lilacs&lang=p&nextaction=lnk&exprsearch=756802&indexsearch=id; pollution; port; sample; sampling; tree", "summary": "Accepted: July 4, 2018 Published: August 23, 2018 Keywords: 1. air pollution 2. Introduction It is estimated that air pollution-related diseases killed seven million people in 2012 worldwide, and air pollution it is known to be the single largest environmental risk today1.", "mime": "application/pdf"}, {"id": "ecletica-269", "words": "5168", "extension": ".pdf", "flesch": "54", "author": "Stieven, Ana Carla; Moreira, Jane de Jesus da Silveira; Silva, Cristina Ferraz", "title": "\u00d3leos essenciais de uvaia (Eugenia pyriformis Cambess): avalia\u00e7\u00e3o das atividades microbiana e antioxidante", "date": "2009", "keywords": "antioxidante; atividade; casca; com; como; compostos; das; dos; essencial; extratos; fen\u00f3licos; foi; foram; fra\u00e7\u00f5es; nas; n\u00e3o; para; por; que; s\u00e3o; uvaia; \u00f3leo", "summary": "www.scielo.br/eq Volume 34, n\u00famero 3, 2009 7 \u00d3leos essenciais de uvaia (Eugenia pyriformis Cambess): avalia\u00e7\u00e3o das atividades microbiana e antioxidante A. C. Stieven1*, J. J. S. Moreira2, C. F. Silva2 1Departamento de Qu\u00edmica - Faculdade Assis Gurgacz \u2013 FAG \u2013 CEP 85806-095 \u2013 Cascavel \u2013 PR \u2013 Brasil 2Universidade Federal do Sergipe \u2013 UFS \u2013 CEP 49095-790 \u2013 Aracaju \u2013 SE \u2013 Brasil *anastieven@yahoo.com.br Resumo: A gera\u00e7\u00e3o de radicais livres, resultado dos processos metab\u00f3licos necess\u00e1rios para a produ\u00e7\u00e3o de energia, causam um grande n\u00famero de doen\u00e7as, o que aumenta o interesse pelos compostos antioxidantes presentes em frutos e vegetais e que s\u00e3o respons\u00e1veis pela captura destes radicais. Os \u00f3leos essenciais de esp\u00e9cies de Myrta- ceae caracterizam-se pela presen\u00e7a de compostos terp\u00eanicos com comprovada atividade microbio- l\u00f3gica.", "mime": "application/pdf"}, {"id": "ecletica-270", "words": "3991", "extension": ".pdf", "flesch": "59", "author": "Oliveira, Thiago Mielle Brito Ferreira; Di Souza, Luiz; de Castro, Suely Souza Leal", "title": "Din\u00e2mica da s\u00e9rie nitrogenada nas \u00e1guas da bacia hidrogr\u00e1fica Apodi/Mossor\u00f3 - RN - Brasil", "date": "2009", "keywords": "apodi; bacia; com; dos; hidrogr\u00e1fica; meio; mossor\u00f3; nh3; no3; para; pontos; por; que; qu\u00edm; rio; s\u00e3o; uma", "summary": "[23], uma vez que o meio oscila entre o levemente \u00e1cido e o alcalino. Este ponto est\u00e1 situado ao lado de um anel vi\u00e1rio da BR 304, que d\u00e1 acesso ao per\u00edmetro urbano de Mossor\u00f3, onde o fluxo de autom\u00f3veis, caminh\u00f5es de carga e motocicletas \u00e9 constante e, conseq\u00fcentemente, a emiss\u00e3o de CO2 \u00e9 significativa.", "mime": "application/pdf"}, {"id": "ecletica-271", "words": "2103", "extension": ".pdf", "flesch": "67", "author": "Behmadi, Hossein; Saadati, Seyed Mahdi; Roshani, Mina; Ghaemy, Mousa", "title": "Synthesis of new disulfonamides from different substituted diamino pyridines", "date": "2009", "keywords": "chem; reaction; sulfonamides", "summary": "Reed, A. Alvarez- Hernandez, J. H. McKerrow, E. Hansell, J. C. Engel, Bioorg. [3] (a) W. R. Roush, S. L. Gwaltney, J. Cheng, K. A. Scheidt, J. H. McKerrow, E. Hansell, J. Am.", "mime": "application/pdf"}, {"id": "ecletica-272", "words": "2845", "extension": ".pdf", "flesch": "57", "author": "Panero, Francisco dos Santos; Vieira, Maria de F\u00e1tima Pereira; Cruz, \u00c2ngela Maria Paiva; de Moura, Maria de F\u00e1tima Vit\u00f3ria; da Silva, Henrique Eduardo Bezerra", "title": "Aplica\u00e7\u00e3o da an\u00e1lise explorat\u00f3ria de dados na discrimina\u00e7\u00e3o geogr\u00e1fica do quiabo do Rio Grande do Norte e Pernambuco", "date": "2009", "keywords": "amostras; an\u00e1lise; dados; das; dos; grande; hca; munic\u00edpio; norte; para; pca; pernambuco; quiabo; rio; s\u00e3o", "summary": "Isso ocorreu devido aos maiores teores de Fe e Cu em rela\u00e7\u00e3o aos munic\u00edpios do estado RN. Possui alto valor nutritivo, medici- nal e comercial, tem um ciclo vegetativo r\u00e1pido, de f\u00e1cil cultivo e de alta rentabilidade3.", "mime": "application/pdf"}, {"id": "ecletica-273", "words": "3940", "extension": ".pdf", "flesch": "57", "author": "de Sousa, Rog\u00e9rio Adelino; Cavalheiro, \u00c9der Tadeu Gomes", "title": "Determina\u00e7\u00e3o de minoxidil em formula\u00e7\u00f5es farmac\u00eauticas usando permanganometria", "date": "2009", "keywords": "amostras; com; como; determina\u00e7\u00e3o; kmno4; l-1; minoxidil; mol; m\u00e9todo; para; permanganato; que; s\u00e3o; \u00e1cido", "summary": "Entretan- to, concentra\u00e7\u00f5es significativamente diferentes de 1,00 X 10-2 mol L-1 de minoxidil e 2,00 X 10-2 mol L-1 de permanganato de pot\u00e1ssio, tamb\u00e9m provoca- ram a forma\u00e7\u00e3o de MnO2. Normalmente se utilizam concentra\u00e7\u00f5es de KMnO4 da ordem de 2 X 10-2 mol L-1 e Na2C2O4 da ordem de 1 X 10-2 mol L-1, sob agita\u00e7\u00e3o rigorosa.", "mime": "application/pdf"}, {"id": "ecletica-274", "words": "2325", "extension": ".pdf", "flesch": "66", "author": "Guimar\u00e3es, Ivanilce Cristina; da Silva, Jos\u00e9 Alberto Fracassi; de Jesus, Dosil Pereira", "title": "Comparison of potassium and sodium content in diet and non-diet soft drinks by using capillary electrophoresis with capacitively coupled contactless conductivity detection", "date": "2009", "keywords": "diet; drinks; l-1; sodium", "summary": "The low calo- ries in diet soft drinks are attained by adding of a combination of artificial sweeteners (cyclamate, saccharine, acesulfame, and aspartame) instead of carbohydrates, such as glucose and sucrose [3]. However some of these sweeteners are usually added as sodium salts (cyclamate and sacchari- ne) what makes diet soft drinks richer in sodium than ordinary soft drinks.", "mime": "application/pdf"}, {"id": "ecletica-275", "words": "8806", "extension": ".pdf", "flesch": "61", "author": "Watanabe, Ailton Massaiti; dos Santos, Adriano; Bueno, Paulo Roberto", "title": "Oscilador harm\u00f4nico e analogia eletromec\u00e2nica: um experimento interdisciplinar para medi\u00e7\u00f5es de varia\u00e7\u00e3o de massa de alta precis\u00e3o", "date": "2009", "keywords": "bloco; capacitor; circuito; com; como; corrente; cristal; energia; entre; equa\u00e7\u00e3o; figura; forma; frequ\u00eancia; massa; mola; oscilador; oscila\u00e7\u00e3o; para; paulo; pela; pode; por; potencial; quando; quartzo; que; seja; ser; sistema; s\u00e3o; uma", "summary": "A solu\u00e7\u00e3o geral para a equa\u00e7\u00e3o diferencial mostrada na Equa\u00e7\u00e3o 9 \u00e9: ( )cosx X t\u03c9 \u03c6= + (10) Sendo X a amplitude do movimento, \u03c9 a frequ\u00eancia angular de oscila\u00e7\u00e3o e \u03c6 a constante de fase (valor dependente do deslocamento e da velocidade do bloco em t = 0). Depois de lavado, o cristal \u00e9 inserido nos contatos met\u00e1li- cos.", "mime": "application/pdf"}, {"id": "ecletica-276", "words": "2663", "extension": ".pdf", "flesch": "65", "author": "de Oliveira, Marcelo Firmino; Alves, Jacqueline Querino; de Andrade, Jos\u00e9 Fernando; Saczk, Adelir Aparecida; Okumura, Leonardo Luiz", "title": "An\u00e1lise do teor de coca\u00edna em amostras apreendidas pela pol\u00edcia utilizando-se a t\u00e9cnica de cromatografia liquida de alta efici\u00eancia com detector UV-Vis", "date": "2009", "keywords": "amostras; an\u00e1lise; coca\u00edna; com; como; crack; das; foi; para; paulo; por; ppm; s\u00e3o; uma", "summary": "Esta metodologia foi aplicada na dosagem de amostras confiscadas de coca\u00edna e crack no Laborat\u00f3rio de Pol\u00edcia Cient\u00edfica de Ribeir\u00e3o Preto-SP. Neste sen- tido, este trabalho visa investigar a aplicabilidade da t\u00e9cnica de CLAE com detector UV-Vis na an\u00e1- lise de rotina de coca\u00edna em amostras de coca\u00edna e crack apreendidas pela pol\u00edcia.", "mime": "application/pdf"}, {"id": "ecletica-277", "words": "6513", "extension": ".pdf", "flesch": "58", "author": "Magri, Reinaldo; Fertonani, Fernando Luis; Pastre, I\u00eada Aparecida", "title": "Comportamento fotof\u00edsico do antraceno em sistemas micro-heterog\u00eaneos argila-surfactantes-\u00edons met\u00e1licos", "date": "2009", "keywords": "antraceno; argila; aumento; concentra\u00e7\u00e3o; ctacl; dos; figura; fluoresc\u00eancia; l-1; mol; para; sds; surfactante", "summary": "Para os sistemas contendo argila em sus- pens\u00e3o, Figura 7 b, sistema antraceno-argila- M(II), verifica-se comportamento semelhante ao observado para a Figura 7 a, por\u00e9m, a supress\u00e3o da fluoresc\u00eancia da banda (II) ocorre com maior intensidade. A modifica\u00e7\u00e3o na ordem de efici\u00eancia na supress\u00e3o da fluoresc\u00eancia da banda (II) est\u00e1, pro- vavelmente, relacionada ao efeito hidrof\u00f3bico que favorece a intera\u00e7\u00e3o antraceno-argila.", "mime": "application/pdf"}, {"id": "ecletica-278", "words": "2036", "extension": ".pdf", "flesch": "68", "author": "de Almeida, Rafael Ramirez; Schnitzler, Egon; Bannach, Gilbert; Lacerda, Luis Gustavo; Cavalheiro, \u00c9der Tadeu Gomes; Carvalho Filho, Marco Aur\u00e9lio da Silva; Ionashiro, Massao", "title": "Thermal stability and thermal decomposition of sucralose", "date": "2009", "keywords": "curves; decomposition; dsc; dta; sucralose", "summary": "Simultaneous thermogravimetry and differential thermal analysis (TG-DTA), differential scanning calorimetry (DSC) and infrared spectroscopy, have been used to study the thermal stability and thermal decomposition of sweetener. www.scielo.br/eq Volume 34, n\u00famero 4, 2009 21 Thermal stability and thermal decomposition of sucralose.", "mime": "application/pdf"}, {"id": "ecletica-279", "words": "3854", "extension": ".pdf", "flesch": "57", "author": "Fraga, Luciano Evangelista; Zanoni, Maria Valnice Boldrin", "title": "Degrada\u00e7\u00e3o fotoeletrocatal\u00edtica do corante azul b\u00e1sico 41 usando semicondutor nanoporoso de Ti/TiO2", "date": "2009", "keywords": "b\u00e1sico; corante; corrente; degrada\u00e7\u00e3o; figura; fotoeletrocat\u00e1lise; l-1; mol; para; sob; s\u00e3o; tempo; tio2", "summary": "10 20 30 40 50 60 70 80 0 10 20 30 40 50 60 E fic i\u00ea nc ia d e co rre nt e, % Tempo de fotoeletrocat\u00e1lise Figura 5 - Efici\u00eancia de corrente em fun\u00e7\u00e3o do tempo de fotoeletrocat\u00e1lise (20, 40 e 60 minutos) sob aplica- \u00e7\u00e3o de densidade de corrente de 0,40 mA cm-2. 100% de degrada\u00e7\u00e3o foi obtida ap\u00f3s 60 min de tratamento de 8,33x10- 5 mol L-1 do corante em 0,1 mol L\u22121 Na2SO4, pH 2 sob densidade de corrente de 0,40 mA cm\u22122 e irradia\u00e7\u00e3o UV.", "mime": "application/pdf"}, {"id": "ecletica-28", "words": "2687", "extension": ".pdf", "flesch": "55", "author": "Gutierrez, Hernan Cortez; Filho, Elso Drigo; Ruggiero, Jos\u00e9 Roberto; Gutierrez, Milton Cortez", "title": "Mobile breathers in a Nonlinear model for DNA breathing", "date": "2017", "keywords": "breather; center; dna; energy; mobile; model; morse; potential", "summary": "We used the Peyrard-Bishop-Dauxois mathematical model and the MATLAB software for studying the DNA dynamic using Morse potential, Symmetric Morse and the \u201chump\u201d potential for simulating the interactions which arise the pile up. Evolution of the center of energy considering two types of Morse potentials with the parameters: N=251, K=0.13 and the position of the inhomogeneity n0=26 for the Morse potential.", "mime": "application/pdf"}, {"id": "ecletica-280", "words": "4287", "extension": ".pdf", "flesch": "61", "author": "Nascimento, Ulisses Magalh\u00e3es; Vasconcelos, Antonio Carlos Sales; Azevedo, Eduardo Bessa; Silva, Fernando Carvalho", "title": "Otimiza\u00e7\u00e3o da produ\u00e7\u00e3o de biodiesel a partir de \u00f3leo de coco baba\u00e7u com aquecimento por microondas", "date": "2009", "keywords": "baba\u00e7u; biodiesel; coco; com; foi; forno; koh; microondas; modelo; para; partir; por; produ\u00e7\u00e3o; que; qu\u00edm; s\u00e3o; tabela; tempo; \u00f3leo", "summary": "98,31 Metodologia de Superf\u00edcie de Resposta O M\u00e9todo da Superf\u00edcie de Resposta (MSR) \u00e9 uma t\u00e9cnica estat\u00edstica muito \u00fatil para a mode- lagem e a an\u00e1lise de problemas nos quais as respostas s\u00e3o influenciadas por v\u00e1rias vari\u00e1veis e que o objetivo \u00e9 a otimiza\u00e7\u00e3o da resposta Metodologia de Superf\u00edcie de Resposta O M\u00e9todo da Superf\u00edcie de Resposta (MSR) \u00e9 uma t\u00e9cnica estat\u00edstica muito \u00fatil para a modelagem e a an\u00e1lise de problemas nos quais as respostas s\u00e3o influenciadas por v\u00e1rias vari\u00e1veis e que o objetivo \u00e9 a otimiza\u00e7\u00e3o da resposta", "mime": "application/pdf"}, {"id": "ecletica-281", "words": "6221", "extension": ".pdf", "flesch": "58", "author": "Ulusoy, Halil \u0130brahim; G\u00fcrkan, Ramazan", "title": "A novel indicator reaction for the catalytic determination of V(V) at ppb levels by the kinetic spectrophotometric method", "date": "2009", "keywords": "acid; concentration; determination; effect; l-1; method; mol; ponceau; reaction; ssa; time; v(v; vanadium; water", "summary": "Several researchers have reported the use of catalytic reaction for the determination of V(IV), since V(IV) is a very good catalyst for the oxidation of various organic dyes in the presence or absence of activators Effect of SSA concentration The use of properly selected activators for catalytic reactions offers an improvement in both the sensitivity and the selectivity [23].", "mime": "application/pdf"}, {"id": "ecletica-283", "words": "6328", "extension": ".pdf", "flesch": "64", "author": "Vinay, Kanakapura Basavaiah; Revanasiddappa, Hosakere Doddarevanna; Mysore, Divya Ranganath; Rajendraprasad, Nagaraju", "title": "Spectrophotometric determination of ofloxacin in pharmaceuticals and human urine", "date": "2009", "keywords": "absorbance; complex; iron(iii; method; ofx; results; solution; table; urine", "summary": "\u00d7 104 and 2.51 \u00d7 103 L mol-1cm-1 for method A, method B and method C, respectively. Standard drug solutions of 25 \u00b5g mL-1 each in 0.1 M HCl and 0.1 N NaOH for method A, and method B, respectively, and 200 \u00b5g mL-1 in 0.01 M H2SO4 for method C were prepared by dissol- ving the calculated quantities of pure OFX in the specified solvents.", "mime": "application/pdf"}, {"id": "ecletica-284", "words": "4712", "extension": ".pdf", "flesch": "57", "author": "Schiavetto, Mateus Geraldo; Bertholdo, Roberto; Ribeiro, Sidney Jos\u00e9 Lima; Messaddeq, Younes", "title": "S\u00edntese e caracteriza\u00e7\u00e3o de esferas monodispersas de l\u00e1tex e sua utiliza\u00e7\u00e3o no preparo de filmes de cristais coloidais tridimensionais", "date": "2009", "keywords": "com; como; das; difra\u00e7\u00e3o; dos; empacotamento; entre; esferas; figura; filmes; foi; foram; l\u00e1tex; para; part\u00edculas; por; que; sendo; ser; uma", "summary": "Esferas de L\u00e1tex Part\u00edculas esf\u00e9ricas monodispersas de l\u00e1- tex podem ser preparadas atrav\u00e9s de uma rea\u00e7\u00e3o de polimeriza\u00e7\u00e3o em emuls\u00e3o, onde os principais componentes para este processo s\u00e3o o mon\u00f4mero, um meio de dispers\u00e3o (usualmente a \u00e1gua), um agente emulsificante (surfactante) e um iniciador sol\u00favel no solvente. Material e M\u00e9todos S\u00edntese das esferas de l\u00e1tex Part\u00edculas esf\u00e9ricas monodispersas de l\u00e1tex foram preparadas atrav\u00e9s de uma rea\u00e7\u00e3o de poli- meriza\u00e7\u00e3o em emuls\u00e3o, livre de surfactante [8,19].", "mime": "application/pdf"}, {"id": "ecletica-285", "words": "5980", "extension": ".pdf", "flesch": "58", "author": "Leite, Sergio Roberto de Andrade", "title": "Inhibitors of human collagenase, MMP1", "date": "2009", "keywords": "area; bond; collagenase; effect; energy; enzyme; human; inhibitors; ligand; meloxicam; oxicans; piroxicam; structure; tenoxicam; zinc", "summary": "Table 1 - Relation among bond energy, nature of the hydrogen bonds (HB) between the ligands and Zn en- vironment of MMP-1, and intensity of inhibition of enzyme activity. Table 2 - Surface area of human collagenase and oxicans, and ratio between the half of ligand surface area and the area of the enzyme.", "mime": "application/pdf"}, {"id": "ecletica-286", "words": "3910", "extension": ".pdf", "flesch": "67", "author": "Ferenc, Wieslawa; Bernat, Maria; Sarzy\u0144ski, Jan; Paszkowska, Barbara", "title": "The physico-chemical properties of 4-chlorophenoxyacetates of Mn(II), Co(II), Ni(II) and Cu(II)", "date": "2008", "keywords": "chem; chlorophenoxyacetates; co(ii; complexes; compounds; mn(ii; ni(ii; range; spectra; water", "summary": "[47]M. Hvastijova, M. Kochout, J. Mrozinski, and J. J\u00e4ger, Polish J. Chem. [34]W. D. Courier, C. J. L. Lock, and G. Turner, Can. J. Chem., 50 (1972) 1797.", "mime": "application/pdf"}, {"id": "ecletica-287", "words": "3322", "extension": ".pdf", "flesch": "64", "author": "Tang, Zhen-Xing; Shi, Lu-E", "title": "Preparation of nano-MgO using ultrasonic method and its characteristics", "date": "2008", "keywords": "calcinations; mgo; min; nano; rate; size; temperature; time", "summary": "So the process that small size crystal turn into big size crystal will happen automatically. The surface area to volume ratio (S/V) and the specific surface area of a sys- tem are inversely proportional to particle size.", "mime": "application/pdf"}, {"id": "ecletica-288", "words": "2490", "extension": ".pdf", "flesch": "73", "author": "Ibrahim, Medhat; ElHaes, Hanan; Hameed, Ali Jameel; Essa, Ali Hashem", "title": "Spectroscopic analysis of C80 doping with group III and group V elements using semiempirical PM3 molecular modelling technique", "date": "2008", "keywords": "c79; c80; chem; fullerenes; group", "summary": "Qu\u00edm., S\u00e3o Paulo, 33(1): 21-27, 2008 www.scielo.br/eq www.ecletica.iq.unesp.br Volume 33, n\u00famero 1, 2008 Spectroscopic analysis of C80 doping with group III and group V elements using semiempirical PM3 molecular modelling technique Medhat Ibrahim1* , Hanan ElHaes2, Ali Jameel Hameed3, Ali Hashem Essa3 1Spectroscopy Department, National Research Centre, Dokki, Cairo, Egypt 2physics Department, Faculty of Women for Arts, Science, and Education, Ain Shams University, Cairo, Egypt 3Chemistry Department, College of Science, University of Basrah, Basrah, Iraq *medahmed6@yahoo.com The assignment of C80 spectrum is aided by the program; by com- paring the coordinates of each vibrational mode with that of the coordinates corresponding to the energy minimum.", "mime": "application/pdf"}, {"id": "ecletica-289", "words": "1978", "extension": ".pdf", "flesch": "65", "author": "Parihar, Malkhan Singh; Khan, Farid", "title": "Stability constants and thermodynamic parameters of cadmium complexes with sulfonamides and cephapirin", "date": "2008", "keywords": "cephapirin; complexes; stability; sulfonamide", "summary": "The nature of current - voltage curve of Cd2+ complexes with sulfonamide and cephapirin was also reversible and diffusion controlled. Polarograms of [Cd \u2013 Sulfadiazine \u2013 Cephapirin] System, [Cephapirin] = 0.025M etamide \u2013 cephapirin] and [Cd \u2013 sulfanilamide \u2013 cephapirin] complexes respectively.", "mime": "application/pdf"}, {"id": "ecletica-29", "words": "2029", "extension": ".pdf", "flesch": "61", "author": "Guti\u00e9rrez, Hern\u00e1n Cortez; Filho, Elso Drigo; Ruggiero, Jos\u00e9 Roberto; Gutierrez, Milton Cortez; Rivera, Liv Cortez Fuentes", "title": "Thermodynamics of DNA with \u201chump\u201d Morse potential", "date": "2016", "keywords": "dna; equation; model; morse; potential", "summary": "[5] J. Cuevas, Moving breathers in DNA model with competing short and longe-range dispersive interactions, Physica D, 2002, 163, 106-126. The Morse Potential (PB model), \uf05b \uf05d21)exp( 2 )( \uf02d\uf02d\uf03d au D uV , (6) was solved in 32 .", "mime": "application/pdf"}, {"id": "ecletica-291", "words": "4190", "extension": ".pdf", "flesch": "55", "author": "do Nascimento, Alexandre Rodrigues; Ziolli, Roberta Lour\u00ean\u00e7o; Araruna J\u00fanior, Jos\u00e9 Tavares; Pires, Carolina de Souza; Silva, Tania Maria de Brito", "title": "Avalia\u00e7\u00e3o do desempenho anal\u00edtico do m\u00e9todo de determina\u00e7\u00e3o de TPH (Total Petroleum Hydrocarbon) por detec\u00e7\u00e3o no infravermelho", "date": "2008", "keywords": "com; como; concentra\u00e7\u00e3o; detec\u00e7\u00e3o; determina\u00e7\u00e3o; faixa; foi; l-1; limite; m\u00e9todo; padr\u00e3o; para; por; que; ser; tph; trabalho; uma", "summary": "Para a valida\u00e7\u00e3o de um m\u00e9todo anal\u00edtico, \u00e9 normalmente suficiente fornecer uma indica\u00e7\u00e3o do n\u00edvel em que a detec\u00e7\u00e3o do analito come\u00e7a a ficar problem\u00e1tica, ou seja, \u201cbranco + 3s\u201d e \u201c0 + 3s\u201c, considerando an\u00e1lise de sete ou mais amostras de branco e de brancos com adi\u00e7\u00e3o, respectivamente Uma quantidade de 5,0 g da amostra homogeneizada foi pesada em balan\u00e7a anal\u00edtica e extra\u00edda com 30 mL de tetracloroetileno (PCE), dentro de erlenmeyer com tampa de vidro, uti- lizando um agitador orbital a 160 rpm, por 4 horas, a temperatura ambiente.", "mime": "application/pdf"}, {"id": "ecletica-292", "words": "2274", "extension": ".pdf", "flesch": "74", "author": "Locatelli, Jos\u00e9 Roberto; de Siqueira, Adriano Buzutti; de Carvalho, Cl\u00e1udio Teodoro; Ionashiro, Massao", "title": "Thermal decomposition of solid state compounds of lanthanide and yttrium benzoates in CO2 atmosphere", "date": "2008", "keywords": "compounds; decomposition; thermal", "summary": "Keywords: lanthanides; benzoate; thermal decomposition; CO2 atmosphere. Qu\u00edm., S\u00e3o Paulo, 33(1): 43-48, 2008 www.scielo.br/eq www.ecletica.iq.unesp.br Volume 33, n\u00famero 1, 2008 Thermal decomposition of solid state compounds of lanthanide and yttrium benzoates in CO2 atmosphere J. R. Locatelli1, A. B. Siqueira2, C. T. Carvalho2, M. Ionashiro2* 1Academia da For\u00e7a A\u00e9rea, AFA.", "mime": "application/pdf"}, {"id": "ecletica-293", "words": "2790", "extension": ".pdf", "flesch": "62", "author": "Amorim Filho, Volnei Resta; Franzini, Vanessa Pezza; Gomes Neto, Jos\u00e9 Anchieta", "title": "Exploring potentialities of the HR-CS FAAS technique in the determination of Ni and Pb in mineral waters", "date": "2008", "keywords": "faas; l-1; line; number; pixels", "summary": "The influence of the nature of atomic line (main and secondary), the summation of absorbance at these lines and the variation of number of pixels on sensitivity, accu- racy and precision was studied. Explorando potencialidades da t\u00e9cnica HR-CS FAAS na determina\u00e7\u00e3o de Ni e Pb em \u00e1gua mineral.", "mime": "application/pdf"}, {"id": "ecletica-294", "words": "3310", "extension": ".pdf", "flesch": "66", "author": "Uliana, Carolina Venturini; Riccardi, Carla dos Santos; Yamanaka, Hideko", "title": "Estudo do comportamento eletroqu\u00edmico da enzima peroxidase na presen\u00e7a de per\u00f3xido de hidrog\u00eanio e \u00e1cido 5-aminossalic\u00edlico", "date": "2008", "keywords": "asa; corrente; enzima; foi; h2o2; hrp; l-1; mol; para; solu\u00e7\u00e3o", "summary": "Resultados e discuss\u00e3o Comportamento eletroanal\u00edtico do 5-ASA na pre- sen\u00e7a de H2O2 e da HRP. Foi obser- vada a cat\u00e1lise da rea\u00e7\u00e3o de oxida\u00e7\u00e3o do per\u00f3xido de hidrog\u00eanio na presen\u00e7a da enzima HRP e do mediador 5-ASA.", "mime": "application/pdf"}, {"id": "ecletica-295", "words": "3286", "extension": ".pdf", "flesch": "59", "author": "da Silva, Ricardo Alexandre Galdino; Magdalena, Aroldo Geraldo; Carvalho, Thaisa Mary", "title": "Rea\u00e7\u00e3o de precipita\u00e7\u00e3o de Ag na liga Cu-8%Al-6%Ag", "date": "2008", "keywords": "com; dos; figura; liga; microdureza; para; prata; precipita\u00e7\u00e3o; que; rea\u00e7\u00e3o; temperatura", "summary": "Isto fornece caracter\u00edsticas interessantes ao sistema, as quais dependem da concentra\u00e7\u00e3o de Al e Ag e sua intera\u00e7\u00e3o na liga. A figura 1-a mostra a curva de DSC obtida com 64 Ecl. Qu\u00edm., S\u00e3o Paulo, 33(1): 63-70, 2008 Figura 1. (a) Curva DSC e (b) gr\u00e1fico de varia\u00e7\u00e3o da microdureza em fun\u00e7\u00e3o da temperatura de t\u00eampera ambos obtidos para a amostra Cu-8%Al-6%Ag inicial- mente submetida a recozimento prolongado.", "mime": "application/pdf"}, {"id": "ecletica-296", "words": "2451", "extension": ".pdf", "flesch": "70", "author": "Essa, Ali Hashem; Jalbout, Abraham F.", "title": "Analysis of the structural and electronic properties of 1-(5-Hydroxymethyl-4\u2013[5\u2013(5-oxo-5-piperidin-1-yl-penta-1,3dienyl)-benzo[1,3]dioxol-2-yl]-tetrahydro-furan-2-yl)-5-methyl-1H-pyrimidine-2,4dione molecule", "date": "2008", "keywords": "ahe; am1; azt; cm-1; dft; molecule", "summary": "[16] V. E. Marquez, A. Ezzitouni, P. Russ, M. A. Siddiqui, H. Ford, R. J. Feldman, H. Mitsuya, C. George, and J. J. Barchi, J. Am. The resultant dipole moment of the AHE molecule is about 2.6 and 2.3 Debyes by AM1 and DFT methods respec- tively, This property of AHE makes it an active molecule with its environment, that is AHE molecule may interacts with its environment strongly in solution.", "mime": "application/pdf"}, {"id": "ecletica-297", "words": "2911", "extension": ".pdf", "flesch": "61", "author": "Ferenc, Wieslawa; Czapla, Katarzyna; Sarzy\u0144ski, Jan; Zwolinska, Anna", "title": "Comparison of some properties of 2,3- and 3,4-dimethoxybenzoates of Cu(II), Co(II) and Nd(III)", "date": "2008", "keywords": "3,4dimethoxybenzoates; co(ii; complexes; compounds; nd(iii; values", "summary": "From the comparison of the magnetic sus- ceptibility and magnetic moment values for these two analysed series of dimethoxybenzoates of Cu(II), Co(II) and Nd(III) Qu\u00edm., S\u00e3o Paulo, 33(2): 7-12, 2008 www.scielo.br/eq www.ecletica.iq.unesp.br Volume 33, n\u00famero 2, 2008 Comparison of some properties of 2,3 \u2013 and 3,4 \u2013 dimethoxybenzoates of Cu(II), Co(II) and Nd(III) aW. Ferenc*, a K. Czapla, bJ. Sarzynski , and aA. Zwolinska aFaculty of Chemistry, Maria Curie-Sklodowska University, Pl 20-031 Lublin, Poland bInstitute of Physics, Maria Curie-Sklodowska University, Pl 20-031 Lublin, Poland * wetafer@hermes.umcs.lublin.pl", "mime": "application/pdf"}, {"id": "ecletica-298", "words": "3417", "extension": ".pdf", "flesch": "71", "author": "Li, Xin-Hua; Jalbout, Abraham F.; Xiang, Wei Dong", "title": "Self-assembly of supermolecular species directed by hydrogen bonding and aromatic \u03c0\u2013\u03c0 stacking interactions", "date": "2008", "keywords": "atoms; bonds; chem; complex; hydrogen; interactions; stacking; structure", "summary": "X-ray crystallographic studies reveal that this complex has extended 1-D,2-D and 3-D supramolecular architectures directed by weak interactions (hydrogen bond and aromatic \u03c0-\u03c0 stacking interaction) leading to a sandwich solid-state structure. Four DMF mole- cules link to the unit through hydrogen bonds.", "mime": "application/pdf"}, {"id": "ecletica-299", "words": "4088", "extension": ".pdf", "flesch": "65", "author": "Basavaiah, Kanakapura; Devi, Okram Zenita", "title": "Cerimetric determination of simvastatin in pharmaceuticals based on redox and complex formation reactions", "date": "2008", "keywords": "absorbance; acid; cerium; concentration; iron; method; smt; sulphate", "summary": "Qu\u00edm., S\u00e3o Paulo, 33(2): 21-28, 2008 in method A or decreasing absorbance in method B as a function of SMT concentration. In both methods, the amount of cerium (IV) reacted corresponds to SMT concentration.", "mime": "application/pdf"}, {"id": "ecletica-300", "words": "3003", "extension": ".pdf", "flesch": "71", "author": "Khan, Farid; Khanam, Afroza", "title": "Study of complexes of cadmium with some L-amino acids and vitamin-C by voltammetric technique", "date": "2008", "keywords": "complexes; stability; values; vitamin", "summary": "The metal ion and ligands were taken in the ratio 1:30 in binary complexes and 1:30:30 in case of ternary complexes and polaro- grams were taken at different pH values, it has been observed that the maximum shift of E1/2 was obtained at pH range 7.10-8.50 but pH 7.30 was selected for studying the complexes in human blood pH. All the waves of the complexes were reversible and diffusion controlled as clear from the plots between Ed.e.vs. [16] D. R. Crow, Polarography of metal complexes, Academic press, London, 1969.", "mime": "application/pdf"}, {"id": "ecletica-301", "words": "1964", "extension": ".pdf", "flesch": "58", "author": "Manjunatha, Hadagali D.; Shaikh, Sarfaraj Mohd Takhi; Harikrishna, Kasalanti; Sudhirkumar, Ramanaboyina; Kandagal, Pradeep Basavaraj; Seetharamappa, Jaldappa", "title": "Simple and sensitive spectrophotometric methods for the determination of acebutolol hydrochloride in bulk sample and pharmaceutical preparations", "date": "2008", "keywords": "abh; btb; determination; methods; pharmaceutical; table", "summary": "[9] G.M. Hanna, F.E. Evans, J Pharm Biomed Anal., 24 (2000) 189. [14] A.P. Argekar, S.G. Powar, J Pharm Biomed Anal., 21 (2000) 1137.", "mime": "application/pdf"}, {"id": "ecletica-302", "words": "2561", "extension": ".pdf", "flesch": "59", "author": "Pasha, Chand; Narayana, Badiadka", "title": "A simple method for the spectrophotometric determination of cephalosporins in pharmaceuticals using variamine blue", "date": "2008", "keywords": "cefadroxil; cefotaxime; ceftriaxone; cephalexin; determination; ml\u20131", "summary": "Cefotaxime, ceftriaxone, cefadroxil, and cephalexin stock solutions (1000 \u00b5g mL\u20131) were prepared by dissolving standard sodium cefotaxime (Alkem Lab. Ltd. Mumbai) or sodium ceftriaxone (Aristo Pharmaceuticals Ltd. Mumbai) or standard cefadroxil (Alkem Lab. Ltd. Mumbai) or standard cephalexin (Ranbaxy, India) in water. The key intermediate for semisynthetic production of a large number of cephalosporins is 7-aminocephalosporanic acid, which is formed by hydrolysis of cephalosporin C produced by fermentation", "mime": "application/pdf"}, {"id": "ecletica-303", "words": "4030", "extension": ".pdf", "flesch": "62", "author": "Fatibello-Filho, Orlando; Vieira, Heberth Juliano", "title": "Spectrophotometric flow injection procedure to indirect determination of paracetamol in pharmaceutical formulations using o-tolidine as reagent", "date": "2008", "keywords": "anal; flow; injection; l-1; mol; paracetamol; procedure; signal; solution", "summary": "PP: peristaltic pump; L: sample loop (400 \u00b5L); C: carrier (H2O; 2.2 mL min-1); R1: 9.4x10-5 mol L-1 hypochlorite solution (0.9 mL min- 1); R2: 9.8x10-5 mol L-1 o-tolidine solution (1.6 mL min-1); I: injector-commutator (80 cm; 400 \u00b5L); RC1 and RC2: reaction coil (75 cm, both); D: spec- trophotometer (\u03bb = 430 nm); X and Y: confluence point and W: waste. Qu\u00edm., S\u00e3o Paulo, 33(2): 47-54, 2008 www.scielo.br/eq www.ecletica.iq.unesp.br Volume 33, n\u00famero 2, 2008 Spectrophotometric flow injection procedure to indirect determination of paracetamol in pharmaceutical formulations using o-tolidine as reagent O. Fatibello-Filho*, H. J. Vieira Departamento de Qu\u00edmica, Centro de Ci\u00eancias Exatas e de Tecnologia Universidade Federal de S\u00e3o Carlos, S\u00e3o Carlos, Brasil.", "mime": "application/pdf"}, {"id": "ecletica-304", "words": "2920", "extension": ".pdf", "flesch": "56", "author": "Sant'Anna, Sabrina S\u00e1; de Souza, Denilson Arlindo; Carvalho, Corn\u00e9lio de Freitas; Yoshida, Maria Irene", "title": "Morphological and thermal analyses of flexible polyurethane foams containing commercial calcium carbonate", "date": "2008", "keywords": "caco3; calcium; calcium carbonate; carbonate; filler; foams; mass", "summary": "Nevertheless, an increase in the dimensional stability was observed with an increase in calcium carbonate concentration. Ant\u00f4nio Carlos, 6627 \u2013 Pampulha, 31270-90, Belo Horizonte \u2013 MG. 2Department of Chemistry, UFOP, Campus Universit\u00e1rio \u2013 Morro do Cruzeiro, 35400-000 Ouro Preto \u2013 MG. *mirene@ufmg.br Abstract: One filler often utilized in flexible polyurethane foams is calcium carbonate (CaCO3) because it is non-abrasiveness, non-toxicity and facilitated pigmentation.", "mime": "application/pdf"}, {"id": "ecletica-305", "words": "6405", "extension": ".pdf", "flesch": "51", "author": "Al-Yusufy, Fatma A.; Al-Qadasy, Mohammed Q.; Jamil, Yasmin M. S.; Al-Maydama, Hussein M.; Akeel, Moathe M.", "title": "A comparative study of Schiff base chelating resins: synthesis, uptake of heavy metal ions, and thermal studies", "date": "2018", "keywords": "cd2 +; chelating; hg2 +; ions; metal; metal ions; rciaa73; rciaa91; resin; schiff; uptake", "summary": "[9] Urbano, B. F., Rivas, B. L., Sorption properties of chelating polymer\u2013clay nano\u2010composite resin based on iminodiacetic acid and montmorillonite: water absorbency, metal ion uptake, selectivity, and kinetics, J. Chem. Introduction The removal and separation of metal ions in aqueous solution play an important role for the analysis of wastewaters, industrial and geological samples as well as for environmental remediation1, 2.", "mime": "application/pdf"}, {"id": "ecletica-306", "words": "3397", "extension": ".pdf", "flesch": "69", "author": "Shabany, M.; Shabani, Ali Mohammad Haji; Dadfarnia, Shayessteh; Gorji, Alireza; Ahmadi, Seyyed Hamid", "title": "Solid phase extraction of zinc with octadecyl silica membrane disks modified by N,N\u2019-disalicylidene-1,2-phenylendiamine and determination by flame atomic absorption spectrometry", "date": "2008", "keywords": "anal; disk; extraction; ions; membrane; zinc", "summary": "Keywords: zinc; solid phase extraction; octadecyl silica membrane disk; flame atomic absorption spec- trometry. [Mn+/Zn2+] (%) Na+ 1000 99.8 K+ 1000 100.0 Ca2+ 1000 99.6 Mg2+ 1000 98.5 Sr2+ 1000 97.6 Ba2+ 1000 100.0 Pb2+ 800 99.2 Cd2+ 500 99.3 Fe2+ 400 99.1 Mn2+ 300 99.9 Ni2+ 250 97.4 Cu2+ 200 98.2 Ag+ 200 98.7 Co2+ 40 97.8 EQ09-AF 26/6/08 11:49 Page 64 Conclusions The proposed solid phase extraction pro- cedure based on octadecyl silica membrane disks modified with salophen is a convenient, accurate and precise technique for the determination of zinc by flame atomic absorption spectrometry.", "mime": "application/pdf"}, {"id": "ecletica-307", "words": "3428", "extension": ".pdf", "flesch": "61", "author": "Vila, Marta Maria Duarte Carvalho; Salom\u00e3o, Acacia Adriana; Tubino, Matthieu", "title": "Flow injection analysis of vancomycin", "date": "2008", "keywords": "copper; flow; l-1; method; mol; solution; vancomycin", "summary": "A1 = flow of water; A2 = flow of water; R = introduction of the copper (II) solution 3.0\u00d710-2 mol L-1; S = introduction of vancomycin solution 1.0\u00d710-2 mol L-1; Flow rate A1 = flow rate A2; B = peristaltic pump; W = waste; RI = reagent injection loop; SI = sample injection loop; V = sampling valve [4,5]; M = mixer with stirring; L = reaction bobbin (50 cm); E = spectrophotometer; RE = chart recorder. was observed an enough high analytical signal with none interference from the excess of cop- per (II) acetate. The calibration curve was obtained using vancomycin hydrochloride solutions from 1.0\u00d710-3 mol L-1 to 5.0\u00d710-3 mol L-1.", "mime": "application/pdf"}, {"id": "ecletica-308", "words": "3566", "extension": ".pdf", "flesch": "62", "author": "Gotardo, Mara Andr\u00e9ia; Lima, Liliane Spazzapam; Sequinel, Rodrigo; Rufino, Jos\u00e9 Luiz; Pezza, Leonardo; Pezza, Helena Redigolo", "title": "A simple spectrophotometric method for the determination of methyldopa using p-chloranil in the presence of Hydrogen Peroxide", "date": "2008", "keywords": "anal; chloranil; determination; h2o2; l-1; method; methyldopa; mol; reaction; solution", "summary": "[14] A. Afkhami, H.A. Khatami, J. Anal. Experimental Apparatus The absorbance measurements for the pro- posed method and for the standard method were performed using a portable UV/VIS spectropho- tometer (USB 4000 model \u2013 Ocean Optics); with wavelength range work 200 \u2013 850 nm and equipped with a cell of 10 mm path length.", "mime": "application/pdf"}, {"id": "ecletica-311", "words": "2852", "extension": ".pdf", "flesch": "54", "author": "Borges, Renata Coura; Marques, Let\u00edcia Mombrini; Mahler, Cl\u00e1udio Fernando; Bernedo, Alfredo Victor Bellido", "title": "Determination of the concentration of Ce, La, Sm and Eu in a phosphogypsum stack, in Imbituba city, Santa Catarina, Brazil", "date": "2018", "keywords": "concentration; earth; elements; phosphogypsum; samples; stack; values", "summary": "Furthermore, few samples of phosphogypsum collected in the second and third depth of the stack 1 showed the maximum concentration for La. It was observed that La, Eu and Sm underwent little variation with depth, and Ce, in some points, presented a great variation; this is because REE in phosphogypsum samples were associated to the formation of carbonates, fluorides, sulfates and phosphates of these elements8. In order to determine levels of rare- earth elements in phosphogypsum stacks, located in Imbituba, Brazil, samples of 2000 grams of phosphogypsum were collected in nine different points in stack 1.", "mime": "application/pdf"}, {"id": "ecletica-314", "words": "2301", "extension": ".pdf", "flesch": "64", "author": "Beninca, Cleoci; Demiate, Ivo Mottin; Lacerda, Luiz Gustavo; Carvalho Filho, Marco Aur\u00e9lio da Silva; Ionashiro, Massao; Schnitzler, Egon", "title": "Thermal behavior of corn starch granules modified by acid treatment at 30 and 50\u00b0C", "date": "2008", "keywords": "acid; corn; curves; dta; starch", "summary": "Dehydration Decompositions Sample \u2206T1(\u00b0C) \u2206m1 (%) peak (\u00b0C) \u2206T2 (\u00b0C) \u2206m2 (%) Peak (\u00b0C) \u2206T3 (\u00b0C) \u2206m3 (%) Peak (\u00b0C) Untreated starch (a) 30 \u2013 116 12,8 96 305 \u2013 342 63,8 310, 330 342 \u2013 553 23,3 400 Acid modified at 30\u00b0C (b) 30 \u2013 115 13,5 95 295 \u2013 341 63,0 330 341 \u2013 564 23,4 390 Acid modified at 50\u00b0C (c) 30 \u2013 115 12,7 93 293 \u2013 344 62,0 330 344 \u2013 570 25,3 390 larger for untreated corn starch (\u2206H = 19.92 J g-1), followed by acid modified starch at 30\u00b0C (\u2206H = 15.99 J g-1) and by acid modified starch at 50 oC (\u2206H = 13.41 J g-1). Qu\u00edm., S\u00e3o Paulo, 33(3): 13-18, 2008 www.scielo.br/eq www.ecletica.iq.unesp.br Volume 33, n\u00famero 3, 2008 Thermal behavior of corn starch granules modified by acid treatment at 30 and 50\u00b0C C. Beninca1, I. M. Demiate1, L. G. Lacerda2, M. A. S. Carvalho Filho3, M. Ionashiro4 and E. Schnitzler1* 1Universidade Estadual de Ponta Grossa \u2013 UEPG.", "mime": "application/pdf"}, {"id": "ecletica-315", "words": "2454", "extension": ".pdf", "flesch": "69", "author": "Jalbout, Abraham F.", "title": "Effect of triplet encapsulated atoms in [60] fullerenes: a theoretical analysis", "date": "2008", "keywords": "atoms; case; fullerene; species", "summary": "Our primary motivation is the amelioration of the chemical nature of these structures to improve polar molecule interactions Keywords: Fullerene; Polar molecule interactions; Density functional theory (DFT); Absorption. EQ03-AF 21/8/14 5:54 Page 19 Table 1.", "mime": "application/pdf"}, {"id": "ecletica-316", "words": "3558", "extension": ".pdf", "flesch": "55", "author": "Pereira, Simone de F\u00e1tima Pinheiro; Ferreira, Sergio Luis Costa; Oliveira, Geiso Rafael; Palheta, Dulcid\u00e9ia da Concei\u00e7ao; Barros, Bruno de C\u00e1ssio", "title": "Spectrophotometric determination of arsenic in soil samples using 2-(5-bromo-2-pyridylazo)-5-di-ethylaminophenol (Br-PADAP)", "date": "2008", "keywords": "arsenic; determination; edta; iii; iron; padap; samples; soil; solution", "summary": "This current paper describes a simple, rapid and accurate method applied for arsenic determination in soil samples using Br- PADAP as a chromogenic reagent. In this paper, a new, simple and sensitive method for arsenic determination in soil is pro- posed.", "mime": "application/pdf"}, {"id": "ecletica-317", "words": "5766", "extension": ".pdf", "flesch": "64", "author": "Al-Maydama, Hussein; Al-Ansi, Tajedin Yahya; Jamil, Yasmin M. S.; Ali, A. H.", "title": "Biheterocyclic ligands: synthesis, characterization and coordinating properties of bis(4-amino-5-mercapto-1,2,4-triazol-3-yl) alkanes with transition metal ions and their thermokinetic and biological studies", "date": "2008", "keywords": "bat2; bat3; cm-1; co(ii; complexes; decomposition; ligands; magnetic; metal; table", "summary": "Apart from the above-mentioned lig- ands and complexes, the remaining ligands and metal complexes exhibit moderate to high anti- bacterial activity. [9-12] Based on spectral and thermal studies, a coordination number of seven was proposed for niobium(V) complexes with biheterocyclic lig- and", "mime": "application/pdf"}, {"id": "ecletica-318", "words": "2136", "extension": ".pdf", "flesch": "62", "author": "Hermann, Alessandro; da Silva, Lucinei Stechmann; Peixoto, Carlos Roberto de Menezes; de Oliveira, Adriano Bof; Bordinh\u00e3o, Jairo; H\u00f6rner, Manfredo", "title": "Electrochemical properties of Cu4[PhN3C6H4N3(H)Ph]4(\u03bc-O)2, a tetranuclear Copper(II) complex with 1-phenyltriazenido-2-phenyltriazene-benzene as ligand", "date": "2008", "keywords": "complex; cu4l4; electrode; l-1", "summary": "[7] M. H\u00f6rner, G. M. Oliveira, J. S. Oliveira, W. M. Teles, C. A. L. Filgueiras, J. Beck, J. Organomet. Received June 02 2008 Accepted August 14 2008 A. Hermann, L. S. Silva, C. R. M. Peixoto, A. B. de Oliveira, J. Bordinh\u00e3o e M. H\u00f6rner.", "mime": "application/pdf"}, {"id": "ecletica-319", "words": "2497", "extension": ".pdf", "flesch": "63", "author": "Revanasiddappa, Hosakere Doddarevanna; Veena, M. A.", "title": "Highly sensitive spectrophotometric methods for the determination of olanzapine", "date": "2008", "keywords": "concentration; icl; mol; olz", "summary": "The decrease in absorbance corresponding to consumed Ce(IV) and in turn, to OLZ concentration was obtained by subtracting the absorbance of OLZ solution from that of the blank. This formed the basis of OLZ determination in method A. When TB is iodinated completely with ICl, the absorbance at 536 nm decreases and reaches a minimum value.", "mime": "application/pdf"}, {"id": "ecletica-32", "words": "2778", "extension": ".pdf", "flesch": "47", "author": "dos Santos, Sandro Luiz Barbosa; Barbosa, Bruna Kaicy; de Lima, Camila; Macedo, Alice Lopes; Mendon\u00e7a, Jacqueline Nakau; Glososki, Giuliano Cesar; Lopes, Norberto Peporine; Klein, Stanlei Ivair", "title": "Sunflower oil methanolisys and glycerol ketalisation: stepwise production of biofuels and additives with 3-methylimidazolium hydrogensulphate as catalyst", "date": "2016", "keywords": "biodiesel; catalyst; glycerol; mixture; oil", "summary": "Keywords: sunflower oil, transesterification, ketal production, glycerol, ionic liquid, biodiesel additive 1 Department of Pharmacy, Universidade Federal dos Vales do Jequitinhonha e Mucuri, UFVJM, R. da Gl\u00f3ria, 187 Centro, CEP 39100-000 Diamantina, MG, Brazil; e - mail: sandro.barbosa@ufvjm.edu; brunakaicy@hotmail.com; camila_dianalima@yahoo.com.br; alicelopesm@hotmail.com; 2 Department of Physics and Chemistry, Faculdade de Ci\u00eancias Farmac\u00eauticas de Ribeir\u00e3o Preto, Universidade de S\u00e3o Paulo, Av. These qualities prompted us to use the easily prepared Br\u00f6nsted acidic 3- methylimidazolium hydrogensulfate as catalyst for a) the transesterification of sunflower oil, and b) the ketalisation of glycerol with acetone, two reactions which suffer from the poor solubility of triglycerides in methanol, and glycerol in acetone.", "mime": "application/pdf"}, {"id": "ecletica-320", "words": "3685", "extension": ".pdf", "flesch": "60", "author": "da Silva, Maria do Socorro Sousa; de Lima, Sidney Gon\u00e7alo; de Oliveira, Evaldo Hip\u00f3lito; Lopes, Jos\u00e9 Arimateia Dantas; Chaves, Mariana Helena; Reis, Francisco de Assis Machado; Cit\u00f3, Ant\u00f4nia Maria das Gra\u00e7as Lopes", "title": "Anacardic acid derivatives from Brazilian propolis and their antibacterial activity", "date": "2008", "keywords": "acid; chem; fraction; nmr; propolis", "summary": "[7] V. S. Bankova, A Diulgerov., S. S. S. Popov, , L. Evstatieva, L. Kuleva, O. Pureb, Z Zamjasan, Apidologie, 23 (1992) 79. [10] M. S. S. Silva, A. M. G. L. Cit\u00f3, M. H. Chaves, J. A. D. Lopes, Qu\u00edm.", "mime": "application/pdf"}, {"id": "ecletica-321", "words": "3370", "extension": ".pdf", "flesch": "70", "author": "Khan, Farid", "title": "Polarographic study and electrode kinetics of [Zn(II) \u2013 antibiotics \u2013 cephaloglycin] system vis a vis kinetics of electrode reactions", "date": "2008", "keywords": "cephaloglycin; complexes; doxycycline; l-1; system; values", "summary": "Ligands log \u03b201 log \u03b202 log \u03b210 log \u03b220 log \u03b230 log \u03b211 log \u03b212 log \u03b221 Doxycycline - - 3.31 4.90 7.21 4.31 7.48 7.78 Chlortetracycline - - 4.40 7.61 9.50 - 7.81 9.68 Oxytetracycline - - 4.50 7.81 9.86 4.72 8.10 9.87 Tetracycline - - 4.80 8.01 9.91 5.10 8.31 - Minocycline - - 4.85 8.13 9.98 5.24 8.43 10.00 Amoxicillin - - 4.88 - 10.01 5.48 8.49 10.13 Chloramphenicol - - 4.70 8.21 10.13 - 8.60 10.31 Cephaloglycin 2.14 3.22 - - - - - - Figure 2. ligands were taken in the ratio of 1: 40 in case of binary complexes and 1:40:40 in case of ternary complexes and current \u2013 voltage curves were drawn at pH 7.10 \u2013 8.80; it has been observed that the maximum shift of E1/2 was observed at pH 7.20 to 8.50 but pH = 7.30 \u00b1 0.01 was selected on account of studying the complexes in human blood pH", "mime": "application/pdf"}, {"id": "ecletica-322", "words": "4527", "extension": ".pdf", "flesch": "64", "author": "Vivas-Reyes, Ricardo; Arias, Andersson", "title": "Evaluation of group electronegativities and hardness (softness) of group 14 elements and containing functional groups through density functional theory and correlation with NMR spectra data", "date": "2008", "keywords": "atoms; chemical; compounds; electronegativity; group; hardness; shifts; softness; table; values", "summary": "Qu\u00edm., S\u00e3o Paulo, 33(3): 69-76, 2008 www.scielo.br/eq www.ecletica.iq.unesp.br Volume 33, n\u00famero 3, 2008 Evaluation of group electronegativities and hardness (soft- ness) of group 14 elements and containing functional groups through density functional theory and correlation with NMR spectra data R. Vivas-Reyes*, A. Aria Grupo de Qu\u00edmica Cu\u00e1ntica y Computacional, Universidad de Cartagena, Facultad de Ciencias Naturales y Exactas, Programa de Qu\u00edmica, Cartagena-Colombia *rvivasr@unicartagena.edu.co Abstract: Quantum Chemical calculations for group 14 elements of Periodic Table (C, Si, Ge, Sn, Pb) and their functional groups have been carried out using Density Functional Theory (DFT) based reac- tivity descriptors such as group electronegativities, hardness and softness. In spite of computational advances and the availability of large number of experimental data [13,14], no many theoretical studies have been reported for group electronegativities, hardness and softness on molecules that contain atoms of the fourth group", "mime": "application/pdf"}, {"id": "ecletica-323", "words": "3481", "extension": ".pdf", "flesch": "61", "author": "Gotardo, Mara Andr\u00e9a; Sequinel, Rodrigo; Pezza, Leonardo; Pezza, Helena Redigolo", "title": "Determination of atenolol in pharmaceutical formulations by diffuse reflectance spectroscopy", "date": "2008", "keywords": "atenolol; chloranil; l-1; method; mol; reflectance", "summary": "[41] E. A. Ibrahim, A. S. Issa, M. A. A. Salam, and M. S. Mahrous, Talanta, 30 (1983) 531. [39] M. A. Korany, A. A. M. Wahbi, Analyst, 104 (1979) 146.", "mime": "application/pdf"}, {"id": "ecletica-324", "words": "3369", "extension": ".pdf", "flesch": "45", "author": "Vieira, Daniele Frasson; Furquim, Nicolas Henrique; Botero, Wander Gustavo; de Oliveira, Luciana Camargo; Goveia, Danielle", "title": "INFLUENCE OF THE DIAMETER OF NANOPARTICLES IN COMPLEXES METAL-AQUATIC HUMIC SUBSTANCES", "date": "2018", "keywords": "concentration; free; humic; ions; ludox; matter; metal; nanoparticles; sha", "summary": "Total metal concentration in the Jur\u00e9ia River in natura and concentration of free metal. Free metal ions are more toxic than complexed or adsorbed ions to some substance or surface of particles.", "mime": "application/pdf"}, {"id": "ecletica-325", "words": "7263", "extension": ".pdf", "flesch": "64", "author": "Namba, Adriana Mieco; da Silva, Vin\u00edcius Barreto; da Silva, Carlos Henrique Tomich de Paula", "title": "Din\u00e2mica molecular: teoria e aplica\u00e7\u00f5es em planejamento de f\u00e1rmacos", "date": "2008", "keywords": "chem; com; como; das; dos; energia; entre; enzima; equa\u00e7\u00e3o; foram; for\u00e7a; intera\u00e7\u00f5es; liga\u00e7\u00e3o; molecular; para; phys; potencial; que; simula\u00e7\u00e3o; simula\u00e7\u00f5es; sistema; solvata\u00e7\u00e3o; s\u00e3o; uma; van", "summary": "Os gr\u00e1ficos da energia potencial e do desvio m\u00e9dio quadr\u00e1tico (RMSD) em fun\u00e7\u00e3o do tempo de simula\u00e7\u00e3o de cada sistema evidenciaram uma alta estabilidade de todos os sis- temas em \u00e1gua, a 300K. Atrav\u00e9s das simula\u00e7\u00f5es de DM associadas aos estudos de docking, os autores conseguiram propor os modos de liga\u00e7\u00e3o do inibidor EBR28 com o dom\u00ednio central na forma monom\u00e9rica e dim\u00e9rica, identificando as regi\u00f5es \u2018chave\u2019 de intera\u00e7\u00e3o das prote\u00ednas. Condi\u00e7\u00f5es peri\u00f3dicas de contorno, raio de corte de 0,8 nm e cutoff de 1,2 nm para todas as intera\u00e7\u00f5es n\u00e3o-ligadas foram empregadas em cada simula\u00e7\u00e3o.", "mime": "application/pdf"}, {"id": "ecletica-326", "words": "3596", "extension": ".pdf", "flesch": "59", "author": "Bianchin, Joyce Nunes; Mior, Renata; Martendal, Edmar; Carletto, Jeferson Schneider; Carasek, Eduardo", "title": "Otimiza\u00e7\u00e3o multivariada e aplica\u00e7\u00e3o do sorvente SiO2-Nb2O5 para determina\u00e7\u00e3o em linha de Ni(II) em matriz aquosa", "date": "2008", "keywords": "aas; amostra; coluna; com; concentra\u00e7\u00e3o; doehlert; eluente; foi; foram; l-1; matriz; mini; ni(ii; para; por; que; sistema; s\u00e3o; uma; vari\u00e1veis", "summary": "Os resultados de ambas as matrizes Doehlert s\u00e3o concordantes, pois foi obtido, na matriz Doehlert 1 (pH versus concentra\u00e7\u00e3o do eluente) um sinal m\u00e1ximo da absorv\u00e2ncia integrada de 0,72 e concentra\u00e7\u00e3o do eluente 0,80 molL-1, sendo que na matriz Doehlert 2 (concen- tra\u00e7\u00e3o do eluente versus vaz\u00e3o do eluente) o sinal m\u00e1ximo de absorv\u00e2ncia integrada foi de 0,74 e a concentra\u00e7\u00e3o do eluente 0,85 mol L-1. A f\u00e1cil adapta\u00e7\u00e3o de mini-colunas para pr\u00e9- concentra\u00e7\u00e3o em sistema em fluxo, o uso de pequenas quantidades de eluente e a disponibili- dade de v\u00e1rios sorventes s\u00e3o vantagens impor- tantes desta t\u00e9cnica [6].", "mime": "application/pdf"}, {"id": "ecletica-327", "words": "3874", "extension": ".pdf", "flesch": "58", "author": "Baena, Yolima; Barbosa, Helber; Mart\u00ednez, Fleming", "title": "Thermodynamic quantities of solvation and dilution for some acetanilide derivatives in octanol and water mutually saturated", "date": "2008", "keywords": "drugs; mol\u20131; solvation; solvent; table; water", "summary": "Thermodynamic quantities for drugs solvation processes in the aqueous and organic media at 25.0 \u00b0C obtained by considering the solubility behavior. Thermodynamic quantities for drugs solution processes in the aqueous and organic media at 25.0 \u00b0C (a).", "mime": "application/pdf"}, {"id": "ecletica-328", "words": "3325", "extension": ".pdf", "flesch": "64", "author": "Siddappa, Kuruba; Mallikarjun, Metre; Reddy, Tukaram; Tambe, Mahesh", "title": "Spectrophotometric determination of metronidazole through Schiff\u2019s base system using vanillin and PDAB reagents in pharmaceutical preparations", "date": "2008", "keywords": "method; metronidazole; pdab; solution; vanillin", "summary": "The proposed reactions involved in formation of colored Schiff\u2019s bases in acidic medium. measured at 422 and 494 nm., it was found that 2.0 mL of 4% vanillin solution for method A and 0.5 mL of 3% PDAB for method B was optimal for the formation of color with maximum intensi- ty. Qu\u00edm., S\u00e3o Paulo, 33(4): 41-46, 2008 nm for method A and 494 nm for method B.", "mime": "application/pdf"}, {"id": "ecletica-329", "words": "2934", "extension": ".pdf", "flesch": "52", "author": "Leite, S\u00e9rgio Roberto de Andrade", "title": "Inhibitors of Clostridium histolyticum colagenase", "date": "2018", "keywords": "activity; collagenase; effect; energy; enzyme; histolyticum; interaction; piroxicam", "summary": "Tenoxicam and Meloxicam bond to Arg929 too and each one to a second rele- vant group for enzyme activity: Tyr931 with Tenoxicam and Thr957 with Meloxicam. C. histolyticum collagenase (type IA) was obtained from Sigma, St. Louis, MO, USA.", "mime": "application/pdf"}, {"id": "ecletica-33", "words": "5126", "extension": ".pdf", "flesch": "42", "author": "Santos, Ana Laura Ara\u00fajo; Arena, Fabiana Antonia; Benedetti, Assis Vicente; Bevilaqua, Denise", "title": "Effect of redox potential on chalcopyrite dissolution imposed by addition of ferrous ions", "date": "2017", "keywords": "chalcopyrite; conditions; copper; dissolution; ferrous; ions; leaching; mol; potential; redox", "summary": "In abiotic conditions ferrous ions concentration was maintained stable until the end of experiment due to the absence of an agent in solution capable of oxidizing ferrous ions in the same rate as the bacterium At. ferrooxidans. Changes in ferrous ions concentration on chalcopyrite leaching using different concentrations of ferrous ions in absence (open symbols) and presence (solid symbols) of bacteria.", "mime": "application/pdf"}, {"id": "ecletica-330", "words": "4923", "extension": ".pdf", "flesch": "57", "author": "Coutinho, Isabel Duarte; Coelho, Roberta Gomes; Kataoba, Vanessa Mayumi Fukuy; Honda, Neli Kika; da Silva, Jos\u00e9 Ricardo Marconato; Vilegas, Wagner; Cardoso, Claudia Andr\u00e9a Lima", "title": "Determination of phenolic compounds and evaluation of antioxidant capacity of Campomanesia adamantium leaves", "date": "2008", "keywords": "acid; activity; adamantium; antioxidant; cai; compounds; leaves; phenolic; samples; scavenging", "summary": "[22] A. T. Mata, C. Proen\u00e7a, A. R. Ferreira, M. L. M. Serralheiro, J. M. F. Nogueira, M. E. M. Ara\u00fajo, Food Chemistry 103 (2007) 778. Keywords: Campomanesia adamantium; Chalcones; Flavanones; Antioxidant activity.. prostate cancer [2].", "mime": "application/pdf"}, {"id": "ecletica-331", "words": "3594", "extension": ".pdf", "flesch": "62", "author": "de Carvalho, Cl\u00e1udio Teodoro; de Siqueira, Adriano Buzutti; Ionashiro, Elias Yuki; Pivatto, Marcos; Ionashiro, Massao", "title": "Synthesis and characterization of solid 2-methoxycinnamylidenepyruvic acid", "date": "2008", "keywords": "dsc; h-6; hcp; meo; nmr; table", "summary": "[13] Frisch, M. J.; Trucks, G. W.; Schlegel, H. B.; Scuseria, G. E.; Robb, M. A.; Cheeseman, J. R.; Montgomery Jr., J. A.; Vreven, T.; Kudin, K. N.; Burant, J. C.; Millam, J. M.; Iyengar, S. S.; Tomasi, J.; Barone, V.; Mennucci, B.; Cossi, M.; Scalmani, G.; Rega, N.; Petersson, G. A.; Nakatsuji, H.; Hada, M.; Ehara, M.; Toyota, K.; Fukuda, R.; Hasegawa, J.; Ishida, M.; Nakajima, T.; Honda, Y.; Kitao, O.; Nakai, H.; Klene, M.; Li, X.; Knox, J. E.; Hratchian, H. P.; Cross, J. B.; Adamo, C.; Jaramillo, J.; Gomperts, R.; Stratmann, R. E.; Yazyev, O.; Austin, A. J.; Cammi, R.; Pomelli, C.; Ochterski, J. W.; Ayala, P. Y.; Morokuma, K.; Voth, G. A.; Salvador, P.; Dannenberg, J. J.; Zakrzewski, V. G.; Dapprich, S.; Daniels, A. D.; Strain, M. C.; Farkas, O.; Malick, D. K.; Rabuck, A. D.; Raghavachari, K.; Foresman, J. B.; Ortiz, J. V.; Cui, Q.; Baboul, A. G.; Clifford, S.; Cioslowski, J.; Stefanov, B. B.; Liu, G.; Liashenko, A.; Piskorz, P.; Komaromi, I.; Martin, R. L.; Fox, D. J.; Keith, T.; Al-Laham, M. A.; Peng, C. Y.; Nanayakkara, A.; Challacombe, M.; Gill, P. M. W.; Johnson, B.; Chen, W.; Wong, M. W.; Gonzalez, C.; Pople, J. A. Gaussian 03, Revision B.04, Gaussian, Inc., Pittsburgh PA, 2003. [16] Dennington II, R.; Keith, T. J. M.; Eppinnett, K.; Hovell, W. L.; Gilliland, R. Semichem, Inc., Shawnee Mission, KS, 2003.", "mime": "application/pdf"}, {"id": "ecletica-332", "words": "4928", "extension": ".pdf", "flesch": "61", "author": "Cristale, Joyce; Silva, Flavio Soares; de Marchi, Mary Rosa Rodrigues", "title": "Desenvolvimento e aplica\u00e7\u00e3o de m\u00e9todo GC-MS/MS para an\u00e1lise simult\u00e2nea de 17 HPAs em material particulado atmosf\u00e9rico", "date": "2008", "keywords": "an\u00e1lise; atmosf\u00e9rico; cada; foi; foram; hpas; material; min; modo; m\u00e9todo; n.d; para; particulado; por; que; scan; s\u00e3o; uma; \u00edon", "summary": "O m\u00e9todo MS/MS desen- volvido para an\u00e1lise de 17 HPAs apresentou limi- tes de detec\u00e7\u00e3o e de quantifica\u00e7\u00e3o cerca de 5 vezes inferiores que os encontrados para as mes- mas mol\u00e9culas analisadas no modo SCAN, nas mesmas condi\u00e7\u00f5es cromatogr\u00e1ficas. *joycecristale@iq.unesp.br Resumo: Os hidrocarbonetos polic\u00edclicos arom\u00e1ticos (HPAs) est\u00e3o associados ao aumento da incid\u00ean- cia de diversos tipos de c\u00e2nceres no homem.", "mime": "application/pdf"}, {"id": "ecletica-333", "words": "2524", "extension": ".pdf", "flesch": "58", "author": "Bariccatti, Reinaldo Aparecido; da Silva, Cristiana; Souza, Marcelo Alves; Lindino, Cleber Antonio; da Rosa, Mauricio Ferreira", "title": "Degrada\u00e7\u00e3o hidrol\u00edtica e fotoqu\u00edmica da amoxicilina na presen\u00e7a de \u03b2-ciclodextrina", "date": "2008", "keywords": "absorb\u00e2ncia; amoxicilina; ciclodextrina; com; figura; para; que; solu\u00e7\u00e3o; solu\u00e7\u00f5es; s\u00e3o; uma", "summary": "Para a regi\u00e3o de 225nm (Figura 5) obser- va-se um aumento na absorb\u00e2ncia nos primeiros 30 minutos de irradia\u00e7\u00e3o para em seguida ocorrer uma redu\u00e7\u00e3o cont\u00ednua da absorb\u00e2ncia desta regi\u00e3o, tanto na solu\u00e7\u00e3o de amoxicilina e amoxi- cilina/\u03b2-CD. A Figura 5 apresenta o efeito da radia\u00e7\u00e3o UV nas solu\u00e7\u00f5es de amoxicilina e amoxicilina/\u03b2- CD, dentre outras altera\u00e7\u00f5es, observa-se mudan\u00e7as na intensidade de absor\u00e7\u00e3o nas regi\u00f5es de 195 e 225 nm.", "mime": "application/pdf"}, {"id": "ecletica-334", "words": "4663", "extension": ".pdf", "flesch": "41", "author": "Costa, Karine Andr\u00e9a; Scheffer, Elizabeth Weinhardt Oliveira; Weinert, Patr\u00edcia Los; Silveira, Estevan Luis", "title": "EVALUATION OF THE QUALITY OF THE RIO VERDE WATER, PONTA GROSSA, PR: A STUDY ON THE CONDITIONS OF AQUATIC LIFE MAINTENANCE AND THE EUTROPHICATION PROCESS", "date": "2018", "keywords": "analysis; component; data; l-1; parameters; point; quality; river; samples; total; verde; water", "summary": "Therefore, aiming to help disseminate water quality data, indices can be employed, which represent the consolidation of information from different analyses2. [15] Ruzdjak, A. M., Ruzdjak, D., Evaluation of river water quality variations using multivariate statistical techniques: Sava River (Croatia): A Case Study, Environmental Monitoring and Assessment 187 (4) (2015) 1\u201314.", "mime": "application/pdf"}, {"id": "ecletica-335", "words": "4400", "extension": ".pdf", "flesch": "34", "author": "Cavallini, Nubya Gon\u00e7alves; Reis, Rorigo Arantes; Quadros, Juliana; Oliveira, Andrea; Naz\u00e1rio, Mariana Gallucci; Tiepolo, Liliani Marilia", "title": "Determination of Lead (Pb) in stools of Lontra longicaudis (Olfers, 1818) by flame atomic absorption spectrometry (FAAS)", "date": "2018", "keywords": "area; contamination; feces; influence; issn; kg-1; lead; longicaudis; qu\u00edmica; samples; table", "summary": "Thus, the use of biological samples from the bioindicator species allowed not only to carry out the quantitative determinations of Pb contamination from the productive activities of the local port sector, but also to explain the understanding of the complexity and inseparability of environmental impacts for long periods in the disorganized and indiscriminate use and exploitation of natural property in common use. However, the determination of lead in feces of Lontra longicaudis by flame atomic absorption spectrometry (F AAS) was adequate to determine concentrations of metal ions in biological samples of the bioindicator species.", "mime": "application/pdf"}, {"id": "ecletica-337", "words": "4463", "extension": ".pdf", "flesch": "35", "author": "Costa, Rafael Oliveira; Barcellos, Polyana Soares; Canela, Maria Cristina Cristina", "title": "Removal of pesticide residues after conventional drinking water treatment: byproducts and acetylcholinesterase inhibition", "date": "2018", "keywords": "acetylcholinesterase; ametryn; atrazine; chlorination; chlorpyrifos; filtration; pesticides; removal; treatment; water", "summary": "[29] Li, W., Wu, R., Duan, J., Saint, C. P., Van Leeuwen, J., Impact of prechlorination on organophosphorus pesticides during drinking water treatment: Removal and transformation to toxic oxon byproducts, Water Res. 105 (2016) Therefore, these were the parameters used in the pesticide removal test in the simulation of conventional water treatment.", "mime": "application/pdf"}, {"id": "ecletica-340", "words": "3644", "extension": ".pdf", "flesch": "46", "author": "Finger, Leandro; Quitaiski, Poliana Paula; Mees, Juliana Bortoli Rodrigues; Costa Junior, Ismael Laurindo", "title": "Degradation of red 5B and reactive blue 5G dyes in synthetic textile dye effluent by photo-fenton process", "date": "2018", "keywords": "blue; discoloration; dye; h2o2; l-1; red", "summary": "Response surface for discoloration efficiency red 4B dye by a) Fe2+ (mg L-1) and H2O2 (mg L-1); b) pH and H2O2 (mg L-1); c) Fe2+ (mg L-1) and pH. In the study of kinetics of dye discoloration, solutions were used with concentration of 100 mg L-1 for red 4B and 50 mg L-1 for blue 5G in 250 mL beakers.", "mime": "application/pdf"}, {"id": "ecletica-341", "words": "7270", "extension": ".pdf", "flesch": "30", "author": "Sodr\u00e9, Fernando Fabriz; Dutra, Priscila Mendon\u00e7a; dos Santos, Viviane Portela", "title": "Pharmaceuticals and personal care products as emerging micropollutants in Brazilian surface waters: a preliminary snapshot on environmental contamination and risks", "date": "2018", "keywords": "assessment; brazil; data; environ; pharmaceuticals; risk; surface; waters; work", "summary": "[19] Locatelli, M. A. F., Sodr\u00e9, F. F., Jardim, W. F., Determination of antibiotics in Brazilian surface waters using liquid chromatography- electrospray tandem mass spectrometry, Arch Environ. [58] Thomas, K. V, da Silva, F. M. A., Langford, K. H., de Souza, A. D. L., Nizzeto, L., Waichman, A. V., Screening for Selected Human Pharmaceuticals and Cocaine in the Urban Streams of Manaus, Amazonas, Brazil, J. Am.", "mime": "application/pdf"}, {"id": "ecletica-342", "words": "5758", "extension": ".pdf", "flesch": "44", "author": "Barbosa, Luane Patricia Guedes; de Freitas, T\u00e1cila Oliveira Pinto; Pereira, Madson de Godoi", "title": "Use of Vermicompost for the Removal of Toxic Metal Ions of Synthetic Aqueous Solutions and Real Aqueous Waste", "date": "2018", "keywords": "+ ions; cd2 +; concentrations; cu2 +; mn2; ni2 +; pb2 +; vermicompost; zn2 +", "summary": "Despite these results, the adsorption of Mn2+ ion was much more effective in the third experimental phase than in the first phase, and small increases in the mass of the sieved vermicompost using a 0.053 mm mesh would be sufficient to adjust Mn2+ concentrations to the limit of CONAMA10. The need for higher vermicompost masses was also observed in our investigation, but in a minor scale, since 10 g of vermicompost were sufficient to assure satisfactory adsorptions for the most investigated metallic cations.", "mime": "application/pdf"}, {"id": "ecletica-344", "words": "3730", "extension": ".pdf", "flesch": "28", "author": "Bindewald, Eduardo Henrique; Rosa-Sobrinho, Jo\u00e3o Carlos; Bergamini, M\u00e1rcio Fernando; Marcolino-J\u00fanior, Luiz Humberto", "title": "Simple, fast and inexpensive method for determination of ranitidine hydrochloride based on conductometric measurements", "date": "2018", "keywords": "concentration; determination; hcl; hydrochloride; l-1; method; pharmaceutical; ran; ranitidine; solution; titration", "summary": "Silver nitrate solutions were used in the titration of the same concentration of ranitidine solutions ranging from 0.10 to 1.0 x 10-3 mol L-1. Based on above-cited information, the present work describes a practical and accurate methodology for RAN hydrochloride determination based on conductometric titration of chloride ions using by AgNO3 as titrant in hydroalcoholic medium.", "mime": "application/pdf"}, {"id": "ecletica-348", "words": "3763", "extension": ".pdf", "flesch": "57", "author": "Basavaiah, Kanakapura; Somashekar, Bankavadi Chikkaswamy", "title": "Argentimetric assay of ranitidine in bulk drug and in dosage forms", "date": "2007", "keywords": "chloride; drug; iii; iron; method; nitrate; rnh; solution; thiocyanate", "summary": "Into a series of 10 mL standard flasks were transferred 0,0.25, 0.5, 1.0, \u2026\u20263.5 mL of 200 \u00b5g mL-1 of RNH solution by means of a microburette; 2 mL of mercury(II) thio- cyanate solution and 1 mL of iron (III) nitrate reagent were added and diluted to volume with water. Standard RNH solution.", "mime": "application/pdf"}, {"id": "ecletica-349", "words": "3609", "extension": ".pdf", "flesch": "61", "author": "Yassumoto, L\u00edzia; Osajima, Josy Anteveli; Takashima, Keito", "title": "Efeitos de oxidantes e sais inorg\u00e2nicos na degrada\u00e7\u00e3o fotocatal\u00edtica do herbicida imazetapir mediada por di\u00f3xido de tit\u00e2nio", "date": "2007", "keywords": "como; constante; degrada\u00e7\u00e3o; foi; herbicida; imazetapir; l-1; min-1; mol; para; por; presen\u00e7a; que; sulfato; tio2; velocidade; \u00edon", "summary": "H2PO4 - + h+ bv \u2192 H2PO4 \u2022 (12) H2PO4 - + \u2022OH \u2192 H2PO4 \u2022 + OH- (13) O fato de o pH das amostras irradiadas ter se mantido constante em 5,90, pode ser justificado tamb\u00e9m pela forma\u00e7\u00e3o do OH- conforme a equa\u00e7\u00e3o (eq. 13), enquanto que a diminui\u00e7\u00e3o da constante de velocidade foi atribu\u00edda \u00e0 rea\u00e7\u00e3o entre o \u00edon dihidrogenofosfato e a mol\u00e9cula de TiO2 pela pre- cipita\u00e7\u00e3o de dihidrogenofosfato de tit\u00e2nio conforme a eq. 14 IO4 - IO3 \u2022 + O\u2022- (6) O\u2022- + H+ = \u2022OH (7) \u2022OH + IO4 - \u2192 OH- + IO4 \u2022 (8) Por outro lado, quando se adicionou a con- centra\u00e7\u00e3o de periodato de s\u00f3dio de 3,0x10-4 a 1,0x10-3 mol L-1 na suspens\u00e3o de TiO2, (herbici- da/UV/IO4 -/TiO2), a constante de velocidade de fotodegrada\u00e7\u00e3o aumentou por cerca de 400 vezes para a primeira (5,60x10-1 min-1) e de 187 vezes (6,00x10-1 min-1) para a \u00faltima conforme pode ser observada na Fig.", "mime": "application/pdf"}, {"id": "ecletica-35", "words": "13220", "extension": ".pdf", "flesch": "52", "author": "Trovatti, Eliane; dos Santos, Aline Martins; Amaral, Andr\u00e9 Capaldo; Meneguin, Andr\u00e9ia Bagliotti; Matos, Bruna Driussi Mistro; Pacheco, Guilherme; de Carvalho, Renata Aquino; Lazarini, Silmara Cristina; Cardoso, Val\u00e9ria Maria de Oliveira; Lustri, Wilton Rog\u00e9rio; Barud, Hernane da Silva", "title": "Biopol\u00edmeros: aplica\u00e7\u00f5es farmac\u00eautica e biom\u00e9dica", "date": "2016", "keywords": "amido; aplica\u00e7\u00e3o; aplica\u00e7\u00f5es; applications; cadeias; carbohydr; celulose; como; das; de f\u00e1rmacos; de libera\u00e7\u00e3o; degrada\u00e7\u00e3o; delivery; devido; dos; drug; e o; ecl\u00e9tica; entre; estrutura; figura; forma; f\u00e1rmacos; gellan; journal; libera\u00e7\u00e3o; l\u00e1ctico; materiais; material; nas; para; pectina; pela; pode; polym; pol\u00edmeros; por; processo; properties; propriedades; que; quitosana; qu\u00edmica; release; ser; sistemas; sistemas de; starch; sua; suas; s\u00e3o; tamb\u00e9m; uma; vol; \u00e1cido", "summary": "Sistemas para carreamento e libera\u00e7\u00e3o de f\u00e1rmacos e materiais para substitui\u00e7\u00e3o permanente ou tempor\u00e1ria de tecidos injuriados s\u00e3o exemplos de aplica\u00e7\u00f5es crescentes na \u00e1rea biom\u00e9dica. Durante a s\u00edntese \u00e9 poss\u00edvel associar as vari\u00e1veis de tempo, temperatura e concentra\u00e7\u00e3o do catalisador o que permite controlar as propor\u00e7\u00f5es e as sequ\u00eancias de unidades de D- e L-l\u00e1ctico no pol\u00edmero final (Figura 17) 137 .", "mime": "application/pdf"}, {"id": "ecletica-350", "words": "4352", "extension": ".pdf", "flesch": "65", "author": "Igwe, Jude Chibuzo; Augustine, Augustina", "title": "Adsorption isotherm studies of Cd (II), Pb (II) and Zn (II) ions bioremediation from aqueous solution using unmodified and EDTA-modified maize cob", "date": "2007", "keywords": "adsorption; cob; concentration; figure; ions; isotherm; maize; metal; modified", "summary": "The amount of metal ions adsorbed increased as the ini- tial concentration increased. Batch Adsorption Experiment Equilibrium adsorption of Cd (II), Pd (ll) and Zn (ll) ions on the maize cob was carried out using 100ml of various concentrations (1000 mg L-1-2000 mg L-1) of metal ions at constant metal ions-substrate contact time (1 hour), at tempera- ture of 30 0C and pH of 7.5, 2 grams of the cob was put into 100ml of the metal ion solution of known concentration.", "mime": "application/pdf"}, {"id": "ecletica-351", "words": "3681", "extension": ".pdf", "flesch": "58", "author": "Ferreira, Roberta Borges; Franzini, Vanessa Pezza; Gomes Neto, Jos\u00e9 Anchieta", "title": "Determina\u00e7\u00e3o de biureto em ur\u00e9ia agroindustrial por espectrofotometria", "date": "2007", "keywords": "absor\u00e7\u00e3o; biureto; cobre; com; como; complexo; foi; foram; m\u00e9todo; para; por; que; solu\u00e7\u00e3o; uma", "summary": "A exatid\u00e3o do m\u00e9todo foi tamb\u00e9m avaliada por meio de testes de adi\u00e7\u00e3o e recupera\u00e7\u00e3o de padr\u00e3o. Influ\u00eancia do tempo de rea\u00e7\u00e3o na absorb\u00e2ncia A estrat\u00e9gia de adicionar Cu(OH)2 (s) como reagente requer a otimiza\u00e7\u00e3o da massa de hidr\u00f3xido de cobre e do tempo de rea\u00e7\u00e3o entre esse reagente e o analito.", "mime": "application/pdf"}, {"id": "ecletica-352", "words": "4118", "extension": ".pdf", "flesch": "63", "author": "Sanches, Sergio Marcos; de Campos, Sandro Xavier; Vieira, Eny Maria", "title": "Caracteriza\u00e7\u00e3o das fra\u00e7\u00f5es das subst\u00e2ncias h\u00famicas de diferentes tamanhos moleculares", "date": "2007", "keywords": "com; das; dos; foi; foram; fra\u00e7\u00e3o; fra\u00e7\u00f5es; kda; maior; molecular; para; por; que; radicais; raz\u00e3o; s\u00e3o; tamanho; uma", "summary": "Caracteriza\u00e7\u00e3o das fra\u00e7\u00f5es das SH Espectroscopia no infravermelho (IV) O espectr\u00f4metro de IV por transformada de Fourier utilizado foi o da marca Bomem MB- 102 do Instituto de Qu\u00edmica de S\u00e3o Carlos. As an\u00e1lises elementares foram realizadas no Instituto de Qu\u00edmica de S\u00e3o Carlos, utilizando- se o aparelho CE Instruments EA 1110 CHNS \u2013 O da marca Fisons, com detector de condutividade t\u00e9rmica.", "mime": "application/pdf"}, {"id": "ecletica-353", "words": "3957", "extension": ".pdf", "flesch": "56", "author": "Basavaiah, Kanakapura; Ramakrishna, Veeraiah; Anilkumar, Urdigere Rangachar; Somashekar, Bankavadi Chikkaswamy", "title": "Spectrophotometric determination of lansoprazole in pharmaceuticals using bromate-bromide mixture based on redox and complexation reactions", "date": "2007", "keywords": "acid; bromate; bromide; determination; lpz; method; water", "summary": "Spectrophotometric method B. Taking 5 \u00b5g mL-1 as the upper limit of iron (II) that could be determined by orthophenanthroline method, 350 \u00b5g of FAS was used in this method.", "mime": "application/pdf"}, {"id": "ecletica-354", "words": "2856", "extension": ".pdf", "flesch": "55", "author": "Vellosa, Jos\u00e9 Carlos Rebuglio; Maissar Khalil, Najeh; da Fonseca, Luiz Marcos; Brunetti, Iguatemy Louren\u00e7o; Oliveira, Olga Maria Mascarenhas de Faria", "title": "Does cotinine act upon reactive oxygen species and peroxidases?", "date": "2007", "keywords": "cotinine; h2o2; hrp; kinetics; mmol.l-1; mpo; nicotine; oxidation", "summary": "Oxidation of 1mmol.L-1 KI by 0.05 mmol.L-1 HOCl in presence and absence of cotinine, 1mmol.L-1 or 0.1 mmol.L-1, followed on 350 nm. HOCl and cotinine were incubated for one minute before KI was added. L-1 KI by HOCl 0.05 mmol.L-1 + Tau 0.2 mmol.L-1 in the presence and ab- sence of cotinine, 1 mmol.L-1 or 0.1 mmol.L-1, followed at 350 nm.", "mime": "application/pdf"}, {"id": "ecletica-355", "words": "3513", "extension": ".pdf", "flesch": "61", "author": "Prasad, Saradh; de Santana, Renato Alexandre Costa; Campos, Ana Regina Nascimento; Leite, Valderi Duarte", "title": "Potentiometric and conductometric studies on the system acid-isopolytungstate and the formation of lanthanum tungstates", "date": "2007", "keywords": "acid; formation; la(no3)3; lanthanum; paratungstate; solution; titrations; tungstate", "summary": "The interaction of lanthanum nitrate with sodium tungstate solutions, at specific pH levels 8.0, 5.9 and 4.0 was also studied by pH and conductometric titrations, in aqueous and alcoholic media, with each of the reagents alternatively used as titrant. The different lanthanum tungstates were precipitated by mixing stoichio- metric amounts of lanthanum nitrate solutions with sodium tungstate solutions at specific pH levels 8.0, 5.9 and 4.0.", "mime": "application/pdf"}, {"id": "ecletica-356", "words": "3314", "extension": ".pdf", "flesch": "60", "author": "Ribeiro, Joselito Nardy; Jorge, Renato At\u00edlio; da Silva, Andr\u00e9 Romero; Flores, Araceli Ver\u00f3nica; Ronchi, Ludmila Matos; Tedesco, Antonio Cl\u00e1udio", "title": "Avalia\u00e7\u00e3o da atividade fotodin\u00e2mica de porfirinas para uso em terapia fotodin\u00e2mica atrav\u00e9s da fotoxida\u00e7\u00e3o de triptofano", "date": "2007", "keywords": "com; das; fotossensibilizador; fotoxida\u00e7\u00e3o; oep; oxig\u00eanio; para; porfirinas; que; singlete; tmp; trp; vooep", "summary": "Os valores de kf foram menores na presen\u00e7a de azida de s\u00f3dio e maiores na presen\u00e7a de \u00e1gua deuterada, sugerindo que o oxig\u00eanio singlete \u00e9 o respons\u00e1vel pela atividade fotodin\u00e2mica de OEP, VOOEP e m-TMP. Os valores de kf/10-4s-1 para a fotoxida\u00e7\u00e3o de Trp demonstraram que OEP (2,80 \u00b1 0.05)", "mime": "application/pdf"}, {"id": "ecletica-357", "words": "1572", "extension": ".pdf", "flesch": "48", "author": "Moreno-Piraj\u00e1n, Juan Carlos; Garc\u00eda-Ubaque, C\u00e9sar Augusto; Fajardo, R.; Giraldo, Liliana; Sapag, Karim", "title": "Evaluation of the dioxin and furan formation thermodynamics in combustion processes of urban solid wastes", "date": "2007", "keywords": "availability; chlorine; formation; hydrogen", "summary": "The increase of hydrogen availability makes chlo- rine to be consumed as HCl and decreases furan and dioxin formation (chlorine in this case acts as a limit reactive substance). Figures 2a and 2b show that the presence of hydrogen with low chlorine availability leads to the formation of compounds with low chlorine content and high hydrogen requirements (mono, di and trichloride, because chlorine behaves as a limit reactive substance).", "mime": "application/pdf"}, {"id": "ecletica-359", "words": "3162", "extension": ".pdf", "flesch": "43", "author": "Caldeira, Alice Santos; Fabris, Jos\u00e9 Domingos; Nelson, David Lee; Damasceno, Sandra Matias", "title": "Removal of textile dye by adsortion on the cake as solid waste from the press-extraction of the maca\u00faba (Acrocomia aculeata) kernel oil", "date": "2018", "keywords": "adsorbent; adsorption; cake; dye; maca\u00faba; process; surface; textile", "summary": "Adsorption isotherm for Remazol Brilliant Blue R on maca\u00faba kernel cake Two adsorption isotherm models, Langmuir and Freundlich, were used in this study to evaluate the equilibrium data. Results from linear regression analysis of adsorption isotherms are shown in Table 1.", "mime": "application/pdf"}, {"id": "ecletica-36", "words": "4733", "extension": ".pdf", "flesch": "55", "author": "Azzi, D\u00e9borah Christine; de Oliveira, Geiser Gabriel; Janegitz, Bruno Campos; Bonif\u00e1cio, Viviane Gomes; Fatibello-Filho, Orlando; Marcolino-Junior, Luiz Humberto", "title": "Determina\u00e7\u00e3o de rutina em formula\u00e7\u00f5es farmac\u00eauticas utilizando um sistema de an\u00e1lise por inje\u00e7\u00e3o em fluxo envolvendo multicomuta\u00e7\u00e3o", "date": "2016", "keywords": "com; de rutina; determination; foi; hipoclorito; luminol; para; por; qu\u00edmica; rutina; sinal; solu\u00e7\u00e3o; s\u00f3dio", "summary": "Sob condi\u00e7\u00f5es otimizadas, foi obtida uma curva anal\u00edtica para concentra\u00e7\u00f5es de rutina variando de 5.0 \u00d7 10 -6 mol L -1 a 1.0 \u00d7 10 -4 mol L -1 (r = 0,996) com um limite de detec\u00e7\u00e3o de 9.7 \u00d7 10 -7 mol L -1 e uma frequ\u00eancia de amostragem de 120 h -1 . Estudos de repetibilidade para uma concentra\u00e7\u00e3o de rutina de 7,0 x 10 -6 mol L -1 apresentaram um desvio padr\u00e3o relativo (DPR) menor que", "mime": "application/pdf"}, {"id": "ecletica-360", "words": "2871", "extension": ".pdf", "flesch": "74", "author": "Muraoka, Teresa Kazuko; Duarte, Adriana Pereira; Takahashi, Pedro Mitsuo; Nogueira, V\u00e2nia Martins; de Godoy Netto, Adelino Vieira; Mauro, Antonio Eduardo", "title": "Reatividade do [Fe(CO)2(\u03b72-CS2)(PPh3)2] frente a compostos de Cu(I): S\u00edntese de esp\u00e9cies binucleares heteromet\u00e1licas contendo CS2 em ponte entre Fe(0) e Cu(I)", "date": "2007", "keywords": "chem; com; compostos; fe(co; pph", "summary": "Ecl. Qu\u00edm., S\u00e3o Paulo, 32(2): 7-11, 2007 Vol32n2_versao_02.pmd 13/7/2007, 14:009 10 Tabela 2: Frequ\u00eancia de est iramento CO e CS para os compostos obtidos e de partida. CS 2 \u00e9, em geral, muito reativo frente aos mesmos, formando compostos de coordena\u00e7\u00e3o com quase todos eles; al\u00e9m de mostrar uma variedade de rea\u00e7\u00f5es de inser\u00e7\u00e3o e de desproporcionamento.", "mime": "application/pdf"}, {"id": "ecletica-361", "words": "1758", "extension": ".pdf", "flesch": "60", "author": "D\u00e9niz, Rub\u00e9n del Toro; Echevarr\u00eda, Marlene Seijo; Terra, Zaida Fern\u00e1ndez; Espinosa, Ana Mar\u00eda Pe\u00f3n; de Moya, Humberto\u00a0Varela", "title": "Use of modified silica gel for concentrating Pb (II) and Cd (II) occurring in form of complex anions", "date": "2007", "keywords": "gel; metal; silica", "summary": "The results obtained about the metal capture, under dynamic conditions, are described and metal ions are removed by desorption with EDTA and quantified by AAS. The determination of such metal species was done, during filtration, by means of atomic absorption spectrophotometry at a wavelength of 283.3 nm for Pb and 228.3 nm for Cd in a Karl Zeiss AAS-3 spectrophotometer.", "mime": "application/pdf"}, {"id": "ecletica-362", "words": "2700", "extension": ".pdf", "flesch": "69", "author": "Dametto, Patr\u00edcia Roberta; de Siqueira, Adriano Buzutti; de Carvalho, Cl\u00e1udio Teodoro; Ionashiro, Massao", "title": "Synthesis, characterization and thermal studies on solid state 3-methoxybenzoate of lighter trivalent lanthanides", "date": "2007", "keywords": "compounds; curves; loss; meo; thermal", "summary": "Spectroscopic data for sodium 3-methoxybenzoate and compounds with lighter trivalent lanthanides. The dehydration enthalpies found for the lanthanum to samarium compounds were: 112.2, 105.4, 106.8, 95.5 and 93.3 kJ mol-1. 0 100 200 300 400 500 600 DSC (a) (b) (c) (d) exo up (e)", "mime": "application/pdf"}, {"id": "ecletica-363", "words": "2559", "extension": ".pdf", "flesch": "65", "author": "St\u0119pniak, Krystyna; Ferenc, Wieslawa; Crist\u00f3v\u00e3o, Beata; Lis, Tadeusz", "title": "Crystal structures of 5-chloro-2-methoxybenzoates of Mn(II), Co(II), Ni(II) and Zn(II)", "date": "2007", "keywords": "co(ii; complexes; coordination; mn(ii; ni(ii", "summary": "Experimental details Preparation of complexes The 5-chloro-2-methoxybenzoates of Mn(II), Co(II), Ni(II), and Zn(II) were prepared by the addition of equivalent quantities of 0.1M ammonium 5-chloro-2-methoxybenzoate (pH~5) to a hot solution containing the nitrates(V) of those elements and crystallizing at 293K. The solids were filtered off, washed with hot water and methanol to remove ammonium ions and dried at 303K to a constant mass. Suitable crystals of the title compounds for X-ray diffraction were grown by Ecl. Qu\u00edm., S\u00e3o Paulo, 32(2): 23-28, 2007 Volume 32, n\u00famero 2, 2007 the recrystallization process evaporating an aqueous solution of the salts at 293 K. The contents of carbon and hydrogen in complexes were determined by elemental analysis using a CHN 2400 Perkin Elmer analyser and the content of chlorine by Sch\u00f6niger method.", "mime": "application/pdf"}, {"id": "ecletica-37", "words": "3157", "extension": ".pdf", "flesch": "46", "author": "Chagas, J\u00fanior Olair; C\u00f4rrea, Silviana; Melo, Isabela Cristina Silva; Lobo, Fabiana Aparecida; de Almeida, Alex Magalh\u00e3es", "title": "Optimization of a homogeneous ternary solvent system for the quantification of lead in crystal sugar samples", "date": "2017", "keywords": "curve; lead; samples; solution; solvents; sugar; system", "summary": "https://doi.org/10.1590/S0103-20032012000400012 [2] Oliveira, D. T., Esquiaveto, M. M. M., Junior, J. F. S., Impacto dos itens da especifica\u00e7\u00e3o do a\u00e7\u00facar na ind\u00fastria aliment\u00edcia, Cienc. Analytical method for monitoring of lead in sugar samples was developed with the use of homogeneous ternary system of solvents and UV-Vis spectrophotometry.", "mime": "application/pdf"}, {"id": "ecletica-374", "words": "5845", "extension": ".pdf", "flesch": "46", "author": "Orives, Juliane; Viali, Wesley R.; Magnani, Marina; Nalin, Marcelo", "title": "Incorporation of CdFe2O4SiO2 nanoparticles in SbPO4-ZnO-PbO glasses by melting quenching process", "date": "2018", "keywords": "cdfe2o4; cdsinps; energy; figure; glasses; magnetic; matrix; nanoparticles; properties; samples; silica; spz", "summary": "[23] Farag, H. K., Marzouk, M. A., Preparation and characterization of nanostructured nickel oxide and its influence on the optical properties of sodium zinc borate glasses J. Mater. The innovation in this paper is related to the fact that we proved that nanoparticles with controlled sizes can be dispersed into glass matrix.", "mime": "application/pdf"}, {"id": "ecletica-38", "words": "2598", "extension": ".pdf", "flesch": "54", "author": "Vaz, Denise de Oliveira; Fernandes, Andreia Neves; Szpoganicz, Bruno", "title": "Complexations of Divalent Metallic Ions with Fulvic Acids", "date": "2018", "keywords": "groups; ions; l-1; p[h; species; srfa; values", "summary": "The metal speciation also can determine the mobility of trace metals in the ecosystems1, 2. Free metal ions are more toxic to aquatic biota than metal ions bound to organic molecules like the fulvic acids3. References [1] Ephraim, J. H. Heterogeneity as a concept in the interpretation of metal ion binding by humic substances.", "mime": "application/pdf"}, {"id": "ecletica-399", "words": "6620", "extension": ".pdf", "flesch": "39", "author": "Franco, Juliana Metzner; Pugine, Silvana Marina Piccoli; Scatoline, Ant\u00f4nio M\u00e1rcio; de Melo, Mariza Pires", "title": "Antioxidant capacity of Melissa Officinalis L. on Biological Systems", "date": "2018", "keywords": "absorbance; acid; activity; antioxidant; ascorbic; assay; dpph\u2022; extract; officinalis; radical; scavenging; total", "summary": "[2] Fernandes, R. P. P., Trindade, M. A., Tonin, F. G., Lima, C. G., Pugine, S. M. P., Munekata, P. E. S., Lorenzo, J. M., De Melo, M. P., Evaluation of antioxidant capacity of 13 plant extracts by three different methods: cluster analyses applied for selection of the natural extracts with higher antioxidant capacity to replace synthetic antioxidant in lamb burgers, J. Food Sci. [39] Manoharan, S., Guillemin, G. J., Abiramasundari, R. S., Essa, M. M., Akbar, M., Akbar, M. D., The Role of Reactive Oxygen Species in the Pathogenesis of Alzheimer\u2019s Disease, Parkinson\u2019s Disease, and Huntington\u2019s Disease: A Mini Review, Oxid.", "mime": "application/pdf"}, {"id": "ecletica-403", "words": "3438", "extension": ".pdf", "flesch": "61", "author": "dos Santos, Ademir Francisco; Ribeiro, Clovis Augusto; Polese, Luciana; Ernandes, Jos\u00e9 Roberto; Kesserlingh, S\u00f4nia Maria; Nonato, Roberto Vianna", "title": "Determina\u00e7\u00e3o de par\u00e2metros de valida\u00e7\u00e3o de m\u00e9todos cromatogr\u00e1ficos para an\u00e1lise de 5-hidroximetilfurfural e a\u00e7\u00facares em amostras de processo de produ\u00e7\u00e3o de pol\u00edmero biodegrad\u00e1vel", "date": "2006", "keywords": "com; concentra\u00e7\u00e3o; dos; foram; frutose; glicose; hmf; m \ufffd; para; sacarose; valores; \ufffd o; \ufffd r; \ufffd \ufffd", "summary": "O limite de quantifica\u00e7\u00e3o (LQ) determina- do foi de 0,2098 mg kg-1 e o limite de detec\u00e7\u00e3o foi 18 Ecl. Qu\u00edm., S\u00e3o Paulo, 31(1): 13-20, 2006 \ufffd\ufffd\ufffd\ufffd\ufffd\ufffd \ufffd \ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd \ufffd\ufffd \ufffd\ufffd\ufffd\ufffd\ufffd \ufffd\ufffd \ufffd\ufffd \ufffd \ufffd\ufffd \ufffd\ufffd 2\ufffd\ufffdJ7 \ufffd&\ufffdLJ6?\ufffd: 4&\ufffd:\ufffd6K K\ufffd\ufffd \ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd M\ufffd4M\ufffd\ufffd O\ufffd\ufffd, ,\ufffd21./ ,0,, \ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd \ufffd\ufffd \ufffd\ufffd\ufffd\ufffd\ufffd\ufffdA M\ufffd\ufffd O\ufffd\ufffd, 0\ufffd/-*G P /\ufffd**.1 \ufffd\ufffd\ufffd\ufffd\ufffd \ufffd '\ufffd4\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffdM5+ ,\ufffd0/ ,\ufffd*--3 \ufffd\ufffd O\ufffd\ufffd, )Q ,0,R, . P ,\ufffd,0,/ 0\ufffd1*/, P G\ufffd*2G. 0\ufffd/032 P ,,\ufffd-32* \ufffd\ufffd\ufffd\ufffd\ufffd \ufffd '\ufffd4\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd \ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffdM5+ 3\ufffd/, *\ufffdG. *\ufffd10 0\ufffd.1*2 \ufffd O\ufffd\ufffd, )Q G3 R 2 ,\ufffd*2*0 \ufffd O\ufffd\ufffd, )Q G- R * ,\ufffd/.21 \ufffd O\ufffd\ufffd, )Q ,0, R * 0\ufffd12/* \ufffd O\ufffd\ufffd, )Q G2 R 2 .", "mime": "application/pdf"}, {"id": "ecletica-404", "words": "4593", "extension": ".pdf", "flesch": "66", "author": "Rodrigues, \u00c9rica Alvarenga Crespo; de Siqueira, Adriano Buzutti; Ionashiro, Elias Yuki; Bannach, Gilbert; Ionashiro, Massao", "title": "Synthesis, characterization and thermal behaviour of solid-state compounds of 4-methoxybenzoate with lanthanum (III) and trivalent lighter lanthanides", "date": "2006", "keywords": "compounds; curves; dta; loss; mass; thermal", "summary": "[37] M. J. Frisch, G. W. Trucks, H. B. Schlegel, G. E. Scuseria, M. A. Robb, J. R. Cheeseman, V. G. Zakrzewski, J. A. Montgomery, Jr., R. E. Stratmann, J. C. Burant, S. Dapprich, J. M. Millam, A. D. Daniels, K. N. Kudin, M. C. Strain, O. Farkas, J. Tomasi, V. Barone, M. Cossi, R. Cammi, B. Mennucci, C. Pomelli, C. Adamo, S. Clifford, J. Ochterski, G. A. Petersson, P. Y. Ayala, Q. Cui, K. Morokuma, N. Rega, P. Salvador, J. J. Dannenberg, D. K. Malick, A. D. Rabuck, K. Raghavachari, J. B. Foresman, J. Cioslowski, J. V. Ortiz, A. G. Baboul, B. B. Stefanov, G. Liu, A. Liashenko, P. Piskorz, I. Komaromi, R. Gomperts, R. L. Martin, D. J. Fox, T. Keith, M. A. Al-Laham, C. Y. Peng, A. Nanayakkara, M. Challacombe, P. M. W. Gill, B. Johnson, W. Chen, M. W. Wong, J. L. Andres, C. Gonzalez, M. Head-Gordon, E. S. Replogle, J. A. Pople, Gaussian 98, Revision A.11.2. In the solid state compounds, hydration water, ligand and metal ion contents were deter- mined from TG curves.", "mime": "application/pdf"}, {"id": "ecletica-405", "words": "4052", "extension": ".pdf", "flesch": "61", "author": "Trindade, Magno Aparecido Gon\u00e7alves; Cunha, Patr\u00edcia Alessandra da Cruz; de Araujo, Tatiane Alfonso; da Silva, Glaucia Maria; Ferreira, Valdir Souza", "title": "Interaction study of moxifloxacin with Cu(II) ion using square-wave voltammetry and its application in the determination in tablets", "date": "2006", "keywords": "cu(ii; l-1; method; mol; moxi; peak; phosphate; solution", "summary": "As can be seen from these results, the MOXI can be quantitatively determined using the proposed method in formulation products contain- ing MOXI by interaction with Cu(II). Introduction Moxifloxacin (MOXI) {1-cyclopropyl-7- [2, 8-diazobicyclo (4.3.0) nonane]-6-fluoro-8- methoxy-1, 4-dihydro-4-oxo-3-quinolone car- boxylic acid} (Fig. 1) is a new 8- methoxyquinolone derivate of fluoroquinolones with enhanced activity in vitro against Gram-pos- itives bacteria and maintenance of activity against Gram-negative bacteria [1-3].", "mime": "application/pdf"}, {"id": "ecletica-406", "words": "2417", "extension": ".pdf", "flesch": "67", "author": "Guerra, Wendell; Silva, Heveline; de Almeida, Mauro Vieira; Fontes, Ana Paula Soares", "title": "S\u00edntese e caracteriza\u00e7\u00e3o de complexos de platina (II) contendo iodeto e derivados do furano como ligantes", "date": "2006", "keywords": "cm-1; complexos; foram; para; que; rmn", "summary": "Os complexos aqui estudados apresentam novas bandas de absor\u00e7\u00e3o em 571 cm-1 e 527 cm- 1 que podem ser atribu\u00eddas aos \u03bdPt-N para com- plexo I e II, respectivamente. Este trabalho reporta parte da estrat\u00e9gia de nosso grupo de pesquisa na obten\u00e7\u00e3o de novos complexos de platina variando a natureza dos li- gantes.", "mime": "application/pdf"}, {"id": "ecletica-407", "words": "4291", "extension": ".pdf", "flesch": "60", "author": "Al-Maydama, Hussein; El-Shekeil, Ali; Khalid, Maarib A.; Al-Karbouly, Ashour", "title": "Thermal degradation behaviour of some polydithiooxamide metal complexes", "date": "2006", "keywords": "cal; complexes; decomposition; step; thermal", "summary": "Some recent results concerning the thermal and thermo-oxidative degradation of polymers or polymeric material, metal complexes, medicinal plant leaves and thermoplastic starch obtained by thermoanalytical methods (TG, DTG, DTA, DSC) have been reported [3 \u2013 14]. Experimental Synthesis of polymer complexes and physical analysis Complete details of the synthesis, physical measurements, characterization and identifica- tion as well as the DC electrical conductivity of the three conducting polymer complexes of inter- est (PDTA-Fe, PDTA-Co, PDTA-Ni and PDTA- Zn) and their structure shown in structure 1 are published elsewhere [15].", "mime": "application/pdf"}, {"id": "ecletica-408", "words": "2892", "extension": ".pdf", "flesch": "68", "author": "Jalbout, Abraham F.; Li, Xin-Hua; Trzaskowski, Bartosz; Raissi, \u202aHeidar", "title": "Experimental and theoretical investigation of the IR spectra and thermochemistry of four isomers of 2-N,N-dimethylaminecyclohexyl 1-N\u2019,N\u2019-dimethylcarbamate", "date": "2006", "keywords": "experimental; isomers; mol; ring; \u03bd \u03bd", "summary": "Experimental IR spectrum of isomer 3 in 3.00 X 10-2 M CCl4 solution. Experimental IR spectrum of isomer 4 in 3.00 X 10-2 M CCl4 solution.", "mime": "application/pdf"}, {"id": "ecletica-409", "words": "4190", "extension": ".pdf", "flesch": "60", "author": "Zanoni, Thalita Boldrin; Carlos, Iracilda Zepponi; Tognolli, Jo\u00e3o Ol\u00edmpio; Yamanaka, Hideko; Ferreira, Antonio Aparecido Pupim", "title": "Otimiza\u00e7\u00e3o de ELISA empregando a prote\u00edna Tc85-11 e planejamento fatorial", "date": "2006", "keywords": "chagas; com; cruzi; das; dilui\u00e7\u00f5es; elisa; incuba\u00e7\u00e3o; para; planejamento; que; s\u00e3o; tc85", "summary": "Para as dilui\u00e7\u00f5es do Ag, Ac e Ac* (Figura 1) a vari\u00e1vel significativa foi o ant\u00edgeno (Ag) e o seu termo quadr\u00e1tico. Ap\u00f3s definir as dilui\u00e7\u00f5es do Ag, Ac e Ac*, procedeu-se o planejamento fatorial 22 com 2 vari\u00e1veis (tempo de incuba\u00e7\u00e3o de 30 ou 60 min- utos para o Ac (tAc) e para o Ac* (tAc*).", "mime": "application/pdf"}, {"id": "ecletica-41", "words": "2518", "extension": ".pdf", "flesch": "36", "author": "da Silva, Anne G. M.; Silva, Marcilio W. F.; Bezerra, Giselle B.; Ramos, Cl\u00e9cio Souza", "title": "The first report of chemical and biological study of essential oil from Begonia reniformis leaf (Begoniaceae)", "date": "2017", "keywords": "bacteria; begonia; oil; reniformis; species", "summary": "Here we report the first chemical and biological study of essential oil for a species of Begonia. The first report of chemical and biological study of essential oil from Begonia reniformis leaf (Begoniaceae) Anne Gabrielle Marques da Silva1, Marcilio Wagner Fontes Silva1, Giselle Barbosa Bezerra1, Cl\u00e9cio Souza Ramos1+ 1 Rural Federal University of Pernambuco, Department of Chemistry, Manoel de Medeiros St., Dois Irm\u00e3os, Recife 52171-030, Brazil +Corresponding author: Cl\u00e9cio Souza Ramos, phone:", "mime": "application/pdf"}, {"id": "ecletica-410", "words": "3973", "extension": ".pdf", "flesch": "65", "author": "Sussulini, Alessandra; Arruda, Marco Aur\u00e9lio Zezzi", "title": "Determina\u00e7\u00e3o de cromo (VI) por espectrometria de absor\u00e7\u00e3o at\u00f4mica com chama ap\u00f3s a extra\u00e7\u00e3o e pr\u00e9-concentra\u00e7\u00e3o no ponto nuvem", "date": "2006", "keywords": "com; concentra\u00e7\u00e3o; cromo; extra\u00e7\u00e3o; foi; l-1; nuvem; para; ponto; por; pr\u00e9; que; solu\u00e7\u00e3o; s\u00e3o; uma", "summary": "Devido ao fato de que os cromatos s\u00e3o amplamente empregados no trata- mento de \u00e1guas e que o cromo (VI) apresenta uma toxicidade muito maior que a do cromo (III), o maior interesse na especia\u00e7\u00e3o de cromo \u00e9 foca- do na determina\u00e7\u00e3o de cromo (VI) An\u00e1lise de amostras de \u00e1guas O m\u00e9todo proposto neste trabalho foi apli- cado na determina\u00e7\u00e3o de cromo (VI) em amostras reais, no caso, de \u00e1guas minerais com e sem g\u00e1s 77Ecl.", "mime": "application/pdf"}, {"id": "ecletica-411", "words": "3744", "extension": ".pdf", "flesch": "62", "author": "Oliveira Neto, Almir; Dias, Ricardo Rodrigues; Ribeiro, Vilm\u00e1ria Aparecida; Spinac\u00e9, \u202aEstevam Vitorio; Linardi, Marcelo", "title": "Eletro-oxida\u00e7\u00e3o de etanol sobre eletrocatalisadores PtRh/C, PtSn/C e PtSnRh/C preparados pelo m\u00e9todo da redu\u00e7\u00e3o por \u00e1lcool", "date": "2006", "keywords": "aumento; com; dos; eletrocatalisadores; etanol; foi; foram; oxida\u00e7\u00e3o; para; por; ptrh; ptsn; ptsnrh; que; s\u00e3o; uma", "summary": "Voltamogramas C\u00edclicos dos eletrocatalisadores: A) PtRh/C (90:10) e PtRh/C (50:50), B) PtSnRh/C (50:40:10), PtSn/C (90:10) e PtSn/C (50:50) na presen\u00e7a de 0,5 mol L-1 de H2SO4 e veloci- dade de varredura de 10 mV s-1. Ap\u00f3s este per\u00edodo a mistura foi filtrada e esta ainda \u00famida foi ent\u00e3o retirada do filtro com aux\u00edlio de uma esp\u00e1tula e colocada sobre a cavidade do eletrodo (0,30 mm de profundidade e 0,36 cm2 de \u00e1rea), sob leve press\u00e3o, procurando deixar a superf\u00edcie o mais homog\u00eanea poss\u00edvel.", "mime": "application/pdf"}, {"id": "ecletica-412", "words": "2727", "extension": ".pdf", "flesch": "55", "author": "Amorim Filho, Volnei Resta; Polito, Wagner Luiz; de Oliveira, Silvana Ruella; Freschi, Gian Paulo Giovanni; Gomes Neto, Jos\u00e9 Augusto", "title": "Simultaneous determination of Cd and Pb in antibiotics used in sugar-cane fermentation process by GFAAS", "date": "2006", "keywords": "determination; gfaas; graphite; l-1; samples", "summary": "Limites de detec\u00e7\u00e3o (LOD) baseados na absorb\u00e2ncia integrada foram 0,02 \u00b5g L-1 Cd e 0,7 \u00b5g L-1 Pb e os desvios padr\u00f5es relativos (n = 10) para Cd e Pb foram 5,7% e 8,0%, respectivamente. Limits of detection (LOD) based on integrated absorbance were 0.02 \u00b5g L-1 Cd and 0.7 \u00b5g L-1 Pb and the rela- tive standard deviations (n = 10) for Cd and Pb were 5.7% and 8.0%, respectively.", "mime": "application/pdf"}, {"id": "ecletica-413", "words": "1369", "extension": ".pdf", "flesch": "51", "author": "Magalh\u00e3es, Aderbal Farias; Tozzi, Ana Maria Goulart de Azevedo; Santos, Celira Caparica; Magalh\u00e3es, Eva Gon\u00e7alves", "title": "Analysis of metabolites from plants of the Swartzia genus using chemical indexes: evolutionary tendencies", "date": "2006", "keywords": "langsdorffii; metabolites; species; swartzia", "summary": "Botanical classification of Swartzia species which produced flavonoids and abietane diter- penoids. Experimental details Comparing the secondary profile reported for Swartzia species it is possible to observe one group characterized by the presence of flavonoids and another one by the presence of abieta-8,11,13- triene diterpenoids.", "mime": "application/pdf"}, {"id": "ecletica-414", "words": "4016", "extension": ".pdf", "flesch": "67", "author": "Ferenc, Wieslawa; Walk\u00f3w-Dziewulska, Agnieszka; Sarzy\u0144ski, Jan", "title": "Magnetic, thermal and spectral characterization of 2,6-dimethoxybenzoates of Co(II), Ni(II) and Cu(II)", "date": "2006", "keywords": "2,6; anal; co(ii; complexes; compounds; dimethoxybenzoates; ni(ii; values; water", "summary": "The Figure 4. Dependence between magnetic susceptibil- ity (1) and magnetic moment (2) values vs tempera- ture for 2,6-dimethoxybenzoate of Cu(II). Magnetic moments were calculated from Eq.", "mime": "application/pdf"}, {"id": "ecletica-415", "words": "2751", "extension": ".pdf", "flesch": "60", "author": "Aquino, Felipe Thomaz; Santiago-Silva, Mary Rosa", "title": "Determina\u00e7\u00e3o de \u00e1cidos carbox\u00edlicos em composto de res\u00edduos s\u00f3lidos urbanos por cromatografia gasosa com detector de ioniza\u00e7\u00e3o em chama", "date": "2006", "keywords": "carbox\u00edlicos; com; como; compostagem; composto; foi; foram; para; por; que; rsu; s\u00e3o; uma; \u00e1cidos", "summary": "Com o advento de instrumentos mais sofisticados isola- dos termicamente e que possibilita-se o uso de um injetor autom\u00e1tico e controle de vaz\u00e3o dos 28 Ecl. Qu\u00edm., S\u00e3o Paulo, 31(2): 25-30, 2006 Tabela 1. A linearidade corresponde \u00e0 capacidade do m\u00e9todo em fornecer resultados diretamente pro- porcionais \u00e0 concentra\u00e7\u00e3o da subst\u00e2ncia em exame, dentro de uma determinada faixa de apli- Figura 1.", "mime": "application/pdf"}, {"id": "ecletica-416", "words": "3747", "extension": ".pdf", "flesch": "61", "author": "Prasad, Saradh; Leite, Valderi Duarte; Santana, Renato Alexandre Costa; de Medeiros, Emanuelle Ara\u00fajo", "title": "Electrometric studies on formation of cerium vanadates as a function of pH", "date": "2006", "keywords": "cerium; formation; nitrate; ortho; sodium; solution; titrations; vanadate", "summary": "It was noted that the presence of ethanol in cerium vanadate titrations slightly improves the end-points and gives better results as it decreases solubility of the precipitates formed and mini- mizes hydrolysis and adsorption. The interaction of cerium(III) nitrate with sodium vanadate solutions, at specific pH levels 12.4, 10.5, 7.4 and 3.6 was also studied by potentiometric and conductometric titrations between the reactants.", "mime": "application/pdf"}, {"id": "ecletica-417", "words": "1708", "extension": ".pdf", "flesch": "61", "author": "Fernandes, Nedja Suely; de Araujo, Ant\u00f4nio Souza; Ionashiro, Massao", "title": "Kinetic evaluation of the dehydration of Yb(III) Lu(III) and Y(III) 4-chlorobenzylidenepyruvate by thermogravimetry (TG)", "date": "2006", "keywords": "compounds; curves; dehydration", "summary": "Multiple heating rate (a = 2.5; b = 5.0 and c = 10.0 \u00ba C min \u20131) TG integral curves for dehydration step of the chlorobenzylidenepyru- vate of the Yb, Lu and Y. Conclusions The results obtained showed that the kinetic model proposed suits well in the dehydration step, fact that is confimed by the linearity observed when the logarithm of several heating rate is plotted against the reciprocal temperature of water removal for several percentages of conversion. Dehydration lifetime of 4-chlorobenzyli- denepyruvate of Yb, Lu and Y vs. Temperature.", "mime": "application/pdf"}, {"id": "ecletica-418", "words": "4082", "extension": ".pdf", "flesch": "62", "author": "Bergamini, M\u00e1rcio Fernando; Vital, Saulo Lotti; dos Santos, Andre Luiz; Stradiotto, Nelson Ramos", "title": "Determina\u00e7\u00e3o de chumbo em \u00e1lcool combust\u00edvel por voltametria de redissolu\u00e7\u00e3o an\u00f3dica utilizando um eletrodo de pasta de carbono modificado com resina de troca i\u00f4nica Amberlite IR 120", "date": "2006", "keywords": "chumbo; com; combust\u00edvel; concentra\u00e7\u00e3o; eletrodo; epcm; foi; l-1; para; pb2; pico; pr\u00e9; que; resina; solu\u00e7\u00e3o; uma; \u00e1lcool; \u00edons", "summary": "EQ7-AF Introdu\u00e7\u00e3o O emprego do etanol combust\u00edvel como uma fonte alternativa de energia tem contribu\u00eddo para reduzir os n\u00edveis de emiss\u00e3o de CO2 no Brasil. A curva A foi obtida para um eletrodo de pasta de carbono n\u00e3o modificado ap\u00f3s a exposi\u00e7\u00e3o por 10 min a uma solu\u00e7\u00e3o aquosa con- tendo 1,0 x 10-6 mol L-1 de Pb2+ seguido por uma etapa de redu\u00e7\u00e3o eletroqu\u00edmica dos \u00edons Pb2+ rea- lizada a -1,0 V (vs. Ag/AgCl) por 60 segundos.", "mime": "application/pdf"}, {"id": "ecletica-419", "words": "2927", "extension": ".pdf", "flesch": "63", "author": "Arenas, Leliz Ticona; Simon, Nath\u00e1lia Marcolin; Gushikem, Yoshitaka; Costa, Tania Maria Haas; Lima, Eder Claudio; Benvenutti, Edilson Valmir", "title": "A water soluble 3-n-propyl-1-azonia-4-azabicyclo[2.2.2]octanechloride silsesquioxane grafted onto Al/SiO2 surface. Chromium adsorption study", "date": "2006", "keywords": "dabcosil; material; silsesquioxane; sio2; surface", "summary": "[12] S. V. M. de Moraes, M. T. Laranjo, M. Zat, Tania M. H. Costa, M. R. Gallas, E. V. Benvenutti, Appl. [14] L. T. Arenas, J. C. P. Vaghetti, E. C. Lima, C. C. Moro, E. V. Benvenutti, T. M. H. Costa, Mater Lett 58 (2004) 895.", "mime": "application/pdf"}, {"id": "ecletica-42", "words": "3404", "extension": ".pdf", "flesch": "48", "author": "Kobelnik, Marcelo; Quarcioni, Valdecir \u00c2ngelo; de Almeida, Ad\u00e9lia Em\u00edlia; Ribeiro, Cl\u00f3vis Augusto; Crespi, Marisa Spirandeli", "title": "Study of the thermal behavior in solid state of Mn(II)-Diclofenac Complex", "date": "2018", "keywords": "complex; curves; decomposition; figure; gas; monotropic; purge", "summary": "http://revista.iq.unesp.br/ojs/index.php/ecletica/index https://doi.org/10.26850/1678-4618eqj.v43.1.59-66 mailto:mkobelnik@gmail.com mailto:crespims@gmail.com http://orcid.org/0000-0001-6879-3172 http://orcid.org/0000-0003-0840-4758 http://orcid.org/0000-0002-7984-5908 http://orcid.org/0000-0003-0638-7472 Original article 60 Ecl\u00e9tica Qu\u00edmica Journal, vol. 43, n. 1, 2018, 59-66 ISSN: 1678-4618 DOI: 10.26850/1678-4618eqj.v43.1.59-66 and cobalt (II)7 ions were also evaluated by thermal analysis with the aim of obtaining the activation energy by thermal decomposition and phase transition, respectively. The second and third steps of thermal decomposition occur between 355 and 693 \u00baC, and the mass loss is 47.23 %.", "mime": "application/pdf"}, {"id": "ecletica-420", "words": "2062", "extension": ".pdf", "flesch": "66", "author": "Polese, Luciana; Jardim, Elaine F\u00e1tima Galatti; Navickiene, Sandro; Brito, Natilene Mesquita; Ribeiro, Maria Lucia", "title": "Prochloraz residue levels in ginger submitted to Sportak 450 CE\u201d postharvest treatment", "date": "2006", "keywords": "days; ginger; prochloraz; samples; treatment", "summary": "The objective of this work was to evaluate the residue levels of prochloraz in ginger samples submitted to Sportak 450 CE\u00ae postharvest treatment to verify the behaviour of prochloraz residues in ginger under cold storage. To carry out this study, ginger samples were placed in plastic boxes (20 gingers per box).", "mime": "application/pdf"}, {"id": "ecletica-421", "words": "3004", "extension": ".pdf", "flesch": "67", "author": "Aguiar, Marco Ant\u00f4nio Souza; Berbig\u00e3o, Priscilla Nunes; Mori, V\u00e2nia", "title": "Determina\u00e7\u00e3o amperom\u00e9trica de iodeto em solu\u00e7\u00f5es expectorantes orais com an\u00e1lise por inje\u00e7\u00e3o em fluxo usando a rea\u00e7\u00e3o iodeto/nitrito", "date": "2006", "keywords": "amostras; com; eletrodo; fluxo; foi; foram; iodeto; l-1; mol; m\u00e9todo; nitrito; padr\u00e3o; para; sistema; solu\u00e7\u00f5es", "summary": "A \u00e1gua utilizada para preparar as solu\u00e7\u00f5es foi obtida de uma unidade de purifica\u00e7\u00e3o de \u00e1gua pelo sistema Nanopure\uf6da. O eletrodo de trabalho utilizado foi de platina com- binado com o eletrodo de refer\u00eancia de Ag/AgCl (sat.), que foi isolado por uma ponte salina con- tendo KNO3 3 mol L-1 misturado com agar-agar \u00e0 4 % (m/v).", "mime": "application/pdf"}, {"id": "ecletica-422", "words": "2781", "extension": ".pdf", "flesch": "48", "author": "Gutierrez, Hernan Oscar Cortez; Gutierrez, Milton Milciades Cortez; Fuentes Rivera, Girady Iara Cortez; Fuentes Rivera, Liv Jois Cortez; Vallejo, Deolinda Fuentes Rivera", "title": "Dark breather using symmetric Morse, solvent and external potentials for DNA breathing", "date": "2018", "keywords": "breather; breathing; dark; dna; figure; morse; potential", "summary": "The profile of symmetric Morse potential can be seen in Figure 1. Mobile dark breather 2. Center of energy 3. quantum thermodynamics 4. DNA breathing 1.", "mime": "application/pdf"}, {"id": "ecletica-423", "words": "3246", "extension": ".pdf", "flesch": "59", "author": "Ferenc, Wieslawa; Walk\u00f3w-Dziewulska, Agnieszka; Sarzy\u0144ski, Jan; Paszkowska, Barbara", "title": "Comparison of some properties of Cu(II) 2,3- , 3,5- and 2,6-dimethoxybenzoates", "date": "2006", "keywords": "2,3; 2,6; chem; complexes; cu(ii; dimethoxybenzoates; temperature", "summary": "[15] L. J. Bellamy, The Infrared Spectra of Complex Molecules,Chapman and Hull, London, 1975 [16] K. Burger, Coordination Chemistry: Experimental Methods, Akademiai Kiad\u00f3, Budapeszt, 1973 The thermal stability of analysed Cu(II) dimethoxybenzoates was studied in the temperature range of 293-1173 K.", "mime": "application/pdf"}, {"id": "ecletica-424", "words": "2810", "extension": ".pdf", "flesch": "68", "author": "Ibrahim, Medhat Ahmed; Allam, Mousa; El-Haes, Hanan; Jalbout, Abraham F.; de Leon, Aned", "title": "Analysis of the structure and vibrational spectra of glucose and fructose", "date": "2006", "keywords": "anomer; fructose; glucose; spectra; vibrational", "summary": "[5] Galema, S. A. Blandamera, M. J. and Engberts, J. B. F. N., J. Org. [24] J. J. P. Stewart, J. Comp.", "mime": "application/pdf"}, {"id": "ecletica-425", "words": "3784", "extension": ".pdf", "flesch": "67", "author": "Igwe, Jude Chibuzo; Augustine, Augustina", "title": "Sorption kinetics and intrapaticulate diffusivity of As(III) bioremediation from aqueous solution, using modified and unmodified coconut fiber", "date": "2006", "keywords": "adsorption; arsenic; coconut; diffusion; fiber; figure; iii; order; pseudo; unmodified", "summary": "Pseudo-first order rate plot for As (III) removal on unmodified and thiolated coconut fiber. Pseudo-first order rate plot for As (III) removal on unmodified and thiolated coconut fiber.", "mime": "application/pdf"}, {"id": "ecletica-426", "words": "3616", "extension": ".pdf", "flesch": "61", "author": "Kanakapura, Basavaiah; Somashekar, Bankavadi Chikkaswamy; Anilkumar, Urdigere Rangachar; Ramakrishna, Veeraiah", "title": "Sensitive bromatometric assay methods for finasteride in pharmaceuticals", "date": "2006", "keywords": "absorbance; determination; fns; method; ml-1; solution; standard; water", "summary": "Beer\u2019s law is obeyed in the ranges 0.25- 2.0, 0.5-6.0 and 1-12 \u00b5g mL-1 for method A, method B and method C, respectively. This was diluted stepwise to obtain working concentrations containing 10, 30 and 60 \u00b5g mL-1 KBrO3for use in method A, method B and method C, respectively.", "mime": "application/pdf"}, {"id": "ecletica-427", "words": "4531", "extension": ".pdf", "flesch": "57", "author": "Andjelkovic, Tatjana; Perovic, Jelica; Purenovi\u0107, Milovan; Blagojevic, Srdjan; Nikoli\u0107, Ru\u017eica; Andjelkovic, Darko; Bojic, Aleksandar", "title": "A direct potentiometric titration study of the dissociation of humic acid with selectively blocked functional groups", "date": "2006", "keywords": "acetylation; acid; carboxyl; eha; groups; humic; phenolic; soil; titration", "summary": "All the obtained data for HA were consistent with typical values for soil humic acids In the case of soil humic acid, carboxyl groups are also, almost complitely esterified (92.9%), since only 7.1% of carboxyl groups (CA(EHA)", "mime": "application/pdf"}, {"id": "ecletica-428", "words": "2474", "extension": ".pdf", "flesch": "49", "author": "da Fonseca, Jana\u00edna Conrado Lyra; da Silva, Milady Renata Apolin\u00e1rio; Bautitz, Ivonete Rossi; Nogueira, Raquel Fernandes Pupo; de Marchi, Mary Rosa Rodrigues", "title": "Avalia\u00e7\u00e3o da confiabilidade anal\u00edtica das determina\u00e7\u00f5es de carbono org\u00e2nico total (COT)", "date": "2006", "keywords": "carbono; com; das; dos; foi; foram; para; que; s\u00e3o; uma; valida\u00e7\u00e3o", "summary": "Os par\u00e2metros usualmente avalia- dos durante a valida\u00e7\u00e3o s\u00e3o: seletividade e especifi- cidade, faixa de medi\u00e7\u00e3o, calibra\u00e7\u00e3o e rastreabili- dade, tend\u00eancia (ou recupera\u00e7\u00e3o), linearidade, lim- ite de detec\u00e7\u00e3o e quantifica\u00e7\u00e3o, robustez e precis\u00e3o [8]. O COT \u00e9 dado pela subtra\u00e7\u00e3o de CT e CI.", "mime": "application/pdf"}, {"id": "ecletica-429", "words": "2905", "extension": ".pdf", "flesch": "59", "author": "Ferenc, Wieslawa; Walk\u00f3w-Dziewulska, Agnieszka; Sarzy\u0144ski, Jan; Paszkowska, Barbara", "title": "Magnetic, thermal and spectral properties of Ni(II) 2,3- , 3,5- and 2,6-dimethoxybenzoates", "date": "2006", "keywords": "2,6; chem; complexes; dimethoxybenzoates; ni(ii; values", "summary": "Results and discussion The complexes of the 2,3-, 3,5- and 2,6- dimethoxybenzoates of Ni(II) were obtained as polycrystalline green solids with a metal to ligand ratio of 1:2 and the general formula Ni(C9H9O4)2\u22c5nH2O, where n=1 for 2,3- dimethoxybenzoate, n=3 for 3,5-dimethoxyben- zoate and n=4 for 2,6-dimethoxybenzoate [8-12]. The ways of the thermal decomposition of Ni(II) dimethoxybenzoates are as follows: NiL2\u00b7H2O \u2192 NiL2 \u2192 Ni\u00b7\u2192 NiO ; for 2,3- dimethoxybenzoate of Ni(II) NiL2\u00b73H2O \u2192 NiL2 \u2192 Ni\u00b7\u2192 NiO ; for 3,5- dimethoxybenzoate of Ni(II) NiL2\u00b74H2O \u2192 NiL2\u00b73H2O \u2192 NiL2 \u2192 NiO ; for 2,6-dimethoxybenzoate of Ni(II Considering the temperature at which the dehydration processes occur and the ways in which they proceed, it is possible to assume that the water molecules are in the outer or inner coordination spheres of the complexes", "mime": "application/pdf"}, {"id": "ecletica-43", "words": "3786", "extension": ".pdf", "flesch": "59", "author": "Braga, Elaine Alves de Faria; Batista Junior, Almir Custodio", "title": "Modifica\u00e7\u00e3o qu\u00edmica de s\u00edlica gel obtida de areia e seu uso na remo\u00e7\u00e3o de Cu2+, Zn2+, Mn2+", "date": "2016", "keywords": "adsor\u00e7\u00e3o; com; dos; foi; metais; para; por; que; qu\u00edmica; s\u00edlica; uma", "summary": "Estudos de remo\u00e7\u00e3o de Cu 2+ , Zn 2+ , Mn 2+ pela s\u00edlica modificada com tetrametilguanidina O processo de adsor\u00e7\u00e3o foi realizado em batelada sob agita\u00e7\u00e3o constante a 25 o C por 12 h. Uma s\u00e9rie de amostras contendo 50 mg de s\u00edlica modificada foi suspensa em 50,0 cm 3 de solu\u00e7\u00e3o aquosa em pH neutro, contendo solu\u00e7\u00e3o de Cu 2++, A principal forma de ocorr\u00eancia da s\u00edlica \u00e9 a cristalina, por\u00e9m diferentes fases podem ser encontradas dependendo das condi\u00e7\u00f5es do meio, como temperatura, press\u00e3o e grau de hidrata\u00e7\u00e3o 1 .", "mime": "application/pdf"}, {"id": "ecletica-430", "words": "2632", "extension": ".pdf", "flesch": "57", "author": "Khalil, Najeh Maissar; Mello, Miriam Alves Morais; Fran\u00e7a, Suzelei de Castro; de Oliveira, Luiz Antonio Andrade; Oliveira, Olga Maria Mascarenhas de Faria", "title": "Callus cell culture of Pothomorphe umbellata (L.) under stress condition leads to high content of peroxidase enzyme", "date": "2006", "keywords": "activity; cell; culture; darkness; enzyme; growth; guaiacol; media; peroxidase", "summary": "Peroxidase activity was determined on the protein fractions, using guaiacol as substrate. All fractions with peroxidase activity were stored under refrigeration, and named \u201cPOD extract\u201d.", "mime": "application/pdf"}, {"id": "ecletica-431", "words": "2806", "extension": ".pdf", "flesch": "54", "author": "Kanakapura, Basavaiah; Ramakrishna, Veeraiah; Anilkumar, Urdigere Rangachar", "title": "Sensitive spectrophotometric determination of lansoprazole in pharmaceuticals using ceric ammonium sulphate based on redox and complex formation reactions", "date": "2006", "keywords": "cas; concentration; iron; lpz; method", "summary": "Method B. Varying aliquots (0.0\u20142.5 mL) of standard LPZ solution (100 \u00b5g mL-1) were accurately measured into a series of 10 mL calibrated flasks by means of a micro burette and the total volume was brought to 3 mL by adding water. One mL of 5 mol L-1 sulphuric acid in a total volume of \u223c 5 mL was used for the oxidation step, which was found to be complete in 15 min. Because of non-linearity at higher concentrations, 5.5 \u00b5g mL-1 was taken as the upper limit of iron(III) that could be determined by thiocyanate method.", "mime": "application/pdf"}, {"id": "ecletica-432", "words": "3473", "extension": ".pdf", "flesch": "69", "author": "de Lucca Neto, Vicente Alexandre; Mauro, Antonio Eduardo; Ananias, Sandra Regina; Stevanato, Alessandra; Moro, Antonio Carlos", "title": "S\u00edntese e emprego do [Pd(dmba)(NCO)(PPh3)] em processos catal\u00edticos envolvendo a prepara\u00e7\u00e3o de derivados da ur\u00e9ia e de alcoxicarbonil complexos", "date": "2006", "keywords": "chem; com; espectro; foi; para; rea\u00e7\u00f5es; s\u00e3o", "summary": "Obteve-se bons rendimentos em todas as rea\u00e7\u00f5es e, em ambos os processos catal\u00edticos realizados, os produtos isolados foram caracterizados por t\u00e9cnicas de RMN e IV. O rendimento foi de 93%.", "mime": "application/pdf"}, {"id": "ecletica-433", "words": "3655", "extension": ".pdf", "flesch": "70", "author": "Ferenc, Wieslawa; Crist\u00f3v\u00e3o, Beata; Sarzy\u0144ski, Jan; Paszkowska, Barbara", "title": "Magnetic, thermal and spectral behaviour of 3-chloro-2-nitrobenzoates of Co(II), Ni(II), and Cu(II)", "date": "2006", "keywords": "chloro-2; cm-1; co(ii; complexes; ni(ii; nitrobenzoates; values", "summary": "Magnetic moments were calculated according to Eq. From the obtained results it appears that 3- chloro-2-nitrobenzoic acid may be used as an elu- ent for the separation of transition metal ions by ion-exchange chromatography.", "mime": "application/pdf"}, {"id": "ecletica-434", "words": "3630", "extension": ".pdf", "flesch": "59", "author": "Gutierrez, Liliana Giraldo; Moreno-Piraj\u00e1n, Juan Carlos", "title": "Immersion enthalpy variation of surface-modified mineral activated carbon in lead (II) aqueous solution adsorption: the relation between immersion enthalpy and adsorption capacity", "date": "2006", "keywords": "acid; adsorption; carbon; pb2; solution; surface", "summary": "Immersion enthalpy at pH 4 values and Pb2+ adsorption isotherms were determined by immersing activated carbons in aqueous solution. As regards chemical characteristics, activated carbons had higher acid sites content, 0.92-2.42 meq g-1, than basic sites, 0.63-0.12 meq g-1.", "mime": "application/pdf"}, {"id": "ecletica-435", "words": "3232", "extension": ".pdf", "flesch": "57", "author": "Guimar\u00e3es, Orliney Maciel; Zaniquelli, Maria Elisabete Darbello; Castro, Jorge Ricardo Moreira; Balbo, Valdir Roberto; de Andrade, Jos\u00e9 Fernando", "title": "Determination of carbon monoxide using a coated quartz crystal sensor", "date": "2006", "keywords": "anal; chem; coating; crystal; flow; frequency; gas; sensor; temperature", "summary": "Keywords: carbon monoxide; piezoelectric sensor; phthalocyanine nickel(II); quartz crystal. Analytical grade reagents were used for the preparation of all substances tested as coatings.", "mime": "application/pdf"}, {"id": "ecletica-436", "words": "4251", "extension": ".pdf", "flesch": "58", "author": "Louren\u00e7o, Leandro Maranghetti; Martins, Fernando Grine; Balbo, Valdir Roberto; Pimenta, Adriano C\u00e9sar; Castro, Jorge Ricardo Moreira; de Andrade, Jos\u00e9 Fernando", "title": "Spectrophotometric study of the chromium(III)/azide system in the ultraviolet region and its analytical application", "date": "2006", "keywords": "acid; chromium(iii; concentration; l-1; ligand; mmol; sample; system", "summary": "The complete saturation between metal and ligand only happened at ligand concentrations of about 900 mmol L-1, which was considered excessive. The behavior observed in Fig.1 can be explained by the fact that there was more formation of HN3 (weak acid) at higher acid concentrations and, consequently, there was lower availability of the free ligand to form the absorbent complexes.", "mime": "application/pdf"}, {"id": "ecletica-438", "words": "4150", "extension": ".pdf", "flesch": "39", "author": "Adams, Eliane; de Paula, Vinicius de Carvalho Soares; Carneiro, Rhaissa Dayane; de Lima, Rubia Matos; Gomes, Monike Felipe; Ramsdorf, Wanessa Algarte; Martins de Freitas, Adriane", "title": "Ecotoxicity of Malathion\u00ae 500 CE before and after UVC radiation and UV/H2O2 treatment", "date": "2018", "keywords": "aegypti; ec50; h2o2; l-1; malathion; min; sativa; toxicity", "summary": "[12] Loures, C. C. A., Alc\u00e2ntara, M. A. K., Iz\u00e1rio Filho, H. J., Teixeira, A. C. S. C., Silva, F. T., Paiva, T. C. B., Samanamud, G. R. L., Advanced oxidative degradation processes: Fundamentals and Applications, International Review of Chemical Engineering 5 (2) (2013) 102-120. In Transformation products of emerging contaminants in the environment: Analisys, processes, ocurrence, effects and risks, Lambropoulou, D. A, Nollet, L. M. L., ed., John Wiley & Sons: Chinchester, United Kingdom, 2014, Ch. 6.", "mime": "application/pdf"}, {"id": "ecletica-439", "words": "2619", "extension": ".pdf", "flesch": "64", "author": "da Silva, Lucinei Stechmann; Oliveira, Tiago Nieswald; Ballin, Marco Aur\u00e9lio; Peixoto, Carlos Roberto de Menezes", "title": "Ascorbic acid determination using a carbon paste electrode modified with iron(III) ions adsorbed on humic acid", "date": "2006", "keywords": "acid; ascorbic; cpe; electrode; h2a; humic; ions; l-1", "summary": "Humic acids are the fraction of the humic substances that are extracted by dissolution in strongly alkaline medium and precipitated in acid medium. Due to this property, humic acids have been used as modifiers in the construction of carbon paste electrodes (CPE-HA)", "mime": "application/pdf"}, {"id": "ecletica-44", "words": "2987", "extension": ".pdf", "flesch": "60", "author": "Batalini, Claudemir; de Giovani, Wagner Ferraresi", "title": "Eletrodos de feltro de carbono modificados com filme dim\u00e9rico de rut\u00eanio: aplica\u00e7\u00e3o em oxida\u00e7\u00f5es eletroqu\u00edmicas de \u00e1lcoois", "date": "2016", "keywords": "carbono; chem; com; como; complexo; eletrodo; filmes; foi; foram; para; por; \u00e1lcool", "summary": "Embora haja v\u00e1rias fun\u00e7\u00f5es qu\u00edmicas poss\u00edveis de sofrer eletropolimeriza\u00e7\u00e3o, o grupo pirrol parece excepcionalmente conveniente para a modifica\u00e7\u00e3o de superf\u00edcies de eletrodos pela n\u00e3o passiva\u00e7\u00e3o do eletrodo por filmes polim\u00e9ricos contendo centros ativos, especialmente complexos de metais de transi\u00e7\u00e3o de AgNO3 2%.", "mime": "application/pdf"}, {"id": "ecletica-440", "words": "2952", "extension": ".pdf", "flesch": "61", "author": "Nagaraja, Padmarajaiah; Bhaskara, Besagarahally L.", "title": "Sensitive spectrophotometric assessment of carbofuran using dapsone as a new chromogenic reagent in formulations and environmental samples", "date": "2006", "keywords": "carbofuran; chem; dapsone; method; product; sodium", "summary": "[15] L. I. Bulter, L .M.McDonough, J. Agric. [19] L. I. Butler, L. M. McDonough, J. Agric.", "mime": "application/pdf"}, {"id": "ecletica-445", "words": "2797", "extension": ".pdf", "flesch": "60", "author": "Ribeiro, Joselito Nardy; Jorge, Renato Atilio", "title": "Determina\u00e7\u00e3o do mecanismo de destrui\u00e7\u00e3o de c\u00e9lulas mediado por meso-tetramesitylporfirina, octaetilporfirina, octaetilporfirina de vanadil e luz vis\u00edvel", "date": "2005", "keywords": "com; eritr\u00f3citos; fotodestrui\u00e7\u00e3o; mecanismo; oxig\u00eanio; para; por; que; tipo; uma; vooep", "summary": "As leituras de absorb\u00e2ncia de hemoglobina, para determinar a fotodestrui\u00e7\u00e3o de eritr\u00f3citos, fo- ram realizadas em um espectrofot\u00f4metro UV/Vis da marca Hewlett Packard Modelo 8453. A quantifica\u00e7\u00e3o da fotodestrui\u00e7\u00e3o foi realizada atrav\u00e9s da leitura de absorb\u00e2ncia, em 542 nm, da hemoglobina liberada, por eritr\u00f3citos destru\u00eddos, no meio de rea\u00e7\u00e3o.", "mime": "application/pdf"}, {"id": "ecletica-446", "words": "1999", "extension": ".pdf", "flesch": "59", "author": "Rodrigues, Emanuel Carlos; Vallejo, Adriana Cossu; Ionashiro, Elias Yuki; Bannach, Girbert; Ionashiro, Massao", "title": "Synthesis, characterization and thermal behaviour of solid state compounds of 4-methoxybenzoate with Manganese, Nickel and Copper", "date": "2005", "keywords": "compounds; dta; methoxybenzoate", "summary": "The manganese, nickel and copper compounds, presented practically the same symmetrical and anti- symmetrical vibrations of the COO- groups, and with the DN very mean when compared with the sodium salt, indicating that compounds have ionic character. In this study, solid state compounds of bivalent manganese, nickel and copper with 4- methoxybenzoate were prepared.", "mime": "application/pdf"}, {"id": "ecletica-447", "words": "3735", "extension": ".pdf", "flesch": "68", "author": "Suarez, Willian Toito; Vieira, Herberth Juliano; Fatibello-Filho, Orlando", "title": "Determina\u00e7\u00e3o de paracetamol em produtos farmac\u00eauticos empregando um sistema de an\u00e1lise por inje\u00e7\u00e3o em fluxo com gera\u00e7\u00e3o de \u00e1cido nitroso", "date": "2005", "keywords": "anal; an\u00e1lise; chim; com; determina\u00e7\u00e3o; fluxo; foi; inje\u00e7\u00e3o; l-1; paracetamol; por; que; sistema; solu\u00e7\u00e3o; uma", "summary": "Um volume apro- priado de cada solu\u00e7\u00e3o de amostra foi transferido para um bal\u00e3o volum\u00e9trico de 100 mL, para que a concentra\u00e7\u00e3o da solu\u00e7\u00e3o estivesse dentro da faixa de concentra\u00e7\u00e3o da curva anal\u00edtica. O limite de detec\u00e7\u00e3o obtido foi de 2,5x10-5 mol L-1 (tr\u00eas vezes o desvio padr\u00e3o do branco/sensibilidade).", "mime": "application/pdf"}, {"id": "ecletica-448", "words": "3622", "extension": ".pdf", "flesch": "58", "author": "Ciapina, Eduardo Gon\u00e7alves; Santini, Alberto Opperman; Los Weinert, Patr\u00edcia; Gotardo, Mara Andr\u00e9ia; Pezza, Helena Redigolo; Pezza, Leonardo", "title": "Spectrophotometric determination of diclofenac in pharmaceutical preparations assisted by microwave oven", "date": "2005", "keywords": "anal; chloranil; diclofenac; l-1; method; microwave; mol; samples; solution", "summary": "A 5.0x10-3 mol l-1 stock solution of sodium diclofenac was prepared in methanol. Five commercial brands of injection solutions and three commercial brands of tablets containing diclofenac sodium or potassium were analyzed.", "mime": "application/pdf"}, {"id": "ecletica-449", "words": "1895", "extension": ".pdf", "flesch": "63", "author": "Silveira, Damaris; de Souza Filho, Jose Dias; de Oliveira, Alaide Braga; Raslan, Delio Soares", "title": "Lychnophoric acid from Lychnophora pinaster: a complete and unequivocal assignment by NMR spectroscopy", "date": "2005", "keywords": "acid; d.s; data; lychnophora; nmr", "summary": "Resumo: O estudo qu\u00edmico das partes a\u00e9reas do extrato hex\u00e2nico de Lychnophora pinaster forneceu, al\u00e9m de outras subst\u00e2ncias, o is\u00f4mero E do \u00e1cido licnof\u00f3rico, um sesquiterpeno anteriormente isolado de L. affinis. D. Silveira 1*, J. D. de Souza Filho 2, A. B. de Oliveira 3, D. S. Raslan 2 1Faculdade de Ci\u00eancias da Sa\u00fade, UnB Asa Norte, Bras\u00edlia, DF, Brazil 2Departamento de Qu\u00edmica, ICEx, UFMG.", "mime": "application/pdf"}, {"id": "ecletica-450", "words": "2209", "extension": ".pdf", "flesch": "64", "author": "Magalh\u00e3es, Aderbal Farias; Magalh\u00e3es, Eva Gon\u00e7alves; Trazzi, Giordano; Valeria Regina de Souza", "title": "Synthetic model of a new deoxybenzoin derivative from Deguelia hatschbachii A.M.G. Azevedo", "date": "2005", "keywords": "data; deoxybenzoin; nmr; table", "summary": "NMR spectral data (125 MHz, CDCl3): Table 2. EIMS (probe) 70 eV, m/z (rel. int.): 1H NMR spectral data (500 MHz, CDCl3/TMS): Table 1. 13C NMR spectral data (125 MHz, CDCl3): Table 2. HREIMS m/z: found 312.1362 [M]+ (C19H20O4 requires 312.1361), Figure 3. Materials and methods 1H NMR (300 and 500 MHz), 13C NMR (75 and 125 MHz), 1H-13C HETCOR 1JCH and 1H-13C COLOC nJCH (n=2 and 3) spectra were recorded using BRUKER AC 300/P, GEMINI 2000 (VARIAN),", "mime": "application/pdf"}, {"id": "ecletica-451", "words": "2824", "extension": ".pdf", "flesch": "67", "author": "Ferreira, Cl\u00e1udia Urbano; Gon\u00e7alves, Jos\u00e9 Eduardo; Kholin, Yuriy Valentinovych; Gushikem, Yoshitaka", "title": "The Li+, Na+ and K+ ion exchange reaction process on the surface of mixed oxide SiO2/TiO2/Sb2O5 surface prepared by the Sol-Gel processing method", "date": "2005", "keywords": "exchange; ion; ion exchange; li+; model; na+; process", "summary": "Keywords: silica-titania-antimonia mixed oxide; ion exchange; alkaline metal ions; stability constants. In the case of the H+ / Li+ exchange, species , relatively depleted with Li+, predominates at extents of reaction 0.15 \u2013 0.55, while for the H+ / K+ ion exchange species , enriched with K+, is the main potassium entity in the solid phase material to the Li+ ions is decreased with increasing the degree of ion exchange.", "mime": "application/pdf"}, {"id": "ecletica-452", "words": "2172", "extension": ".pdf", "flesch": "63", "author": "Peverari, Cinara; Pires, Ana Maria; Gon\u00e7alves, Rog\u00e9ria Rocha; Serra, Osvaldo Antonio", "title": "Synthesis, structural and morphological characterization of CeO2 \u2013 ZnO nanosized powder systems from Pechini\u2019s method", "date": "2005", "keywords": "ceo2; fig; oxide; particles; powder; systems; zno", "summary": "Therefore, during TEM analysis, EDS (energy-dispersive spectroscopy) was performed in order to investigate individual particles in an attempt to establish some relationship between particle size and composition. The reflectance rate of pure CeO2 is lower than that of the other samples.", "mime": "application/pdf"}, {"id": "ecletica-453", "words": "4224", "extension": ".pdf", "flesch": "53", "author": "Matos, Geraldo Domingues; Tarley, C\u00e9sar Ricardo Teixeira; Ferreira, S\u00e9rgio Luis Costa; Arruda, Marco Aur\u00e9lio Zezzi", "title": "Use of experimental design in the optimisation of a solid phase preconcentration system for Cobalt determination by GFAAS", "date": "2005", "keywords": "buffer; cobalt; design; factorial; flow; l-1; point; preconcentration; system", "summary": "Although preconcentration factor is considered the most usual procedure to evaluate the performance of preconcentration system, this concept cannot be used alone because, in general, higher preconcentration factors are obtained when high sample volume preconcentration are employed. Consumptive index is expressed by volume of analyte solution Vs and the PF ratio (CI = Vs/PF), thus indicating the necessary volume to attain one unit of preconcentration factor.", "mime": "application/pdf"}, {"id": "ecletica-454", "words": "3705", "extension": ".pdf", "flesch": "60", "author": "Profeti, Luciene Paula Roberto; Profeti, Demetrius; Olivi, Paulo", "title": "Atividade eletrocatal\u00edtica de eletrodos compostos por Pt, RuO2 e SnO2 para a eletrooxida\u00e7\u00e3o de formalde\u00eddo e \u00e1cido f\u00f3rmico", "date": "2005", "keywords": "atividade; contendo; corrente; eletrodos; figura; f\u00f3rmico; oxida\u00e7\u00e3o; para; pela; pico; potenciais; que; sno2; \u00e1cido; \u00e1rea", "summary": "Na Figura 2 est\u00e1 mostrado o comportamen- to da densidade de corrente de pico de oxida\u00e7\u00e3o do \u00e1cido f\u00f3rmico em fun\u00e7\u00e3o da composi\u00e7\u00e3o do eletrodo, tanto normalizada pela \u00e1rea geom\u00e9trica (Figura 2A) como pela \u00e1rea real, isto \u00e9, valores de corrente divididos pela \u00e1rea estimada pelos picos de dessor\u00e7\u00e3o de hidrog\u00eanio (Figura 2 B). Pt e indicaram que a composi\u00e7\u00e3o Pt0,6Ru0,2Sn0,2Oy possui maior densidade de corrente de oxida\u00e7\u00e3o em potenciais inferiores ao potencial de pico.", "mime": "application/pdf"}, {"id": "ecletica-455", "words": "4008", "extension": ".pdf", "flesch": "60", "author": "Barbosa, Glauciane do Nascimento; Graeff, Carlos Frederico de Oliveira; Oliveira, Herenilton Paulino", "title": "Thermal annealing effects on vanadium pentoxide xerogel films", "date": "2005", "keywords": "annealing; conductivity; figure; pentoxide; sample; treatment; vanadium; water; xerogel", "summary": "Keywords: vanadium pentoxide xerogel; conductivity; X-ray diffraction; electrochemistry. In addition, the conductivity of vanadium pentoxide xerogel enables its utilization in many systems such as rechargeable cathodic material, electrochromic devices, and electrochemical sensors [5-7].", "mime": "application/pdf"}, {"id": "ecletica-456", "words": "3649", "extension": ".pdf", "flesch": "59", "author": "Gotardo, Mara Andr\u00e9ia; Pezza, Leonardo; Pezza, Helena Redigolo", "title": "Determination of hydrochlorothiazide in pharmaceutical formulations by diffuse reflectance spectroscopy", "date": "2005", "keywords": "acid; analysis; factors; heating; hydrochlorothiazide; reaction; reflectance; spot; test", "summary": "The proposed method associates the advantages of diffuse reflectance spectroscopy (which overcomes interference problems derived from excipients present in the pharmaceutical formulations shown by UV spectrophotometric methods) and spot test analysis (which reduces solvent usage and shortens analysis time). EQ-vol30n02 - 02.pmd 17 Volume 30, n\u00famero 2, 2005 www.scielo.br/eq Ecl. Qu\u00edm., S\u00e3o Paulo, 30(2): 17-24, 2005 Determination of hydrochlorothiazide in pharmaceutical formulations by diffuse reflectance spectroscopy M. A. Gotardo, L. Pezza, H. R. Pezza* Instituto de Qu\u00edmica-UNESP, P.O. Box 355, CEP 14801-970 Araraquara, SP, Brazil * E-mail address: hrpezza@iq.unesp.br Abstract: This paper describes a method for quantitative spot test analysis of hydrochlorothiazide using diffuse reflectance spectroscopy.", "mime": "application/pdf"}, {"id": "ecletica-457", "words": "2536", "extension": ".pdf", "flesch": "62", "author": "Mendes, Roni Ant\u00f4nio; Bannach, Gilbert; Ionashiro, Elias Yuki; Ionashiro, Massao", "title": "Synthesis, characterization and thermal studies of solid state 4-methylbenzylidenepyruvate of some trivalent metal ions", "date": "2005", "keywords": "compounds; curves; dta; loss; thermal", "summary": "This behavior was also observed during the dehydration of lanthanides and yttrium compounds with other phenyl-substituted derivatives of benzylidenepyruvate, and it seems to be characteristic of compounds obtained in amorphous state EQ-vol30n02 - 03.pmd 25 Volume 30, n\u00famero 2, 2005 www.scielo.br/eq Ecl. Qu\u00edm., S\u00e3o Paulo, 30(2): 25-30, 2005 Synthesis, characterization and thermal studies of solid state 4-methylbenzylidenepyruvate of some trivalent metal ions R.A. Mendes, G. Bannach, E.Y. Ionashiro, M. Ionashiro* Instituto de Qu\u00edmica, UNESP, CP 355, CEP 14801-970, Araraquara, SP, Brazil *Corresponding author: massaoi@iq.unesp.br Abstract: Solid state compounds of 4-methylbenzylidenepyruvate with Al(III), Ga(III), In(III) and Sc(III) have been synthesized.", "mime": "application/pdf"}, {"id": "ecletica-458", "words": "2253", "extension": ".pdf", "flesch": "69", "author": "Fungaro, Denise Alves; Izidoro, Juliana de Carvalho; Almeida, Renata da Silva", "title": "Remo\u00e7\u00e3o de compostos t\u00f3xicos de solu\u00e7\u00e3o aquosa por adsor\u00e7\u00e3o com ze\u00f3lita sintetizada a partir de cinzas de carv\u00e3o", "date": "2005", "keywords": "adsor\u00e7\u00e3o; carv\u00e3o; cinzas; com; das; dos; foi; para; ze\u00f3lita", "summary": "Os dados de adsor\u00e7\u00e3o foram ajustados pe- los modelos de Langmuir e Freundlich que s\u00e3o os mais freq\u00fcentemente usados para descrever isotermas para aplica\u00e7\u00f5es em tratamento de \u00e1guas e efluentes [17-18]. Os dados n\u00e3o se ajustaram aos modelos de adsor\u00e7\u00e3o de Langmuir e Freundlich.", "mime": "application/pdf"}, {"id": "ecletica-459", "words": "3014", "extension": ".pdf", "flesch": "60", "author": "Tomita, In\u00eas Noriko; Manzoli, Alexandra; Fertonani, Fernando Luis; Yamanaka, Hideko", "title": "Amperometric biosensor for ascorbic acid", "date": "2005", "keywords": "acid; ascorbate; ascorbic; buffer; flow; l-1; mol; oxidase; phosphate", "summary": "Once the flow rate was optimized, the pH influence on the biosensor response was investigated and the analytical curves was constructed using the amperometric measurements performed by injecting 50 \u00b5L of ascorbic acid solution from concentration of 1.3 10-4 to 3.0 10-2 mol L-1, respectively. The relationship between current intensity and ascorbic acid concentrations are represented in the Figure 4.", "mime": "application/pdf"}, {"id": "ecletica-46", "words": "5698", "extension": ".pdf", "flesch": "56", "author": "Santos, D\u00e9bora Silva; da Silva, Ilna Gomes; Barbosa, Maria do Carmo Lacerda; Nascimento, Maria do Desterro Soares Brand\u00e3o; Costa, Maria C\u00e9lia Pires", "title": "Par\u00e2metros de qualidade f\u00edsico-qu\u00edmica de \u00f3leos e an\u00e1lise morfom\u00e9trica de frutos e sementes da esp\u00e9cie Orbignya phalerata Martius por regi\u00e3o ecol\u00f3gica", "date": "2016", "keywords": "acidez; am\u00eandoas; baba\u00e7u; com; de baba\u00e7u; dos; frutos; imp; martius; para; pen; phalerata; por; slz; s\u00e3o; \u00edndice; \u00f3leo", "summary": "As exporta\u00e7\u00f5es brasileiras de am\u00eandoa e de \u00f3leo de baba\u00e7u t\u00eam aumentado nos \u00faltimos anos, devido \u00e0s suas aplica\u00e7\u00f5es industriais, tais como; alimentos, detergentes, biocosm\u00e9ticos e tamb\u00e9m para a produ\u00e7\u00e3o de biodiesel 4,7-8 . Os resultados obtidos para o \u00edndice de refra\u00e7\u00e3o do \u00f3leo de baba\u00e7u da esp\u00e9cie O. phalerata Martius oriundos dos munic\u00edpios SLZ, IMP, PEN e FOR est\u00e3o em conformidade com as normas nacionais e internacionais, ficando somente as amostras RIA e EPT abaixo dos padr\u00f5es estabelecidos.", "mime": "application/pdf"}, {"id": "ecletica-460", "words": "3285", "extension": ".pdf", "flesch": "54", "author": "de Castro, Gustavo Rocha; Padilha, Cilene do Carmo Federici; Rocha, J\u00falio Cesar; Valente, Jos\u00e9 Pedro Serra; Florentino, Ariovaldo de Oliveira; Padilha, Pedro Magalh\u00e3es", "title": "Lability of Cd, Cr, Cu, Mn and Pb complexed by aquatic humic substances", "date": "2005", "keywords": "cell; hss; ions; metal; pab", "summary": "Therefore, investigations into the exchange/complexation processes between HSs and metal ions are of great interest when studying the hydrogeochemical turnover of metal ions in natural waters. The Cell- PAB ion-exchanger has proved to be a highly efficient collector with fast kinetics for traces of metal ions dissolved in aqueous saline solutions", "mime": "application/pdf"}, {"id": "ecletica-461", "words": "3626", "extension": ".pdf", "flesch": "58", "author": "Bergamini, M\u00e1rcio Fernando; de Oliveira, Fernando Castro Motta; Zanoni, Maria Valnice Boldrin", "title": "An\u00e1lise voltam\u00e9trica do corante t\u00eaxtil do tipo antraquinona empregando eletrodos de carbono impresso", "date": "2005", "keywords": "carbono; corante; eletrodo; forma; grupo; impresso; para; pico; que; rb4; reativo; redu\u00e7\u00e3o; s\u00e3o; uma", "summary": "Estas rea\u00e7\u00f5es s\u00e3o favorecidas em con- di\u00e7\u00f5es alcalinas e temperatura de 80\u00baC, as quais tam- b\u00e9m propiciam rea\u00e7\u00f5es paralelas entre o grupo reativo e grupos OH- proveniente dos \u00e1lcalis no banho de tintura, levando as denominadas rea\u00e7\u00f5es de hidr\u00f3lise, que inativam o grupo reativo frente \u00e0 fibra. Deste modo m\u00e9todos anal\u00edticos capazes de analisar os corantes em ambas as formas, original e hidrolisada em banhos de tintura e \u00e1guas de rejeito s\u00e3o importantes tanto para a ind\u00fastria t\u00eaxtil, como para os \u00f3rg\u00e3os fiscalizadores destes compostos como contaminantes em efluentes aqu\u00e1ticos e \u00e1guas de reservat\u00f3rio que abastecem a popula\u00e7\u00e3o.", "mime": "application/pdf"}, {"id": "ecletica-462", "words": "3666", "extension": ".pdf", "flesch": "62", "author": "Lobo, Fabiana Aparecida; Villafranca, Ana Cristina; de Oliveira, Adriana Paiva; de Moraes, Mercedes", "title": "Sistema TS-FF-AAS com chama acetileno-ar como alternativa em rela\u00e7\u00e3o \u00e0 chama acetileno-\u00f3xido nitroso em FAAS na determina\u00e7\u00e3o de estanho", "date": "2005", "keywords": "aas; amostra; chama; com; como; foi; l-1; para; que; sistema; tubo", "summary": "EQ-vol30n02 - 08.pmd 61 Volume 30, n\u00famero 2, 2005 www.scielo.br/eq Ecl. Qu\u00edm., S\u00e3o Paulo, 30(2): 61-68, 2005 Sistema TS-FF-AAS com chama acetileno-ar como alternativa em rela\u00e7\u00e3o \u00e0 chama acetileno-\u00f3xido nitroso em FAAS na determina\u00e7\u00e3o de estanho F. A. Lobo1, A. C.Villafranca1, A. P. de Oliveira1, M. de Moraes1* 1Instituto de Qu\u00edmica \u2013 Universidade Estadual Paulista, UNESP, CP 355, CEP 14801-970 Araraquara \u2013SP mermorae@.iq.unesp.br Resumo: Este trabalho prop\u00f5e o desenvolvimento de um procedimento anal\u00edtico para a determina\u00e7\u00e3o em linha de estanho em solu\u00e7\u00f5es anal\u00edticas empregando a t\u00e9cnica de espectrometria de absor\u00e7\u00e3o at\u00f4mica com nebuliza\u00e7\u00e3o t\u00e9rmica em tubo met\u00e1lico aquecido na chama (TS-FF-AAS) O objetivo deste trabalho \u00e9 desenvolver uma alternativa de procedimento anal\u00edtico para a deter- mina\u00e7\u00e3o em linha de estanho empregando o siste- ma de espectrometria de absor\u00e7\u00e3o at\u00f4mica com for- no aquecido na chama acetileno-ar (TS-FF-AAS) em rela\u00e7\u00e3o \u00e0 chama acetileno-\u00f3xido nitroso con- vencionalmente utilizada em FAAS.", "mime": "application/pdf"}, {"id": "ecletica-463", "words": "3931", "extension": ".pdf", "flesch": "64", "author": "Villa, Ricardo Dalla; Nogueira, Raquel Ferandes Pupo", "title": "Uso de rea\u00e7\u00f5es de Fenton na remedia\u00e7\u00e3o de solo contaminado com p,p\u2019 DDT", "date": "2005", "keywords": "com; contaminante; ddt; degrada\u00e7\u00e3o; experimentos; fenton; ferro; foi; foram; lama; nos; por; que; sem; solo; solu\u00e7\u00e3o; uma", "summary": "Nos primeiros 10 minutos de experi- mento a vaz\u00e3o de inje\u00e7\u00e3o no tubo injetor foi de 50 mL min-1, quando o solo foi completamente umede- cido. Com isso, no Brasil proces- sos de remedia\u00e7\u00e3o de solos envolvendo rea\u00e7\u00f5es de Fenton provavelmente necessitar\u00e3o da adi\u00e7\u00e3o de ferro sol\u00favel.", "mime": "application/pdf"}, {"id": "ecletica-464", "words": "3791", "extension": ".pdf", "flesch": "66", "author": "Lizcano-Valbuena, William Hernando; Perez, Joelma; Paganin, Valdecir Antonio; Gonzalez, Eva Ruth", "title": "Evaluation of gas diffusion electrodes as detectors in amperometric hydrogen sensors", "date": "2005", "keywords": "electrode; hydrogen; media; sensors", "summary": "W. H. Lizcano-Valbuena**, J. Perez, V. A. Paganin, E. R. Gonzalez* Instituto de Qu\u00edmica de S\u00e3o Carlos, Universidade de S\u00e3o Paulo, C. P. 780, CEP 13560-970, S\u00e3o Carlos \u2013 SP *Corresponding author:E-mail: ernesto@iqsc.usp.br, FAX: 55 - 16 - 3373 9952 **Present address: Departamento de Quimica, Universidad del Valle Calle 13 # 100-00 Ciudad Universitaria Melendez, Cali - Colombia Abstract: This work is directed to the study and evaluation of gas diffusion electrodes as detectors in hydrogen sensors. Keywords: hydrogen sensors; amperometric sensors; gas diffusion electrodes; hydrogen oxidation; supported platinum.", "mime": "application/pdf"}, {"id": "ecletica-465", "words": "3260", "extension": ".pdf", "flesch": "62", "author": "Vallejo, Adriana Cossu; de Siqueira, Adriano Buzutti; Rodrigues, \u00c9rica Alvarenga Crespo; Ionashiro, Elias Yuki; Bannach, Gilbert; Ionashiro, Massao", "title": "Synthesis, characterization and thermal studies on solid 3-methoxybenzoate of some bivalent transition metal ions", "date": "2005", "keywords": "acid; compounds; curves; dsc; dta; thermal", "summary": "Spectroscopic data for 3-methoxybenzoic acid (HL), sodium 3-methoxybenzoate (NaL), and compounds with some bivalent metal ionsa. The procedure used to synthesize these compounds permitted to verify that compound little soluble (copper one) was obtained without contamination, and that the contamination occurs during the evaporation of the compounds solutions, due to the aggregation phenomenon.", "mime": "application/pdf"}, {"id": "ecletica-466", "words": "3242", "extension": ".pdf", "flesch": "43", "author": "Silva, Dulce Helena Siqueira; Pereira, Francisco Claudece; Yoshida, Massayoshi; Zanoni, Maria Valnice Boldrin", "title": "Electrochemical evaluation of lipophilic antioxidants from Iryanthera juruensis fruits (Myristicaceae)", "date": "2005", "keywords": "antioxidant; compounds; juruensis; oxidation; peak; reduction; tocopherol; tocotrienols", "summary": "The existence of good correlation between the antioxidant activities and oxidation potentials for natural and synthetic compounds[10,11], explain the great interest to investigate the ox-redox properties of these classes 16 Ecl. Qu\u00edm., S\u00e3o Paulo, 30(3): 15-21, 2005 of compounds. The comparison between the voltammetric behavior of vitamin E and tocotrienol extracted from I. Juruensis fruits have shown good correlations between antioxidant activity and low oxidation potential.", "mime": "application/pdf"}, {"id": "ecletica-467", "words": "2817", "extension": ".pdf", "flesch": "59", "author": "Ribeiro, Paulo Roberto da Silva; Pezza, Leonardo; Pezza, Helena Redigolo", "title": "Spectrophotometric determination of methyldopa in pharmaceutical formulations", "date": "2005", "keywords": "anal; determination; formulations; method; mtd; pharmaceutical", "summary": "Many spectrophotometric methods have been proposed for the determination of catecholamines, such as MTD [4-7, 18-32]. These graphs or the corresponding linear least squares equations are used to convert absorbance into MTD concentration, for any analyzed sample.", "mime": "application/pdf"}, {"id": "ecletica-468", "words": "3149", "extension": ".pdf", "flesch": "61", "author": "dos Santos, M\u00e1rcio Luiz; Florentino, Ariovaldo de Oliveira; Saeki, Margarida Juri; Aparecida, Anahi Herrera; Lia Fook, Marcus Vinicius; Guastaldi, Antonio Carlos ", "title": "S\u00edntese de hidroxiapatita pelo m\u00e9todo sol-gel utilizando precursores alternativos: nitrato de c\u00e1lcio e \u00e1cido fosf\u00f3rico", "date": "2005", "keywords": "com; c\u00e1lcio; dos; para; por; que; sol; s\u00e3o; uma", "summary": "FT-IR dos p\u00f3s de HA calcinados em diferentes temperaturas e comparadas com uma HA comerci- al: (a) comercial, (b) 700\u00b0C, (c) 500\u00b0C, (d) 300\u00b0C 33Ecl. Hwang e Lim recobriram substratos de Si (100) com hidroxiapatita utilizando o m\u00e9todo sol- gel proveniente dos precursores nitrato de c\u00e1lcio e \u00e1cido fosf\u00f3rico como fontes de Ca e P dissolvidos em metanol e como t\u00e9cnica de deposi\u00e7\u00e3o o spin- coating.", "mime": "application/pdf"}, {"id": "ecletica-469", "words": "5203", "extension": ".pdf", "flesch": "62", "author": "Alc\u00e2ntara, Ant\u00f4nio Fl\u00e1vio de Carvalho; Silveira, Damaris; Chiari, Egler; de Oliveira, Alaide Braga; Guimar\u00e3es, Jo\u00e3o Edmundo; Raslan, Delio Soares", "title": "Comparative analysis of the trypanocidal activity and chemical properties of E-lychnophoric acid and its derivatives using theoretical calculations", "date": "2005", "keywords": "activity; blyp/6; calculations; conformers; dft; values", "summary": "[2] K. S. Calabrese, A. S. R. C. Paradela, T. Z. Valle, R. C. Todesco, L. Leonardo, R. A. Mortara, S. C. G. Costa. [3] K. S. Calabrese, A. S. R. C. Paradela, T. Z. Valle, R. C. Todesco, L. Leonardo, R. A. Mortara, S. C.G. Costa.", "mime": "application/pdf"}, {"id": "ecletica-470", "words": "3813", "extension": ".pdf", "flesch": "63", "author": "Silva, F\u00e1bio Arlindo; de Alc\u00e2ntara, Ilton Luiz; Roldan, Paulo dos Santos; Padilha, Cilene do Carmo Federici; de Ara\u00fajo, Adriana Barbosa; Valente, Jos\u00e9 Pedro Serra; Florentino, Ariovaldo de Oliveira; Padilha, Pedro Magalh\u00e3es", "title": "Determination of Hg in water by CVAAS using 2-aminothiazole modified silica", "date": "2005", "keywords": "flow; hg(ii; l-1; mercury; mol; preconcentration; samples", "summary": "Flow Injection System for mercury preconcentration by cold vapor atomic absorption spectrometry: 1 \u2013 peristaltic pump; 2 \u2013 injection valve-1; 3 \u2013 aqueous discharge; 4 \u2013 mini-column; 5 \u2013 loop-L R ; 6 \u2013 reaction cell; 7 \u2013 injection valve-2; 8 \u2013 injection valve-3; 9 \u2013 N 2 flow; 10 \u2013 AAS flow cell; 11 \u2013 aqueous discharge; 12 \u2013mercury vapor discharge in 0.50 mol L-1 KMnO 4 /H 2 SO 4 4 mol L-1 solution. Effect of pH on mercury preconcentration in the mini-column packed with 100 mg of SiAT.", "mime": "application/pdf"}, {"id": "ecletica-471", "words": "2409", "extension": ".pdf", "flesch": "54", "author": "Angelo, Antonio Carlos Dias; Jorge, Sonia Maria Alves; Stradiotto, Nelson Ramos", "title": "Electrochemical evidence of sulfinic acid derivative as an intermediate in the reduction of aromatic sulfonyl chloride in an aprotic medium", "date": "2005", "keywords": "cyclic; nbscl; peak; process; reduction; sulfinic", "summary": "However, sulfinic acid derivatives are normally observed as intermediates or products of a wide range of electrochemical reactions. Influence of the sweep rate on the current function (i p /v1/2) for electrochemical reduction of NBSCl in DMSO at 25oC. (A) peak I; (B) peak II; and (C) peak III. 61Ecl.", "mime": "application/pdf"}, {"id": "ecletica-472", "words": "4440", "extension": ".pdf", "flesch": "52", "author": "Martins, Fernando Grine; de Andrade, Jose Fernando; Pimenta, Adriano Cesar; Louren\u00e7o, Leandro Marangheti; Castro, Jorge Ricardo Moreira; Balbo, Valdir Roberto", "title": "Spectrophotometric study of iron oxidation in the iron(II)/thiocyanate/acetone system and some analytical applications", "date": "2005", "keywords": "conditions; iron; iron(ii; l-1; mmol; oxidation; system; thiocyanate", "summary": "EQ-vol30n03 - 08.pmd 63 Volume 30, n\u00famero 3, 2005 www.scielo.br/eq Ecl. Qu\u00edm., S\u00e3o Paulo, 30(3): 63-71, 2005 Spectrophotometric study of iron oxidation in the iron(II)/thiocyanate/acetone system and some analytical applications F. G. Martins, J. F. Andrade, A. C. Pimenta, L. M. Louren\u00e7o, J. R. M. Castro, V. R. Balbo Departamento de Qu\u00edmica, FFCLRP-USP, Av. Bandeirantes, 3900 (Campus da USP), 14040-901, Ribeir\u00e3o Preto, SP, Brazil. As for interfering ions, only NO 2 -, S 2 O 3 2-, C 2 O 4 2-, HPO 4 2-, H 2 PO 4 -, Co2+ and Cu2+ showed some influence on iron determination through the proposed method.", "mime": "application/pdf"}, {"id": "ecletica-473", "words": "2440", "extension": ".pdf", "flesch": "69", "author": "de Oliveira, Jos\u00e9 Dilson Silva; Barilli, Deocl\u00e9cio Jos\u00e9; Hamer, Marisa; Siqueira, Onofre Salgado; Ionashiro, Massao", "title": "Estudo do comportamento t\u00e9rmico dos compostos de Ag+ e Pb2+ com o ligante 1,4-bis(3-carb\u00f3xi-3-oxo-prop-1-enil)benzeno", "date": "2005", "keywords": "com; composto; curva; massa; para", "summary": "Finalmente, verifica- se uma exoterma entre 400 e 520oC, com picos a 455\u00b0C e a 494\u00b0C, correspondendo a intenso fluxo de calor relativo \u00e0 terceira etapa de perda de massa do ligante verificada na curva TG, com a forma\u00e7\u00e3o de PbO. 76 Ecl. Qu\u00edm., S\u00e3o Paulo, 30(3): 73-77, 2005 O espectro de FT-IR do composto de Pb2+ (Fig. 06) A segunda etapa de perda de massa (calc.:", "mime": "application/pdf"}, {"id": "ecletica-474", "words": "2554", "extension": ".pdf", "flesch": "58", "author": "de Sousa, Rog\u00e9rio Adelino; Semaan, Felipe Silva; Baio, Jos\u00e9 Augusto Fragale; Cavalheiro, \u00c9der Tadeu Gomes", "title": "Fast determination of minoxidil by photometric flow titration", "date": "2005", "keywords": "kmno; l-1; minoxidil; mol; solutions; s\u00e3o; titration", "summary": "The KMnO 4 solution exhibits absorption between 450 and 600 nm, while minoxidil solution and commercial formulation do not absorbs in the visible region. The best titration results were observed at 3.20 x 10-4 mol L-1 KMnO 4 and 1.00 x 10-3 mol L-1 minoxidil, using the minoxidil solutions as titrant.", "mime": "application/pdf"}, {"id": "ecletica-475", "words": "3683", "extension": ".pdf", "flesch": "60", "author": "Valente, Jos\u00e9 Pedro Serra; Ara\u00fajo, Adriana Barbosa; Bozano, Dorot\u00e9ia de F\u00e1tima; Padilha, Pedro Magalh\u00e3es; Florentino, Ariovaldo de Oliveira", "title": "S\u00edntese e caracteriza\u00e7\u00e3o textural do catalisador CeO2 /TiO2 obtido via sol-gel: fotocat\u00e1lise do composto modelo hidrogenoftalato de pot\u00e1ssio", "date": "2005", "keywords": "catalisador; ceo; com; dos; foi; para; por; que; sol; s\u00e3o; tio; uma", "summary": "Departamento de Ci\u00eancias de Materiais\u2013 Instituto de F\u00edsica, Universidade de S\u00e3o Paulo. EQ-vol30n04 - 01.pmd 26/12/2005, 19:179 10 Ecl. Qu\u00edm., S\u00e3o Paulo, 30(4): 7-12, 2005 Resultados e discuss\u00e3o Os valores de \u00e1rea espec\u00edfica BET, volumes e di\u00e2metros m\u00e9dios de poros dos materiais estudados s\u00e3o apresentados na Tabela I. Observa- se que a \u00e1rea espec\u00edfica e o volume de poro aumentam cerca de 160% e 125% respectivamente quando o teor molar de CeO 2 varia de 0% para 5%.", "mime": "application/pdf"}, {"id": "ecletica-476", "words": "2845", "extension": ".pdf", "flesch": "63", "author": "Aparecida, Anahi Herrera; Fook, Marcus Vinicius Lia; dos Santos, M\u00e1rcio Luiz; Guastaldi, Antonio Carlos", "title": "Influ\u00eancia dos \u00edons K+ e Mg2+ na obten\u00e7\u00e3o de apatitas biomim\u00e9ticas", "date": "2005", "keywords": "apatita; cm-1; drx; por; que; recobrimento; sbf; vibracional", "summary": "Os resultados obtidos por DRX do recobrimento ap\u00f3s o tratamento t\u00e9rmico mostram uma mistura de fases de b- TCP, OCP, fosfato de magn\u00e9sio Conclus\u00f5es Os recobrimentos obtidos sem o tratamento t\u00e9rmico em todas as solu\u00e7\u00f5es SBF tiveram a mesma composi\u00e7\u00e3o de apatita, variando somente quanto ao tipo de substitui\u00e7\u00e3o dos \u00edons carbonato.", "mime": "application/pdf"}, {"id": "ecletica-477", "words": "3291", "extension": ".pdf", "flesch": "64", "author": "de Carvalho, Cl\u00e1udio Teodoro; de Siqueira, Adriano Buzutti; Rodrigues, Emanuel Carlos; Ionashiro, Massao", "title": "Synthesis, characterization and thermal behaviour of solid-state compounds of 2-methoxybenzoate with some bivalent transition metal ions", "date": "2005", "keywords": "compounds; curves; dta; meo; thermal", "summary": "[8]; the thermal and spectral behaviour on solid compounds of benzoates and its methoxy derivates with rare earth elements [9-12, 14, 15-17] ; the vibrational and electronic spectroscopic study of lanthanides and effect of sodium on the aromatic system of benzoic acid The results led to have information about the composition, dehydration, thermal stability and thermal decomposition of the isolated compounds.", "mime": "application/pdf"}, {"id": "ecletica-478", "words": "3111", "extension": ".pdf", "flesch": "56", "author": "Guerra, Denis Lima; Lemos, Vanda Porpino; Fernandes, Erlyson Farias; Ang\u00e9lica, R\u00f4molo Sim\u00f5es; da Costa, Marcondes Lima", "title": "Influ\u00eancia da temperatura de forma\u00e7\u00e3o do \u00edon de Keggin no processo de pilariza\u00e7\u00e3o de esmectitas", "date": "2005", "keywords": "amostras; argila; com; das; esmectita; foram; para; pilares; pilarizadas; pilc; que; temperatura", "summary": "Centro de Geoci\u00eancias (CG) \u2013 Universidade Federal do Par\u00e1 - UFPA-Par\u00e1-Pa * dlguerra@ufpa.br Resumo: As amostras de esmectita do estado do Par\u00e1, Amaz\u00f4nia, Brasil foram caracterizados utilizando XRD, FTIR e an\u00e1lise textural por curvas isot\u00e9rmicas adsorpition-desorption nitrog\u00eanio. Este \u00e9 o comportamento esperado para a concentra\u00e7\u00e3o do Al no Al 13 , conforme apontam os dados obtidos experimentalmente, onde foram avaliadas as concentra\u00e7\u00f5es de Al nas esp\u00e9cies monom\u00e9rica, Al 13 e polim\u00e9rica a partir de solu\u00e7\u00f5es aquosas de cloridrato de alum\u00ednio preparadas em diferentes temperaturas.", "mime": "application/pdf"}, {"id": "ecletica-479", "words": "5364", "extension": ".pdf", "flesch": "71", "author": "Barbosa, Luiz Cl\u00e1udio de Almeida; Maltha, Celia Regina Alvares; Demuner, Antonio Jacinto; Silva, Vanessa Lopes; de Oliveira, Fabricio Marques; e Borges, Eduardo Euclydes de Lima", "title": "Fitotoxicidade de novos \u00e1lcoois e alquenos derivados do 2\u03b1,4\u03b1-dimetil-8-oxabiciclo[3.2.1]oct-6-en-3-ona", "date": "2005", "keywords": "alquenos; com; dos; foi; foram; j c; rmn; \u00e1lcoois", "summary": "Os carbonos olef\u00ednicos foram devidamente identificados nos espectros de RMN de 13C dos alquenos. Desdobramento de sinais tamb\u00e9m foi observado nos espectros de RMN de 13C dos alquenos 17-19.", "mime": "application/pdf"}, {"id": "ecletica-480", "words": "3405", "extension": ".pdf", "flesch": "62", "author": "Vaghetti, Julio Cesar Pacheco; Brasil, Jorge de Lima; Costa, Tania Maria Haas; Lima, \u00c9der Cl\u00e1udio; Benvenutti, Edilson Valmir", "title": "Influence of the synthesis conditions on the characteristics and metal adsorption properties of the 3-(1,4-phenylenediamine)propylsilica xerogel", "date": "2005", "keywords": "metal; mmol; sample; xerogel", "summary": "The presence of the organic component of the hybrid materials can be by confirmed by the elemental CHN analysis, which showed 0.6 and 0.5 mmol of organic groups per gram of xerogel for samples A and B respectively. Thus, considering the surface organic coverage, the best sample is the A, that has 89 % of the total organics (0.6 mmol g-1, Table 1), in opened pores, corresponding to 0.53 mmol of available organic groups per gram of xerogel, while sample B presents only 65 % of total organics (0.5 mmol g-1, Table 1) in opened pores, corresponding to only 0.33 mmol of available organic groups per gram of xerogel (Table 2).", "mime": "application/pdf"}, {"id": "ecletica-481", "words": "3550", "extension": ".pdf", "flesch": "52", "author": "Barthus, Rosangela Cristina; Mazo, Luiz Henrique; Poppi, Ronei Jesus", "title": "Determina\u00e7\u00e3o simult\u00e2nea de NADH e \u00e1cido asc\u00f3rbico usando voltametria de onda quadrada com eletrodo de carbono v\u00edtreo e calibra\u00e7\u00e3o multivariada", "date": "2005", "keywords": "amostras; asc\u00f3rbico; calibra\u00e7\u00e3o; com; dados; das; dos; foi; l-1; modelo; nadh; oxida\u00e7\u00e3o; para; pls; que; s\u00e3o; uma; vari\u00e1veis; \u00e1cido", "summary": "no modelo de calibra\u00e7\u00e3o ao inv\u00e9s de um \u00fanico valor e ainda existe a possibilidade de detec\u00e7\u00e3o de amostras an\u00f4malas (\u201coutliers\u201d) que depois de identificadas podem ser removidas do modelo. Qu\u00edm., S\u00e3o Paulo, 30(4): 51-58, 2005 de 0,62 V e um outro pequeno pico em potencial de 1,5 V que n\u00e3o mostra altera\u00e7\u00f5es significativas quando do aumento da concentra\u00e7\u00e3o de NADH.", "mime": "application/pdf"}, {"id": "ecletica-482", "words": "3000", "extension": ".pdf", "flesch": "60", "author": "Pinto, Frederico Garcia; Rey, Ulisses Vilela; Ansaloni, L\u00edlian M\u00e1rcia Silva; Andrada, Daniel; da Silva, Jos\u00e9 Bento Borba", "title": "Determina\u00e7\u00e3o de c\u00e1dmio em amostras de urina e soro humano por espectrometria de absor\u00e7\u00e3o at\u00f4mica em forno de grafite usando ir\u00eddio como modificador permanente", "date": "2005", "keywords": "com; como; c\u00e1dmio; determina\u00e7\u00e3o; foi; foram; modificador; para; por; que; soro; urina; usando", "summary": "EQ-vol30n04 - primeiras pags.pmd 59 Volume 30, n\u00famero 4, 2005 www.scielo.br/eq Ecl. Qu\u00edm., S\u00e3o Paulo, 30(4): 59-65, 2005 Determina\u00e7\u00e3o de c\u00e1dmio em amostras de urina e soro humano por espectrometria de absor\u00e7\u00e3o at\u00f4mica em forno de grafite usando ir\u00eddio como modificador permanente F. G. Pinto, U. V. Rey, L. M. S. Ansaloni, D. Andrada, J. B. B. Silva* Departamento de Qu\u00edmica, Universidade Federal de Minas Gerais, Avenida Ant\u00f4nio Carlos 6627, 31270-901 Belo Horizonte, MG, Brazil. Na determina\u00e7\u00e3o de Cd em sangue e soro, amostras foram dilu\u00eddas por adi\u00e7\u00e3o de 0,015 % (w/v) de Triton X-100 e 0,1 % (w/ v) de dihidrogenofosfato de am\u00f4nio, que foram introduzidos diretamente dentro do tubo de grafite.", "mime": "application/pdf"}, {"id": "ecletica-483", "words": "2673", "extension": ".pdf", "flesch": "56", "author": "Hung, Chin-Yin; Huang, Han-Hung; Hwang, Ching-Chiang", "title": "Chiral separations of mandelic acid by HPLC using molecularly imprinted polymers", "date": "2005", "keywords": "acid; imprinting; mandelic; mip; molecules; phase; resolution; styrene; template", "summary": "In a 250ml conical Erlenmeyer flask, mandelic acid (0.0152 g) or phenylalanine (0.0165g), methacrylic acid (0.682 ml), EGDMA (4.72ml) and AIBN (0.02g) were dissolved in 5 ml chloroform. EQ-vol30n04 - primeiras pags.pmd 67 Volume 30, n\u00famero 4, 2005 www.scielo.br/eq Ecl. Qu\u00edm., S\u00e3o Paulo, 30(4): 67-73, 2005 Chiral separations of mandelic acid by HPLC using molecularly imprinted polymers Chin-Yin Hunga, Han-Hung Huangb, Ching-Chiang Hwangc\u00ff a,cDepartment of Biotechnology, National Formosa University, Huwei , Yunlin, 632, Taiwan bDepartment of Food Science, National Chung Hsing University, Taichung, 400, Taiwan \u00ffCorresponding author:", "mime": "application/pdf"}, {"id": "ecletica-484", "words": "2973", "extension": ".pdf", "flesch": "64", "author": "da Rosa, Mauricio Ferreira; Savariz, Franciele Cristina", "title": "S\u00edntese e estudo da fotoestabilidade de derivados azalact\u00f4nicos encapsulados em \u03b2-ciclodextrina", "date": "2005", "keywords": "aza2; com; figura; foi; isopropanol; para; que; solu\u00e7\u00e3o; s\u00e3o; tempo; uma", "summary": "O rendimento da rea\u00e7\u00e3o foi de 60% (PF: 186- 189 oC \u2013 lit. Para a irradia\u00e7\u00e3o das amostras foi empregada uma l\u00e2mpada de merc\u00fario de 80W.", "mime": "application/pdf"}, {"id": "ecletica-485", "words": "3917", "extension": ".pdf", "flesch": "64", "author": "Coelho, Nivia Maria Melo; Baccan, Nivaldo", "title": "Determina\u00e7\u00e3o de ultratra\u00e7os de sel\u00eanio em urina por gera\u00e7\u00e3o de hidretos e espectrometria de absor\u00e7\u00e3o at\u00f4mica em fluxo", "date": "2004", "keywords": "amostras; com; concentra\u00e7\u00e3o; de sel\u00eanio; determina\u00e7\u00e3o; foi; foram; hcl; ml-1; para; por; que; sel\u00eanio; urina; vaz\u00e3o", "summary": "A certifica\u00e7\u00e3o do m\u00e9todo foi avaliada para an\u00e1lises de material de refer\u00eancia de urina SRM 2670 (valor certificado: 30,0\u00b18,0 ng mL-1 e valor obtido: 27,0\u00b12,0 ng mL-1). As amostras de urina de material certifica- do SRM 2670 (n\u00edvel normal e n\u00edvel elevado de sel\u00eanio) foram reconstitu\u00eddas, adicionando 20,0 mL de \u00e1gua desionizada em cada frasco.", "mime": "application/pdf"}, {"id": "ecletica-486", "words": "4950", "extension": ".pdf", "flesch": "68", "author": "Santini , Alberto Opperman; da Silva J\u00fanior, Elias Severo; Pezza, Helena Redigolo; Pezza, Leonardo", "title": "Determina\u00e7\u00e3o de par\u00e2metros f\u00edsico-qu\u00edmicos com um sensor potenciom\u00e9trico sens\u00edvel ao \u00edon p-aminobenzoato", "date": "2004", "keywords": "aminobenzoato; com; como; eletrodo; foi; for\u00e7a; i\u00f4nica; l-1; mol; pab; para; por; potencial; que; uma; valor", "summary": "Os valores experimentais de for\u00e7a eletromotriz, E cel , numa dada for\u00e7a i\u00f4nica (I total = X molL-1, 0,700 mol L-1 \u00a3 X \u00a3 3,000 molL-1 ajustado com NaClO 4 ) foram obtidos pela adi\u00e7\u00e3o sucessiva de incrementos constantes de volumes (0,200 mL at\u00e9 um total de 5,000 mL) de uma solu\u00e7\u00e3o 0,100 mol L-1 de p-aminobenzoato de s\u00f3dio (pH = 7,0, I total = X mol L-1 em NaClO 4 ) [14] prop\u00f5e que o coeficiente de atividade de uma esp\u00e9cie i na presen\u00e7a de um excesso de um 21Ecl.", "mime": "application/pdf"}, {"id": "ecletica-487", "words": "2030", "extension": ".pdf", "flesch": "60", "author": "Nachtigall, Francine Furtado; Nome, Faruk; Lazzarotto, M\u00e1rcio", "title": "Mobilidade conformacional de complexos entre calix[4]arenos e aminas: evid\u00eancias para estruturas exo-calix", "date": "2004", "keywords": "aminas; am\u00f4nio; calix[4]areno; calixareno; com; entre; hidrog\u00eanio; mais; para; que; valores", "summary": "Conclus\u00e3o Os dados de deslocamento qu\u00edmico e de temperatura de coalesc\u00eancia confirmam a forma- \u00e7\u00e3o de sais com estrutura exo-c\u00e1lix do c\u00e1tion am\u00f4nio em rela\u00e7\u00e3o \u00e0 cavidade do calix[4]areno, e que a intera\u00e7\u00e3o entre o calixarenato e o \u00edon am\u00f4nio se d\u00e1 pela forma\u00e7\u00e3o de liga\u00e7\u00f5es de hidrog\u00eanio en- tre as hidroxilas fen\u00f3licas e o H-N+ do am\u00f4nio. Os dados de temperatura de coalesc\u00eancia obtidos para diversas aminas est\u00e3o sumarizados na tabela 2: Tabela 2 - Temperatura de coalesc\u00eancia dos hidrog\u00eanios metil\u00eanicos do calix[4]areno na presen\u00e7a de aminas A an\u00e1lise dos valores obtidos para t c revela que as varia\u00e7\u00f5es foram pequenas para as diferen- tes aminas, e s\u00e3o adequadas com uma estrutura de sal exo de am\u00f4nio e calixareno, uma vez que para complexos endo seriam esperados efeitos impor- tantes tanto nos valores de deslocamento qu\u00edmico dos hidrog\u00eanios do calix[4]areno quanto nos valo- res de temperatura de coalesc\u00eancia. 29Ecl.", "mime": "application/pdf"}, {"id": "ecletica-488", "words": "3153", "extension": ".pdf", "flesch": "60", "author": "Bannach, Gilbert; Schnitzler, Egon; Melios, Cristo Bladimiros; Ionashiro, Massao", "title": "Synthesis and thermal studies of solid state 2-chloro- benzylidenepyruvic acid and its compounds with sodium, aluminium (III), gallium (III) and indium (III) cations", "date": "2004", "keywords": "acid; compounds; curves; dta; dtg; mass", "summary": "34 Ecl. Qu\u00edm., S\u00e3o Paulo, 29(1): 31-40, 2004 Table 1 - Thermoanalytical (TG) Results Immediately after the dehydration the TG curves suggest mass losses in two overlapping consecutive steps, although the DTG curves show mass losses in three or four overlapping consecutive or simultaneous steps through a rather complex pathway, as can be seen in the Figs. 4(a)\u201312(a). X-ray powder patterns were obtained by using a Siemens D-500 X-ray diffractometer, employing Cu K? radiation (?=1.541 \u00c5) and setting of 40 kV and 20 mA. Simultaneous TG-DTA and DSC curves were recorded on a model SDT 2960 and 2010 thermal analysis system from TA Instruments.", "mime": "application/pdf"}, {"id": "ecletica-489", "words": "3115", "extension": ".pdf", "flesch": "69", "author": "de Campos, Sandro Xavier; Sanches, S\u00e9rgio Marcos; Falone, Sandra Zago; Vieira, Eny Maria", "title": "Influ\u00eancia da taxa de dose na degrada\u00e7\u00e3o do herbicida \u00e1cido diclorofen\u00f3xiac\u00e9tico (2,4-d) por meio da radia\u00e7\u00e3o gama do cobalto-60", "date": "2004", "keywords": "com; degrada\u00e7\u00e3o; dose; h-1; herbicida; kgy; metanol; para; que; s\u00e3o; taxa; uma; \u00e1gua", "summary": "Tabela 1 - G-valores e raz\u00e3o de degrada\u00e7\u00e3o para o herbicida 2,4-D irradiado em \u00e1gua e metanol, nas taxas de doses de 2,7 and 5-60 kGy h-1. Com mesma dose e taxas de doses diferentes o pico referente ao 2,4-D (tempo de re- ten\u00e7\u00e3o de 7,5 min.) mostrou uma maior \u00e1rea quan- do se utilizou a taxa de dose menor (2,7 kGy h-1).", "mime": "application/pdf"}, {"id": "ecletica-49", "words": "350", "extension": ".pdf", "flesch": "33", "author": "Benedetti, Assis Vicente", "title": "Editorial Board", "date": "2018", "keywords": "brazil; prof", "summary": "Sul, UFRGS, RS, Brazil Prof. Enric Brillas, Facultat de Qu\u00edmica, Universitat de Barcelona, Spain Prof. Ver\u00f3nica Cort\u00e9s de Zea Bermudez, Escola de Ci\u00eancias da Vida e do Ambiente,Universidade de Tr\u00e1s- os-Montes e Alto Douro, Vila Real, Portugal Prof. Lauro Kubota, Instituto de Qu\u00edmica, Universidade Estadual de Campinas, Unicamp, SP, Brazil Prof. Ivano Gerardt Rolf Gutz, Instituto de Qu\u00edmica, Universidade de S\u00e3o Paulo, USP, SP, Brazil Prof. Jos\u00e9 Ant\u00f4nio Maia Rodrigues, Faculdade de Ci\u00eancias, Universidade do Porto, Portugal Prof. Bayardo Baptista Torres, Instituto de Qu\u00edmica, Universidade de S\u00e3o Paulo, USP, SP, Brazil Ecl\u00e9tica Qu\u00edmica Journal 2016 http://revista.iq.unesp.br/ojs/index.php/ecletica/", "mime": "application/pdf"}, {"id": "ecletica-490", "words": "3777", "extension": ".pdf", "flesch": "63", "author": "dal Bosco, Sandra Maria; Jimenez, Ricardo Sarti; Carvalho, Wagner Alves", "title": "Aplica\u00e7\u00e3o da ze\u00f3lita natural escolecita na remo\u00e7\u00e3o de metais pesados de efluentes industriais: competi\u00e7\u00e3o entre os c\u00e1tions e processo de dessor\u00e7\u00e3o", "date": "2004", "keywords": "adsor\u00e7\u00e3o; cd(ii; com; cr(iii; c\u00e1tions; dos; escolecita; foi; metais; ni(ii; para; por; que; s\u00e3o; troca; uma; valores", "summary": "A remo\u00e7\u00e3o de metais de efluentes aquosos tem sido feita, na maior parte, pela precipita\u00e7\u00e3o na forma de hidr\u00f3xidos por meio de adi\u00e7\u00e3o de CaO. Embora esse m\u00e9todo seja relativamente simples e barato, gera um grande volume de rejeitos cuja disposi\u00e7\u00e3o \u00e9 perigosa e de alto custo, al\u00e9m de n\u00e3o produzir um efluente com conte\u00fado de metais pe- sados suficientemente baixo [12]. A aplica\u00e7\u00e3o de ze\u00f3litas naturais em escala industrial tem sido li- mitada \u00e0 remo\u00e7\u00e3o de am\u00f4nia de efluentes aquosos municipais e, em menor extens\u00e3o, \u00e0 remo\u00e7\u00e3o de Cs e Sr de efluentes radioativos", "mime": "application/pdf"}, {"id": "ecletica-491", "words": "2265", "extension": ".pdf", "flesch": "67", "author": "Moro, Antonio Carlos; Mauro, Antonio Eduardo; Ananias, Sandra Regina", "title": "Clivagem dos ciclopaladados dim\u00e9ricos [Pd(dmba)(m-X)]2 (dmba = N,N-dimetilbenzilamina; X = Cl, N3 , NCO) por tiour\u00e9ia", "date": "2004", "keywords": "compostos; coordena\u00e7\u00e3o; dos; nco; tiour\u00e9ia", "summary": "2- Principais freq\u00fc\u00eancias, em cm-1, da tiour\u00e9ia (tu) observadas nos espectros Tais fatos motivaram o interesse no emprego desta mol\u00e9cula neste trabalho, o qual contemplou as rea\u00e7\u00f5es da tiour\u00e9ia com os ciclopaladados", "mime": "application/pdf"}, {"id": "ecletica-492", "words": "3469", "extension": ".pdf", "flesch": "72", "author": "Fungaro, Denise Alves", "title": "Determina\u00e7\u00e3o voltam\u00e9trica de Cd e Pb usando eletrodo modificado com polianilina sulfonada", "date": "2004", "keywords": "abs; com; dos; eletrodo; filme; foi; l-1; mol; para", "summary": "Qu\u00edm., S\u00e3o Paulo, 29(1): 63-69, 2004 Volume 29, n\u00famero 1, 2004 www.scielo.br/eq Determina\u00e7\u00e3o voltam\u00e9trica de Cd e Pb usando eletrodo modificado com polianilina sulfonada D. A. Fungaro1 1Centro de Qu\u00edmica e Meio Ambiente \u2013 Instituto de Pesquisas Energ\u00e9ticas e Nucleares \u2013 IPEN CEP 05422-970 \u2013 S\u00e3o Paulo \u2013 SP \u2013 Brasil Resumo: A co-polimeriza\u00e7\u00e3o eletroqu\u00edmica de misturas de anilina e \u00e1cido 3-aminobenzenosulf\u00f4nico foi realizada por voltametria c\u00edclica em solu\u00e7\u00e3o de \u00e1cido sulf\u00farico. O eletrodo mostrou uma sensibilidade aos metais quando comparada aquela do eletrodo de filme de merc\u00fario n\u00e3o mo- dificado, assim, a cobertura polim\u00e9rica n\u00e3o conse- guiu proteger a superf\u00edcie de interferentes.", "mime": "application/pdf"}, {"id": "ecletica-493", "words": "1681", "extension": ".pdf", "flesch": "72", "author": "Schnitzler, Egon; Kobelnik, Marcelo; Sotelo, Gabriel Federico Calle; Bannach, Gilbert; Ionashiro, Massao", "title": "Thermoanalytical study of purine derivatives compounds", "date": "2004", "keywords": "curves; dta; fig; sample", "summary": "The first endothermic peak at 140\u00baC is attributed to elimination of ethyllenediamine and in agreement with the first mass loss of TG curve. The formula of these compounds are shown in scheme I TG, DTG and DTA curves were obtained by using a simultaneous SDT 2960 from TA Instruments.", "mime": "application/pdf"}, {"id": "ecletica-494", "words": "2599", "extension": ".pdf", "flesch": "53", "author": "Vieira, Heberth Juliano; Fatibello-Filho, Orlando", "title": "Flow injection spectrophotometric determination of adrenaline using a solid-phase reactor containing triiodide ions immobilized in an anion-exchange resin", "date": "2004", "keywords": "adrenaline; flow; l-1; mol; reactor; resin; solution", "summary": "The reference solutions containing from 6.4 x 10-6 to 3.0 x 10-4 mol L-1 adrenaline were prepared by dilutions of appropriated volumes of reference stock solution with 0.2 mol L-1 phosphate buffer solution (pH 7.0). Several flow injection procedures have already been used for adrenaline determination using different detectors such as spectrophotometric [7,19-21], chemiluminescent", "mime": "application/pdf"}, {"id": "ecletica-495", "words": "3439", "extension": ".pdf", "flesch": "56", "author": "Vieira, Iolanda Cruz; Fatibello-Filho, Orlando; Granato, Ana Claudia; Lupetti, Karina Omuro", "title": "Titula\u00e7\u00e3o amperom\u00e9trica de compostos fen\u00f3licos usando polifenol oxidase de vegetal como titulante", "date": "2004", "keywords": "catecol; como; concentra\u00e7\u00e3o; eletrodo; enzima; fen\u00f3licos; foi; l-1; mol; oxidase; oxig\u00eanio; para; polifenol; s\u00e3o; uma", "summary": "no intervalo de concentra\u00e7\u00e3o de 2,5x10-5 a 2,3x10-4 mol L-1 de catecol. H\u00e1 necessidade do tratamento de efluentes que possuem esses compostos antes do lan\u00e7amento no meio ambiente, uma vez que estes", "mime": "application/pdf"}, {"id": "ecletica-496", "words": "1616", "extension": ".pdf", "flesch": "63", "author": "Bariccatti, Reinaldo Aparecido; da Rosa, Maur\u00edcio Ferreira; de Oliveira, Jos\u00e9 Dilson Silva", "title": "Fotoqu\u00edmica e fotof\u00edsica do \u00e1cido 1,4-bis(3-carb\u00f3xi-3-oxo-prop-1-enil)benzeno", "date": "2004", "keywords": "1,4; bis(3; com; figura; foi; para; uma; \u00e1cido", "summary": "Figura 3 - Gr\u00e1fico com os valores de absorv\u00e2ncia em 346nm e regress\u00e3o linear para obten\u00e7\u00e3o do coeficiente de extin\u00e7\u00e3o molar (36.457 L mol-1 cm-1). Utilizou-se balan\u00e7a anal\u00edtica para pesagem das al\u00edquotas de solu\u00e7\u00e3o m\u00e3e e de \u00e1gua destilada adicionada, para maior precis\u00e3o no c\u00e1lculo das concentra\u00e7\u00f5es (Figuras 2 e 3).", "mime": "application/pdf"}, {"id": "ecletica-497", "words": "3193", "extension": ".pdf", "flesch": "55", "author": "da Silva, Milady Renata Apolin\u00e1rio; de Oliveira, Mirela Cristina; Nogueira, Raquel Fernandes Pupo", "title": "Estudo da aplica\u00e7\u00e3o do processo foto-Fenton solar na degrada\u00e7\u00e3o de efluentes de ind\u00fastria de tintas", "date": "2004", "keywords": "ap\u00f3s; cod; com; dos; efluentes; foi; foram; fotodegrada\u00e7\u00e3o; hidrog\u00eanio; irradia\u00e7\u00e3o; minutos; para; per\u00f3xido; processo; que; remo\u00e7\u00e3o; uma", "summary": "Para o efluente B, adi\u00e7\u00f5es m\u00faltiplas de per\u00f3xido de hidrog\u00eanio foram necess\u00e1rias para aumentar a remo\u00e7\u00e3o de COD, 43 % em 60 minutos de irradia\u00e7\u00e3o. Para o efluente A, atingiu-se 75 % de remo\u00e7\u00e3o de COD durante 60 minutos de irradia\u00e7\u00e3o.", "mime": "application/pdf"}, {"id": "ecletica-498", "words": "2324", "extension": ".pdf", "flesch": "68", "author": "Muraoka, Teresa Kazuko; Zutin, K\u00e1tia; Ananias, Sandra Regina; Mauro, Antonio Eduardo; Nogueira, Vania Martins; Rechenberg, Herc\u00edlio Rodolfo", "title": "Investiga\u00e7\u00e3o por espectroscopia M\u00f6ssbauer de compostos de ferro(0) contendo dissulfeto de carbono", "date": "2004", "keywords": "chem; com; compostos; cs2; dos; fe(co)2(h; foram; m\u00f6ssbauer", "summary": "Introdu\u00e7\u00e3o A Espectroscopia M\u00f6ssbauer constitui-se numa t\u00e9cnica bastante \u00fatil na caracteriza\u00e7\u00e3o de compostos organomet\u00e1licos de ferro, visto que dela s\u00e3o extra\u00eddas informa\u00e7\u00f5es relevantes sobre a liga\u00e7\u00e3o qu\u00edmica e estrutura molecular Os resultados de espectroscopia M\u00f6ssbauer, juntamente com dados no IV e de RMN de 31P, foram conclusivos na proposi\u00e7\u00e3o da geometria octa\u00e9drica distorcida ao redor do \u00e1tomo de ferro para ambos os compostos investigados.", "mime": "application/pdf"}, {"id": "ecletica-499", "words": "3624", "extension": ".pdf", "flesch": "59", "author": "Roldan, Paulo dos Santos; de Alc\u00e2ntara, Ilton Luiz; Rocha, J\u00falio Cesar; Padilha, Cilene do Carmo Federici; Padilha, Pedro Magalh\u00e3es", "title": "Determination of Copper, Iron, Nickel and Zinc in fuel kerosene by FAAS after adsorption and pre-concentration on 2-aminothiazole-modified silica gel", "date": "2004", "keywords": "cm3; column; ethanol; gel; ions; metal; preconcentration; siat; silica; solution", "summary": "The sorption-desorption of the studied metal ions made possible the development of a preconcentration method for metal ions at trace level in kerosene using flame AAS for their quantification. Keywords: preconcentration; modified silica gel; metal ions; fuel kerosene; FAAS determination. _________________________________________________________________________________", "mime": "application/pdf"}, {"id": "ecletica-50", "words": "353", "extension": ".pdf", "flesch": "43", "author": "Benedetti, Assis Vicente", "title": "Editorial", "date": "2018", "keywords": "ecl\u00e9tica; qu\u00edmica", "summary": "da Ecl\u00e9tica Qu\u00edmica, implicando em mudan\u00e7as significativas na sua linha editorial. Muitos foram os pesquisadores de universidades e centros de pesquisa brasileiros, bem como alguns do exterior, que encontraram na Ecl\u00e9tica Qu\u00edmica um peri\u00f3dico consistente e respeit\u00e1vel para a divulga\u00e7\u00e3o de seus resultados cient\u00edficos.", "mime": "application/pdf"}, {"id": "ecletica-500", "words": "2793", "extension": ".pdf", "flesch": "63", "author": "Garcia, Jos\u00e9 Uires; dos Santos, Harlen In\u00e1cio; Fialho, Afonso Pereira; Tejerina-Garro, Francisco Leonardo; Antoniosi Filho, Nelson Roberto; Leles, Maria Ines Gon\u00e7alves", "title": "Estudo da estabilidade t\u00e9rmica de \u00f3leos de peixes em atmosfera de nitrog\u00eanio", "date": "2004", "keywords": "dos; estabilidade; para; peixes; por; que; s\u00e3o; temperatura; t\u00e9rmica; uma; \u00e1cidos; \u00f3leos", "summary": "Tal dificuldade tem origem na complexidade das amostras de \u00f3leo de peixe, sendo que, mesmo a utiliza\u00e7\u00e3o da Cromatografia Gasosa Capilar a Altas Temperaturas (HT-CGC), a qual permite a separa\u00e7\u00e3o dos triacilglicer\u00eddeos pelo comprimento da cadeia e grau de insatura\u00e7\u00e3o[2], seria, tamb\u00e9m, comprometida considerando o fato de que os triacilglicer\u00eddeos precisariam ser elu\u00eddos em temperaturas superiores a 450\u00b0C (estabilidade da 45Ecl. A gordura de baba\u00e7u apresenta um maior teor de triacilglicer\u00eddeos contendo \u00e1cidos graxos com menor comprimento de cadeia16 e, por isso, sua volatiliza\u00e7\u00e3o se inicia e termina em temperaturas inferiores \u00e0s temperaturas de in\u00edcio e final de volatiliza\u00e7\u00e3o do \u00f3leo de dend\u00ea, apesar de o \u00f3leo de dend\u00ea apresentar um maior teor de \u00e1cidos graxos insaturados[24] e de estes serem mais inst\u00e1veis e vol\u00e1teis que os \u00e1cidos graxos saturados.", "mime": "application/pdf"}, {"id": "ecletica-501", "words": "2109", "extension": ".pdf", "flesch": "60", "author": "de Moraes, Solange Leite; Landgraf, Maria Diva; Rezende, Maria Olimpia de Oliveira", "title": "Caracteriza\u00e7\u00e3o de \u00e1cidos h\u00famicos de diferentes origens por eletroforese capilar de zona", "date": "2004", "keywords": "borato; com; cze; dos; para; por; tamp\u00e3o; uma", "summary": "Sendo assim, se duas amostras de HA exibem o mesmo comportamento em um campo el\u00e9trico, ent\u00e3o essas amostras apresentam praticamente a mesma raz\u00e3o carga/tamanho [8,9]. As amostras de HA foram dissolvidas em uma pequena quantidade de NaOH 0,1 mol/L e o volume completado com \u00e1gua deionizada para obter a concentra\u00e7\u00e3o de 1mg/mL de HA.", "mime": "application/pdf"}, {"id": "ecletica-502", "words": "1332", "extension": ".pdf", "flesch": "63", "author": "Ionashiro, Elisa Yuki; Hewer, Thiago Lewis Reis; Fertonani, Fernando Luis; de Almeida, Eduardo Tonon; Ionashiro, Massao", "title": "Application of differential scanning calorimetry in hair samples as a possible tool in Forensic Science", "date": "2004", "keywords": "curves; dsc; hair", "summary": "Abstract: The Differential Scanning Calorimetry (DSC) was used to study the thermal behavior of hair samples and to verify the possibility of identifying an individual based on DSC curves from a data bank. Thus to sought an individual, under incognito participant of this data bank, was identified using DSC curves.", "mime": "application/pdf"}, {"id": "ecletica-503", "words": "3043", "extension": ".pdf", "flesch": "59", "author": "Soares, Jo\u00e3o da Paix\u00e3o; dos Santos, Jose Estrela; Chierice, Gilberto Orivaldo; Cavalheiro, \u00c9der Tadeu Gomes", "title": "Thermal behavior of alginic acid and its sodium salt", "date": "2004", "keywords": "acid; air; decomposition; figure; heating; sodium; water", "summary": "Abstract: An evaluation of hydration and thermal decomposition of HAlg and its sodium salt is described using thermogravimetry (TG) and differential scanning calorimetry (DSC). Thermal decomposition data of the HAlg and NaAlg under N2 and air atmosphere 61Ecl.", "mime": "application/pdf"}, {"id": "ecletica-504", "words": "3449", "extension": ".pdf", "flesch": "66", "author": "Ramos, Luiz Ant\u00f4nio; Cassiano, Neila Maria; Capelato, Milton Duffles", "title": "Utiliza\u00e7\u00e3o de um eletrodo de grafite recoberto com PbO 2 incorporado em matriz de PVC como eletrodo indicador em titula\u00e7\u00f5es coulom\u00e9tricas", "date": "2004", "keywords": "anal; chem; com; como; coulom\u00e9tricas; eletrodo; foi; grafite; indicador; para; pbo2; pvc; s\u00e3o; titula\u00e7\u00f5es; uma; \u00edons", "summary": "No presente trabalho estudou-se a aplica\u00e7\u00e3o de um eletrodo sens\u00edvel \u00e0 \u00edons H3O +, pelo recobrimento de um eletrodo de grafite com uma membrana polim\u00e9rica contendo PbO2 incorporado em uma matriz de PVC (75% (m/m) de PbO2 e 25% (m/m) de PVC), como eletrodo indicador em titula\u00e7\u00f5es coulom\u00e9tricas de neutraliza\u00e7\u00e3o. EA940) com precis\u00e3o de \u00b1 0,1 mV. Resultados e Discuss\u00e3o No desenvolvimento deste trabalho utilizou-se um eletrodo indicador contendo 75% (m/m) de PbO2 e 25% (m/m) de PVC na composi\u00e7\u00e3o da membrana uma vez que, em estudos pr\u00e9vios realizados por Cassiano et al.", "mime": "application/pdf"}, {"id": "ecletica-505", "words": "4669", "extension": ".pdf", "flesch": "60", "author": "de Moraes, Fabr\u00edcio Vieira; de Alc\u00e2ntara, Ilton Luiz; Roldan, Paulo dos Santos; de Castro, Gustavo Rocha; Margionte, Maur\u00edcio Alberto Lemos; Padilha, Pedro de Magalh\u00e3es", "title": "Determina\u00e7\u00e3o de Cd por FAAS em meio aquoso ap\u00f3s pr\u00e9-concentra\u00e7\u00e3o em linha sobre SiAT", "date": "2003", "keywords": "aminotiazol; cd(ii; com; concentra\u00e7\u00e3o; dos; foi; foram; gel; l-1; para; por; que; siat; sor\u00e7\u00e3o; s\u00e3o; s\u00edlica; \u00edons", "summary": "s\u00e3o devidas as intera\u00e7\u00f5es c\u00e1tion-\u00e2nion, que interferem negativamente na transfer\u00eancia dos \u00edons met\u00e1licos da solu\u00e7\u00e3o para os s\u00edtios de coordena\u00e7\u00e3o da SiAT. A capacidade m\u00e1xima de adsor\u00e7\u00e3o de \u00edons Cd(II) determinada para SiAT foi de 1,12 mmol g-1 .", "mime": "application/pdf"}, {"id": "ecletica-506", "words": "2402", "extension": ".pdf", "flesch": "66", "author": "Bannach, Gilberto; Schnitzler, Egon; Ionashiro, Massao", "title": "Synthesis, characterization and thermal behaviour of solid state compounds of 2-chlorobenzylidenepyruvate with trivalent aluminium, gallium, indium and scandium metals", "date": "2003", "keywords": "compounds; solid; state", "summary": "IONASHIRO, M. Preparation and thermal decomposition of solid state compounds of 4- dimethylaminocinnamylidenepyruvate with trivalent lan- thanides and yttrium. The preparation and thermal decomposition of solid state compounds of 4- dimethylaminobenzylidenepyruvate and trivalent lan- thanides and yttrium.", "mime": "application/pdf"}, {"id": "ecletica-507", "words": "3260", "extension": ".pdf", "flesch": "56", "author": "Vercik, Luci Cristina de Oliveira; de Assis, Camila Molena; Lia Fook, Marcus Vinicius; dos Santos, M\u00e1rcio Luiz; Guastaldi, Antonio Carlos ", "title": "Recobrimento de apatitas \u201cin vitro\u201d sobre tit\u00e2nio \u2013 influ\u00eancia do tratamento t\u00e9rmico", "date": "2003", "keywords": "apatita; com; dos; para; que; recobrimento; solu\u00e7\u00e3o; superf\u00edcie; s\u00e3o; tratamentos; uma", "summary": "Esta t\u00e9cnica denominada biomim\u00e9tico, foi utilizada para modificar a superf\u00edcie do Ti-cp atrav\u00e9s do dep\u00f3sito de uma camada de apatita. Acima de 700 \u00b0C, os recobrimentos de apatita mostraram-se mais cristalinos apresentando uma mistura de fases de hidroxiapatita, fosfato octac\u00e1lcico e fosfato de magn\u00e9sio.", "mime": "application/pdf"}, {"id": "ecletica-508", "words": "2852", "extension": ".pdf", "flesch": "66", "author": "Adorno, Antonio Tallarico; Benedetti, Assis Vicente; da Silva, Ricardo Alexandre Galdino; Blanco, Matildes", "title": "Influence of the Al content on the phase transformations in Cu-Al-Ag alloys", "date": "2003", "keywords": "alloys; peak; phase", "summary": "Keywords: phase transitions; martensitic transformation; Cu-Al-Ag alloys. Resumo A influ\u00eancia da concentra\u00e7\u00e3o de Al nas transforma\u00e7\u00f5es de fase em ligas de Cu-Al-Ag foi estudada por an\u00e1lise t\u00e9rmica diferencial cl\u00e1ssica (ATD), microscopia \u00f3ptica (MO) e difratometria de raios X (DRX).", "mime": "application/pdf"}, {"id": "ecletica-509", "words": "2626", "extension": ".pdf", "flesch": "56", "author": "Ribeiro, Paulo Roberto da Silva; Santini, Alberto Oppermann; Pezza, Helena Redigolo; Pezza, Leonardo", "title": "Potentiometric determination of captopril in pharmaceutical formulations", "date": "2003", "keywords": "captopril; determination; formulations; method; potentiometric", "summary": "[22] SANGHAVI, N. M.; SAMARTH, M. M.; MATHARU, R.; SINGH, P. S. Colorimetric estimation of captopril and its formulations. [7] EL-ASHRY, S. M.; IBRAHIM, F. A. Colorimetric de- termination of captopril in dosage forms.", "mime": "application/pdf"}, {"id": "ecletica-51", "words": "5353", "extension": ".pdf", "flesch": "58", "author": "Barcellos, Ivonete Oliveira; de Lima, Thyego; Blosfeld, Ana Maria", "title": "Determina\u00e7\u00e3o do n\u00famero de ciclos de reuso do adsorvente cinza de casca de arroz no tratamento de um banho residual de tingimento t\u00eaxtil", "date": "2016", "keywords": "adsorvente; adsor\u00e7\u00e3o; amostra; arroz; banho; casca; ciclo; cinzas; com; como; cor; corantes; dos; efici\u00eancia; foi; foram; para; por; que; qu\u00edmica; residual; resultados; tempo; tingimento; tratamento; t\u00eaxtil; uma", "summary": "Ahmad e Hameed [5] apresentaram resultados de remo\u00e7\u00e3o m\u00e1xima de DQO de 75,2% em seus experimentos de tratamento de efluentes t\u00eaxteis reais atrav\u00e9s de processo de adsor\u00e7\u00e3o com carv\u00e3o ativado de restos de bambu. [27], avaliando o m\u00e9todo Fenton na biodegradabilidade de efluente do beneficiamento t\u00eaxtil (purga e tingimento) de malhas de PES, obtiveram redu\u00e7\u00f5es menores de DQO, variando de 55 a 11% dependendo das condi\u00e7\u00f5es de tratamento e da natureza do efluente quanto \u00e0 origem purga ou tingimento.", "mime": "application/pdf"}, {"id": "ecletica-510", "words": "5008", "extension": ".pdf", "flesch": "64", "author": "Canduri, Fernanda; da Silveira, Nelson Jos\u00e9 Freitas; C\u00e2mera Junior, Jo\u00e3o Carlos; de Azevedo J\u00fanior, Walter Filgueira", "title": "Structural bioinformatics study of cyclin-dependent kinases complexed with inhibitors", "date": "2003", "keywords": "cdk1; cdk2; cdk5; cdk9; flavopiridol; hydrogen; roscovitine; structure", "summary": "Furthermore, the molecular fork identified in CDK2 structures seems to be conserved in the CDK1, CDK5 and CDK9 models, and being also involved in hydrogen bonds with the inhibitors, this suggests that CDK1, 5, and 9 may also be strongly inhibited by other CDK2 inhibitors. The CDK structures are constituted of two lobes and two strong salt bridges are observed in- volving Glu 92 - Lys 20 and Glu 92 - Lys 29 in the CDK9:Flavopiridol structure.", "mime": "application/pdf"}, {"id": "ecletica-511", "words": "3945", "extension": ".pdf", "flesch": "65", "author": "Rossi, Adriana Vitorino; Tubino, Matthieu", "title": "About the kinetics and mechanism of the reactions of 4-(2-pyridylazo) resorcinol, with Zn2+, Cu2+ and Zn2+ +Cu2+ equimolar mixtures, in aqueous solutions", "date": "2003", "keywords": "cu2; par; rate; reaction; solutions; water; zn2", "summary": "M+ HL M(HL) slow rate = r M(HL) + HL M(HL) fast rate = r 2+ + + - - 1 2 2 Table 8: Reaction rate constants for aqueous Zn2+ and Cu2+ (chlorides, sulfates and mixtures) solutions with aque- ous monoprotonated PAR, HL-,solutions, at 25.0 \u00b1 0.1 \u00b0C, in borate buffer, pH = 8.5. PAR solutions were prepared daily by direct weighing of the monosodium salt for disso- lution in the buffer solution.", "mime": "application/pdf"}, {"id": "ecletica-512", "words": "2603", "extension": ".pdf", "flesch": "54", "author": "Capela, Jorge Manuel Vieira; Capela, Marisa Veiga; Magnani, Romeu", "title": "Generaliza\u00e7\u00e3o de um modelo linear de imped\u00e2ncia eletroqu\u00edmica", "date": "2003", "keywords": "amplitude; com; fun\u00e7\u00e3o; imped\u00e2ncia; para; que; sistema; uma", "summary": "Na tabela 1 s\u00e3o apresentados os resultados e os intervalos de confian\u00e7a das estimativas dos par\u00e2metros fun\u00e7\u00e3o ),,,,( \u03b1\u03b1 CRRwZ P\u2126 .Como a estimativa do par\u00e2metro \u2126R apresentou excessivo erro relativo, este foi fixado em 60, observando-se o comportamento limite da parte real em altas freq\u00fc\u00eancias. [7,11]. , (1))sen()( wtEtE = Resumo Em geral, a fun\u00e7\u00e3o de um modelo de imped\u00e2ncia para processos de eletrodo simples \u00e9 deduzida de um modelo el\u00e9trico equivalente, denominado circuito de Randles.", "mime": "application/pdf"}, {"id": "ecletica-513", "words": "4141", "extension": ".pdf", "flesch": "58", "author": "de Santana, Renato Alexandre Costa; Prasad, Shiva; de Santana, Fran\u00e7ois Sandini Marques", "title": "Revestimento eletrol\u00edtico com uma liga amorfa de Ni-W-B, resistente \u00e0 corros\u00e3o e ao desgaste", "date": "2003", "keywords": "amorfa; banho; cat\u00f3dica; com; como; corrente; corros\u00e3o; densidade; eletrodeposi\u00e7\u00e3o; foi; ligas; mais; metal; para; por; que; ser; temperatura; uma", "summary": "Efeito da agita\u00e7\u00e3o mec\u00e2nica na efici\u00eancia de corrente cat\u00f3dica, utilizando o banho da Tabela 1, densidade de corrente de 30mA/cm2, temperatura de 70\u00baC. Efeito da temperatura Um aumento no valor da temperatura usualmente faz decrescer a polariza\u00e7\u00e3o, aumenta a concentra\u00e7\u00e3o de metal na camada de difus\u00e3o e pode afetar a efici\u00eancia de corrente cat\u00f3dica da deposi\u00e7\u00e3o do metal, particularmente aqueles depositados a partir de \u00edons complexos. Efeito da temperatura na efici\u00eancia de corrente cat\u00f3dica, utilizando o banho da Tabela 1, densidade de corrente de 30mA/cm2, agita\u00e7\u00e3o mec\u00e2nica de 20 rpm .", "mime": "application/pdf"}, {"id": "ecletica-514", "words": "4105", "extension": ".pdf", "flesch": "57", "author": "de Souza, Gledison Rog\u00e9rio; Fertonani, Fernando Luis; Pastre, Ieda Aparecida", "title": "Estudo espectro eletroqu\u00edmico de sistemas estruturados argila-corante", "date": "2003", "keywords": "chem; clay; com; ctacl; dos; eletrodo; figura; l-1; obtidos; para; regi\u00e3o", "summary": "Os espectros foram obtidos para os transientes, I x t, no intervalo de E2= 0,10 a \u20130,50 V, E= 20 mV, para tempo de amostragem de corrente, ta= 60 s, com exce\u00e7\u00e3o da curva 1 (aus\u00eancia de potencial aplicado (Eap.)) A Figura 2a) apresenta os VCs obtidos para o AM, 30 \u00b5mol L-1 em solu\u00e7\u00e3o de NaCl 0,050 mol L-1, para (0,050 \u2264 v \u2264 0,20)", "mime": "application/pdf"}, {"id": "ecletica-515", "words": "2857", "extension": ".pdf", "flesch": "56", "author": "Villafranca, Ana Cristina; de Moraes, Mercedes; Pezza, Leonardo", "title": "Avalia\u00e7\u00e3o e caracteriza\u00e7\u00e3o da pastilha sensora de um eletrodo de segunda esp\u00e9cie sens\u00edvel a oxalato", "date": "2003", "keywords": "0,700; das; eletrodo; figura; l-1; meio; mol; nano; oxalato; pastilha; sensora; solu\u00e7\u00e3o", "summary": "Influ\u00eancia do meio i\u00f4nico no potencial da c\u00e9lula utilizando os eletrodos Ag|AgCl|Cl- vs. Pt|Hg|Hg2Ox|Grafite, em fun\u00e7\u00e3o do tempo e em meio de: a) solu\u00e7\u00e3o de NaClO4, I = 0,700 mol L-1, b) solu\u00e7\u00e3o de NaClO4, I = 0,700 mol L-1 + ponta de esp\u00e1tula (cerca de 10 mg) de Hg2Ox e c) solu\u00e7\u00e3o de Na2Ox 5,9 10-2 mol L-1, I = 0,700 mol L-1 (NaClO4). Influ\u00eancia do meio i\u00f4nico no potencial da c\u00e9lula utilizando os eletrodos Ag|AgCl|Cl- vs. Pt|Hg|Hg2Ox|Grafite, em fun\u00e7\u00e3o do tempo e em meio de: a) solu\u00e7\u00e3o de NaNO3, I = 0,700 mol L-1, b) solu\u00e7\u00e3o de NaNO3, I = 0,700 mol L-1 + ponta de esp\u00e1tula (cerca de 10 mg) de Hg2Ox e c) solu\u00e7\u00e3o de Na2Ox 5,9 10-2 mol L-1, I = 0,700 mol L-1 (NaNO3).", "mime": "application/pdf"}, {"id": "ecletica-516", "words": "3373", "extension": ".pdf", "flesch": "62", "author": "Oshita, Daniele; de Oliveira, Adriana Paiva; Gomes Neto, Jos\u00e9 Anchieta; de Moraes, Mercedes", "title": "Determina\u00e7\u00e3o direta e simult\u00e2nea de Al, As, Fe, Mn e Ni em cacha\u00e7a por espectrometria de absor\u00e7\u00e3o at\u00f4mica em forno de grafite", "date": "2003", "keywords": "amostras; cacha\u00e7a; com; dos; foi; foram; grafite; l-1; para; tubo", "summary": "A exatid\u00e3o foi avaliada por meio de testes de adi\u00e7\u00e3o e recupera\u00e7\u00e3o dos analitos em 8 amostras de cacha\u00e7as comerciais, e as recupera\u00e7\u00f5es situaram-se nos seguintes intervalos: 80 - 105% (Al), 81 - 92% (As), 82 - 108% (Fe), 83 - 106% (Mn), 83 - 108% (Ni). Lamp (P/N 014F73CB) para detec\u00e7\u00e3o de Ni .", "mime": "application/pdf"}, {"id": "ecletica-517", "words": "3914", "extension": ".pdf", "flesch": "57", "author": "Paiva, Kati\u00facia Batista Silva; de Menezes, Manoel Lima", "title": "Avalia\u00e7\u00e3o do emprego dos adsorventes: carv\u00e3o ativo, chromosorb W e membrana C18 na prepara\u00e7\u00e3o de amostras de ar para a determina\u00e7\u00e3o de d-aletrina em ambientes fechados", "date": "2003", "keywords": "adsorventes; aletrina; ativo; atmosfera; carv\u00e3o; chromosorb; com; contendo; dos; foi; membrana; padr\u00e3o; para; que; sistema; s\u00e3o; uma; umidade", "summary": "Considerando-se os diferentes tipos de mecanismos de adsor\u00e7\u00e3o existentes entre a membrana C18 e os adsorventes Chromosorb e carv\u00e3o ativo, justifica-se o emprego de dois solventes com polaridades bem diferentes. Ap\u00f3s a determina\u00e7\u00e3o da concentra\u00e7\u00e3o da d-aletrina em diferentes dias da semana e condi\u00e7\u00f5es clim\u00e1ticas bem diferentes, obteve-se valores de 3,4., 8,5 e 12,7 \u00b5g.m3 de d-aletrina, em umidades de relativas de ar controladas, em 70,1 , 75,0 e 78,0% e temperaturas ambiente variando de 24 a 27 \u00baC, respectivamente.", "mime": "application/pdf"}, {"id": "ecletica-518", "words": "6030", "extension": ".pdf", "flesch": "58", "author": "Chaves, Jos\u00e9 Alberto Pestana; Ara\u00fajo, Marcelo Fernando Ant\u00e3o; Varela J\u00fanior, Jaldyr de Jesus Gomes; Tanaka, Auro Atsushi", "title": "Eletrocat\u00e1lise da rea\u00e7\u00e3o de redu\u00e7\u00e3o de oxig\u00eanio sobre eletrodos de grafite modificados com ftalocianina tetracarboxilada de ferro \u00a7", "date": "2003", "keywords": "com; como; dos; eletrodo; equa\u00e7\u00e3o; fetcpc; figura; gpb; journal; mol; oxig\u00eanio; para; paulo; por; que; rea\u00e7\u00e3o; redu\u00e7\u00e3o; sobre; solu\u00e7\u00f5es; s\u00e3o; uma", "summary": "(aus\u00eancia de qualquer efeito de transporte de massa) e da velocidade da rea\u00e7\u00e3o", "mime": "application/pdf"}, {"id": "ecletica-519", "words": "4256", "extension": ".pdf", "flesch": "60", "author": "de Giz, Martha Janete; Marengo, Melisa Caballal; Ticianelli, Edson Antonio; Gonzalez, Ernesto Rafael", "title": "Electrochemical and physical characterization of Ni-Cu-Fe alloy for chlor-alkali hydrogen cathodes", "date": "2003", "keywords": "bath; electrode; energy; figure; hydrogen; material", "summary": "The marked differences in the electronic properties and crystal symmetry of Ni atoms between the Ni-Cu-Fe alloy and pure Ni are certainly due to the coordination with Cu and Fe, but there is also a possibility that the changes of the edge features may come from the coordination of Ni or Fe with some oxi-hydroxides, and this can be discussed taking into account the XANES spectrum of Fe in a FeOOH sample shown in Fig. The load of Ni metals in the carbon paper was of the order of 5 mg cm-2.", "mime": "application/pdf"}, {"id": "ecletica-52", "words": "6464", "extension": ".pdf", "flesch": "59", "author": "de Sousa Filho, Jos\u00e9 Waldir; Pasotto, Marlei Barboza; Velasco, Nelson Diniz; Okura, M\u00f4nica Hitomi", "title": "Avalia\u00e7\u00e3o do efeito da irradia\u00e7\u00e3o micro-ondas no caldo de cana-de-a\u00e7\u00facar como tratamento preliminar para produ\u00e7\u00e3o de a\u00e7\u00facar e etanol", "date": "2016", "keywords": "a\u00e7\u00facar; brix; caldo; cana; clarifica\u00e7\u00e3o; com; como; cor; dos; ecl\u00e9tica; et al; figura; foi; food; micro; microwave; natura; n\u00e3o; ondas; para; por; pot\u00eancia; processo; produ\u00e7\u00e3o; que; qu\u00edmica; s\u00e3o; tratamento; turbidez; vol", "summary": "Pode-se concluir que micro-ondas, apesar de n\u00e3o ser um tratamento que promova a redu\u00e7\u00e3o da cor e da turbidez de forma significativa, \u00e9 uma forma de clarifica\u00e7\u00e3o do caldo de cana de a\u00e7\u00facar que requer um pr\u00e9-tratamento do caldo como, por exemplo, a decanta\u00e7\u00e3o com o uso de polieletr\u00f3litos eliminando a calagem e a sulfita\u00e7\u00e3o do processo de clarifica\u00e7\u00e3o. Outros autores tamb\u00e9m verificaram essa capacidade de inativa\u00e7\u00e3o como efetiva esteriliza\u00e7\u00e3o de Escherichia coli 25922 em cidra de ma\u00e7\u00e3 com micro-ondas em fluxo cont\u00ednuo (GENTRY; ROBERTS, 2004); redu\u00e7\u00e3o de Saccharomyces cerevisiae e Lactobacillus plantarum em suco de ma\u00e7\u00e3 (TAJCHAKAVIT; RAMASWAMY; FUSTIER, 1999); com pasteuriza\u00e7\u00e3o de sucos de ma\u00e7\u00e3s por micro-ondas sendo eficiente na inativa\u00e7\u00e3o de E. coli (CA\u00d1UMIR et al., 2001).", "mime": "application/pdf"}, {"id": "ecletica-520", "words": "6525", "extension": ".pdf", "flesch": "59", "author": "Motheo, Artur de Jesus; Saldanha, Rosangela Maria Pomp\u00f4nio; Neves, Rodrigo de Santis; de Robertis, Eveline; Sadkowski, Andrzej", "title": "Characteristics of pyridine adsorption on Au(111) and Au(210) by EIS parameters fitting procedure", "date": "2003", "keywords": "concentration; dm-3; electrode; mmol; peak; potential; pyridine; region; solution; surface; values", "summary": "[34], for Au(111) the most important feature in the double layer region of the CV is the occurrence of a peak that for a pyridine concentration of 1 mmol dm-3 occurs at around 0.3 V. When pyridine concentration increases this peak shifts to less positive values and may be associated to a bi-dimensional phase transition in the pyridine monolayer [35]. However, for pyridine concentrations higher than 1 mmol dm-3 the increase of the peaks is not significant.", "mime": "application/pdf"}, {"id": "ecletica-521", "words": "3583", "extension": ".pdf", "flesch": "58", "author": "Cabral, Murilo Feitosa; de Souza, Djenaine; Alves, Carlucio Roberto; Machado, Sergio Antonio Spinola", "title": "Estudo do comportamento eletroqu\u00edmico do herbicida ametrina utilizando a t\u00e9cnica de voltametria de onda quadrada", "date": "2003", "keywords": "ametrina; com; comportamento; corrente; dos; figura; l-1; mol; para; pico; potencial; que; s\u00e3o; uma", "summary": "Para a ametrina eles observaram que em meio de tamp\u00e3o fosfato pH 3,0 ela apresenta um pico de redu\u00e7\u00e3o em \u20131,04 V vs SCE e uma rela\u00e7\u00e3o linear entre a concentra\u00e7\u00e3o de ametrina e a corrente de pico num intervalo de concentra\u00e7\u00e3o de 0,005 a 5,0 mg L-1 (ppm). 44 Ecl. Qu\u00edm., S\u00e3o Paulo, 28(2): 41-47, 2003 um m\u00e1ximo de corrente de pico em pH 2,0.", "mime": "application/pdf"}, {"id": "ecletica-522", "words": "2077", "extension": ".pdf", "flesch": "64", "author": "Sakamoto, Walter Katsumi", "title": "Dielectric spectroscopy and thermally stimulated discharge current in PEEK film", "date": "2003", "keywords": "current; dielectric; discharge; frequency; peek; range", "summary": "Due to characteristics such as: melting point over 300 oC; low dielectric loss; resistance to attack by several chemical solvents and insulating properties, PEEK has considerable applications as an engineering material [3]. The change in the slope at low frequency (long time) is an indicative of a low-frequency dispersion (LFD)", "mime": "application/pdf"}, {"id": "ecletica-523", "words": "4548", "extension": ".pdf", "flesch": "66", "author": "Oliveira Neto, Almir; Linardi, Marcelo; Gonzalez, Ernesto Rafael", "title": "Oxida\u00e7\u00e3o eletroqu\u00edmica do metanol sobre part\u00edculas de PtRu e PtMo suportadas em carbono de alta \u00e1rea superficial", "date": "2003", "keywords": "ads; catalisadores; com; dos; figura; liga; metanol; molibd\u00eanio; oxida\u00e7\u00e3o; para; platina; potenciais; que; rut\u00eanio; s\u00e3o; uma", "summary": "Estes autores atribuem a alta atividade observada para a liga com 7% de Ru ao requerimento de \u00e1tomos de platina que facilitem a adsor\u00e7\u00e3o dissociativa do metanol. A liga de platina-rut\u00eanio (80:20) come\u00e7a a produzir massa 44 em menores potenciais com rela\u00e7\u00e3o aos catalisadores de platina e platina- molibd\u00eanio (60:40), mas acima do potencial de 0,65 V a produ\u00e7\u00e3o de massa 44 sobre o catalisador de platina-molibd\u00eanio (60:40)", "mime": "application/pdf"}, {"id": "ecletica-524", "words": "2784", "extension": ".pdf", "flesch": "58", "author": "Rosa, Thais Fernanda; Saczk, Adelir Aparecida; Zanoni, Maria Valnice Boldrin; Stradiotto, Nelson Ramos", "title": "Determina\u00e7\u00e3o voltam\u00e9trica do nedocromil de s\u00f3dio utilizando eletrodo de carbono v\u00edtreo", "date": "2003", "keywords": "com; diferencial; l-1; linear; mol; nedocromil; para; pulso; solu\u00e7\u00e3o; s\u00f3dio; uma; voltametria", "summary": "Apesar da import\u00e2ncia das t\u00e9cnicas eletroanal\u00edticas na determina\u00e7\u00e3o de uma variedade de compostos de interesse farmacol\u00f3gico, h\u00e1 poucos trabalhos relacionados ao estudo eletroqu\u00edmico do Nedocromil de S\u00f3dio, sendo estes realizados em eletrodo de merc\u00fario, [6,8,10] com indesej\u00e1veis consequ\u00eancias toxicol\u00f3gicas. Em seguida, os par\u00e2metros operacionais, amplitude de potencial de pulso (DE p ), tempo de dura\u00e7\u00e3o do pulso (t p )", "mime": "application/pdf"}, {"id": "ecletica-525", "words": "3892", "extension": ".pdf", "flesch": "65", "author": "de Mello, Rafael Lopes Seabra; Mattos-Costa, Flora In\u00eas; Villullas, Hebe de las Mercedes; Bulh\u00f5es, Luis Ot\u00e1vio de Souza", "title": "Preparation and electrochemical characterization of Pt nanoparticles dispersed on niobium oxide", "date": "2003", "keywords": "electrodes; l-1; mol; oxidation", "summary": "Figure 5 shows the voltammetric curves obtained for the Ti/Nb 2 O 5 -Pt electrode when the negative potential limit was set at 0 V, compared with the curve of a nanoparticulated sol-gel derived Pt electrode, under the same conditions. Ti/Nb2O5-Pt electrode; (- - - - ) nanoparticulated Pt electrode.", "mime": "application/pdf"}, {"id": "ecletica-526", "words": "4854", "extension": ".pdf", "flesch": "58", "author": "Salgado, Jos\u00e9 Ricardo Cezar; Gonzalez, Ernesto Rafael", "title": "Correla\u00e7\u00e3o entre a atividade catal\u00edtica e o tamanho de part\u00edculas de Pt/C preparados por diferentes m\u00e9todos", "date": "2003", "keywords": "carbono; catalisadores; com; como; das; foi; foram; maf; materiais; m\u00e9todos; para; part\u00edculas; por; preparados; que; s\u00e3o; tamanho; uma; valores; \u00e1rea", "summary": "Observa-se que com a diminui\u00e7\u00e3o do di\u00e2metro das part\u00edculas de platina aumenta o grau de dispers\u00e3o e a \u00e1rea espec\u00edfica dos materiais de Pt ancorada em carbono. As raz\u00f5es destas discrep\u00e2ncias podem ser explicadas pela pouca \u00e1rea exposta da Pt e/ou superf\u00edcie do material em contato com o eletr\u00f3lito em eletrodos de camada fina porosa.", "mime": "application/pdf"}, {"id": "ecletica-527", "words": "2931", "extension": ".pdf", "flesch": "54", "author": "Bergamaski, Kleber; Gomes, Jana\u00edna Fernandes; Goi, Beatriz Eleuterio; Nart, Francisco Carlos", "title": "Effect of alcohol concentration and electrode composition on the ethanol electrochemical oxidation", "date": "2003", "keywords": "cho; concentration; electrode; ethanol; oxidation", "summary": "Ethanol concentration 0.01 mol L-1. The dehydrogenation peak decreases with the increase in ethanol concentration, as in the case of pure platinum.", "mime": "application/pdf"}, {"id": "ecletica-529", "words": "1363", "extension": ".pdf", "flesch": "54", "author": "Melios, Cristo Bladimiros", "title": "In memoriam - Prof. Dr. Manuel Molina Ortega (1931-1999)", "date": "2002", "keywords": "com; foi; molina; prof; que; qu\u00edmica; sua; s\u00e3o", "summary": "Infelizmente, no segundo semestre de 1996, o Prof. Molina foi acometido de derrame cerebral, o que fez reduzir substancialmente a sua atividade cient\u00edfica. Exerceu por diversas vezes, o cargo de Chefe do Departamento de Qu\u00edmica Anal\u00edtica; foi Diretor do Instituto de Qu\u00edmica da UNESP, de Novembro de 1980 a Novembro de 1984.", "mime": "application/pdf"}, {"id": "ecletica-53", "words": "4318", "extension": ".pdf", "flesch": "53", "author": "Tahan, Gabriela Padovani; Machado, Simone Caetani; Malaguti, Evandro Conti; Maia, Patr\u00edcia Penido; Rath, Susanne; Martins, Isarita", "title": "RP-LC method for simultaneous determination of sulfamethoxazole and trimethoprim content in veterinary drugs", "date": "2016", "keywords": "analysis; drugs; method; smx; solutions; sulfamethoxazole; tmp; trimethoprim; veterinary", "summary": "33 33 INTRODUCTION Veterinary drugs are used worldwide to improve animal health, provide economic gains and increase food industry productivity of food of animal origin [1]. Animal health relies heavily on veterinary drugs for controlling pests and diseases, but animal health laws extend much further.", "mime": "application/pdf"}, {"id": "ecletica-531", "words": "1815", "extension": ".pdf", "flesch": "51", "author": "Riccardi, Carla dos Santos; Ara\u00fajo, \u00c2ngela Regina; Yamanaka, Hideko", "title": "Preparation and evaluation of atrazine immunoconjugate", "date": "2002", "keywords": "atrazine; conjugate; elisa; enzyme; hapten; hrp; solution", "summary": "Different types of spacer groups were used to synthesize the immunogen and tracer. Results and discussion Hapten Synthesis The development of immunoassays and the preparation of haptens for atrazine or other s-triazines has been well documented 1,2, 4, 6.", "mime": "application/pdf"}, {"id": "ecletica-532", "words": "2058", "extension": ".pdf", "flesch": "46", "author": "Ribeiro, Alan Bezerra; Silva, Dulce Helena Siqueira; Bolzani, Vanderlan da Silva", "title": "Antioxidant flavonol glycosides from Nectandra grandiflora (Lauraceae)", "date": "2002", "keywords": "antioxidant; grandiflora; javascript; links; nectandra; void(0", "summary": "Conclusions The pursue for antioxidant compounds from the ethanol extract of Nectandra grandiflora leaves led to the isolation and identification of two flavonol glycosides. This paper deals with the detection of antioxidant compounds in the ethanolic extract of Nectandra grandiflora leaves, which inhibited the bleaching of b -carotene on TLC plates.", "mime": "application/pdf"}, {"id": "ecletica-533", "words": "1996", "extension": ".pdf", "flesch": "55", "author": "Nascimento, Erlandson Thiago Oliveira; Lima, Ana Paula Kawabe; Varela, Jos\u00e9 Arana; Longo, Elson; Hernandez, Antonio Carlos; Bertochi, Maria Aparecida Zaghete; Perazolli, Leinig", "title": "Estudo da corros\u00e3o de cadinhos de SnO2-ZnO, na fus\u00e3o de vidros contendo metais pesados", "date": "2002", "keywords": "cadinhos; cer\u00e2mica; com; foram; para; por; que; uma; vidro", "summary": "Leinig PerazolliI IDepartamento de Biotecnologia - CMDMC - Instituto de Qu\u00edmica - UNESP - 14801-970 - Araraquara - SP - Brasil IIDepartamento de Qu\u00edmica - CMDMC - UFSCar - 13565-905 - S\u00e3o Carlos - SP - Brasil IIIDepartamento de F\u00edsica e Ci\u00eancia dos Materiais - Instituto de F\u00edsica - USP - 13560-900 - S\u00e3o Carlos - SP - Brasil RESUMO Neste trabalho foi estudada resist\u00eancia de cadinhos de SnO2 dopados com 1%mol de ZnO frente a corros\u00e3o na fus\u00e3o de vidro contendo metais pesados. Vidros \u00f3pticos de \u00f3xidos de metais pesados s\u00e3o caracterizados por elevada densidade, alto \u00edndice de refra\u00e7\u00e3o, baixa temperatura de transi\u00e7\u00e3o e excelente transmiss\u00e3o no infravermelho[5] mas podem ser erroneamente definidos como aqueles que contenham mais de 50% de c\u00e1tions de metais pesados, participando na estrutura do vidro.", "mime": "application/pdf"}, {"id": "ecletica-534", "words": "4469", "extension": ".pdf", "flesch": "58", "author": "Santos, Daniele Minholo; Nogueira, Ana Rita Araujo; Neves, Eduardo Fausto Almeida; Cavalheiro, \u00c9der Tadeu Gomes; N\u00f3brega, Joaquim Ara\u00fajo", "title": "An\u00e1lise qu\u00edmica inorg\u00e2nica de leite e simula\u00e7\u00e3o do reagente CFA-C", "date": "2002", "keywords": "amostras; cfa; com; c\u00edtrico; das; foi; foram; l-1; leite; mistura; mol; para; por; que; reagente; solu\u00e7\u00e3o; tris; uma; \u00e1cido", "summary": "Ap\u00f3s, nota-se um pequeno pico em torno de 180oC referente \u00e0 eventos t\u00e9rmicos observados na curva DTG entre 170-220oC. O comportamento t\u00e9rmico da mistura de TRIS + \u00e1cido c\u00edtrico no experimento de TG com duas etapas de perda de massa \u00e9 apresentado na Figura 2. Preparou-se em uma c\u00e1psula de porcelana uma mistura de H2SO4 conc.", "mime": "application/pdf"}, {"id": "ecletica-535", "words": "2870", "extension": ".pdf", "flesch": "49", "author": "Ferreira, Edilene Cristina; Rodrigues, Silvia Helena Bonfim Gomes; Ferreira, M\u00e1rcia Miguel Castro; N\u00f3brega, Joaquim Ara\u00fajo; Nogueira, Ana Rita Araujo", "title": "An\u00e1lise explorat\u00f3ria dos teores de constitu\u00edntes inorg\u00e2nicos em sucos e refrigerantes de uva", "date": "2002", "keywords": "amostras; an\u00e1lise; com; como; dados; dos; foram; javascript; links; para; pca; que; sucos; s\u00e3o; teores; uma; void(0", "summary": "Em PC2 as amostras s\u00e3o discriminadas em rela\u00e7\u00e3o aos teores de Na e S e uma an\u00e1lise de PC3 revela agrupamento de amostras relacionadas a maiores teores de Mg, Ca, K, P e tamb\u00e9m amostras com maiores teores de S. http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-46702002000200007&lng=en&nrm=iso&tlng=pt#fig02 http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-46702002000200007&lng=en&nrm=iso&tlng=pt#fig01 O Na discriminou essencialmente sucos e refrigerantes, sendo que os refrigerantes apresentaram maiores teores do mineral. Isso pode ser atribu\u00eddo principalmente ao acr\u00e9scimo de benzoato de s\u00f3dio como conservante nos refrigerantes, permitido por lei (INS 211)1 e verificado nos r\u00f3tulos de alguns fabricantes.", "mime": "application/pdf"}, {"id": "ecletica-536", "words": "2418", "extension": ".pdf", "flesch": "41", "author": "Silva, Fernando Vitorino; Kamogawa, Marcos Yassuo; Ferreira, M\u00e1rcia Miguel Castro; N\u00f3brega, Joaquim Ara\u00fajo; Nogueira, Ana Rita Araujo", "title": "Discrimina\u00e7\u00e3o geogr\u00e1fica de \u00e1guas minerais do Estado de S\u00e3o Paulo pela an\u00e1lise explorat\u00f3ria", "date": "2002", "keywords": "amostras; an\u00e1lise; com; das; diferentes; mineral; para; paulo; provenientes; que; s\u00e3o; \u00e1gua", "summary": "Procedimentos para controle de qualidade ou discrimina\u00e7\u00e3o da origem geogr\u00e1fica de amostras de mel8,6, uvas4, vinho5,1 e bebidas n\u00e3o-alc\u00f3licas9 empregando m\u00e9todos estat\u00edsticos multivariados t\u00eam sido propostos na literatura ao longo da \u00faltima d\u00e9cada. A aplica\u00e7\u00e3o da an\u00e1lise explorat\u00f3ria possibilitou correlacionar a composi\u00e7\u00e3o qu\u00edmica com a localiza\u00e7\u00e3o geogr\u00e1fica das amostras de \u00e1gua mineral, produzindo resultados \u00fateis para o controle de qualidade e a constru\u00e7\u00e3o de modelos de classifica\u00e7\u00e3o ou previs\u00e3o.", "mime": "application/pdf"}, {"id": "ecletica-537", "words": "2886", "extension": ".pdf", "flesch": "51", "author": "Ugucione, C\u00e1ssia; Felix, Herika Pereira; da Rocha, Gisele Ol\u00edmpio; Cardoso, Arnaldo Alves", "title": "Processos diurnos e noturnos de remo\u00e7\u00e3o de NO2 e NH3 atmosf\u00e9ricos na regi\u00e3o de Araraquara-SP", "date": "2002", "keywords": "am\u00f4nia; atmosfera; com; compostos; di\u00f3xido; javascript; links; nitrogen; nitrog\u00eanio; no2; para; por; processos; que; rea\u00e7\u00f5es; void(0", "summary": "A solu\u00e7\u00e3o absorvente usada na impregna\u00e7\u00e3o dos filtros de amostragem de am\u00f4nia, foi preparada segundo procedimento descrito por Allen et al2. A maior forma\u00e7\u00e3o de \u00e1cido n\u00edtrico em \u00e9pocas \u00famidas decorrente da hidr\u00f3lise de N2O5, este proveniente de rea\u00e7\u00f5es tipicamente noturnas entre NO2 e NO3,sugerem inicialmente uma atmosfera mais \u00e1cida, que \u00e9 neutralizada pelos processos de remo\u00e7\u00e3o de am\u00f4nia mais intensos no per\u00edodo noturno nesta \u00e9poca.", "mime": "application/pdf"}, {"id": "ecletica-538", "words": "3210", "extension": ".pdf", "flesch": "59", "author": "Magnani, Marina; Fugivara, Cec\u00edlio Sadao; Garcia, Roberto; Benedetti, Assis Vicente", "title": "Cin\u00e9tica de dissolu\u00e7\u00e3o da superf\u00edcie de a\u00e7o SAE-AISI 1005 em meio \u00e1cido", "date": "2002", "keywords": "a\u00e7o; cff; cm-2; com; dos; foi; massa; para; que; rea\u00e7\u00e3o; solu\u00e7\u00e3o; solu\u00e7\u00f5es; superf\u00edcie; velocidade; \u00edons", "summary": "Resultados e discuss\u00e3o A Figura 2 mostra as curvas de perda de massa em fun\u00e7\u00e3o do tempo em solu\u00e7\u00f5es \u00e1cidas com e sem agita\u00e7\u00e3o. http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-46702002000200010&lng=en&nrm=iso&tlng=pt#fig02 As curvas da Figura 2 mostram um comportamento similar para as solu\u00e7\u00f5es \u00e1cidas na aus\u00eancia do sal moderador, sugerindo que a principal rea\u00e7\u00e3o nestas solu\u00e7\u00f5es \u00e9 a dissolu\u00e7\u00e3o do ferro pela rea\u00e7\u00e3o com \u00edons H+. A varia\u00e7\u00e3o de massa foi utilizada para determinar a velocidade de perda de massa em mg cm -2 s-1, empregando o programa Origin, vers\u00e3o 5.0 para a determina\u00e7\u00e3o dos coeficientes angulares da reta tangente a curva de perda de massa em fun\u00e7\u00e3o do tempo nos diferentes tempos.", "mime": "application/pdf"}, {"id": "ecletica-539", "words": "3480", "extension": ".pdf", "flesch": "52", "author": "Fernandes, Leandro; Jafelicci Junior, Miguel; Godoi, Ricardo Henrique Moreton; Zorel Junior, Henrique Em\u00edlio", "title": "Obten\u00e7\u00e3o da fase peroviskita via microemuls\u00e3o", "date": "2002", "keywords": "bamno3; com; das; fase; figura; foram; javascript; links; microemuls\u00e3o; para; part\u00edculas; peroviskita; por; que; tamanho; uma; void(0", "summary": "A figura 2 indica que a 300oC ocorre uma mistura das fases de carbonato de b\u00e1rio (BaCO3 ficha 44-1467), de di\u00f3xido de mangan\u00eas (MnO2 ficha 44-0141), do \u00f3xido de mangan\u00eas n\u00e3o estequiom\u00e9trico (MnO1,88 ficha 5-0673) e indica tamb\u00e9m o in\u00edcio de forma\u00e7\u00e3o da fase peroviskita (BaMnO3 ficha 26-0168). 4a pode-se inferir a n\u00e3o presen\u00e7a de carbonato de b\u00e1rio, pois tal composto ao se decompor absorve calor sendo representado pela curva DTA como um pico endot\u00e9rmico, este sim encontrado na figura 4b que evidencia a decomposi\u00e7\u00e3o do carbonato a 988oC menor do que para o BaCO3 puro.", "mime": "application/pdf"}, {"id": "ecletica-54", "words": "5126", "extension": ".pdf", "flesch": "65", "author": "Araripe, Denise Rol\u00e3o; Teixeira, Ana Maria Rangel de Figueiredo; Bernedo, Alfredo Victor Bellido; Ferreira, Marcos Manoel", "title": "An\u00e1lise multielementar da Rhipsalis lindbergiana K. schum.", "date": "2016", "keywords": "amostras; como; dos; elementos; entre; foram; n\u00e3o; para; que; qu\u00edmica; rhipsalis; uma", "summary": "os existentes nas brom\u00e9lias, deve absorver de forma direta os componentes carregados pela poeira do ar; a influ\u00eancia da concentra\u00e7\u00e3o dos \u00edons em efeitos sinerg\u00e9ticos ou inibit\u00f3rios de absor\u00e7\u00e3o de outros \u00edons; e a pr\u00f3pria assinatura da poeira do ar. A normaliza\u00e7\u00e3o pelo Al mostrou enriquecimento de Zn e Cu nos s\u00edtios de coleta do Instituto de Qu\u00edmica da UFF; Zn, Cu e Ni nos s\u00edtios mais polu\u00eddos pr\u00f3ximos ao centro da cidade.", "mime": "application/pdf"}, {"id": "ecletica-540", "words": "2583", "extension": ".pdf", "flesch": "51", "author": "Saczk, Adelir Aparecida; de Oliveira, Marcelo Firmino; Okumura, Leonardo Luiz; Stradiotto, Nelson Ramos", "title": "Comportamento voltam\u00e9trico da redu\u00e7\u00e3o de 2-furfuralde\u00eddo em etanol utilizando eletrodo de carbono v\u00edtreo", "date": "2002", "keywords": "eletrodo; furfuralde\u00eddo; javascript; l-1; links; meio; mol; para; uma; utilizando; void(0", "summary": "O estudo da depend\u00eancia da corrente de pico cat\u00f3dica em rela\u00e7\u00e3o \u00e0 concentra\u00e7\u00e3o de 2-furfuralde\u00eddo em LiCl 0,1 mol L-1 A aus\u00eancia de correntes de pico an\u00f3dicas na varredura reversa de potencial e a varia\u00e7\u00e3o dos valores de potencial de pico com a velocidade de varredura para valores mais negativos indica que o processo eletr\u00f3dico apresenta um comportamento irrevers\u00edvel (Tabela I).", "mime": "application/pdf"}, {"id": "ecletica-541", "words": "2062", "extension": ".pdf", "flesch": "51", "author": "de Oliveira, Marcelo Firmino; Saczk, Adelir Aparecida; Okumura, Leonardo Luiz; Stradiotto, Nelson Ramos", "title": "Determina\u00e7\u00e3o de zinco em \u00e1lcool combust\u00edvel opr voltametria de redissolu\u00e7\u00e3o an\u00f3dica", "date": "2002", "keywords": "an\u00f3dica; combust\u00edvel; determina\u00e7\u00e3o; javascript; links; metais; para; por; sendo; uma; void(0; zinco; \u00e1lcool", "summary": "Posteriormente foi realizada a an\u00e1lise da concentra\u00e7\u00e3o de zinco em amostra de \u00e1lcool et\u00edlico combust\u00edvel, sendo adicionada uma al\u00edquota de 200 mL de amostra em um volume final de 20 mL de solu\u00e7\u00e3o de eletr\u00f3lito-suporte, sendo a concentra\u00e7\u00e3o de zinco obtida pelo m\u00e9todo de adi\u00e7\u00e3o de padr\u00e3o. em combust\u00edveis derivados de petr\u00f3leo1,4,5, n\u00e3o sendo encontrados trabalhos relacionados \u00e0 determina\u00e7\u00e3o de metais em \u00e1lcool combust\u00edvel.", "mime": "application/pdf"}, {"id": "ecletica-542", "words": "1890", "extension": ".pdf", "flesch": "46", "author": "Ito, Helenice Akemi; de Oliveira, Marcelo Firmino; Gomes Neto, Jos\u00e9 Anchieta; Stradiotto, Nelson Ramos", "title": "Eletrodo modificado em filme de pal\u00e1dio para a determina\u00e7\u00e3o voltam\u00e9trica de fosfito", "date": "2002", "keywords": "an\u00e1lise; com; eletrodo; fosfito; javascript; links; mol.l-1; pal\u00e1dio; para; sendo; uma; void(0", "summary": "A dissolu\u00e7\u00e3o direta em H2SO4 1,0 mol.L-1 de fosfito permite a forma\u00e7\u00e3o da esp\u00e9cie H3PO3, podendo ser detectada por eletrodo de platina modificado com filme de pal\u00e1dio. Conclus\u00f5es De acordo com os resultados obtidos neste trabalho, pode-se concluir que a metodologia proposta apresentou um intervalo de an\u00e1lise de de 5,0x10-6 a 5,0x10-4 mol.L-1 em fosfito, habilitando o m\u00e9todo tanto para a an\u00e1lise de tra\u00e7os quanto para um alto teor de fosfito.", "mime": "application/pdf"}, {"id": "ecletica-543", "words": "4820", "extension": ".pdf", "flesch": "44", "author": "Nogueira, Raquel Fernandes Pupo; Mod\u00e9, Daniela Fonseca", "title": "Fotodegrada\u00e7\u00e3o de fenol e clorofen\u00f3is por processo foto-Fenton mediado por ferrioxalato", "date": "2002", "keywords": "artificial; clorofen\u00f3is; com; como; cot; dos; durante; fenton; foi; foram; fotodegrada\u00e7\u00e3o; irradia\u00e7\u00e3o; javascript; links; para; que; reator; remo\u00e7\u00e3o; solar; solu\u00e7\u00e3o; tempo; uma; void(0", "summary": "\u00e9 uma fonte adicional de .OH conforme a rea\u00e7\u00e3o (2): O uso da irradia\u00e7\u00e3o solar em processos de tratamento de efluentes \u00e9 particularmente interessante porque reduz a zero os custos com energia, especialmente em pa\u00edses tropicais como o Brasil, onde a incid\u00eancia \u00e9 alta. Foi observada uma pequena diferen\u00e7a na remo\u00e7\u00e3o de COT e gera\u00e7\u00e3o de \u00edons cloreto nas solu\u00e7\u00f5es sob agita\u00e7\u00e3o e sem agita\u00e7\u00e3o que n\u00e3o justifica o uso da agita\u00e7\u00e3o, que implica em uma economia de energia e em sistema mais simples (Tabela 2).Este \u00e9 um resultado interessante, pois em uma planta de tratamento, seria uma economia de energia manter a solu\u00e7\u00e3o sem agita\u00e7\u00e3o durante irradia\u00e7\u00e3o solar ou artificial.", "mime": "application/pdf"}, {"id": "ecletica-544", "words": "2151", "extension": ".pdf", "flesch": "50", "author": "Gomes, Jana\u00edna; Serra, Osvaldo Antonio; Pires, Ana Maria", "title": "Lumin\u00f3foro azul preparado a partir do m\u00e9todo de combust\u00e3o", "date": "2002", "keywords": "amostras; combust\u00e3o; javascript; links; para; que; sr2ceo4; t\u00e9rmico; void(0", "summary": "No m\u00e9todo denominado m\u00e9todo de combust\u00e3o, obt\u00eam-se um material com tamanho de part\u00edcula na ordem de nan\u00f4metros, atrav\u00e9s da rea\u00e7\u00e3o exot\u00e9rmica instant\u00e2nea entre os nitratos dos metais envolvidos e um combust\u00edvel. apresenta picos de reflex\u00e3o mais bem definidos e tamb\u00e9m caracter\u00edsticos das fases relativas \u00e0 Sr2CeO4 e SrCeO3.", "mime": "application/pdf"}, {"id": "ecletica-545", "words": "2795", "extension": ".pdf", "flesch": "55", "author": "do Carmo, Devaney Ribeiro; da Silva, Ricardo Moutinho; Stradiotto, Nelson Ramos", "title": "Estudo eletroqu\u00edmico de Fe[Fe(CN)5NO] em eletrodo de pasta de grafite", "date": "2002", "keywords": "com; concentra\u00e7\u00e3o; dos; eletrodo; fenp; grafite; javascript; links; para; pasta; que; redox; void(0", "summary": "Pode-se concluir que a resposta eletroqu\u00edmica de FeNP, depende da caracter\u00edstica do FeNP, da constante de equil\u00edbrio e da concentra\u00e7\u00e3o do eletr\u00f3lito. O precipitado obtido apresentou uma colora\u00e7\u00e3o rosa e foi filtrado em funil de placa sinterizada, lavado com \u00e1gua deionizada at\u00e9 que n\u00e3o foi detectado sulfato na \u00e1gua de filtragem e depois seco com etanol.", "mime": "application/pdf"}, {"id": "ecletica-546", "words": "4367", "extension": ".pdf", "flesch": "43", "author": "Oliveira, Patr\u00edcia Fidelis; Don\u00e1, Fl\u00e1via; Marcelli, Marcelo; Cardoso, Marilsa; da Silva, Maria de Lourdes Corradi", "title": "Obten\u00e7\u00e3o de oligossacar\u00eddeos N-ligados \u00e0s glicoprote\u00ednas dos l\u00edquens Sticta tomentosa e Sticta damaecornis", "date": "2002", "keywords": "a\u00e7\u00facares; coluna; com; das; foi; foram; fra\u00e7\u00f5es; glicopept\u00eddeos; glicoprote\u00ednas; grupo; hplc; javascript; ligados; links; l\u00edquens; oligossacar\u00eddeos; para; pela; por; que; rea\u00e7\u00e3o; sticta; s\u00e3o; uma; void(0", "summary": "Esta rea\u00e7\u00e3o foi acompanhada por HPAEC injetando-se al\u00edquotas de 10 mL em coluna CarboPac PA 100, elu\u00edda com gradiente de acetato de s\u00f3dio 0-150 mM em NaOH 100 mM, com fluxo de 1 mL/min e detec\u00e7\u00e3o em amperometria integrada na sensibilidade de 50 nC. Ap\u00f3s esta rea\u00e7\u00e3o, adicionou-se ao sistema a enzima sialidase mantendo-se as mesmas condi\u00e7\u00f5es anteriores por mais 24 horas. A Tabela 5 fornece os intervalos de tempos de reten\u00e7\u00e3o das estruturas oligossacar\u00eddicas das fra\u00e7\u00f5es St30-80% e Sd30-80%.", "mime": "application/pdf"}, {"id": "ecletica-547", "words": "3541", "extension": ".pdf", "flesch": "48", "author": "Fertonani, Fernando Luis; Batistuti, Jos\u00e9 Pascoal; Hojo, Ossamu; de Oliveira, Josely Kobal; Pastre, I\u00eada Aparecida", "title": "Gest\u00e3o da qualidade total: introdu\u00e7\u00e3o dos conceitos e a sua utiliza\u00e7\u00e3o em um curso para abordar o comportamento individual do aluno/profissional/cidad\u00e3o", "date": "2002", "keywords": "com; como; comprometimento; curso; das; dos; empresa; forma\u00e7\u00e3o; iso; javascript; links; mais; mercado; para; por; qualidade; que; ser; seu; sua; s\u00e3o; uma; void(0", "summary": "Em alguns casos, sugerem que o curso, ao qual nos referimos, seja estendido ao corpo docente. Conclus\u00e3o Concluindo, os objetivos do curso foram alcan\u00e7ados tendo sido provocado o despertar da assist\u00eancia para a import\u00e2ncia do assunto e para a necessidade de se conscientizarem de seu papel e de sua responsabilidade quanto discentes, cidad\u00f5es e como formadores de opini\u00e3o, frente \u00e0 sociedade.", "mime": "application/pdf"}, {"id": "ecletica-548", "words": "2347", "extension": ".pdf", "flesch": "53", "author": "Guinesi, Luciana Simionatto; Ribeiro, Cl\u00f3vis Augusto; Crespi, Marisa Spirandeli; Veronezi, Ana Maria", "title": "Prepara\u00e7\u00e3o e caracteriza\u00e7\u00e3o do complexo s\u00f3lido de estanho(II)-EDTA e influ\u00eancia do tratamento t\u00e9rmico sobre a morfologia do res\u00edduo SnO2", "date": "2002", "keywords": "aquecimento; decomposi\u00e7\u00e3o; edta; figura; javascript; links; min-1; para; quelato; void(0", "summary": "[H2SnH2O(NCH2(CH2COO)2)2].1/2H2O. Esta composi\u00e7\u00e3o p\u00f4de ser definida atrav\u00e9s da an\u00e1lise elementar e das curvas TG em atmosfera oxidante na qual a decomposi\u00e7\u00e3o dos grupos carbox\u00edlicos forneceu evento t\u00e9rmico distinto apenas sob aquecimento de 20oC min-1 resultante da cin\u00e9tica de rea\u00e7\u00e3o. As rea\u00e7\u00f5es de perda da \u00e1gua de hidrata\u00e7\u00e3o e de coordena\u00e7\u00e3o, bem como a decomposi\u00e7\u00e3o da fra\u00e7\u00e3o carbox\u00edlica do ligante, puderam ser observadas atrav\u00e9s das curvas TG e DTA sob atmosfera inerte nas raz\u00f5es de aquecimento utilizadas.", "mime": "application/pdf"}, {"id": "ecletica-549", "words": "2372", "extension": ".pdf", "flesch": "52", "author": "de Amarante Junior, Ozelito Possid\u00f4nio; Brito, Natilene Mesquita; Rodrigues dos Santos, Teresa Cristina; Ribeiro, Maria L\u00facia", "title": "Estudo da adsor\u00e7\u00e3o/dessor\u00e7\u00e3o de 2,4-D em solos usando t\u00e9cnica cromatogr\u00e1fica", "date": "2002", "keywords": "2,4; adsor\u00e7\u00e3o; com; dessor\u00e7\u00e3o; dos; estudo; javascript; links; para; por; que; solo; void(0", "summary": "A regi\u00e3o possui campos de cultivo de eucaliptos para obten\u00e7\u00e3o de celulose. Estes estudos s\u00e3o importantes na predi\u00e7\u00e3o do comportamento de poluentes org\u00e2nicos, estimando-se sua capacidade de mobilidade no solo e, portanto, do risco de contamina\u00e7\u00e3o de \u00e1guas superficiais e subterr\u00e2neas4 .", "mime": "application/pdf"}, {"id": "ecletica-55", "words": "4099", "extension": ".pdf", "flesch": "70", "author": "Silva, Ana Lu\u00edsa; da Silva, Qu\u00e9sia Guedes; Kubota, Lauro Tatsuo; Tanaka, Auro Atsushi", "title": "Determina\u00e7\u00e3o de catequinas por eletrodo de carbono impresso modificado com nanotubo de carbono funcionalizado", "date": "2016", "keywords": "1x10; carbono; catequina; com; ctq; eci; eletrodo; figura; fosfato; mol; ntc; para; pico; que; tamp\u00e3o", "summary": "pH 7,0 na presen\u00e7a de CTQ 1x10 -4 mol L -1 em diferentes eletrodos: (a) ECI; (b) ECI/NTC(SPT) e (c) ECI/NTC, v = 0,05 V s -1 . Na figura 7, s\u00e3o apresentados os voltamogramas c\u00edclicos em diferentes eletr\u00f3litos suporte na presen\u00e7a de CTQ 1x10 -4", "mime": "application/pdf"}, {"id": "ecletica-550", "words": "1823", "extension": ".pdf", "flesch": "51", "author": "Takahashi, Marta Ferreira Koyama; Diniz, Milton Faria", "title": "Avalia\u00e7\u00e3o por espectroscopia no infravermelho da microestrutura de poliuretano baseado em resina polibutadi\u00eanica hidroxilada", "date": "2002", "keywords": "1,4; cis; com; dos; javascript; links; pblh; por; resina; void(0", "summary": "Pode-se dizer que o segmento flex\u00edvel do PU investigado apresenta basicamente a mesma microestrutura do poliol precursor, ou seja, da resina PBLH. Tamb\u00e9m mostraram que o PU 50/CVLA apresenta uma microestrutura semelhante a do poliol precursor, ou seja, da resina PBLH, com uma pequena diminui\u00e7\u00e3o do teor do is\u00f4mero 1,4-cis e o correspondente aumento do teor do is\u00f4mero 1,4 trans.", "mime": "application/pdf"}, {"id": "ecletica-551", "words": "2957", "extension": ".pdf", "flesch": "48", "author": "Oliveira, Carlos Alberto; Azzolini, Ana Elisa Caleiro Seixas; Silva, Silvana Chedraoui ; Kanashiro, Alexandre; Kabeya, Luciana Mariko; de Azevedo, Ana Paula Gomes Braga; Gon\u00e7alves, Cristiane Fernandes de Freitas; Corediro, Daniel Sivieri; Leit\u00e3o, Denise Pimenta da Silva; Gaspar, Lorena Rigo; de Souza, Pablo Leonardo Viana; Valim, Yara Maria Lucisano; Mantovani, Bernardo", "title": "Avalia\u00e7\u00e3o bioqu\u00edmica e ultraestrutural da intera\u00e7\u00e3o de imunocomplexos de IgG com leuc\u00f3citos polimorfonucleares: efeito de antioxidantes naturais", "date": "2002", "keywords": "com; como; eros; foi; icigg; javascript; links; lpmns; mol; para; por; produ\u00e7\u00e3o; que; void(0", "summary": "Como o valor de \u00e1rea integrada de QL (\u00e1rea sob a curva) reflete a quantidade total de EROs produzidas, observou-se que a partir da concentra\u00e7\u00e3o de 4x10-5 g/mL de ICIgG obt\u00e9m-se resposta m\u00e1xima e constante de QL lum e de QLluc (Figura 2). Al\u00e9m disso, esses compostos n\u00e3o inibiram a fagocitose dos ICIgG pelos LPMNs, como observado pelo ensaio de microscopia eletr\u00f4nica de transmiss\u00e3o, sugerindo que estas subst\u00e2ncias devam atuar como seq\u00fcestrantes de EROs ou ainda atuar como inibidores de enzimas relacionadas ao processo de produ\u00e7\u00e3o das mesmas.", "mime": "application/pdf"}, {"id": "ecletica-552", "words": "1787", "extension": ".pdf", "flesch": "46", "author": "de Oliveira, Adriana Paiva; Okumura, Leonardo Luiz; Gomes Neto, Jos\u00e9 Anchieta; de Moraes, Mercedes", "title": "Avalia\u00e7\u00e3o do m\u00e9todo das adi\u00e7\u00f5es de analito para a determina\u00e7\u00e3o de s\u00f3dio em \u00e1lcool combust\u00edvel por espectrometria de emiss\u00e3o at\u00f4mica em chama", "date": "2002", "keywords": "adi\u00e7\u00f5es; amostras; analito; das; l-1; m\u00e9todo; para; que; s\u00f3dio", "summary": "O m\u00e9todo utilizado foi o das adi\u00e7\u00f5es de analito, que consiste na adi\u00e7\u00e3o de solu\u00e7\u00f5es contendo diferentes quantidades conhecidas do analito a iguais volumes da amostra, sendo todas as solu\u00e7\u00f5es dilu\u00eddas ao mesmo volume final. Resultados e discuss\u00e3o Os resultados referentes \u00e0s equa\u00e7\u00f5es das curvas anal\u00edticas para as 20 amostras de AEHC, empregando-se o m\u00e9todo das adi\u00e7\u00f5es de analito, encontram-se na Tabela 1.", "mime": "application/pdf"}, {"id": "ecletica-553", "words": "2601", "extension": ".pdf", "flesch": "63", "author": "Gon\u00e7alves, Agnaldo de Souza; de Lima, Sergio Antonio Marques; Davolos, Marian Rosaly", "title": "\u00d3xido de zinco dopado com g\u00e1lio preparado pelo m\u00e9todo Pechini", "date": "2002", "keywords": "amostras; com; das; edta; foi; g\u00e1lio; javascript; links; solu\u00e7\u00e3o; uso; void(0; zinco; zno", "summary": "Ap\u00f3s v\u00e1rias horas de agita\u00e7\u00e3o e aquecimento foi adicionada solu\u00e7\u00e3o de citrato de zinco, obtendo-se solu\u00e7\u00e3o l\u00edmpida. A dopagem com g\u00e1lio foi feita pela adi\u00e7\u00e3o de quantidades calculadas de nitrato de g\u00e1lio nono-hidratado \u00e0 solu\u00e7\u00e3o do precursor.", "mime": "application/pdf"}, {"id": "ecletica-554", "words": "2050", "extension": ".pdf", "flesch": "55", "author": "Montanari, Bianca; Vast, Pierre; Martines, Marco Antonio Utrera; Ribeiro, Sidney Jos\u00e9 Lima; Messaddeq, Younes", "title": "Influ\u00eancia do pH na estabilidade dos coacervatos de prata como precursores v\u00edtreos", "date": "2002", "keywords": "coacervatos; compiegne; dos; forma\u00e7\u00e3o; javascript; prata; void(0", "summary": "Influ\u00eancia do pH: Ajustou-se o pH das solu\u00e7\u00f5es de partida de polifosfato de s\u00f3dio (pH ~3 e 5) com \u00e1cido n\u00edtrico concentrado. Resultados Influ\u00eancia do pH Partindo de uma solu\u00e7\u00e3o aquosa, de polifosfato de s\u00f3dio 4 mol/L e nitrato de prata 2 mol/L, a pH ~ 12, observou-se a forma\u00e7\u00e3o de um precipitado de colora\u00e7\u00e3o amarela, est\u00e1vel.", "mime": "application/pdf"}, {"id": "ecletica-555", "words": "2821", "extension": ".pdf", "flesch": "48", "author": "Ferrari, Jefferson Luis; Pires, Ana Maria; Davolos, Marian Rosaly; Ribeiro, Cl\u00f3vis Augusto", "title": "Estudo da decomposi\u00e7\u00e3o t\u00e9rmica de oxalato de estr\u00f4ncio dopado com c\u00e9rio(III) como precursor de materiais luminescentes", "date": "2002", "keywords": "com; c\u00e9rio; decomposi\u00e7\u00e3o; dopado; estr\u00f4ncio; fase; mistura; oxalato; por; sr2ceo4; src2o4", "summary": "Os produtos foram analisados por XRD e espectroscopia de luminesc\u00eancia e apresentam mistura das fases SrCeO3, Sr2CeO4 e SrCO3. Este trabalho, ent\u00e3o, trata da obten\u00e7\u00e3o de SrC2O4, Ce2(C2O4)3, e SrC2O4 dopado com diferentes porcentagens de Ce3+ como precursores do lumin\u00f3foro azul Sr2CeO4 e da an\u00e1lise termogravim\u00e9trica dos precursores.", "mime": "application/pdf"}, {"id": "ecletica-556", "words": "4572", "extension": ".pdf", "flesch": "54", "author": "Flor, Juliana; Davolos, Marian Rosaly; Jafelicci J\u00fanior, Miguel", "title": "Estudo de alguns esfeitos na precipita\u00e7\u00e3o de part\u00edculas esf\u00e9ricas de s\u00edlica via microemuls\u00e3o inversa", "date": "2002", "keywords": "amostra; com; das; dos; foi; forma; javascript; links; microemuls\u00e3o; para; part\u00edculas; precipita\u00e7\u00e3o; purifica\u00e7\u00e3o; que; silicato; solu\u00e7\u00e3o; s\u00edlica; s\u00f3dio; tamanho; void(0; \u00e1gua", "summary": "O modelo para a amostra M3 pressup\u00f5e a prepara\u00e7\u00e3o das part\u00edculas de s\u00edlica formadas na microemuls\u00e3o inversa, surfactante AOT - heptano - \u00e1gua, com a propor\u00e7\u00e3o \u00e1gua / surfactante W = 18. A forma e o tamanho s\u00e3o definidos pela natureza da microemuls\u00e3o, justificando a forma\u00e7\u00e3o das part\u00edculas de s\u00edlica esf\u00e9ricas e ocas.", "mime": "application/pdf"}, {"id": "ecletica-557", "words": "3722", "extension": ".pdf", "flesch": "50", "author": "Carvalho, Wagner Alves", "title": "Oxida\u00e7\u00e3o de ciclohexano em fase gasosa catalisada por argilas pilarizadas com ferro e cromo ", "date": "2002", "keywords": "argilas; cicloexano; clays; com; como; dos; foi; foram; javascript; links; nas; oxida\u00e7\u00e3o; para; pilarizadas; por; produtos; que; sob; s\u00e3o; s\u00edtios; uma; void(0", "summary": "Assim, as peneiras moleculares redox t\u00eam um enorme potencial na s\u00edntese org\u00e2nica industrial, substituindo as oxida\u00e7\u00f5es tradicionais, que empregam sais de metais de transi\u00e7\u00e3o em quantidades estequiom\u00e9tricas como oxidantes inorg\u00e2nicos, como uma forma de prote\u00e7\u00e3o ao meio ambiente.12,13,14 A primeira peneira 5,5 \u00c5, foi desenvolvida nos anos 80 por pesquisadores da Enichem, It\u00e1lia, e j\u00e1 \u00e9 empregada em processos industriais como hidroxila\u00e7\u00e3o de fenol e amoxida\u00e7\u00e3o de cicloexanona para oxima de cicloexanona.11 Ap\u00f3s o grande impulso dado na \u00e1rea de oxida\u00e7\u00f5es seletivas pela introdu\u00e7\u00e3o da TS-1, v\u00e1rios estudos t\u00eam sido feitos no sentido de se obter novos materiais que possuam metais de transi\u00e7\u00e3o incorporados em peneiras moleculares com poros grandes o suficiente para permitir", "mime": "application/pdf"}, {"id": "ecletica-558", "words": "2831", "extension": ".pdf", "flesch": "43", "author": "Guimar\u00e3es, Christian Alexander; de Moraes, Margarida", "title": "Efeito do tipo e tempo de agita\u00e7\u00e3o na atividade catal\u00edtica de rutenioporfirina", "date": "2002", "keywords": "agita\u00e7\u00e3o; catalisador; com; como; doador; foram; javascript; links; oxig\u00eanio; para; por; que; sonica\u00e7\u00e3o; void(0", "summary": "vol.27 no.special S\u00e3o Paulo 2002 http://dx.doi.org/10.1590/S0100-46702002000200030 Efeito do tipo e tempo de agita\u00e7\u00e3o na atividade catal\u00edtica de rutenioporfirina Effect of the type and time of stirring in the catalytic activity of rutheniumporphyrin Christian Alexander Guimar\u00e3es; Margarida de Moraes Departamento de Qu\u00edmica - UFScar - 13565-905 - S\u00e3o Carlos - SP - Brasil RESUMO Neste trabalho, o complexo (carbonil)[tetrakis(5,10,15,20-ortobromofenil)porfirinato]rut\u00eanio(II) foi sintetizado e estudado como catalisador na oxida\u00e7\u00e3o de cicloexano por iodosilbenzeno. http://www.scielo.br/scielo.php?script=sci_serial&pid=0100-4670&lng=en&nrm=iso Introdu\u00e7\u00e3o O oxig\u00eanio molecular \u00e9 um reagente abundante, sendo o mais atrativo agente oxidante, podendo ser utilizado em muitas rea\u00e7\u00f5es de oxida\u00e7\u00e3o.", "mime": "application/pdf"}, {"id": "ecletica-559", "words": "2418", "extension": ".pdf", "flesch": "58", "author": "Rom\u00e3o, Luciane Pimenta Cruz; Ara\u00fajo, Adriana Barbosa; Rosa, Andr\u00e9 Henrique; Rocha, Julio Cesar", "title": "Redu\u00e7\u00e3o de cr\u00f4mio hexavalente por subst\u00e2ncias h\u00famicas aqu\u00e1ticas imobilizadas em aminopropil s\u00edlica", "date": "2002", "keywords": "apts; com; cr(vi; humic; javascript; links; redu\u00e7\u00e3o; sha; sio2; suporte; void(0", "summary": "Comparando-se os espectros de IV das SHA com o do suporte APTS- Ap\u00f3s purifica\u00e7\u00e3o por di\u00e1lise, fez-se a imobiliza\u00e7\u00e3o das SHA na aminopropil s\u00edlica (APTS-SiO2) em pH 7,0, sob agita\u00e7\u00e3o mec\u00e2nica por 48 horas \u00e0 temperatura ambiente.", "mime": "application/pdf"}, {"id": "ecletica-56", "words": "3571", "extension": ".pdf", "flesch": "55", "author": "Tubino, Matthieu; Bianchessi, Lu\u00eds Francisco; Vila, Marta Maria Duarte Carvalho", "title": "Microgravimetric method for the determination of metformin in pharmaceutical preparations and in the bulk drug", "date": "2016", "keywords": "determination; grav; hplc; hydrochloride; metformin; method; pharmaceutical; preparations; solution", "summary": "64 64 Solutions Standard solution of metformin hydrochloride: prepared in calibrated 50 mL volumetric flask; about 7.5 grams (weighed to 0.1 mg) of the drug (98.5 % certified metformin hydrochloride) was dissolved in Milli Q Pure class water. Standard solutions for the calibration curve, HPLC: 507.6 mg of the drug (containing 500.0 mg of metformin hydrochloride) was exactly weighed and transferred to a 100.0 mL volumetric flask and dissolved with 50.0 mL of methanol.", "mime": "application/pdf"}, {"id": "ecletica-560", "words": "2573", "extension": ".pdf", "flesch": "55", "author": "Andrade, Ruth Sales Gama; Diniz, Maria Celeste Teixeira; Neves, Eduardo Almeida; N\u00f3brega, Joaquim Ara\u00fajo", "title": "Determina\u00e7\u00e3o e distribui\u00e7\u00e3o de \u00e1cido asc\u00f3rbico em tr\u00eas frutos tropicais", "date": "2002", "keywords": "acerola; ara\u00e7\u00e1; como; foi; foram; frutos; grau; laranja; matura\u00e7\u00e3o; para; que; solu\u00e7\u00e3o; uma", "summary": "No trabalho desenvolvido buscou-se correlacionar a distribui\u00e7\u00e3o de AA em fun\u00e7\u00e3o do grau de matura\u00e7\u00e3o de tr\u00eas frutos, i.e. acerola, ara\u00e7\u00e1 e laranja, facilmente dispon\u00edveis em diferentes regi\u00f5es do Brasil. Comportamento semelhante tamb\u00e9m foi observado para acerolas e laranjas, que apresentaram uma concentra\u00e7\u00e3o m\u00e9dia na parte superior de 17,7 mg g-1 e 0,612 mg L-1 e na parte inferior 19,6 mg g-1 e 0,665 mg L-1, respectivamente.", "mime": "application/pdf"}, {"id": "ecletica-561", "words": "2786", "extension": ".pdf", "flesch": "50", "author": "Buffa Filho, Waldemar; Pereira, Ana Maria Soares; Fran\u00e7a, Suzelei de Castro; Furlan, Maysa", "title": "Indu\u00e7\u00e3o de metab\u00f3litos bioativos em culturas de c\u00e9lulas de Maytenus ilicifolia", "date": "2002", "keywords": "com; culturas; c\u00e9lulas; dos; foi; foram; frascos; ilicifolia; javascript; meio; metab\u00f3litos; para; que; uma; void(0", "summary": "Palavras-chave: Maytenus ilicifolia, Celastraceae, cultura de c\u00e9lulas, triterpenos quinonamet\u00eddeos ABSTRACT Maytenus ilicifolia (Celastraceae) showed the accumulation of quinonamethide triterpenes, which http://www.scielo.br/scielo.php?script=sci_serial&pid=0100-4670&lng=en&nrm=iso constitute a class of secondary metabolites with comproved biological activity. Os frascos continham o mesmo volume de meio de cultura, o mesmo di\u00e2metro mas variavam em altura.", "mime": "application/pdf"}, {"id": "ecletica-562", "words": "2146", "extension": ".pdf", "flesch": "49", "author": "Valente, Jos\u00e9 Pedro Serra; Bozano, Dorot\u00e9ia de F\u00e1tima; Costa Junior, Ciniro; Florentino, Ariovaldo de Oliveira", "title": "Hidrogeneoftalato de pot\u00e1ssio como mol\u00e9cula modelo para estudos de adsor\u00e7\u00e3o sobre TiO2", "date": "2002", "keywords": "adsor\u00e7\u00e3o; freundlich; javascript; langmuir; modelo; para; por; que; tio2; void(0", "summary": "do hidrogeneoftalato sobre TiO2 se ajustam aos modelos de adsor\u00e7\u00e3o de Langmuir e Freundlich, sendo que o modelo de Freundlich se ajusta ligeiramente melhor. Introdu\u00e7\u00e3o A fotocat\u00e1lise heterog\u00eanea vem se firmando como a principal ferramenta para degrada\u00e7\u00e3o de contaminantes org\u00e2nicos persistentes de corpos de \u00e1guas residuais e naturais1-5,8,12.", "mime": "application/pdf"}, {"id": "ecletica-563", "words": "1723", "extension": ".pdf", "flesch": "50", "author": "Beatrice, Carlos Roberto Sobreira ; Garlipp, Waldir; Cilense, M\u00e1rio; Adorno, Antonio Tallarico", "title": "Effect of magnesium addition on the vacancy-Mg binding free enthalpy in Al-Cr alloys", "date": "2002", "keywords": "alloys; javascript; links; temperature; vacancy; void(0", "summary": "For results The statistical analysis for the determination of thermal equilibrium vacancy concentration in a diluted binary A-B alloy, being A the metal solvent and B the dilute or impure metal, with arbitrary concentration15,20, considers the existence of a positive binding free enthalpy between vacancies and impurity atoms. A entalpia livre de liga\u00e7\u00e3o vac\u00e2ncia-Mg, em ligas com solu\u00e7\u00e3o s\u00f3lida de Al-Cr contendo adi\u00e7\u00e3o de Mg, foi calculada por medidas de resisitivadade el\u00e9trica.", "mime": "application/pdf"}, {"id": "ecletica-564", "words": "4372", "extension": ".pdf", "flesch": "49", "author": "dos Santos, Ademir; Rezende, Maria Ol\u00edmpia de Oliveira; Rosa, Andr\u00e9 Henrique; Zara, Luiz Fabr\u00edcio; Rocha, Julio Cesar", "title": "Distribui\u00e7\u00e3o de Cr, Ni, Cu, Cd e Pb em fra\u00e7\u00f5es h\u00famicas de diferentes tamanhos moleculares extra\u00eddas de amostras de \u00e1gua e de sedimentos do reservat\u00f3rio de capta\u00e7\u00e3o de \u00e1gua superficial Anhumas \u2013 Araraquara-SP", "date": "2002", "keywords": "amostras; com; das; diferentes; foram; fra\u00e7\u00f5es; humic; h\u00famicas; javascript; links; moleculares; nas; para; por; sedimento; subst\u00e2ncias; tamanhos; void(0; \u00e1gua", "summary": "Resultados e Discuss\u00e3o Distribui\u00e7\u00e3o da massa de subst\u00e2ncias h\u00famicas em fun\u00e7\u00e3o do tamanho molecular A Tabela 1 mostra os resultados m\u00e9dios da an\u00e1lise da composi\u00e7\u00e3o elementar das subst\u00e2ncias h\u00famicas extra\u00eddas de amostras de \u00e1gua e sedimentos do reservat\u00f3rio de capta\u00e7\u00e3o de \u00e1gua superficial Anhumas. As SH foram extra\u00eddas de amostras de \u00e1gua (SHA) e de sedimentos de superf\u00edcie (SHSS), interface/\u00e1gua (SHSI) e fundo (SHSF) coletados no reservat\u00f3rio de capta\u00e7\u00e3o de \u00e1gua superficial Anhumas, localizado no munic\u00edpio de Araraquara-SP.", "mime": "application/pdf"}, {"id": "ecletica-565", "words": "3864", "extension": ".pdf", "flesch": "54", "author": "Pereira, Simone de F\u00e1tima Pinheiro; Ferreira, S\u00e9rgio Luis Costa; Costa, Antonio Celso Sp\u00ednola; Sraiva, Augusto C\u00e9sar Fonseca; Silva, Antonia Kelen Frota", "title": "Determina\u00e7\u00e3o espectrofotom\u00e9trica do ars\u00eanio em cabelo usando o m\u00e9todo do dietilditiocarbamato de prata (SDDC) e trietanolamina/CHCL3 como solvente", "date": "2002", "keywords": "amostras; arsenic; ars\u00eanio; cabelo; chcl3; com; como; foi; foram; javascript; links; m\u00e9todo; para; que; sddc; solu\u00e7\u00e3o; trietanolamina; uma; usando; void(0", "summary": "O complexo foi est\u00e1vel por 270 minutos, a faixa de aplica\u00e7\u00e3o da lei de Beer foi de 0,0 a 25,0 mg As, a repetibilidade foi de A curva (y=0,029x - 0,014) apresentou um coeficiente de correla\u00e7\u00e3o de 0,9961 no intervalo de 0,0 a 25,0 mg de As. http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-46702002000100014&lng=en&nrm=iso&tlng=pt#fig06 http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-46702002000100014&lng=en&nrm=iso&tlng=pt#fig05 Repetibilidade e limite de detec\u00e7\u00e3o A repetibilidade do sistema foi de 0,028 mg", "mime": "application/pdf"}, {"id": "ecletica-566", "words": "4040", "extension": ".pdf", "flesch": "65", "author": "Barbosa, Luiz Cl\u00e1udio de Almeida ; Maltha, C\u00e9lia Regina \u00c1lvares; Alvarenga, Elson Santiago", "title": "S\u00edntese e avalia\u00e7\u00e3o da atividade antimal\u00e1rica de novos ozon\u00eddeos", "date": "2002", "keywords": "7,0; com; dos; espectro; foi; foram; ona; ozon\u00eddeos; para; que; rmn", "summary": "Agradecimento Os autores expressam seus agradecimentos ao Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico (CNPq), pela concess\u00e3o de bolsa de pesquisa (LCAB), e tamb\u00e9m \u00e0 Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior (CAPES), pelo suporte financeiro. RMN de 1H (CDCl3, 250 MHz)", "mime": "application/pdf"}, {"id": "ecletica-567", "words": "3279", "extension": ".pdf", "flesch": "52", "author": "dos Santos, M\u00e1rcio Luiz; de Souza, Paulo Cezar Rioli Duarte ; Vercik, Luci Cristina de Oliveira; Guastaldi, Ant\u00f4nio Carlos", "title": "Estudo microestrutural e resist\u00eancia \u00e0 corros\u00e3o de uma liga de Au soldada a laser, empregada em pr\u00f3tese sobre implantes", "date": "2002", "keywords": "base; com; como; corros\u00e3o; implantes; javascript; laser; ligas; links; metais; metal; ouro; para; processo; que; regi\u00e3o; resist\u00eancia; soldagem; uma; void(0", "summary": "Para o metal base observa-se uma extensa regi\u00e3o de passiva\u00e7\u00e3o de +0,1 a + 0,8V (ECS) com varia\u00e7\u00e3o de corrente passiva 0,1 a 1mAcm -2. Para os ensaios de polariza\u00e7\u00e3o potenciodin\u00e2mica utilizou-se velocidade de varredura de 0,001Vs-1 e intervalo de potenciais de -0,5 a 0,8 V (ECS).", "mime": "application/pdf"}, {"id": "ecletica-568", "words": "2405", "extension": ".pdf", "flesch": "52", "author": "de Almeida, Eduardo Tonon; Mauro, Antonio Eduardo; Martinez Santana, Anderson", "title": "Comportamento t\u00e9rmico de composto ciclopaladados binucleares contendo azo-ligantes ani\u00f4nicos", "date": "2002", "keywords": "com; como; compostos; dos; foram; javascript; ligantes; links; pd(dmba)(m; uma; void(0", "summary": "Este fato \u00e9 explicado pelo uso do equipamento TGS-2 da Perkin Elmer que n\u00e3o permitia atingir temperaturas superiores a 900 \u00baC, com seguran\u00e7a e boa resolu\u00e7\u00e3o, em compara\u00e7\u00e3o com o equipamento SDT 2960 da TA-Instruments. Elas, ent\u00e3o, foram concentradas sob press\u00e3o reduzida e, sem aquecimento, a \u00be dos seus volumes iniciais, havendo a precipita\u00e7\u00e3o, devido a adi\u00e7\u00e3o de pentano, de dois compostos brancos, nas solu\u00e7\u00f5es contendo os ligantes pirazolato e imidazolato, respectivamente, e um s\u00f3lido amarelo na solu\u00e7\u00e3o contendo o 3,5-dimetil-pirazolato.", "mime": "application/pdf"}, {"id": "ecletica-569", "words": "2673", "extension": ".pdf", "flesch": "50", "author": "Fagnani, Enelton; Melios, Cristo Bladimiros; Pezza, Leonardo; Pezza, Helena Redigolo", "title": "Desenvolvimento de m\u00e9todo espectrofotom\u00e9trico para an\u00e1lise de paraformalde\u00eddo em saneantes comerciais e industriais", "date": "2002", "keywords": "com; como; concentrado; foram; formaldehyde; formalde\u00eddo; javascript; links; m\u00e9todo; para; que; qu\u00edmica; void(0; \u00e1cido", "summary": "O presente artigo descreve uma metodologia espectrofotom\u00e9trica para a an\u00e1lise de paraformalde\u00eddo presente em amostras de saneantes comerciais e industriais, utilizando-se \u00e1cido cromotr\u00f3pico (ACT), \u00e1cido clor\u00eddrico concentrado e per\u00f3xido de hidrog\u00eanio, produzindo um composto p\u00farpura - avermelhado (l max = 575 nm). O m\u00e9todo espectrofotom\u00e9trico do \u00e1cido cromotr\u00f3pico11 em meio de \u00e1cido sulf\u00farico concentrado se destaca no contexto anal\u00edtico por apresentar grande sensibilidade, alta seletividade e \u00e9 usado para a determina\u00e7\u00e3o de formalde\u00eddo no ar28, para an\u00e1lises ambientais3 e ocupacionais19,29, sendo atualmente recomendado pelo NIOSH (National Institute for Occupational Safety and Health)22.", "mime": "application/pdf"}, {"id": "ecletica-57", "words": "2662", "extension": ".pdf", "flesch": "63", "author": "Ripardo Filho, Haroldo da Silva; Pacheco, Luidi Cardoso; Andrade, Edinaldo da Silva; Ribeiro, Williams da Silva; Guilhon, Giselle Maria Skelding Pinheiro; Corr\u00eaa, Marivaldo Jos\u00e9 Costa; Romero, Oscar Augusto S\u00e1nchez; Santos, Lourivaldo da Silva; Souza Filho, Ant\u00f4nio Pedro da Silva", "title": "Phytotoxic activity of compounds from Moutabea guianensis aubl. on Amazonian invasive species", "date": "2016", "keywords": "germination; phytotoxic; seed", "summary": "[19] Vilhena, K. S. S.; Guilhon, G. M. S. P.; Souza Filho, A. P. S.; Zoghbi, M. G. B.; Santos, L. S.; Arruda, M. S. P.; Arruda, A. C.; Allelopathy J. 23 (1) 2009, 221. [10] Ripardo Filho, H. S.; Pach\u00eaco, L. C.; Souza Filho, A. P. S.; Guilhon, G. M. S. P.; Arruda, M. S. P.; Santos, L. S.; Planta Daninha 30 (4) (2012), 705.", "mime": "application/pdf"}, {"id": "ecletica-570", "words": "2081", "extension": ".pdf", "flesch": "55", "author": "Gigante, Andr\u00e9a Cristina; Pezza, Leonardo; Pezza, Helena Redigolo", "title": "Determina\u00e7\u00e3o espectrofotom\u00e9trica de \u00e1cido glic\u00f3lico com \u00e1cido cromotr\u00f3pico assistida por forno de microondas", "date": "2002", "keywords": "acid; com; foi; glic\u00f3lico; javascript; links; para; por; void(0; \u00e1cido", "summary": "O m\u00e9todo proposto foi aplicado na an\u00e1lise de amostras comerciais de \u00e1cido glic\u00f3lico utilizadas em farm\u00e1cias de manipula\u00e7\u00e3o no preparo de medicamentos de combate \u00e0 acne, fornecendo bons resultados, com recobrimentos entre 97,0-101,4% e desvio padr\u00e3o de 0,2-0,4%. A metodologia proposta foi aplicada com sucesso \u00e0 an\u00e1lise de amostras comerciais de \u00e1cido glic\u00f3lico 70% (m/v).", "mime": "application/pdf"}, {"id": "ecletica-571", "words": "3864", "extension": ".pdf", "flesch": "50", "author": "Neri, Cl\u00e1udio Roberto; Serra, Osvaldo Antonio; Vinhado, F\u00e1bio da Silva; Maestrin, Ana Paula Jecks; Iamamoto, Yassuko; Ferreira, Antonio Gilberto", "title": "S\u00edntese, caracteriza\u00e7\u00e3o e estudos de transfer\u00eancia de energia do complexo dim\u00e9rico constitu\u00eddo por Zn e Mn porfirina", "date": "2002", "keywords": "dos; d\u00edmero; energia; espectro; foi; javascript; links; mn(tppf4)2pip; n\u00e3o; para; por; porfirina; que; rmn; transfer\u00eancia; uma; void(0; zntppf4piph", "summary": "Zn,Mn(TPPF4)2pip \u00b7 Espectros de absor\u00e7\u00e3o UV-Vis: Registrou-se os espectros de absor\u00e7\u00e3o no UV-Vis para as porfirinas F5TPPH2, ZnF5TPP, ZnTPPF4pipH e da Zn,Mn(TPPF4)2pip (~10-5 mol.L-1) Compostos vers\u00e1teis como as porfirinas possuem componentes e propriedades que propiciam o estudo do efeito de orienta\u00e7\u00e3o, energia, dist\u00e2ncia de transfer\u00eancia de energia e as velocidades de transfer\u00eancia de el\u00e9trons7,16.", "mime": "application/pdf"}, {"id": "ecletica-572", "words": "2131", "extension": ".pdf", "flesch": "51", "author": "Polese, Luciana; Dores, Eliana Freire Gaspar de Carvalho; Jardim, Elaine F\u00e1tima Galatti ; Navickiene, Sandro; Ribeiro, Maria L\u00facia", "title": "Determination of herbicides residues in soil by small scale extraction", "date": "2002", "keywords": "determination; herbicides; javascript; links; method; samples; soil; void(0", "summary": "The efficiency of a small scale method for determination of these herbicides and two degradation products (deisopropylatrazine and deethylatrazine) in soil samples was evaluated. The compounds were extracted from soil samples (5 g) with 20 ml of ethyl acetate in a mechanical shaker for 50 min.", "mime": "application/pdf"}, {"id": "ecletica-574", "words": "2003", "extension": ".pdf", "flesch": "44", "author": "Batista, Mary Kalina Sarmento; Pimentel, Patr\u00edcia Mendon\u00e7a; Lima, Francisco Jos\u00e9 Santos; Pedrosa, Anne Michelle Garrido; da Silva, Afr\u00e2nio Gabriel; Zinner, Klaus", "title": "Avalia\u00e7\u00e3o dos par\u00e2metros \u00f3pticos-eletr\u00f4nicos do \u00edon Nd3+ nos compostos Nd(TMS)3.9H2O e Nd(TMS)35BPMU.2H2O em solu\u00e7\u00e3o", "date": "2002", "keywords": "com; das; dos; for\u00e7a; javascript; links; para; polarizabilidades; que; uma; void(0", "summary": "Entendemos que ocorre uma diminui\u00e7\u00e3o do controle do \u00edon Nd3+ pelo seu el\u00e9tron 4f3, com o aumento da coval\u00eancia, o que favorece a uma maior distor\u00e7\u00e3o na nuvem eletr\u00f4nica. A polarizabilidade \u00e9 uma propriedade que avalia distor\u00e7\u00e3o da nuvem eletr\u00f4nica em uma esp\u00e9cie quando condicionada a intera\u00e7\u00e3o de um campo el\u00e9trico com a mat\u00e9ria e pode ser definida pela raz\u00e3o entre o momento de dipolo induzido, m , e o campo respons\u00e1vel pelo momento, eO, de forma que1, 2, 6, 11: Onde: a = polarizabilidade mok = momento total de um sistema eok = campo el\u00e9trico aplicado A polarizabilidade total de um sistema \u00e9 dada pelo somat\u00f3rio das polarizabilidades: i) at\u00f4mica (soma vetorial da contribui\u00e7\u00e3o dos el\u00e9trons em um \u00e1tomo) ou molecular (soma vetorial da contribui\u00e7\u00e3o de todos os el\u00e9trons dos \u00e1tomos em uma mol\u00e9cula); ii) eletr\u00f4nica (distor\u00e7\u00e3o da nuvem ocasionada por el\u00e9trons fotoativados); iii) de orienta\u00e7\u00e3o (depend\u00eancia da distor\u00e7\u00e3o da nuvem eletr\u00f4nica com a temperatura, na presen\u00e7a de um campo el\u00e9trico)2.", "mime": "application/pdf"}, {"id": "ecletica-575", "words": "2735", "extension": ".pdf", "flesch": "57", "author": "Faccin, Fl\u00e1vio; Guedes, Fabiana Flores; Benvenutti, Edilson Valmir; Moro, Celso Camilo", "title": "A FTIR study of the metal-support interactions and hydrogen spillover on Pd/TiO2 and Ni/TiO2", "date": "2002", "keywords": "hydrogen; interactions; javascript; links; metal; support; tio2; void(0", "summary": "The hydrogen spillover mechanism, that consist in adsorption of molecular hydrogen followed its dissociation and migration of the atomic hydrogen from metal to the support bulk, was already reported for metal dispersed materials that present strong metal-support interactions, like Pt/TiO2.2,3 [ Links ] 20 SPENCER, M. S. Models of strong metal support interaction (smsi) in Pt on TiO2 catalysts.", "mime": "application/pdf"}, {"id": "ecletica-576", "words": "1374", "extension": ".pdf", "flesch": "49", "author": "Tsuruta, Ang\u00e9lica Yucari; Bomm, Mauro Dionei; Lopes, M\u00e1rcia Nasser; Lopes, Lucia Maria Xavier ", "title": "Aristolactams and further constituents from Aristolochia chamissonis", "date": "2002", "keywords": "aii; aristolactam; aristolochia; chamissonis; javascript", "summary": "In a previously paper we had reported the isolation of rearranged (4\u00ae 2)-abeo-clerodane and clerodane diterpenes from the hexane extract of stems of Aristolochia chamissonis 3. In this paper we describe the isolation from the ethanol extract of spathulenol, sitosterol, kolavelool, 13- epi-2-oxo-kolavelool, previously isolated from Aristolochia chamissonis 3.", "mime": "application/pdf"}, {"id": "ecletica-577", "words": "2044", "extension": ".pdf", "flesch": "48", "author": "de Faria, Elaine Aleves; Leles, Maria In\u00eas Gon\u00e7alves; Ionashiro, Massao; Zuppa, Tatiana de Oliveira; Antoniosi Filho, Nelson Roberto", "title": "Estudo da estabilidade t\u00e9rmica de \u00f3leos e gorduras vegetais por TG/DTG e DTA", "date": "2002", "keywords": "com; dta; dtg; estabilidade; gorduras; que; s\u00e3o; t\u00e9rmica; vegetais; \u00f3leos", "summary": "A curva TG evidencia uma \u00fanica etapa de perda de massa, as perdas detectadas, refere-se a rea\u00e7\u00f5es sucessivas de perda de massa que n\u00e3o s\u00e3o claramente observadas na curva TG. As curvas TG/DTG do \u00f3leo de buriti Figura 2 mostraram uma \u00fanica etapa de perda de massa entre 321\u00baC e 483\u00baC que se refere \u00e0 decomposi\u00e7\u00e3o e carboniza\u00e7\u00e3o do material.", "mime": "application/pdf"}, {"id": "ecletica-578", "words": "2289", "extension": ".pdf", "flesch": "51", "author": "de Oliveira, Jos\u00e9 Dilson Silva; Fertonani, Fernando Lu\u00eds; Melios, Cristo Bladimiros; Ionashiro, Massao", "title": "Thermal behaviour studies of solid state compounds of cinnamylidenepyruvate with trivalent lanthanides and yttrium (III) in an atmosphere of CO2", "date": "2002", "keywords": "compounds; decomposition; lanthanides; melios", "summary": "[ Links ] 8 OLIVEIRA, L.C.S.; MELIOS, C.B.; CRESPI, M.S.; RIBEIRO, C.A.; IONASHIRO, M. Preparation and thermal decomposition of solid state compounds of 4-methoxybenzylidenepyruvate and trivalent lanthanides and yttrium. [ Links ] javascript:void(0); javascript:void(0); javascript:void(0); javascript:void(0); javascript:void(0); 6 MENDES, R.A.; CARVALHO FILHO, M.A.S.; FERNANDES, N.S.; MOSCARDINI D\ufffdASSUN\u00c7\u00c3O, L.; MELIOS, C.B.; IONASHIRO, M. Preparation, characterization and thermal behavior studies of solid state compounds of 4-chlorobenzylidenepyruvate with Mn(II), Fe(II) and Ni(II).", "mime": "application/pdf"}, {"id": "ecletica-579", "words": "1780", "extension": ".pdf", "flesch": "47", "author": "de Souza, Hil\u00e9ia Karla Silva; Sousa, Emanuel Alves; da Silva, Afr\u00e2nio Gabriel; Melo, Dulce Maria de Ara\u00fajo; Lima, Francisco Jos\u00e9 Santos", "title": "Efeitos \u00f3pticos - eletr\u00f4nicos de solventes nas polarizabilidades eletr\u00f4nicas do \u00edon Ni2+ no complexo [Ni(C3H4N2)6](CF3SO3)2", "date": "2002", "keywords": "com; dos; freq\u00fc\u00eancia; javascript; para; que; transi\u00e7\u00e3o; uma; void(0", "summary": "Para n >> nOK', o sentido do campo muda de orienta\u00e7\u00e3o muito rapidamente e a se aproxima de zero assintoticamente por baixo (a assume valores negativos), j\u00e1 que o el\u00e9tron opticamente ativo n\u00e3o contribui mais para o momento de dipolo induzido, devido as suas caracter\u00edsticas intr\u00ednsecas de liga\u00e7\u00e3o no ambiente f\u00edsico-qu\u00edmico da esp\u00e9cie, impedindo a reorienta\u00e7\u00e3o simult\u00e2nea (efeito contr\u00e1rio causado pelo campo el\u00e9trico \u00e0 oscila\u00e7\u00e3o do el\u00e9tron \u00f3ptico); f) a' se anula para a freq\u00fc\u00eancia fora do intervalo de resson\u00e2ncia e assume seu valor m\u00e1ximo quando n = nOK . e fora de fase m\u00e1xima (a') menores, para a transi\u00e7\u00e3o 3A2g(3F) \u00ae 3T1g(3P) quando comparadas aos espectros dos complexos no mesmo solvente.", "mime": "application/pdf"}, {"id": "ecletica-580", "words": "2081", "extension": ".pdf", "flesch": "53", "author": "Pedrosa, Anne Michelle Garrido; Batista, Mary Kalina Sarmento; Borges, Filipe Martel Magalh\u00e3es; Zinner, L\u00e9a Barbieri; Scatena J\u00fanior, H\u00e9lio; Melo, Dulce Maria de Ara\u00fajo", "title": "Par\u00e2metros cin\u00e9ticos da degrada\u00e7\u00e3o t\u00e9rmica de complexos entre percloratos de terras raras com lactama", "date": "2002", "keywords": "com; complexos; dos; foram; javascript; links; para; void(0", "summary": "As curvas termogravim\u00e9tricas foram registradas em uma termobalan\u00e7a Perkin Elmer TGA-7 com raz\u00e3o de aquecimento de 0,083 K s-1 sob atmosfera din\u00e2mica de ar e N2 e vaz\u00e3o O crit\u00e9rio de qualidade para a aproxima\u00e7\u00e3o entre as curvas simulada e experimental foi visual e as derivadas primeira e segunda das curvas TG auxiliam nesse sentido.", "mime": "application/pdf"}, {"id": "ecletica-581", "words": "2282", "extension": ".pdf", "flesch": "57", "author": "Schnitzler, Egon; Lazzarotto, M\u00e1rcio; Carvalho-Filho, Marco Aurelio da Silva; Ionashiro, Massao", "title": "Thermoanalytical study of the complexes of 4-dimethylaminocynnamylidenepyruvate with manganese (II), cobalt (II), nickel (II), copper (II), zinc (II) and lead (II), in the solid state", "date": "2002", "keywords": "compounds; curves; dtg", "summary": "[ Links ] 10 OLIVEIRA, L. C. S.; MELIOS, C. B.; CRESPI, M. S.; IONASHIRO, M. Preparation and thermal decomposition of solid state compounds of 4-methoxybenzylidenepyruvate and trivalent lanthanides and yttrium. [ Links ] 15 SCHNITZLER, E.; MELIOS, C. B.; IONASHIRO, M. Preparation and solid state compounds of 4-methoxibenzylidenepyruvate and 4-dimethylaminocynnamylidenepyruvate with iron (III) and chromium (III).", "mime": "application/pdf"}, {"id": "ecletica-582", "words": "3899", "extension": ".pdf", "flesch": "50", "author": "Fatibello Filho, Orlando; de Souza, Micheli Guarento; Vieira, Iolanda da Cruz", "title": "Determina\u00e7\u00e3o espectrofotom\u00e9trica por inje\u00e7\u00e3o em fluxo de compostos fen\u00f3licos em \u00e1guas residu\u00e1rias empregando peroxidase de abobrinha (Cucurbita pepo)", "date": "2002", "keywords": "com; como; enzima; fenol; fluxo; foi; hidrog\u00eanio; javascript; l-1; links; mol; para; peroxidase; per\u00f3xido; sistema; void(0", "summary": "http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-46702002000100005&lng=en&nrm=iso&tlng=pt#tab03 Curva anal\u00edtica e an\u00e1lise de amostras de \u00e1guas residu\u00e1rias industriais Empregando-se as melhores condi\u00e7\u00f5es experimentais selecionadas como solu\u00e7\u00e3o tamp\u00e3o fosfato 0,1 mol L-1 (pH 6,0), extrato bruto de abobrinha contendo peroxidase 500 unidades mL-1, concentra\u00e7\u00e3o de per\u00f3xido de hidrog\u00eanio 4,0x10-3 mol L-1 e par\u00e2metros do sistema em fluxo especificados na legenda da Figura 1, construiu-se uma curva anal\u00edtica para o fenol. Nesse estudo, foram selecionadas as concentra\u00e7\u00f5es 6,0x10-4 e 8,0x10-4 mol L-1 de fenol em per\u00f3xido de hidrog\u00eanio 4,0x10-3 mol L-1.", "mime": "application/pdf"}, {"id": "ecletica-583", "words": "2982", "extension": ".pdf", "flesch": "52", "author": "Cebim, Marco Aur\u00e9lio; de Groote, Jean-Jacques", "title": "Estudo da s\u00e9rie isoeletr\u00f4nica do \u00e1tomo de h\u00e9lio pelo m\u00e9todo hiperesf\u00e9rico", "date": "2002", "keywords": "com; energia; javascript; links; m\u00e9todo; n\u00e3o; para; phys; que; s\u00e3o; uma; void(0", "summary": "Com isso a energia do sistema \u00e9 obtida com apenas uma simples equa\u00e7\u00e3o diferencial ordin\u00e1ria de segunda ordem. Todo o procedimento at\u00e9 aqui \u00e9 ab-initio mas, considerando o tratamento num\u00e9rico, a expans\u00e3o da fun\u00e7\u00e3o de onda deve ser truncada, de modo a limitar o n\u00famero de equa\u00e7\u00f5es radiais acopladas.", "mime": "application/pdf"}, {"id": "ecletica-584", "words": "1725", "extension": ".pdf", "flesch": "52", "author": "Pinheiro, Marta Helena Tavares; de Lima, Waterloo Napole\u00e3o", "title": "Estudo da utiliza\u00e7\u00e3o do extrato aquoso de barbatim\u00e3o (Stryphnodendron barbatim\u00e3o, M.) no ensino de qu\u00edmica", "date": "1999", "keywords": "barbatim\u00e3o; base; como; extrato; foram; para; qu\u00edmica; s\u00e3o; \u00e1cido", "summary": "Existe na literatura v\u00e1rios trabalhos que buscam direcionar, de forma clara e precisa, o aproveitamento de corantes naturais de vegetais no ensino de Qu\u00edmica. dos obtidos com o eletrodo de vidro; \u2022 da aplica\u00e7\u00e3o da lei de Lambert-Beer; \u2022 do comportamento de indicadores visuais e a sua aplica\u00e7\u00e3o na determina\u00e7\u00e3o de pontos finais em titula\u00e7\u00f5es \u00e1cido-base.", "mime": "application/pdf"}, {"id": "ecletica-586", "words": "1726", "extension": ".pdf", "flesch": "46", "author": "Leles, Maria In\u00eas Gon\u00e7alves; Melios, Cristo Bladimiros; D'Assun\u00e7\u00e3o, L\u00e1zaro Moscardini ; Ionashiro, Massao", "title": "Preparation and thermal behavior of mixture of basic carbonate and 4-dimethylaminocinnamylidenepyruvate with lanthanides (III) and yttrium (III) in the solid state", "date": "1999", "keywords": "compounds; curves; decomposition; dtg; yttrium", "summary": "8 MOSCARDINI D\u2019ASSUN\u00c7\u00c3O, L., GIOLITO, I., IONASHIRO, M. Thermal decomposition of the hydrated basic carbonates of lanthanides and vitrium. Finally, for the anhydrous praseodimium, terbium - lutetium and yttrium compounds, the TG curves show mass losses in two steps with losses of (first step), rest of the ligand DMCP and thermal decomposition of the respectives monoxycarbonates formed during the dehydration of basic carbonate with formation of the oxides, Pr6O11, Tb4O7 and Ln2O3 (second step).", "mime": "application/pdf"}, {"id": "ecletica-587", "words": "3554", "extension": ".pdf", "flesch": "47", "author": "Wiederkehr, Nadir Ana", "title": "A model for specific interactions of manganese-phthalocyanine in protic media", "date": "1999", "keywords": "chem; energy; hydrogen; interactions; manganese; metal; molecule; phthalocyanine; processes; properties; solvent", "summary": "2 AGREN, H., MIKKELSEN, K.V. Theory of solvent effects on electronic spectra. The low permanent molecular dipole moment, induces hydrogen binding with increased solubility pattern for the alcohol hydrogen bond donation ability (a)20,24 so that it can be classified an acidic indicator for organic solvents.", "mime": "application/pdf"}, {"id": "ecletica-588", "words": "1920", "extension": ".pdf", "flesch": "48", "author": "Doyma, Julio Toshimi; Tornero, Maria Teresinha Trovarelli; Yoshida, Massayoshi", "title": "Rela\u00e7\u00f5es lineares m\u00faltiplas entre deslocamentos qu\u00edmicos em RMN 13C de haletos alif\u00e1ticos", "date": "1999", "keywords": "13c; brometos; com; deslocamentos; haletos; iodetos; para; qu\u00edmicos", "summary": "vol.24 S\u00e3o Paulo 1999 http://dx.doi.org/10.1590/S0100-46701999000100005 Rela\u00e7\u00f5es lineares m\u00faltiplas entre deslocamentos qu\u00edmicos em RMN 13C de haletos alif\u00e1ticos Julio Toshimi DOYAMA* Maria Teresinha Trovarelli TORNERO** Massayoshi YOSHIDA*** RESUMO: Os iodetos mostraram boa correla\u00e7\u00e3o com fluoretos e brometos (equa\u00e7\u00f5es 51 a 55) com desvio m\u00e9dio absoluto < 0,60ppm e tamb\u00e9m com fluoretos e cloretos (equa\u00e7\u00f5es 56 e 59) com desvio m\u00e9dio absoluto < 1,00ppm. http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-46701999000100005&lng=en&nrm=iso&tlng=pt#tab2 Com rela\u00e7\u00e3o \u00e0 deslocamentos qu\u00edmicos de cloretos e brometos, Doyama & Yoshida2 relataram uma poss\u00edvel rela\u00e7\u00e3o existente entre as absor\u00e7\u00f5es de alguns haletos alif\u00e1ticos e propuseram uma equa\u00e7\u00e3o, semelhante a proposta neste trabalho, para calcular deslocamentos qu\u00edmicos de cloretos em fun\u00e7\u00e3o dos dados de absor\u00e7\u00f5es de fluoretos e iodetos, cujos coeficientes (A e B) obtidos empiricamente foram 0,47 e 0,53.", "mime": "application/pdf"}, {"id": "ecletica-589", "words": "4874", "extension": ".pdf", "flesch": "56", "author": "Gomes Neto, Jos\u00e9 Anchieta; Curtius, Adilson Jos\u00e9; Dressler, Valderi Lu\u00eds", "title": "Potencialidades anal\u00edticas do dietilditiofosfato de am\u00f4nio em espectrometria de massas com plasma indutivamente acoplado empregando extra\u00e7\u00e3o em fase s\u00f3lida e sistemas de inje\u00e7\u00e3o em fluxo", "date": "1999", "keywords": "anal; com; como; concentra\u00e7\u00e3o; dos; figura; foi; foram; l-1; london; mass; para; plasma; por; que; ser; solu\u00e7\u00e3o; spectrometry; s\u00f3dio; uma", "summary": "In aumentaram linearmente com a concentra\u00e7\u00e3o de ligante, uma solu\u00e7\u00e3o 0,5% m/v ADTP foi utilizada em estudos posteriores como compromisso entre sensibilidade e tempo de vida da coluna. http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-46701999000100006&lng=en&nrm=iso&tlng=pt#fig3 http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-46701999000100006&lng=en&nrm=iso&tlng=pt#fig2 A influ\u00eancia do tempo de rea\u00e7\u00e3o entre ligante e \u00edon met\u00e1lico foi investigada selecionando-se diferentes comprimentos de bobina de rea\u00e7\u00e3o B. Como as contagens dos elementos praticamente n\u00e3o alteraram-se para tempos de 1 a 60 segundos, foi selecionada uma bobina de apenas 10 cm para garantir homogeneiza\u00e7\u00e3o das solu\u00e7\u00f5es A e L. A sensibilidade \u00e9, entre outros fatores, dependente do volume de amostra utilizado na etapa de pr\u00e9- concentra\u00e7\u00e3o. Na Figura 6b est\u00e1 representada a influ\u00eancia do tempo de lavagem da coluna na elimina\u00e7\u00e3o de interfer\u00eancia devido ao s\u00f3dio.", "mime": "application/pdf"}, {"id": "ecletica-59", "words": "14622", "extension": ".pdf", "flesch": "43", "author": "Silva, Fernando Santos da; Cinca, N\u00faria; Dosta, Sergi; Cano, Irene Garcia; Guilemany, Josep Maria; Benedetti, Assis Vicente", "title": "Cold gas spray coatings: basic principles corrosion protection and applications", "date": "2017", "keywords": "aluminum; cgs; coatings; coatings technol; cold; corrosion; deposition; figure; gas; heat; high; material; particle; powder; process; properties; resistance; spray; spray coatings; spray technol; spraying; steel; substrate; technol; therm", "summary": "[5] Moridi, A., Hassani-Gangaraj, S. M., Guagliano, M., Dao, M. Cold spray coating: review of material systems and future perspectives, Surf. [41] Moridi, A., Hassani-Gangaraj, S. M., Guagliano, M., Dao, M. Cold spray coating: review of material systems and future perspectives, Surf.", "mime": "application/pdf"}, {"id": "ecletica-590", "words": "2047", "extension": ".pdf", "flesch": "45", "author": "Fernandes, Nedja Suely; Carvalho Filho, Marco Aur\u00e9lio da Silva; Leles, Maria In\u00eas Gon\u00e7alves; Ionashiro, Massao", "title": "Estudo comparativo entre alguns benzalpiruvatos-fenil substitu\u00eddo de lantan\u00eddeos e \u00edtrio no estado s\u00f3lido", "date": "1999", "keywords": "compostos; dos; forma\u00e7\u00e3o; lantan\u00eddeos; obtidos; para; qu\u00edmica; termogravimetria; uma; \u00edtrio", "summary": "Os cinamalpiruvatos e os 4-dimetilaminocinamalpiruvatos de lantan\u00eddeos apresentaram temperaturas de libera\u00e7\u00e3o de \u00e1gua variando de 130 a 158oC (1,5 a 2,4 mols) e 146 a 174oC (3,0 a 4,5 mols), respectivamente. Para os compostos das terras c\u00e9ricas, a temperatura m\u00e1xima de perda de \u00e1gua foi 138oC.", "mime": "application/pdf"}, {"id": "ecletica-591", "words": "2441", "extension": ".pdf", "flesch": "47", "author": "Adorno, Antonio Tallarico; Saggin, Neivaldo Strutzel; Fugivara, Cec\u00edlio Sadao; Cilense, M\u00e1rio; Beatrice, Carlos Roberto Sobreira", "title": "Estudo da influ\u00eancia de adi\u00e7\u00f5es de prata na resistividade el\u00e9trica da liga Cu-5%Al", "date": "1999", "keywords": "com; el\u00e9trica; liga; para; prata; que; resistividade; temperatura; uma; varia\u00e7\u00e3o", "summary": "Do ponto de vista da ductibilidade da liga, quanto maior a concentra\u00e7\u00e3o de prata maior a dureza e menor a ductibilidade, pois as ligas com maior teor de prata apresentaram maiores dificuldades na obten\u00e7\u00e3o dos fios. Panseri & Leoni 9 determinaram, por via metalogr\u00e1fica, o diagrama de equil\u00edbrio da liga Cu-Al-Ag na regi\u00e3o compreendida entre 90% e 100% Cu, construindo quatro se\u00e7\u00f5es com percentual constante de cobre, paralelas ao lado Ag-Al.", "mime": "application/pdf"}, {"id": "ecletica-592", "words": "2918", "extension": ".pdf", "flesch": "48", "author": "Bezerra, Roberto Messias; de Souza, Paulo C\u00e9zar Rioli Duarte; Ramires, Ivan; Bottino, Marco Ant\u00f4nio; Guastaldi, Ant\u00f4nio Carlos", "title": "Microestrutura e resist\u00eancia \u00e0 corros\u00e3o do Ti c.p. soldado a laser, utilizado em pr\u00f3tese sobre implantes", "date": "1999", "keywords": "apresenta; base; c.p; com; cord\u00e3o; corros\u00e3o; foi; implantes; laser; metal; microestrutura; para; por; que; soldagem; tit\u00e2nio; uma; welding", "summary": "Ti c.p. possui microestrutura granular, a microestrutura do cord\u00e3o de solda \u00e9 mais refinada e de maior dureza do que o metal base. Ensaios eletroqu\u00edmicos Com o objetivo de se comparar o comportamento da resist\u00eancia \u00e0 corros\u00e3o do metal base e da regi\u00e3o do cord\u00e3o de solda, foram realizados ensaios eletroqu\u00edmicos que consistiram na obten\u00e7\u00e3o de curvas de polariza\u00e7\u00e3o potenciodin\u00e2mica.", "mime": "application/pdf"}, {"id": "ecletica-593", "words": "1605", "extension": ".pdf", "flesch": "56", "author": "Carvalho Filho, Marco Aur\u00e9lio da Silva ; Ionashiro, Massao", "title": "Thermal behaviour study of solid state compounds of manganese (II), zinc (II) and lead (II) with cinnamic acid", "date": "1998", "keywords": "thermal", "summary": "The preparation and thermal decomposition of solid state compounds of 4- dimethylaminobenzylidenepyruvate and trivalent lanthanides and yttrium. Preparation and thermal decomposition of solid state compounds of 4- methoxybenzylidenepyruvate and trivalente lanthanides and yttrium.", "mime": "application/pdf"}, {"id": "ecletica-594", "words": "2922", "extension": ".pdf", "flesch": "53", "author": "Terra, Vilma Reis; Barbi\u00e9ri, Roberto Santos; Branco, Pedro de Azevedo Castelo; Abras, Anuar", "title": "S\u00edntese e caracteriza\u00e7\u00e3o de compostos diorganoest\u00e2nicos com \u00e1cido dl-mand\u00e9lico", "date": "1998", "keywords": "chem; com; compostos; dos; foram; para; por; que; s\u00e3o; \u00e1cido", "summary": "Nos espectros de infravermelho dos complexos estudados, s\u00e3o de interesse a regi\u00e3o da freq\u00fc\u00eancia de estiramento da carboxila, 1.720-1.290 cm-1; a regi\u00e3o baixa do espectro, de 200 a 800 cm-1, associadas aos estiramentos Sn-Cl, Sn-C, Sn-O e Sn-O-Sn; bem como a regi\u00e3o da freq\u00fc\u00eancia de 3.400 cm-1, relativa aos estiramentos O-H. Prepara\u00e7\u00e3o de [L(C6H5)2SnCl]2 Dissolvem-se 0,416 g (1,21 mmoles) de Ph2SnCl2 e 0,184 g (1,21 mmoles) de \u00e1cido dl-mand\u00e9lico em 30 mL de acetonitrila e mant\u00e9m-se o sistema sob refluxo por 24 horas.", "mime": "application/pdf"}, {"id": "ecletica-595", "words": "3643", "extension": ".pdf", "flesch": "42", "author": "Graner, Celso Augusto Fessel; Zuccari, Maria L\u00facia; de Pinho, Sheila Zambello", "title": "Determina\u00e7\u00e3o da demanda qu\u00edmica de oxig\u00eanio em \u00e1guas por espectrofotometria simult\u00e2nea dos \u00edons cr\u00f4mio(III) e dicromato", "date": "1998", "keywords": "com; como; concentra\u00e7\u00f5es; cr\u00f4mio(iii; das; determina\u00e7\u00e3o; dicromato; dos; dqo; onda; para; por; que; solu\u00e7\u00e3o", "summary": "Parte experimental Espectros de absor\u00e7\u00e3o Solu\u00e7\u00f5es de sulfato(duplo) de pot\u00e1ssio e cr\u00f4mio(III) 25 mmolL-1, de dicromato de pot\u00e1ssio 1,25 mmolL-1, e da mistura desses sais nessas mesmas concentra\u00e7\u00f5es finais, todas em meio 9 molL-1 em \u00e1cido sulf\u00farico, foram submetidas a varreduras espectrofotom\u00e9tricas na regi\u00e3o de 380 nm a 700 nm de comprimento de onda do espectro de absor\u00e7\u00e3o, contra solu\u00e7\u00e3o 9 molL-1 como prova em branco. mL-6,00 mL-8,00 mL e 10,00 mL da solu\u00e7\u00e3o de refer\u00eancia de DQO para uma s\u00e9rie de bal\u00f5es volum\u00e9tricos de 100 mL, e diluir at\u00e9 as marcas com \u00e1gua rec\u00e9m destilada; b) transferir al\u00edquotas de 5 mL das solu\u00e7\u00f5es agora dilu\u00eddas de DQO(30 mgL- 1-60 mgL-1-120 mgL-1-180 mgL-1-240 mgL-1 e 300 mgL-1, respectivamente) para uma cole\u00e7\u00e3o de seis tubos de vidro de 25 mm de di\u00e2metro por 250 mm de comprimento(de paredes grossas, usados em digest\u00f5es \u00e1cidas a quente); c) com os devidos cuidados, devido ao intenso calor de dilui\u00e7\u00e3o desenvolvido, misturar al\u00edquotas de 5 mL da solu\u00e7\u00e3o digestora, e 10 mL da solu\u00e7\u00e3o catal\u00edtica \u00e0s solu\u00e7\u00f5es de refer\u00eancia, e homogeneizar; d) recobrir os tubos com pequenos funis de haste curta e recurvada(para contato com a parede do tubo),10 e aquecer a 140oC- 150oC por duas horas em bloco digestor de alum\u00ednio(utilizou-se do bloco digestor Tecnal TE 008/25); e) ap\u00f3s resfriamento at\u00e9 a temperatura ambiente, ler as absorb\u00e2ncias a 415 nm, 430 nm e 445 nm, em cubetas de 1 cm de caminho \u00f3ptico, contra \u00e1gua destilada.", "mime": "application/pdf"}, {"id": "ecletica-596", "words": "3632", "extension": ".pdf", "flesch": "61", "author": "de Paula, Vanderl\u00facia Fonseca; Barbosa, Luiz Cl\u00e1udio de Almeida; Pil\u00f3-Veloso, Dorila; Demuner, Antonio Jacinto; Howarth, Oliver", "title": "Constituintes qu\u00edmicos da casca de Ochroma lagopus swartz (Bombacaceae)*", "date": "1998", "keywords": "com; dos; espectro; foi; foram; lagopus; mistura; ochroma; para; por; sinais; uma; \u00e1cidos", "summary": "Esta fra\u00e7\u00e3o \u00e9 constitu\u00edda de uma mistura de \u00e1cidos graxos e triacilglicer\u00eddeos, como indicado por seu espectro no infravermelho. Para an\u00e1lises por cromatografia em camada delgada utilizou-se placas de silica gel Camlab- Polygram SILK/UV254, com 0,25 mm de espessura e indicador de fluoresc\u00eancia UV254.", "mime": "application/pdf"}, {"id": "ecletica-597", "words": "2379", "extension": ".pdf", "flesch": "46", "author": "Prasad, Shiva; Barros, Jaqueline Viana", "title": "Electrometric studies on uranyl molybdates as a function of pH", "date": "1998", "keywords": "electrometric; formation; molybdate; solution; titrations; uranyl", "summary": "vol.23 S\u00e3o Paulo 1998 http://dx.doi.org/10.1590/S0100-46701998000100005 Electrometric studies on uranyl molybdates as a function of pH Shiva PRASAD* Jaqueline Viana BARROS* ABSTRACT: The formation and composition of uranyl molybdates obtained by the interaction of uranyl acetate and sodium molybdate at specific pH levels 7.6, 5.5 and 4.1 have been studied by employing electrometric techniques involving pH and conductometric titrations. In earlier publications the author has reported the effect of pH change on a solution of Na2MoO4 and composition of mercuric molybdates.11,12 In view of the interesting results obtained, it was considered worthwhile to investigate the composition of uranyl molybdates obtained by the action of uranyl cations on different molybdate anions at specific pH levels by means of the electrometric techniques.", "mime": "application/pdf"}, {"id": "ecletica-598", "words": "1767", "extension": ".pdf", "flesch": "56", "author": "Leite, S\u00e9rgio Roberto de Andrade", "title": "Basicities of primary arylamines and calculated amine nitrogen electronic charges", "date": "1998", "keywords": "am1; amine; charges; chem; method; pka", "summary": "Otherwise, the energy of protonation, calculated also by AM1 method, and directly related with the basicity, has grown only 7.1% in average with hydration, showing that in this case it is less sensible to the medium parameters. 7. DEWAR, M. J. S., ZOEBISCH, E. G. ; HEALY, E. F., STEWART, J. J. P. AM1: a new general purpose quantum mechanical molecular model.", "mime": "application/pdf"}, {"id": "ecletica-599", "words": "1498", "extension": ".pdf", "flesch": "44", "author": "Cilense, M\u00e1rio; Lopes, Marcos Antonio; Adorno, Antonio Tallarico; Beatrice, Carlos Roberto Sobreira ", "title": "Determina\u00e7\u00e3o da temperatura de solubiliza\u00e7\u00e3o da prata em ligas de Cu-Al-Ag por medidas de resist\u00eancia el\u00e9trica", "date": "1998", "keywords": "com; das; el\u00e9trica; ligas; para; prata; resist\u00eancia; temperatura", "summary": "Os autores observaram a ocorr\u00eancia de pontos de inflex\u00e3o nas curvas de varia\u00e7\u00e3o da resistividade el\u00e9trica com a temperatura, para as ligas contendo prata e atribu\u00edram a presen\u00e7a dessas inflex\u00f5es \u00e0 dissolu\u00e7\u00e3o da prata. http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-46701998000100007&lng=en&nrm=iso&tlng=pt#fig3 http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-46701998000100007&lng=en&nrm=iso&tlng=pt#tab2 http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-46701998000100007&lng=en&nrm=iso&tlng=pt#fig1 http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-46701998000100007&lng=en&nrm=iso&tlng=pt#fig2 Conclus\u00f5es Os resultados obtidos indicam que as medidas de varia\u00e7\u00e3o da resist\u00eancia el\u00e9trica com a temperatura permitem que sejam detectadas a presen\u00e7a da fase rica em prata e sua solubiliza\u00e7\u00e3o, em ligas de Cu- 5%Al contendo de 2 a 7% de prata, em peso.", "mime": "application/pdf"}, {"id": "ecletica-60", "words": "4101", "extension": ".pdf", "flesch": "66", "author": "Dias, Di\u00f3genes dos Santos; Crespi, Marisa Spirandeli; Ribeiro, Cl\u00f3vis Augusto; Kobelnik, Marcelo", "title": "Evaluation by thermogravimetry of the interaction of the poly(ethylene terephthalate) with oil-based paint", "date": "2016", "keywords": "decomposition; kinetic; mass; oil; paint; pet; sample", "summary": "The paints from alkyd resins, improved physicochemical properties, because oil based paints have a slow drying time and also exhibit poor weather ability and are also subject to yellowing. Oil paint was originally made with linseed oil as a binder, which has a high content of di- and tri-unsaturated esters, which are especially susceptible to polymerization reactions upon exposure to oxygen in the air.", "mime": "application/pdf"}, {"id": "ecletica-600", "words": "1546", "extension": ".pdf", "flesch": "51", "author": "Chiaretto, Ana Glauce Zaina; Carvalho Filho, Marco Aur\u00e9lio da Silva; Fernandes, Nedja Suely; Ionashiro, Massao", "title": "Preparation and thermal decomposition of solid state cinnamates of alkali earth metals, except beryllium and radium", "date": "1998", "keywords": "compounds; curves; decomposition; thermal", "summary": "The preparation and thermal decomposition of solid state compounds of 4- dimethylaminobenzylidenepyruvate and trivalent lanthanides and yttrium. Preparation and thermal decomposition of solid state compounds of 4- methoxybenzylidenepyruvate and trivalent lanthanides and yttrium.", "mime": "application/pdf"}, {"id": "ecletica-601", "words": "2492", "extension": ".pdf", "flesch": "54", "author": "Poy, Cec\u00edlia Dominical; Corn\u00e9lio, Marin\u00f4nio Lopes", "title": "Electron migration in DNA matrix: an electron transfer reaction", "date": "1998", "keywords": "acceptor; distance; dna; donor; electron; molecules; transfer", "summary": "10 MICHALIK, V. Model of DNA damage induced by radiation of varius qualities. It describes the investigation of electron transfer (ET) chemistry in general and ET reactions results in DNA in particular.", "mime": "application/pdf"}, {"id": "ecletica-602", "words": "1218", "extension": ".pdf", "flesch": "49", "author": "Gargione Filho, Baptista; Garlipp, Waldir", "title": "Medida da permeabilidade magn\u00e9tica em fio delgado ferromagn\u00e9tico", "date": "1998", "keywords": "corrente; el\u00e9trica; fio; magn\u00e9tica; onde; para", "summary": "no fio independe do raio do fio no limite do raio m\u00e1ximo a; 2) a densidade de corrente el\u00e9trica de deslocamento \u00e9 muito menor que a densidade de corrente el\u00e9trica de condu\u00e7\u00e3o (t), (9) onde t \u00e9 o tempo; 3) a densidade de corrente el\u00e9trica de condu\u00e7\u00e3o , dentro do erro de 1%, \u00e9 uma fun\u00e7\u00e3o linear do tempo. = (E - V(r)/R(r) (3) Sendo V(r) e R(r), respectivamente a for\u00e7a eletromotriz gerada pela corrente el\u00e9trica vari\u00e1vel no tempo e a resist\u00eancia el\u00e9trica de cada capa conc\u00eantrica, onde R(r)", "mime": "application/pdf"}, {"id": "ecletica-603", "words": "2837", "extension": ".pdf", "flesch": "47", "author": "Rodrigues, Let\u00edcia Norma Carpentieri; Ferreira, Valdir de Sousa; Zanoni, Maria Valnice Boldrin", "title": "Estudo voltam\u00e9trico de redissolu\u00e7\u00e3o cat\u00f3dica de cefaloglicina em meio aquoso sobre eletrodo de merc\u00fario", "date": "1998", "keywords": "ac\u00famulo; cat\u00f3dica; cefaloglicina; com; como; eletrodo; foi; meio; mol; para; potencial; redissolu\u00e7\u00e3o; redu\u00e7\u00e3o", "summary": "Esta solu\u00e7\u00e3o foi obtida atrav\u00e9s da mistura de \u00e1cido ac\u00e9tico, \u00e1cido b\u00f3rico e \u00e1cido orto-fosf\u00f3rico na presen\u00e7a de hidr\u00f3xido de s\u00f3dio 1 mol/L. Solu\u00e7\u00e3o estoque de Cefaloglicina 1x10-3 mol/L foi preparada diariamente em meio aquoso,a partir da subst\u00e2ncia seca com alto grau de pureza, obtida da Glaxo Pharmaceuticals (Inglaterra). Utilizando-se tempo de ac\u00famulo de 60 segundos, obteve- se um limite de determina\u00e7\u00e3o de 12,2", "mime": "application/pdf"}, {"id": "ecletica-604", "words": "1249", "extension": ".pdf", "flesch": "51", "author": "Fern\u00e1ndez Terra, Zaida; Del T\u00f3ro D\u00e9niz, Rub\u00e9n; Varela de Moya, Humberto", "title": "Extraction and spectrophotometric determination of Hg2+ as complex anion HgI3-", "date": "1997", "keywords": "concentration; hg2; l-1; mol", "summary": "The standard solutions were prepared using Hg (NO3)2 at concentration of Hg2+ ions between 02-1.0 mg/L in the presence of iodide-ions 5.10-3 mol/L. In this way, using a ligand concentration equal to 5.10-3 mol L-1 and concentration of nitrate anion 04 mol L-1 and introducing in this solutions, samples of Hg2+ at pH = 5 the optimum conditions are reached for the extraction process, i.e. C(Q+NO3 -)", "mime": "application/pdf"}, {"id": "ecletica-605", "words": "1553", "extension": ".pdf", "flesch": "57", "author": "Seij\u00f3 Echevarr\u00eda, Marlene; Del T\u00f3ro D\u00e9niz, Ruben; Martinez Castellanos, Eugenio; A. Sherbakov, Gerard; Rodriguez Moya, Juan Jose", "title": "Uses of natural zeolite in the removal of Pb2+ from contaminated water", "date": "1997", "keywords": "concentration; zeolite", "summary": "Experiments are carried out under static and dynamic conditions to determine the influence of other metal ions, such as: Ca (II), Mg (II), K (I) and Na (I), on this process. We also studied the selectivity of zeolite in the process of sorption of Pb (II) compared with other heavy metals like Zn (II) and Cd (II).The results achieved in both cases increase the expectancy about the usage of zeolite as a low cost material for purifing waters. KEYWORDS:", "mime": "application/pdf"}, {"id": "ecletica-606", "words": "1642", "extension": ".pdf", "flesch": "55", "author": "Del T\u00f3ro D\u00e9niz, Rub\u00e9n; M. Rajmanko, E.; Pe\u00f3n Espinosa, Ana Mar\u00eda; Pe\u00f1a Vel\u00e1zquez, In\u00e9s", "title": "Influence of the medium (strongly acid or basic) over the electrochemical properties of the nitrate selective electrode", "date": "1997", "keywords": "concentration; electrode; h2so4; mol; nitrate", "summary": "It results more evident yet in this phenomen to plot a calibration curve of nitrate selective electrode at nitrate concentration in the order of 10-2 mol/L, prevailing in region IV of the curve the complex competitive effect of the HSO4 -, NO3 - anions and incipient HN206 - effect, wich reinforees in the curve (V section) where only the dependence E = A - 2 q lg c(NO3 -) prevails and it's more reinforeed at c(NO3 -) 0,1 mol/L due to formation of HN2O6 - according to equilibrium (II). Nowadays the determination of nitrate concentrations in different objects1,5,6,7 has an extraordinary practical and theoretical importance for Analytical Chemistry.", "mime": "application/pdf"}, {"id": "ecletica-607", "words": "2765", "extension": ".pdf", "flesch": "51", "author": "Valente, Jos\u00e9 Pedro Serra; Padilha, Pedro de Magalh\u00e3es; da Silva, Assunta Maria Marques", "title": "Contribui\u00e7\u00e3o da cidade de Botucatu - SP com nutrientes (f\u00f3sforo e nitrog\u00eanio) na eutrofiza\u00e7\u00e3o da represa de Barra Bonita", "date": "1997", "keywords": "barra; bonita; botucatu; javascript; lavap\u00e9s; links; nitrog\u00eanio; oxig\u00eanio; para; que; represa; ribeir\u00e3o; s\u00e3o; void(0; \u00e1gua", "summary": "O rio Capivara possui uma das nascentes pr\u00f3xima a uma do ribeir\u00e3o Lavap\u00e9s e, ambos possuem a foz pr\u00f3xima uma da outra na represa de Barra Bonita. do ribeir\u00e3o Lavap\u00e9s e rio Capivara na represa de Barra Bonita , e estimar a carga retida no lodo do ribeir\u00e3o Lavap\u00e9s e a despejada na represa em fun\u00e7\u00e3o dos lan\u00e7amentos de esgotos sanit\u00e1rios no mesmo, na cidade de Botucatu.", "mime": "application/pdf"}, {"id": "ecletica-608", "words": "3168", "extension": ".pdf", "flesch": "52", "author": "Valente, Jos\u00e9 Pedro Serra; Padilha, Pedro de Magalh\u00e3es; da Silva, Assunta Maria Marques", "title": "Oxig\u00eanio dissolvido (OD), demanda bioqu\u00edmica de oxig\u00eanio (DBO) e demanda qu\u00edmica de oxig\u00eanio (DQO) como par\u00e2metros de polui\u00e7\u00e3o no ribeir\u00e3o Lavap\u00e9s/Botucatu - SP", "date": "1997", "keywords": "com; das; dbo; dqo; javascript; lavap\u00e9s; mat\u00e9ria; n\u00e3o; org\u00e2nica; oxig\u00eanio; para; que; ribeir\u00e3o; s\u00e3o; uma; void(0; \u00e1gua", "summary": "da \u00e1gua da represa de Barra Bonita/rio Tiet\u00ea, um recurso h\u00eddrico maior. Coletas de Amostras4,10 Em cada coleta de \u00e1gua foram anotados dados como hor\u00e1rio, temperatura do ar, temperatura da \u00e1gua, aspecto e odor da \u00e1gua.", "mime": "application/pdf"}, {"id": "ecletica-609", "words": "1225", "extension": ".pdf", "flesch": "58", "author": "Drigo Filho, Elso", "title": "Solving Schr\u00f6dinger equation for two dimensional potentials using supersymmetry", "date": "1997", "keywords": "javascript; links; phys; void(0", "summary": "J. Phys., v.A24, p.4981, 1991. J. Phys., v.A21, p.3215, 1988.", "mime": "application/pdf"}, {"id": "ecletica-61", "words": "3936", "extension": ".pdf", "flesch": "51", "author": "Leonel, Raquel Folmann; Valt, Renata Bachmann Guimar\u00e3es; de Godoi, Luciane; Ponte, Maria Jos\u00e9 Jeronimo de Santana; Ponte, Haroldo de Ara\u00fajo", "title": "Efeito da aplica\u00e7\u00e3o da eletrorremedia\u00e7\u00e3o na estrutura e nos contaminantes de catalisador desativado. Avalia\u00e7\u00e3o por t\u00e9cnicas de RMN, RPE, DRX e FRX", "date": "2016", "keywords": "alum\u00ednio; catalisador; com; como; contaminantes; das; desativado; dos; fcc; figura; para; por; presen\u00e7a; que; qu\u00edmica; rede; remedia\u00e7\u00e3o; rmn; rpe; vol", "summary": "Como resultado, as fra\u00e7\u00f5es do catalisador que participam nas rea\u00e7\u00f5es de craqueamento tem uma distribui\u00e7\u00e3o de idade, compostas por catalisador novo (baixa concentra\u00e7\u00e3o de metais e elevada atividade) e catalisador mais antigo (mais alta concentra\u00e7\u00e3o de metais e menor atividade). O ambiente de coordena\u00e7\u00e3o, o estado de oxida\u00e7\u00e3o e a for\u00e7a ligante interferem no sinal paramagn\u00e9tico, que vem sendo utilizado na determina\u00e7\u00e3o de metais de transi\u00e7\u00e3o impregnados ou trocados ionicamente em ze\u00f3litas", "mime": "application/pdf"}, {"id": "ecletica-610", "words": "1867", "extension": ".pdf", "flesch": "55", "author": "Muraoka, Tereza Kazuko; Mauro, Antonio Eduardo; Nogueira, V\u00e2nia Martins; Haddad, Paula Silvia", "title": "Compostos heteromet\u00e1licos. Intera\u00e7\u00e3o do tricarbonil com liga\u00e7\u00e3o W-Hg, [WCl(CO)3(bipy)(HgCl)], com tiour\u00e9ias", "date": "1997", "keywords": "com; javascript; liga\u00e7\u00e3o; links; por; que; tiour\u00e9ias; void(0; \u00e1tomo", "summary": "[Fe(CO)4(HgSCN)2(phen)2] , um mon\u00f4mero , no qual o ligante nitrogenado acha-se coordenado aos \u00e1tomos de merc\u00fario.12 Um estudo relacionado ao anterior foi ent\u00e3o desenvolvido, envolvendo rea\u00e7\u00f5es de [WCl(CO)3(bipy)(HgCl)] com a tiour\u00e9ia (tu), N- metiltiour\u00e9ia (mtu) e N,N-dimetiltiour\u00e9ia (dmtu). [M(CO)6-XLx] + xCO (L = aminas, fosfinas, etc) (1) Compostos com liga\u00e7\u00e3o metal-metal6,7,8 podem ser obtidos diretamente por intera\u00e7\u00f5es dos carbonilos do grupo VI, ou de seus derivados, contendo bases de Lewis (como aminas e fosfinas), com sais ou complexos de metais de transi\u00e7\u00e3o.", "mime": "application/pdf"}, {"id": "ecletica-611", "words": "2151", "extension": ".pdf", "flesch": "54", "author": "Corn\u00e9lio, Marin\u00f4nio Lopes", "title": "Electron transfer by singlet excited state of porphyn and electron acceptor affinity in rigid medium: photoacoustic phase angle analysis", "date": "1997", "keywords": "acceptor; electron; javascript; phase; process; transfer; void(0", "summary": "Electron transfer; photoacoustic spectroscophy; phase; acceptor; donor; polymer. The use of photoacoustic spectroscopy to determine the critical distance for electron transfer.", "mime": "application/pdf"}, {"id": "ecletica-612", "words": "1547", "extension": ".pdf", "flesch": "50", "author": "Campos, Jo\u00e3o Sin\u00e9zio de Carvalho; Santarine, Gerson Antonio", "title": "Medidor de energia para laser pulsado", "date": "1997", "keywords": "com; detector; energia; feixe; javascript; para; pol\u00edmero; pvdf; que; void(0", "summary": "Tese (Doutorado) - Instituto de F\u00edsica e Qu\u00edmica de S\u00e3o Carlos, Universidade de S\u00e3o Paulo. Apesar de n\u00e3o ter sido poss\u00edvel a determina\u00e7\u00e3o precisa do tempo de resposta", "mime": "application/pdf"}, {"id": "ecletica-613", "words": "3982", "extension": ".pdf", "flesch": "46", "author": "Acciari, Helo\u00edsa Andr\u00e9a; Guastaldi, Antonio Carlos; Tremiliosi Filho, Germano", "title": "Caracteriza\u00e7\u00e3o e estudo da corros\u00e3o do am\u00e1lgama dent\u00e1rio Dispersalloy por meio das t\u00e9cnicas de polariza\u00e7\u00e3o potenciodin\u00e2mica e espectroscopia de imped\u00e2ncia", "date": "1997", "keywords": "am\u00e1lgama; cobre; com; como; corros\u00e3o; dental; dos; fase; foi; foram; javascript; liga; links; meio; merc\u00fario; para; por; que; ser; solu\u00e7\u00e3o; uma; void(0", "summary": "necess\u00e1rio.7 A situa\u00e7\u00e3o complica-se com o crescente n\u00famero de subst\u00e2ncias qu\u00edmicas presentes nos alimentos e rem\u00e9dios que podem interagir com estes metais na boca.13 Teoricamente, o merc\u00fario liberado no meio bucal, e respons\u00e1vel pela toxidez, pode ser liberado do am\u00e1lgama pelo processo de corros\u00e3o resultando na limita\u00e7\u00e3o da estabilidade microestrutural, pelas varia\u00e7\u00f5es de composi\u00e7\u00e3o das poss\u00edveis fases nele existentes, que podem ocorrer com o tempo.8 Pelos recentes estudos sobre a libera\u00e7\u00e3o de merc\u00fario de am\u00e1lgamas dent\u00e1rios sugere-se a possibilidade de forma\u00e7\u00e3o de uma camada de passiva\u00e7\u00e3o por um filme de \u00f3xidos na superf\u00edcie do am\u00e1lgama, interferindo com o processo de dissolu\u00e7\u00e3o dos componentes met\u00e1licos, diminuindo substancialmente os n\u00edveis de libera\u00e7\u00e3o deste elemento.4,9,10,11,12 Esta hip\u00f3tese \u00e9 suportada pelo fato de que a velocidade de libera\u00e7\u00e3o do merc\u00fario \u00e9 elevada, quando se utiliza atmosfera inerte de arg\u00f4nio como meio, e diminui drasticamente quando ar \u00e9 introduzido, ou seja, quando a oxida\u00e7\u00e3o pode ocorrer.9 Com respeito a estas considera\u00e7\u00f5es Soh, et al.16 propuseram-se a examinar o efeito do pH na libera\u00e7\u00e3o de merc\u00fario de dois tipos de am\u00e1lgamas dent\u00e1rios, em estudo realizado in vitro. An\u00e1lise metalogr\u00e1fica A prepara\u00e7\u00e3o superficial das amostras foi feita com o aux\u00edlio de lixas de diferentes granula\u00e7\u00f5es (400, 600 e 1000), procedendo-se, em seguida, polimento com alumina utilizando-se part\u00edculas de 1 e 0,3 mm.", "mime": "application/pdf"}, {"id": "ecletica-614", "words": "2498", "extension": ".pdf", "flesch": "50", "author": "Adorno, Antonio Tallarico; Guerreiro, Marco Roberto; Magnani, Romeu; Benedetti, Assis Vicente", "title": "Influ\u00eancia de adi\u00e7\u00f5es de prata na cin\u00e9tica de precipita\u00e7\u00e3o da liga Cu-5%Al", "date": "1997", "keywords": "com; dureza; liga; para; prata; que; temperatura; uma", "summary": "e uma taxa de nuclea\u00e7\u00e3o crescente para as demais temperaturas. Os valores obtidos para n, juntamente com os resultados de energia de ativa\u00e7\u00e3o, indicam que a transi\u00e7\u00e3o de uma taxa de nuclea\u00e7\u00e3o nula ou mista para uma taxa de nuclea\u00e7\u00e3o crescente pode representar a mudan\u00e7a mecan\u00edstica mais importante no processo de precipita\u00e7\u00e3o.", "mime": "application/pdf"}, {"id": "ecletica-615", "words": "2364", "extension": ".pdf", "flesch": "48", "author": "Mancini, Maria Aparecida Donnini; Netto, Jos\u00e9 Zuanon; Vallad\u00e3o, D\u00eania Mendes de Sousa", "title": "Determina\u00e7\u00e3o do \u00edon ferro em prepara\u00e7\u00f5es farmac\u00eauticas atrav\u00e9s da cromatografia planar e espectrofotometria", "date": "1997", "keywords": "com; contendo; ferroso; foram; hcl; javascript; padr\u00e3o; para; que; \u00e1cido", "summary": "Durante a fase quantitativa foram utilizadas solu\u00e7\u00f5es padr\u00e3o de sulfato ferroso e das amostras numa concentra\u00e7\u00e3o de 0,04% (m/v) em rela\u00e7\u00e3o ao c\u00e1tion. Entre outras, a principal vantagem da t\u00e9cnica \u00e9 que os constituintes de amostras complexas podem ser separados, http://www.scielo.br/scielo.php?script=sci_serial&pid=0100-4670&lng=en&nrm=iso http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-46701997000100012&lng=en&nrm=iso&tlng=pt#back http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-46701997000100012&lng=en&nrm=iso&tlng=pt#back http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-46701997000100012&lng=en&nrm=iso&tlng=pt#back identificados e recuperados para an\u00e1lise posterior por outras t\u00e9cnicas microanal\u00edticas.8 Progressos recentes em cromatografia planar foram apresentados e discutidos no encontro promovido pela Joint Pharmaceutical Analysis Group, juntamente com Chromatographic Society, em mar\u00e7o de 1995,3 aonde destacou- se que a Cromatografia em Camada Delgada \u00e9 o m\u00e9todo de escolha para estudos qualitativos, porque constituintes presentes em pequenas quantidades, s\u00e3o detectados por esta t\u00e9cnica.", "mime": "application/pdf"}, {"id": "ecletica-616", "words": "5258", "extension": ".pdf", "flesch": "50", "author": "Fertonani, Fernando Luis; Benedetti, Assis Vicente", "title": "Microeletrodos: I. Constru\u00e7\u00e3o e caracteriza\u00e7\u00e3o", "date": "1997", "keywords": "com; das; diferentes; dos; empregando; fio; foi; foram; javascript; links; microeletrodos; obtidos; para; platina; por; processo; que; selagem; solu\u00e7\u00e3o; uma; varredura; vidro; void(0", "summary": "do Ir e Rh.23 Isto pode ocorrer quando s\u00e3o empregadas: a) altas velocidades de varredura de potenciais (v \u00b3 1,0 Vs-1) e b) intervalos consider\u00e1veis de potenciais (0 a 1,8 V/ERH). \u00c9 importante salientar que para eletrodos de platina de \u00e1rea comumente empregada em ensaios eletroqu\u00edmicos (\u00e1rea efetiva = 0,3 cm2) a presen\u00e7a de tais impurezas passava desapercebida.", "mime": "application/pdf"}, {"id": "ecletica-617", "words": "3248", "extension": ".pdf", "flesch": "50", "author": "Fertonani, Fernando Luis; Benedetti, Assis Vicente", "title": "Microeletrodos: II. Caracteriza\u00e7\u00e3o eletroqu\u00edmica", "date": "1997", "keywords": "com; condi\u00e7\u00e3o; corrente; difus\u00e3o; javascript; links; microeletrodos; para; que; uma; valores; void(0", "summary": "Fica evidente a partir das figuras que a curva m\u00e9dia n\u00e3o \u00e9 representativa dessa condi\u00e7\u00e3o, pelo menos quando se ultrapassa o potencial de meia-altura da onda.16 O fen\u00f4meno da histerese, pelo menos do ponto de vista te\u00f3rico,23 n\u00e3o deveria ser observado para as condi\u00e7\u00f5es de trabalho empregadas, entretanto, se faz presente mesmo para baixos valores de v e tem sido atribu\u00eddo \u00e0 corrente de carga da dupla camada el\u00e9trica.23 http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-46701997000100014&lng=en&nrm=iso&tlng=pt#fig7 http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-46701997000100014&lng=en&nrm=iso&tlng=pt#fig5 Observa-se tamb\u00e9m que os voltamogramas c\u00edclicos apresentam uma discrep\u00e2ncia crescente nas percentagens de separa\u00e7\u00e3o entre as correntes da curva m\u00e9dia e simulada conforme aumenta o raio do microeletrodo. A curva m\u00e9dia, comumente empregada como representativa da corrente de estado estacion\u00e1rio, somente representou tal condi\u00e7\u00e3o at\u00e9 a meia-altura das curvas I/E, e ainda para valores de re 70 mm.", "mime": "application/pdf"}, {"id": "ecletica-618", "words": "1019", "extension": ".pdf", "flesch": "48", "author": "Gonz\u00e1lez Garc\u00eda, Jorge; Egonov, V. V.; Del T\u00f3ro D\u00e9nis, Rub\u00e9n; Del T\u00f3ro D\u00e9nis, E.; Martin\u00e9z S\u00e1ez, Silvio; Ramos Vega, A.", "title": "Use of a Ca-selective electrode in the determination of total Ca in the production of crude sugar", "date": "1997", "keywords": "calcium; c\u00e1lcio; electrode; sugar; total", "summary": "The express analysis of the content of calcium by an ion-selective electrode (ISE) would be able to control the considerable presence of this element in different stages of the sugar production2 process and so avoid scaling in equipment and apparatus and the loss of sugar in final molasses.1,3 In our work we determine the relation between free calcium and total calcium in juices, molasses and crude sugar. Conclusions The preliminary results obtained in our work permit in a very quick way to determine the concentration of total calcium in the production process of sugar by using an ion-selective electrode sensitive to calcium.", "mime": "application/pdf"}, {"id": "ecletica-619", "words": "943", "extension": ".pdf", "flesch": "50", "author": "Echevarr\u00eda, Marlene Seijo; D\u00e9niz, Rub\u00e9n del Toro; S\u00e1ez, Silvio Martin\u00e9z; Juan, Francisco Rosell", "title": "Concentration of Pb (II) by adsorption and its atomic absorption spectrometric determination", "date": "1997", "keywords": "concentration; lead; water", "summary": "The effectiveness of the adsorbent from the analytical point of view was later determined, model solutions with known concentrations of lead were passed through adsorbent and the quantity of lead remove was determined in the concentrate by AAS and it was compared with the concentration of the initial solutions. Conclusions It is concluded that the concentration method can be applied to determine small concentrations of lead by employing silica gel impregnated with ZnS, which makes the determination of lead possible from 10 microgram per liter and even less.", "mime": "application/pdf"}, {"id": "ecletica-62", "words": "5337", "extension": ".pdf", "flesch": "43", "author": "Garrido, Saulo Santesso; de Oliveira, Isabelle Cavalini; Zambom, Carolina Reis; Vaz, Aline Buda dos Santos; Marchetto, Reinaldo; Barbosa, Luiz Carlos Bertucci", "title": "Avalia\u00e7\u00e3o quantitativa da susceptibilidade do crescimento de Staphylococcus aureus na presen\u00e7a de sistemas antimicrobianos de alta complexidade", "date": "2016", "keywords": "cada; ccdbet2; celular; com; como; crescimento; c\u00e9lulas; das; dos; ecl\u00e9tica; foi; foram; lipossomas; meio; n\u00e3o; para; pept\u00eddeo; por; que; qu\u00edmica; sistemas; solu\u00e7\u00e3o; s\u00e3o; uma; vi\u00e1veis; vol", "summary": "Neste sentido, \u00e9 de extrema necessidade pesquisas que visam a busca por novas subst\u00e2ncias naturais ou sint\u00e9ticas que exibam atividades antimicrobianas espec\u00edficas e, acima de tudo, que as exer\u00e7am atrav\u00e9s de mecanismos de a\u00e7\u00e3o alternativos aos agentes antimicrobianos comerciais. Os ensaios com lipossomas na aus\u00eancia do pept\u00eddeo CcdBET2 (lipossoma branco) de todas as formula\u00e7\u00f5es mostraram que os mesmos n\u00e3o s\u00e3o capazes de inibir o crescimento bacteriano, indicando que de fato, o que provoca a inibi\u00e7\u00e3o \u00e9 o pept\u00eddeo.", "mime": "application/pdf"}, {"id": "ecletica-620", "words": "916", "extension": ".pdf", "flesch": "47", "author": "D\u00e9nis, Rub\u00e9n del Toro; Espinosa, Ana Mar\u00eda Pe\u00f3n; Marshalleck, Hubert Dandie; Estevez, Andres Brocar", "title": "Uses of nitrate ion sensitive electrodes", "date": "1997", "keywords": "electrodes; javascript; links; nitrate; void(0", "summary": "vol.22 S\u00e3o Paulo 1997 http://dx.doi.org/10.1590/S0100-46701997000100017 Uses of nitrate ion sensitive electrodes Rub\u00e9n DEL T\u00d3RO D\u00c9NIS* Ana Mar\u00eda PE\u00d3N ESPINOSA* Hubert DANDIE MARSHALLECK* Andres BROCAR ESTEVEZ* ABSTRACT: Some models of ion-selective electrodes (ISE) and other methods have been elaborated, to quantify nitrate levels in environmental samples (water, fruits, vegetables and others), using direct potentiometry KEYWORDS: To this end, we have elaborated some models of Ion-Selective Electrodes and other methods in order to quantify nitrate level in environmental samples.", "mime": "application/pdf"}, {"id": "ecletica-621", "words": "1721", "extension": ".pdf", "flesch": "58", "author": "Chahud, Marisa; Carvalho Filho, Marco Aur\u00e9lio da Silva; Fernandes, Nedja Suely; Ionashiro, Massao", "title": "A thermal analysis study of dithizone and dithizonates of mercury, silver and bismuth", "date": "2000", "keywords": "curves; dithizonates; dtg; mercury; silver", "summary": "The TG, DTG and DSC curves provided previously unreported information about the thermal stability and thermal decomposition of Hg(I) and Bi(III) dithizonates. The metal contents were also determined from TG curves.", "mime": "application/pdf"}, {"id": "ecletica-622", "words": "3219", "extension": ".pdf", "flesch": "63", "author": "de Freitas, Jaqueline Souza; Salom\u00e3o, Gisele Cantalice; Gomes, Maria de F\u00e1tima Teixeira", "title": "Remo\u00e7\u00e3o de \u00edons met\u00e1licos de solu\u00e7\u00f5es aquosas, por apatitas sint\u00e9ticas, usando o m\u00e9todo de troca i\u00f4nica em coluna", "date": "2000", "keywords": "apatitas; com; foi; javascript; links; para; pb2; por; que; remo\u00e7\u00e3o; solu\u00e7\u00e3o; void(0; \u00edons", "summary": "PADILHA, P. F; FREITAS, J. S. de; GOMES, M. F. T. Remo\u00e7\u00e3o de Metais Pesados Usando Carboapatita Sint\u00e9tica. [ Links ] 18. PADILHA, P. F; FREITAS, J. S. de; GOMES, M. F. T. Remo\u00e7\u00e3o de Zinco, C\u00e1dmio e Chumbo Utilizando Carboapatita do Tipo B.", "mime": "application/pdf"}, {"id": "ecletica-623", "words": "2160", "extension": ".pdf", "flesch": "53", "author": "Schnitzler, Egon; Melios, Cristo Bladimiros; Leles, Maria In\u00eas Gon\u00e7alves; Ionashiro, Massao", "title": "Thermal behavior studies of solid state compounds of 4-dimethylaminocinnamylidenepyruvate with alkali earth metals, except beryllium and radium", "date": "2000", "keywords": "compounds; decomposition; javascript; links", "summary": "Wilson COSTA* Cristo Bladimiros MELIOS** Maria Ines Gon\u00e7alves LELES*** Massao IONASHIRO** ABSTRACT: Solid state compounds of general formula M(DMCP)2.nH2O, where M represents Mg, Ca, Sr, Ba, and DMCP is 4-dimethylaminocinnamylidenepyruvate, and n = 1, except for Ca, where n = 2.5, have been prepared. In this work, solid state compounds of alkali earth metals, except Be and Ra, with DMCP were prepared and investigated by thermoanalytical techniques, X-ray powder diffractometry and complexometry.", "mime": "application/pdf"}, {"id": "ecletica-624", "words": "2152", "extension": ".pdf", "flesch": "42", "author": "Martins, Adair; Laurent, Roberto; Aznarez, Silvia Beatriz; Postigo, Miguel Angel", "title": "Ajuste de par\u00e2metros de intera\u00e7\u00e3o em modelos termodin\u00e2micos", "date": "2000", "keywords": "c12; com; dos; javascript; m\u00e9todo; para; que; res\u00edduos; s\u00e3o; uma", "summary": "Esta escolha foi pelo fato de que para os primeiros \u00e1lcoois, especialmente as tr\u00eas exce\u00e7\u00f5es mencionadas, o c12 baseado em desvios relativos d\u00e1 excessivo peso aos desvios de alguns valores pr\u00f3ximos a zero, fazendo menos coerente ainda a solu\u00e7\u00e3o. Na Figura 3 mostram-se os resultados experimentais e uma curva de ajuste para cada caso.", "mime": "application/pdf"}, {"id": "ecletica-625", "words": "2357", "extension": ".pdf", "flesch": "50", "author": "Adorno, Antonio Tallarico; Beatrice, Carlos Roberto Sobreira ; Cilense, M\u00e1rio; Petroni, Ivan Alexandre; Hara, Aroldo Hiroiuqui", "title": "Influ\u00eancia de adi\u00e7\u00f5es de prata na cin\u00e9tica de recristaliza\u00e7\u00e3o da liga Cu-5%Al", "date": "2000", "keywords": "com; crescimento; deforma\u00e7\u00e3o; dos; gr\u00e3os; liga; para; prata; que", "summary": "A influ\u00eancia de adi\u00e7\u00f5es de 2, 4, 6 e 8% de prata, em peso, na cin\u00e9tica de recristaliza\u00e7\u00e3o da liga Cu-5%Al com taxas de deforma\u00e7\u00e3o de 40, 70 e 90%, foi estudada utilizando-se metalografia por microscopia \u00f3ptica e medidas de varia\u00e7\u00e3o do tamanho de gr\u00e3o com o tempo e a temperatura de envelhecimento. Nessas micrografias pode-se observar que o aumento na taxa de deforma\u00e7\u00e3o provoca um aumento no tamanho m\u00e9dio dos gr\u00e3os e tamb\u00e9m que o aumento da temperatura de envelhecimento produz um aumento no tamanho m\u00e9dio dos gr\u00e3os.", "mime": "application/pdf"}, {"id": "ecletica-626", "words": "4327", "extension": ".pdf", "flesch": "58", "author": "Gaubeur, Ivanise; Rossi, Maura Vincenza; Iha, Koshun; Su\u00e1rez-Iha, Maria Encarnaci\u00f3n V\u00e1zquez", "title": "Amphoteric behavior of di-2-pyridyl ketone benzoylhydrazone in ethanol-water mixtures*", "date": "2000", "keywords": "constants; determination; dissociation; dpkbh; ethanol; javascript; links; pk1; solvent; values; void(0; water", "summary": "Before each measurement of the pH (-log aH) for the DPKBH solutions, in different ethanol percentage, the glass electrode was calibrated at (25.0 \u00b1 0.1)\u00b0 C with 0.0500mol. The properties of DPKBH solutions must be known at different ethanol-water percentages in order to achieve higher sensitivity and/or selectivity for metal analysis.", "mime": "application/pdf"}, {"id": "ecletica-627", "words": "2218", "extension": ".pdf", "flesch": "47", "author": "Prasad, Shiva; de Brito, Andr\u00e9 Luiz Fiquene; Muniz, Ana Cristina Silva; Leite, Valder\u00ed Duarte", "title": "Electrometric investigations on the formation of cerium(III) tungstates as a function of pH", "date": "2000", "keywords": "cerium; formation; javascript; links; solution; titrations; void(0", "summary": "The variations of pH of Na2WO4 solutions were obtained by progressive additions of determined quantities of nitric acid10. When nitric acid is gradually added to Na2WO4 solution, it changes to sodium paratungstate Na10W12O41 and metatungstate Na6W12O39 around pH 5.9 and 4.0 corresponding to the ratios 6W:7H and 6W:9H, respectively10.", "mime": "application/pdf"}, {"id": "ecletica-628", "words": "1870", "extension": ".pdf", "flesch": "57", "author": "Zamian, Jos\u00e9 Roberto; Mauro, Antonio Eduardo; Nunes, Carolina Coimbra; de Almeida, Eduardo Tonon", "title": "Thermal decomposition and stability in a series of heterobimetallic carbonyl compounds of the type [Fe(CO)4(HgX)2] (X=Cl, Br, I)", "date": "2000", "keywords": "compounds; javascript; links; metal; void(0", "summary": "Introduction Reactions of transition - metal complexes with mercury salts have yielded a number of compounds which show metal-mercury bonds4,10-13. LEWIS, J. , WILD, B. Chemistry of polynuclear compounds.", "mime": "application/pdf"}, {"id": "ecletica-629", "words": "3488", "extension": ".pdf", "flesch": "50", "author": "Pereira, Bras\u00edlio Carvalho de Ara\u00fajo ; Klein, Stanlei Ivair; Dias, Marcos Lopes", "title": "Cat\u00e1lise estereoespec\u00edfica de estireno por titanocenos alquil-substitu\u00eddos do tipo (RCp)2TiCl2", "date": "2000", "keywords": "com; complexos; dos; efeito; fam\u00edlia; foi; foram; maior; massa; para; pela; pol\u00edmeros; por; que; rcp)2ticl2; temperatura; uma", "summary": "\u00c9 importante observar que os melhores resultados obtidos, \u00e0 temperatura de trabalho de 50 oC, para os complexos alquil substitu\u00eddos foram com (nBuCp)2TiCl2 e (sBuCp)2TiCl2, o que pode sugerir um limite do tamanho de R dentro de nossa s\u00e9rie para um m\u00e1ximo de efici\u00eancia em polimeriza\u00e7\u00e3o. Para os complexos com RCH2-, foram obtidas quantidades superiores de massa bruta de pol\u00edmero em rela\u00e7\u00e3o aos complexos com RCH-.", "mime": "application/pdf"}, {"id": "ecletica-63", "words": "4900", "extension": ".pdf", "flesch": "62", "author": "da Silva, Bruno Molero; da Silva, Paulo Roberto das Dores; Rezende, Maria Ol\u00edmpia Oliveira", "title": "Desenvolvimento de metodologia verde por HPLC/UV para determina\u00e7\u00e3o de glifosato em amostras ambientais de solo", "date": "2016", "keywords": "adsor\u00e7\u00e3o; amostras; com; como; das; dos; foi; foram; gli; glifosato; nas; nos; para; pode; que; qu\u00edmica; recupera\u00e7\u00e3o; solo; s\u00e3o; uma; vol", "summary": "V\u00e1rios modelos foram propostos para os mecanismos de adsor\u00e7\u00e3o de pesticidas no solo. A grande utiliza\u00e7\u00e3o de GLI pode levar a efeitos delet\u00e9rios no ambiente ap\u00f3s seu uso prolongado.", "mime": "application/pdf"}, {"id": "ecletica-630", "words": "2633", "extension": ".pdf", "flesch": "46", "author": "Silva, Ailton Roberto; Veronezi, Ana Maria; Mantovani, Roger Ant\u00f4nio; Zorel J\u00fanior, Henrique Emilio; Ribeiro, Cl\u00f3vis Augusto; Crespi, Marisa Spirandeli", "title": "Identifica\u00e7\u00e3o e quantifica\u00e7\u00e3o de resinas, cargas e pigmentos em tintas l\u00e1tex branca", "date": "2000", "keywords": "com; curvas; das; dta; javascript; links; para; por; que; resinas; tintas; void(0", "summary": "Para a resina vin\u00edlica observa-se que a termodecomposi\u00e7\u00e3o ocorre em tr\u00eas etapas, enquanto que para as demais resinas, em apenas duas etapas de perda de massa e res\u00edduos inferiores a 4%. Considerando os valores de RP/V e resultados de difratometria de raios X conclu\u00edmos que as tintas analisadas apresentam quase que exclusivamente pigmento TiO2 de fase rutilo para tintas latex a base de resinas acr\u00edlicas, vin\u00edlicas e alqu\u00eddicas e carga CaCO3 para tintas latex brancas a base de resinas acr\u00edlicas e vin\u00edlicas.", "mime": "application/pdf"}, {"id": "ecletica-631", "words": "3005", "extension": ".pdf", "flesch": "60", "author": "Cavalheiro, Ana Cristina Villafranca; de Moraes, Mercedes; Pezza, Leonardo", "title": "Constru\u00e7\u00e3o e aplica\u00e7\u00e3o f\u00edsico-qu\u00edmica de um eletrodo de segunda esp\u00e9cie, sens\u00edvel ao \u00edon oxalato, em meio aquoso", "date": "2000", "keywords": "eletrodo; equa\u00e7\u00e3o; foi; for\u00e7a; i\u00f4nica; javascript; links; oxalato; para; potencial; void(0", "summary": "Resultados e discuss\u00e3o O tempo de resposta do eletrodo \u00e9 de 30 s, e foi determinado segundo procedimento anteriormente descrito.5,21 Foram obtidas as curvas de calibra\u00e7\u00e3o para cada for\u00e7a i\u00f4nica estudada e, ap\u00f3s o ajuste pelo m\u00e9todo de regress\u00e3o linear, chegou-se \u00e0s equa\u00e7\u00f5es e aos intervalos de concentra\u00e7\u00e3o de oxalato, para cada for\u00e7a i\u00f4nica. O precipitado formado foi filtrado em funil de vidro sinterizado, lavado exaustivamente com \u00e1gua deionizada para eliminar o excesso de oxalato diss\u00f3dico e, seco em dessecador (contendo CaCl2 como secante) \u00e0 press\u00e3o reduzida, \u00e0 temperatura ambiente, at\u00e9 obter massa constante em balan\u00e7a anal\u00edtica.", "mime": "application/pdf"}, {"id": "ecletica-632", "words": "2330", "extension": ".pdf", "flesch": "46", "author": "Santarine, Gerson Antonio; Stein-Barana, Alzira Cristina de Mello ", "title": "Visualiza\u00e7\u00e3o e caracteriza\u00e7\u00e3o de campos ultra-s\u00f4nicos via \u00f3ptica de Schlieren", "date": "2000", "keywords": "com; densidade; luz; para; pode; por; que; refra\u00e7\u00e3o; schlieren; ser; ultra; uma; \u00edndice", "summary": "Em outras palavras, mudan\u00e7as infinitesimais do \u00edndice de refra\u00e7\u00e3o conduzem a informa\u00e7\u00f5es relativas ao campo de densidade. Este conjunto foi inserido na se\u00e7\u00e3o de testes da montagem \u00f3ptica.", "mime": "application/pdf"}, {"id": "ecletica-633", "words": "2989", "extension": ".pdf", "flesch": "49", "author": "Delatorre, Pl\u00ednio; Delamano, M\u00e1rcia; Fadel, Valmir; Honda, Rubens Tomio; Smarra, Andr\u00e9 Lu\u00eds Soares; Canduri, Fernanda; Oliveri, Johnny Rizzieri; Bonilla-Rodriguez, Gustavo Orlando; de Azevedo J\u00fanior, Walter Filgueira", "title": "Crystallographic studies of fish hemoglobins", "date": "2000", "keywords": "crystallization; fish; hemoglobins; javascript; links; ray; void(0", "summary": "The data shown here is part of a systematic functional and structural study of fish hemoglobins with the aim of better understanding the outstanding range of functional and structural properties exhibited by these proteins. The animal kingdom is plenty of isomorphic hemoglobins working on a variety of physiological requirements and subject to environmental stress, being a natural source for studying structure-function relationships.23 In order to improve our understanding of the structural basis for the variety of functional behaviors, present in fish hemoglobins, we have started a systematic functional and structural study of hemoglobins isolated from Brazilian fishes.5, 8, 10, 21, 23 High-resolution determination of fish hemoglobins is essencial for a detailed understanding of the wide spectrum of functional behaviors present by fish hemoglobins.", "mime": "application/pdf"}, {"id": "ecletica-634", "words": "2535", "extension": ".pdf", "flesch": "54", "author": "Franco, Alexandre; Cardoso, Arnaldo Alves; Allen, Andrew George", "title": "Extra\u00e7\u00e3o de am\u00f4nio de filtros de amostragem, coleta e determina\u00e7\u00e3o pelo m\u00e9todo da gota suspensa", "date": "2000", "keywords": "am\u00f4nia; com; foi; gota; javascript; links; para; que; solu\u00e7\u00e3o; uma; void(0; \u00e1cido", "summary": "Foram preparados filtros contendo quantidades de am\u00f4nio variando de 12,5 a 250,0 nmol. Solu\u00e7\u00f5es padr\u00e3o de sulfato de am\u00f4nio com concentra\u00e7\u00e3o variando entre 50 e 10 000 ppb foram obtidas por dilui\u00e7\u00e3o, a partir de uma solu\u00e7\u00e3o estoque de 50 ppm.", "mime": "application/pdf"}, {"id": "ecletica-635", "words": "5219", "extension": ".pdf", "flesch": "48", "author": "Faber, Marcelo; Fertonani, Fernando Luis; Yamanaka, Hideko; Benedetti, Assis Vicente", "title": "Microeletrodos: III. Arranjos de microeletrodos, constru\u00e7\u00e3o e caracteriza\u00e7\u00e3o", "date": "2000", "keywords": "arranjo; com; condi\u00e7\u00e3o; corrente; difus\u00e3o; empregando; entre; estacion\u00e1rio; estado; foi; foram; javascript; links; microeletrodos; para; por; que; s-1; ser; uma; valores; void(0; voltamogramas", "summary": "Ao suporte pl\u00e1stico da agulha foi adaptado um pequeno tubo pl\u00e1stico para conex\u00e3o do eletrodo de refer\u00eancia e de uma pequena mangueira para elimina\u00e7\u00e3o de solu\u00e7\u00e3o. A modifica\u00e7\u00e3o destes substratos tem como finalidade o preparo de bioeletrodos pela eletrodeposi\u00e7\u00e3o de filmes polim\u00e9ricos condutores13,14, o estudo das rea\u00e7\u00f5es em estado s\u00f3lido merc\u00fario-substrato13-16 e a conseq\u00fcente gera\u00e7\u00e3o de filmes finos de merc\u00fario e de am\u00e1lgama Hg- substrato (PtHg4/Pt, PtHg4-RhHg2/Pt-Rh), para decomposi\u00e7\u00e3o de corantes de efluentes industriais.", "mime": "application/pdf"}, {"id": "ecletica-636", "words": "4144", "extension": ".pdf", "flesch": "64", "author": "Demuner, Ant\u00f4nio Jacinto; Longue Filho, Mauro; Barbosa, Luiz Cl\u00e1udio de Almeida; dos Santos, Maria Am\u00e9lia", "title": "S\u00edntese e avalia\u00e7\u00e3o da atividade nematicida de derivados da piperazina", "date": "2001", "keywords": "cm-1; com; composto; foi; foram; mhz; mmol; para; piperazina; por; que; rmn; solu\u00e7\u00e3o", "summary": "Neste caso, a rela\u00e7\u00e3o entre (5) e (6) foi de 2:1. A um bal\u00e3o bitubulado (125 mL), equipado com um funil de adi\u00e7\u00e3o contendo cloroformato de metila (0,75 mL; 10 mmol) dissolvido em etanol 95% (5 mL), sob agita\u00e7\u00e3o magn\u00e9tica, atmosfera de nitrog\u00eanio e \u00e0 temperatura ambiente, foi adicionada solu\u00e7\u00e3o de piperazina (860 mg; 10 mmol) em etanol 95% (50 mL).", "mime": "application/pdf"}, {"id": "ecletica-637", "words": "5238", "extension": ".pdf", "flesch": "73", "author": "Belinelo, Valdenir Jos\u00e9; Pil\u00f3-Veloso, Dorila; e Borges, Eduardo Euclydes de Lima; Alves, Dalton Luiz Ferreira; Reis, Genu\u00edna Teixeira", "title": "S\u00edntese e atividade fitot\u00f3xica de amidas derivadas do \u00e1cido 6\u03b1,7\u03b2-di-hidroxivouacapan-17\u03b2-\u00f3ico*", "date": "2001", "keywords": "cdcl3; ch2; ch3; foram; javascript; links; mhz; para; rmn; void(0; \ufffd =; \ufffd \ufffd", "summary": "\ufffd \ufffd \ufffd RMN de 13C (CDCl3, 100 MHz) \ufffd \ufffd Washington: Ed H. G. Cutler - American Chemical Society. 1988.", "mime": "application/pdf"}, {"id": "ecletica-638", "words": "1897", "extension": ".pdf", "flesch": "55", "author": "Schnitzler, Egon; Carvalho Filho, Marco Aur\u00e9lio da Silva; Stadler, Carlos Cezar; Volpato, Ana M\u00e1rcia; Ionashiro, Massao", "title": "Aplica\u00e7\u00e3o da calorimetria explorat\u00f3ria diferencial (DSC) na caracteriza\u00e7\u00e3o t\u00e9rmica do acetato de dexametazona, excipientes e do creme de dexametazona", "date": "2001", "keywords": "curvas; dexametazona; dsc; javascript; links; princ\u00edpio; void(0", "summary": "As massas de amostra utilizadas foram da ordem de 7 mg, cadinho de platina (TG e DTG) e cadinho de alum\u00ednio com tampa perfurada (DSC). http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-46702001000100003&lng=en&nrm=iso&tlng=pt#fig09 http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-46702001000100003&lng=en&nrm=iso&tlng=pt#fig08 http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-46702001000100003&lng=en&nrm=iso&tlng=pt#fig07 http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-46702001000100003&lng=en&nrm=iso&tlng=pt#fig06 http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-46702001000100003&lng=en&nrm=iso&tlng=pt#fig06 Nas Figuras 10 e 11 encontram-se as curvas DSC dos cremes de dexametazona produzidos, utilizando-se o princ\u00edpio ativo padr\u00e3o e o princ\u00edpio ativo contendo impurezas, respectivamente.", "mime": "application/pdf"}, {"id": "ecletica-639", "words": "3868", "extension": ".pdf", "flesch": "57", "author": "Kapor, Marcos Andr\u00e9; Yamanaka, Hideko; Carneiro, Patr\u00edcia Alves; Zanoni, Maria Valnice Boldrin", "title": "Eletroan\u00e1lise de corantes aliment\u00edcios: determina\u00e7\u00e3o de \u00edndigo carmim e tartrazina", "date": "2001", "keywords": "1x10; 7mol.l-1; amostras; carmim; com; corante; foi; javascript; links; para; pico; potencial; solu\u00e7\u00e3o; tamp\u00e3o; tartrazina; void(0; \u00edndigo", "summary": "A repetibilidade do sinal foi testada para solu\u00e7\u00f5es 1x10-7mol.L-1 de tartrazina e \u00edndigo carmim e um respectivo desvio padr\u00e3o relativo de 3,2% e 2,1% foi obtido em tais condi\u00e7\u00f5es (n=7). L-1 do corante \u00edndigo carmim e submetidas a adi\u00e7\u00e3o de padr\u00e3o da solu\u00e7\u00e3o de \u00edndigo carmim apresentaram um descobrimento de 99,85 \u00b1", "mime": "application/pdf"}, {"id": "ecletica-64", "words": "3876", "extension": ".pdf", "flesch": "59", "author": "Clemes, Sabrina de Moraes; Santos, Thalita Gilda; Rebelo, Ricardo Andrade; Laps, Rudi Ricardo; Pescador, Rosete", "title": "Seasonality and hydrodistillation time effects on the yield and chemical composition of leaves essential oil of Piper mikanianum (Kunth) Steudel", "date": "2016", "keywords": "hydrodistillation; leaves; mikanianum; min; oil; piper; safrole", "summary": "The large differences between the yield and essential oil composition of P. mikanianum in the southern states of Brazil may be the consequence of its adaptive history to the biotic and abiotic characteristics of each region, creating different chemotypes for this species. | artigo 12 | Ecl\u00e9tica Qu\u00edmica, vol. 40, 117-125, 2015. 117 Seasonality and hydrodistillation time effects on the yield and chemical composition of leaves essential oil of Piper mikanianum", "mime": "application/pdf"}, {"id": "ecletica-640", "words": "2148", "extension": ".pdf", "flesch": "61", "author": "Batalini, Claudemir; Bieber, Lothar Wilhelm", "title": "Model studies on the synthesis of the natural meroterpenoid cordiaquinone A", "date": "2001", "keywords": "javascript; links; mmol; void(0", "summary": "On rising the temperature slowly to -10\u00b0 C, a green, homogeneous solution was formed which was kept for 2 days at -7\u00b0 C. The solution was cooled to -78\u00b0 C and 10.0 mmol (1.14 g) of e-caprolactone (10) were added followed, after 30 min., by 10.0 mmol (0.8 mL) of methyl chloroformiate.", "mime": "application/pdf"}, {"id": "ecletica-641", "words": "2089", "extension": ".pdf", "flesch": "56", "author": "Augusto, Paulo Sergio Pilz; Drigo Filho, Elso; Ruggiero, Jose Roberto", "title": "Statistical model to DNA melting", "date": "2001", "keywords": "denaturation; dna; javascript; links; model; void(0", "summary": "[ Links ] 2 DAUXOIS, T.; PEYRARD, M.; BISHOP, A. R. Dynamics and thermodynamics of a nonlinear model for DNA denaturation. [ Links ] javascript:void(0); javascript:void(0); javascript:void(0); javascript:void(0); javascript:void(0); javascript:void(0); javascript:void(0); javascript:void(0); javascript:void(0); 10 NIETO, M. M.; SIMMONS Jr., L. M. Eigenstates, coherent states, and uncertainty products for the Morse oscillator.", "mime": "application/pdf"}, {"id": "ecletica-642", "words": "2538", "extension": ".pdf", "flesch": "56", "author": "Ananias, Sandra Regina; Mauro, Antonio Eduardo; Nogueira, V\u00e2nia Martins; Haddad, Paula Silvia; de Almeida, Eduardo Tonon", "title": "Investiga\u00e7\u00e3o eletroqu\u00edmica de alguns compostos organopal\u00e1dio(II). Determina\u00e7\u00e3o dos processos de redu\u00e7\u00e3o do centro met\u00e1lico em ciclopaladados", "date": "2001", "keywords": "javascript; links; para; pd(dmba)(m; redu\u00e7\u00e3o; void(0", "summary": "A eletr\u00f3lise em potencial controlado, tanto em Epc 1 quanto em Epc 2, mostrou o consumo de dois el\u00e9trons em cada uma, o que est\u00e1 de acordo com a redu\u00e7\u00e3o de Pd (II) a Pd (I) e de Pd (I) a Pd (0), respectivamente, em conseq\u00fc\u00eancia da redu\u00e7\u00e3o dos dois \u00e1tomos de Pd da esp\u00e9cie investigada. As condi\u00e7\u00f5es empregadas neste trabalho para investiga\u00e7\u00e3o eletroqu\u00edmica dos processos de redu\u00e7\u00e3o e oxida\u00e7\u00e3o permitiram constatar a redu\u00e7\u00e3o de Pd (II)\u2013 Pd (I) nos compostos 1-3, seguida da redu\u00e7\u00e3o de Pd (I) \u2013 Pd (0) em 1, e a redu\u00e7\u00e3o de Pd (II) \u2013 Pd (0) somente em 5.", "mime": "application/pdf"}, {"id": "ecletica-643", "words": "2235", "extension": ".pdf", "flesch": "45", "author": "Adorno, Antonio Tallarico; Guerreiro, Marco Roberto; Benedetti, Assis Vicente", "title": "Determina\u00e7\u00e3o das energias de ativa\u00e7\u00e3o para nuclea\u00e7\u00e3o de precipitados e difus\u00e3o da prata na liga Cu-2%Al com adi\u00e7\u00f5es de prata", "date": "2001", "keywords": "com; dureza; envelhecimento; figura; ligas; para; prata; que; temperatura", "summary": "O valor obtido a partir do coeficiente angular da reta da figura 7 foi E = 46 kJ/mol, bastante pr\u00f3ximo dos valores citados na literatura2,6. http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-46702001000100008&lng=en&nrm=iso&tlng=pt#FIG07 http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-46702001000100008&lng=en&nrm=iso&tlng=pt#FIG07 http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-46702001000100008&lng=en&nrm=iso&tlng=pt#FIG06 http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-46702001000100008&lng=en&nrm=iso&tlng=pt#FIG05 http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-46702001000100008&lng=en&nrm=iso&tlng=pt#FIG05 http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-46702001000100008&lng=en&nrm=iso&tlng=pt#FIG06 Nas curvas da figura 4, a regi\u00e3o entre o final do per\u00edodo de incuba\u00e7\u00e3o e o in\u00edcio da estabiliza\u00e7\u00e3o da dureza, ou seja, a regi\u00e3o de crescimento da dureza, pode ser considerada como aproximadamente retil\u00ednea. As energias de ativa\u00e7\u00e3o para nuclea\u00e7\u00e3o de precipitados ricos em prata e de difus\u00e3o da prata no cobre, em ligas de Cu-2%Al contendo 2, 4, 6, 8, 10 e 12%Ag, em peso, foram determinadas utilizando-se medidas de varia\u00e7\u00e3o da microdureza com a temperatura e o tempo de envelhecimento.", "mime": "application/pdf"}, {"id": "ecletica-644", "words": "3457", "extension": ".pdf", "flesch": "59", "author": "Cassiano, Neila Maria; Ramos, Luiz Ant\u00f4nio; Capelato, Milton Duffles", "title": "Di\u00f3xido de chumbo eletrodepositado sobre grafite como sensor potenciom\u00e9trico a ions chumbo e sulfato", "date": "2001", "keywords": "5,00x10; chumbo; com; como; eletrodo; etanol; foi; hno3; l-1; mol; para; pb(ii; pbo2; solu\u00e7\u00e3o; uma; \u00edons", "summary": "A partir da solu\u00e7\u00e3o estoque, de uma solu\u00e7\u00e3o padronizada de HNO3 5,00x10-1 mol L-1e de uma solu\u00e7\u00e3o de NaNO3, 5,00x10-1 mol L-1 foram preparadas sete solu\u00e7\u00f5es de trabalho de Pb(II) em for\u00e7a i\u00f4nica 5,00x10-1 mol L-1 ajustada com NaNO3: Pb(NO3)2 9,98x10-2 mol L-1, HNO3 3,00 x10-2 mol L-1, NaNO3 1,70 x10-1 mol L-1. Os eletrodep\u00f3sitos de PbO2 foram preparados a partir do eletr\u00f3lito metanossulfonato de chumbo 1,5 mol L-1 e \u00e1cido metanossulf\u00f4nico 5,0x10-1 mol L-1 contendo 5,0x10-3 mol L-1 de brometo de cetiltrimetilam\u00f4nio (BCTA) como agente tensoativo.", "mime": "application/pdf"}, {"id": "ecletica-645", "words": "3808", "extension": ".pdf", "flesch": "41", "author": "Acciari, Helo\u00edsa Andr\u00e9a; Guastaldi, Antonio Carlos; Brett, Christopher Michael Ashton", "title": "Resist\u00eancia \u00e0 corros\u00e3o das fases presentes em am\u00e1lgamas dent\u00e1rios", "date": "2001", "keywords": "com; corrosion; corros\u00e3o; filme; imped\u00e2ncia; javascript; links; para; pela; pode; por; potencial; que; resist\u00eancia; ser; uma; void(0", "summary": "A primeira componente pode ser determinada pela resist\u00eancia de transfer\u00eancia de carga, neste caso representada por R1, e pela capacit\u00e2ncia da dupla-camada el\u00e9trica (representada por C1), modelada pela associa\u00e7\u00e3o em paralelo destes dois elementos. Para os ensaios de corros\u00e3o foram preparados eletrodos de trabalho a partir dos corpos-de-prova obtidos, os quais foram embebidos em resina polim\u00e9rica, com uma de suas faces planas exposta, de \u00e1rea aproximada a 0.3 cm2.", "mime": "application/pdf"}, {"id": "ecletica-646", "words": "3853", "extension": ".pdf", "flesch": "54", "author": "Dakuzaku, Carolina Sinabucro; Freschi, Gian Paulo Giovanni; de Moraes, Mercedes; Gomes Neto, Jos\u00e9 Anchieta", "title": "Influ\u00eancia de nitrato de pal\u00e1dio, nitrato de magn\u00e9sio e nitrato de n\u00edquel no comportamento t\u00e9rmico de ars\u00eanio em a\u00e7\u00facares por espectrometria de absor\u00e7\u00e3o at\u00f4mica em forno de grafite", "date": "2001", "keywords": "arsenic; atomiza\u00e7\u00e3o; a\u00e7\u00facar; com; como; determina\u00e7\u00e3o; foi; foram; hno3; javascript; links; modificador; para; pir\u00f3lise; void(0", "summary": "Para cada modificador, temperaturas de pir\u00f3lise e atomiza\u00e7\u00e3o foram avaliadas por meio de curvas de pir\u00f3lise e de atomiza\u00e7\u00e3o, respectivamente. Seu significado biol\u00f3gico como elemento tra\u00e7o n\u00e3o tem sido completamente esclarecido 24, por\u00e9m sabe-se que compostos de As(III) possuem maior toxicidade comparados a compostos de As(V), sendo os organoars\u00eanicos menos t\u00f3xicos, e alguns at\u00e9 at\u00f3xicos.", "mime": "application/pdf"}, {"id": "ecletica-647", "words": "5138", "extension": ".pdf", "flesch": "45", "author": "da Cruz, Sandra Helena; Cassio, Fernanda; Le\u00e3o, Cec\u00edlia; Ernandes, Jos\u00e9 Roberto", "title": "O efeito da complexidade estrutural da fonte de nitrog\u00eanio no transporte de am\u00f4nio em Saccharomyces cerevisiae", "date": "2001", "keywords": "amino\u00e1cidos; am\u00f4nio; cerevisiae; com; como; crescidas; c\u00e9lulas; de am\u00f4nio; diferentes; dos; efluxo; foi; fonte; foram; glicose; javascript; links; meio; metilam\u00f4nio; nitrog\u00eanio; n\u00e3o; para; pelo; que; saccharomyces; transporte; uma; void(0", "summary": "A express\u00e3o dos transportadores tamb\u00e9m aconteceu de forma diferente em c\u00e9lulas crescidas na presen\u00e7a de am\u00f4nio e de peptona. Os valores de Km e Vmax s\u00e3o diferentes para as c\u00e9lulas crescidas na presen\u00e7a de peptona e sulfato de am\u00f4nio e isto, em parte, deve-se ao fato das c\u00e9lulas apresentarem diferentes estados fisiol\u00f3gicos quando crescidas em diferentes meios.", "mime": "application/pdf"}, {"id": "ecletica-648", "words": "2492", "extension": ".pdf", "flesch": "50", "author": "Tininis, Aristeu Gomes; Santini, Alberto Oppermann; Fagnani, Enelton; Melios, Cristo Bladimiros; Pezza, Leonardo; Pezza, Helena Redigolo", "title": "Desenvolvimento de metodologia simplificada para an\u00e1lise de hexametilenotetramina (HMT) em medicamentos contendo corantes em sua formula\u00e7\u00e3o", "date": "2001", "keywords": "com; como; corantes; determination; foi; hmt; javascript; links; methenamine; para; por; que; sua; void(0; \u00e1cido", "summary": "No presente trabalho propomos uma metodologia simples, r\u00e1pida e de baixo custo para a extra\u00e7\u00e3o dos corantes usando um kit proposto anteriormente para spot-test 23. A solu\u00e7\u00e3o de amostra assim preparada foi passada por uma coluna de algod\u00e3o preparada como se segue: tr\u00eas bolas de algod\u00e3o seco (@ 3,6 g) s\u00e3o colocadas dentro de uma seringa de 20 mL sem agulha (9,6 cm de comprimento e 1,8 cm de di\u00e2metro interno) com o aux\u00edlio de seu pr\u00f3prio pist\u00e3o de tal modo que o volume ocupado pelo algod\u00e3o seja de aproximadamente 17 mL (gradua\u00e7\u00e3o da pr\u00f3pria seringa).", "mime": "application/pdf"}, {"id": "ecletica-649", "words": "2278", "extension": ".pdf", "flesch": "47", "author": "Ribeiro, Cl\u00f3vis Augusto; Crespi, Marisa Spirandeli; Guerreiro, Cassia Teresa Ramelo; Veronezi, Ana Maria", "title": "Dehydration and volatilization non-isothermic kinetic of the solid state aluminium 8-hydroxyquinolinate", "date": "2001", "keywords": "aluminium; curves; javascript; links; reaction; void(0", "summary": "The lower Ea value obtained in the second stage through KAS method may be ascribed to the influence of the partial thermal decomposition, generally an exothermic reaction, on the sublimation/volatilisation process which is endothermic. Although the Ea values to dehydration reaction eliminate the validity interval required to x, it has been shown by Vyazovkin17 that the linear procedures gives quite satisfactory values of Ea at x>13 to KAS method.", "mime": "application/pdf"}, {"id": "ecletica-65", "words": "3144", "extension": ".pdf", "flesch": "60", "author": "Borges, Karen Ara\u00fajo; Santos, Douglas Queiroz; Borges Neto, Waldomiro; Fabris, Jos\u00e9 Domingos; Hern\u00e1ndez-Terrones, Manuel Gonzalo", "title": "Performance das vari\u00e1veis operacionais na transesterifica\u00e7\u00e3o et\u00edlica do \u00f3leo de soja", "date": "2016", "keywords": "-1 -1; biodiesel; catalisador; para; que; rea\u00e7\u00e3o; rendimento; soja; tabela; transesterifica\u00e7\u00e3o; vari\u00e1veis; \u00f3leo", "summary": "O objetivo do presente trabalho foi determinar o comportamento das vari\u00e1veis operacionais de maior import\u00e2ncia no processo de transesterifica\u00e7\u00e3o et\u00edlica do \u00f3leo de soja, usando catalisadores hidr\u00f3xidos de s\u00f3dio e pot\u00e1ssio, atrav\u00e9s de um planejamento fatorial fracion\u00e1rio de dois n\u00edveis. RESULTADOS E DISCUSS\u00c3O Caracteriza\u00e7\u00e3o f\u00edsico-qu\u00edmica do \u00f3leo: A qualidade do \u00f3leo de soja \u00e9 descrita em termos da suas propriedades f\u00edsico-qu\u00edmicas.", "mime": "application/pdf"}, {"id": "ecletica-650", "words": "2432", "extension": ".pdf", "flesch": "50", "author": "Capela, Marisa Veiga; Magnani, Romeu; Adorno, Antonio Tallarico; Capela, Jorge Manuel Vieira", "title": "Compara\u00e7\u00e3o do ajuste dos modelos de Morgan-Mercer-Flodin e de Johnson-Mehl-Avrami na rea\u00e7\u00e3o de precipita\u00e7\u00e3o na liga Cu-3%Al-5%Ag", "date": "2001", "keywords": "com; das; distribui\u00e7\u00e3o; dos; estimativas; fun\u00e7\u00e3o; fun\u00e7\u00f5es; javascript; jma; mmf; par\u00e2metros; s\u00e3o", "summary": "Os par\u00e2metros do modelo de MMF t\u00eam a mesma interpreta\u00e7\u00e3o f\u00edsica dos par\u00e2metros da fun\u00e7\u00e3o de JMA. Apesar dessas fun\u00e7\u00f5es serem anteriormente consideradas distintas, verificou-se que a fun\u00e7\u00e3o de MMF \u00e9 uma aproxima\u00e7\u00e3o da fun\u00e7\u00e3o de JMA, sendo que esta, com a parametriza\u00e7\u00e3o adequada, \u00e9 a mais indicada para descrever o processo cin\u00e9tico considerado.", "mime": "application/pdf"}, {"id": "ecletica-652", "words": "3049", "extension": ".pdf", "flesch": "52", "author": "de Oliveira, Luiz Antonio Andrade; Valle, Gisele Gomes; Zanluqui, Lu\u00eds Andr\u00e9", "title": "Constru\u00e7\u00e3o de pilhas el\u00e9tricas simples - um experimento integrado de qu\u00edmica e f\u00edsica", "date": "2001", "keywords": "com; como; corrente; das; eletr\u00f3lito; el\u00e9trica; para; pilha; que; qu\u00edmica; ser; s\u00e3o; uma; zinco; \u00e1gua", "summary": "Prenda uma l\u00e2mina de cobre e uma de zinco na parede de um bequer, com a por\u00e7\u00e3o maior das l\u00e2minas voltadas para o seu interior. Neste caso, a associa\u00e7\u00e3o da ocorr\u00eancia de rea\u00e7\u00e3o qu\u00edmica com a produ\u00e7\u00e3o de corrente el\u00e9trica pode ser feita facilmente, comparando-se visualmente os aspecto final e inicial da l\u00e2mina de zinco ap\u00f3s algum tempo de funcionamento da pilha.", "mime": "application/pdf"}, {"id": "ecletica-653", "words": "257", "extension": ".pdf", "flesch": "34", "author": "Benedetti, Assis Vicente", "title": "Editorial board", "date": "2018", "keywords": "brazil; prof", "summary": "Sul, UFRGS, RS, Brazil Prof. Enric Brillas, Facultat de Qu\u00edmica, Universitat de Barcelona, Spain Prof. Ver\u00f3nica Cort\u00e9s de Zea Bermudez, Escola de Ci\u00eancias da Vida e do Ambiente,Universidade de Tr\u00e1s- os-Montes e Alto Douro, Vila Real, Portugal Prof. Lauro Kubota, Instituto de Qu\u00edmica, Universidade Estadual de Campinas, Unicamp, SP, Brazil Prof. Ivano Gerardt Rolf Gutz, Instituto de Qu\u00edmica, Universidade de S\u00e3o Paulo, USP, SP, Brazil Prof. Jos\u00e9 Ant\u00f4nio Maia Rodrigues, Faculdade de Ci\u00eancias, Universidade do Porto, Portugal Prof. Bayardo Baptista Torres, Instituto de Qu\u00edmica, Universidade de S\u00e3o Paulo, USP, SP, Brazil Technical Staff Gustavo Marcelino de Souza Lucas Henrique de Carvalho Machado Ecl\u00e9tica Qu\u00edmica Journal 2018 http://revista.iq.unesp.br/ojs/index.php/ecletica/index", "mime": "application/pdf"}, {"id": "ecletica-655", "words": "1783", "extension": ".pdf", "flesch": "49", "author": "Benedetti, Assis Vicente", "title": "Author guidelines", "date": "2018", "keywords": "authors; eclet; manuscript; quim", "summary": "| Vol. 43 | n. 1 | 2018 | Instructions for Authors Preparation of manuscripts \u2022 Only manuscripts in English will be accepted. \u2022 Figures, schemes, and photos already published by the same or different authors in other publications may be reproduced in manuscripts of Eclet.", "mime": "application/pdf"}, {"id": "ecletica-656", "words": "253", "extension": ".pdf", "flesch": "-25", "author": "Benedetti, Assis Vicente", "title": "Summary", "date": "2018", "keywords": "silva", "summary": "| 2018 | SUMMARY EDITORIAL BOARD........................................................................................................................................3 EDITORIAL\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026..........................................................................................4 INSTRUCTIONS FOR AUTHORS....................................................................................................................5 ORIGINAL ARTICLES Synthesis of chitosan-stabilized bimetallic nanoparticles containing Fe and Ni and the reductive degradation of nimesulide\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026.........................................................................10 Andressa Aparecida Gon\u00e7alves, Annelise Fran\u00e7a Ara\u00fajo, Manoel Jos\u00e9 Mendes Pires, Rodrigo Moreira Verly, D\u00e9bora Vilela Franco, Leonardo Morais da Silva Photocatalytic degradation of methylene blue using TiO2 supported in ceramic material...................26 Raul Fernando de Mello Peters, P\u00e2mela Andr\u00e9a Mantey dos Santos, Tiele Caprioli Machado, Diosnel Antonio Rodriguez Lopez, \u00canio Leandro Machado, Adriane de Assis Lawisch Rodriguez Antifungal piperamides from Piper mollicomum Kunth (Piperaceae)....................................................33 Herlle Aparecido da Silva, Lydia Fumiko Yamaguchi, Maria Cl\u00e1udia Marx Young, Cl\u00e9cio Souza Ramos, Andr\u00e9 M\u00e1rcio Ara\u00fajo Amorim, Massuo Jorge Kato, Ronan Batista Advantages of the use of heterogeneous catalyst for Huisgen cycloaddition reaction: synthesis and application of new metalorganic material capable of regeneration and reuse.....................................39 M\u00f4nica Freire Belian, Moara Targino da Silva, Aline de Andrade Alves, Ronaldo Nascimento de Oliveira, Wagner Eduardo da Silva Removal of textile dye by adsortion on the cake as solid waste from the press-extraction of the maca\u00faba (Acrocomia aculeata) kernel oil................................................................................................48 Alice Santos Caldeira, Jos\u00e9 Domingos Fabris, David Lee Nelson, Sandra Matias Damasceno Complexations of Divalent Metallic Ions with Fulvic Acids\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026.\u2026\u202654 Denise de Oliveira Vaz, Andreia N. Fernandes, Bruno Szpoganicz Study of the thermal behavior in solid state of Mn(II)-Diclofenac Complex\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026.\u2026\u202659 Marcelo Kobelnik, Valdecir \u00c2ngelo Quarcioni, Ad\u00e9lia Em\u00edlia de Almeida, Cl\u00f3vis Augusto Ribeiro, Marisa Spirandeli Crespi http://revista.iq.unesp.br/ojs/index.php/ecletica/index Summary iq.unesp.br/ecletica", "mime": "application/pdf"}, {"id": "ecletica-66", "words": "3204", "extension": ".pdf", "flesch": "62", "author": "Martins, \u00c2ngela Pinheiro; Luiz, Vitor Hugo Marques; Pezza, Leonardo; Pezza, Helena Redigolo", "title": "Desenvolvimento de m\u00e9todo espectrofotom\u00e9trico ambientalmente mais limpo para an\u00e1lise de nitrito em salsichas", "date": "2016", "keywords": "an\u00e1lise; com; foi; foram; mg.l; m\u00e9todo; ned; nitrito; para; proposto; que; \u00e1cido", "summary": "As condi\u00e7\u00f5es experimentais foram otimizadas por planejamento de experimentos e o m\u00e9todo proposto foi aplicado na an\u00e1lise de amostras de salsichas. O m\u00e9todo proposto foi aplicado com sucesso na an\u00e1lise de nitrito em salsichas e apresentou concord\u00e2ncia com o m\u00e9todo oficial.", "mime": "application/pdf"}, {"id": "ecletica-67", "words": "5444", "extension": ".pdf", "flesch": "53", "author": "Chinelatto, Monique Rosolem; Greve, Larissa Franciane; Pelegrini, Ronaldo Teixeira; de Brito, N\u00fabia Nat\u00e1lia", "title": "Tratamento fotoqu\u00edmico de percolado de aterro sanit\u00e1rio visando reuso na agricultura", "date": "2016", "keywords": "chorume; com; como; concentra\u00e7\u00e3o; dos; estudo; figura; foi; foram; fotoqu\u00edmico; h2o2; para; percolado; por; processo; que; qu\u00edmica; redu\u00e7\u00e3o; sativa; toxicidade; tratado; tratamento", "summary": "Adequadas quantias de H2O2 foram adicionadas \u00e0s amostras de percolado, as quais foram agitadas mediante recircula\u00e7\u00e3o e irradiadas em determinados tempos (por otimiza\u00e7\u00e3o). [18] DI BERNARDO, L. M\u00e9todos e T\u00e9cnicas de Tratamento de \u00c1gua, vol 2.", "mime": "application/pdf"}, {"id": "ecletica-68", "words": "5010", "extension": ".pdf", "flesch": "63", "author": "Payolla, Filipe Boccato; Ribeiro, Sidney Jos\u00e9 Lima; Massabni, Antonio Carlos", "title": "S\u00edntese e caracteriza\u00e7\u00e3o de sab\u00f5es met\u00e1licos de lantan\u00eddios (III)", "date": "2016", "keywords": "behenato; como; complexos; dos; foi; foram; lantan\u00eddios; massa; n\u00e3o; obtidos; para; que; sab\u00f5es; s\u00e3o; s\u00f3dio; uma; \u00e1cido; \u00e1gua", "summary": "de %C e %H para os 6 compostos. Os espectros no infravermelho dos outros 3 complexos Bh3Dy, Bh3Tb e Bh3Yb tamb\u00e9m s\u00e3o muito semelhantes aos dos complexos Bh3Nd e Bh3Eu e, portanto, devem ter as mesmas caracter\u00edsticas estruturais.", "mime": "application/pdf"}, {"id": "ecletica-69", "words": "2293", "extension": ".pdf", "flesch": "56", "author": "Pires, Mariana Rezende; Peixoto, Pedro Gomes; Oliveira, Renato Ventresqui", "title": "Fermenta\u00e7\u00e3o alco\u00f3lica: proposta do ensino das vias bioqu\u00edmicas atrav\u00e9s da destila\u00e7\u00e3o fracionada", "date": "2016", "keywords": "com; destila\u00e7\u00e3o; ensino; etanol; fosfato; para; piruvato; produ\u00e7\u00e3o; que; qu\u00edmica; uma", "summary": "Esse microrganismo ir\u00e1 consumir a glicose e, em condi\u00e7\u00f5es de aus\u00eancia de oxig\u00eanio, produzir\u00e1 etanol. Principios de bioquimica de Lehninger.", "mime": "application/pdf"}, {"id": "ecletica-70", "words": "2619", "extension": ".pdf", "flesch": "48", "author": "Resende, Fl\u00e1via Aparecida; Nogueira, Leonardo Gorla; Bauab, Tais Maria; Vilegas, Wagner; Varanda, Eliana Aparecida", "title": "Antibacterial potential of flavonoids with different hydroxylation patterns", "date": "2016", "keywords": "activity; aureus; bacteria; compounds; flavonoids; gram; membrane; positive", "summary": "This study allows us to conclude that, besides the importance of assessing the structural change of antimicrobial flavonoids, the identification of the mechanisms of action in the flavonoids is key to the pharmacological development of these compounds. The flavonoids evaluated were effective against S. aureus and E. coli, to varying degrees (Table 1), and the S. aureus strain was more sensitive to different flavonoids, being kaempferol the most active compound, with MIC of 62.5 \u03bcg/ mL (Table 1).", "mime": "application/pdf"}, {"id": "ecletica-71", "words": "2434", "extension": ".pdf", "flesch": "62", "author": "Cavicchioli, Mauricio; Payolla, Filipe Boccato; Massabni, Antonio Carlos", "title": "S\u00edntese de novos complexos de platina(II) de interesse biol\u00f3gico. Um novo complexo dinuclear de platina(II) com 5-fluorouracil", "date": "2016", "keywords": "com; complexo; fluorouracil; foi; nh3; uma; vol", "summary": "Estat\u00edsticas dos Estados Unidos publicadas em 2016 projetam aproximadamente 1,7 milh\u00f5es de novos casos de c\u00e2ncer e aproximadamente 600 mil pessoas poder\u00e3o morrer por causa dessa doen\u00e7a. Os deslocamentos das bandas do estiramento dos grupos C=O nas regi\u00f5es de 1720cm -1 e 1652cm -1 para 1575cm -1 e 1504cm -1 , respectivamente, ocorrem devido \u00e0 coordena\u00e7\u00e3o do metal pelos \u00e1tomos de N vizinhos do ligante.", "mime": "application/pdf"}, {"id": "ecletica-72", "words": "2127", "extension": ".pdf", "flesch": "56", "author": "G\u00e1rlipp, Waldir", "title": "Thermomechanical treatment of a Fe-Mn-Al alloy", "date": "2016", "keywords": "alloy; grains; phase", "summary": "By collaboration of the fringes the re- crystallization of \u03b3 phase grains starts at temperature of 800K (1\u25e6) program) and at 1000K (2\u25e6) program) with dimensions less than 12 \u03bcm. Structure and Properties of Austenitic Alloys Containing Aluminum and Silicon, ASM, 52 (1960) 898 [4] D. SPINELLI, I. M. MULLER, L. C. CASTELETTI, Envelhecimento Din\u00e2mico de um A\u00e7o Austenitico do Sistema Fe-Mn-Al, Anais do 7\u25e6 CBECIMAT, UFSC, Florian\u00f3polis, SC, (Dezembro 1986), pgs. 261", "mime": "application/pdf"}, {"id": "ecletica-73", "words": "4760", "extension": ".pdf", "flesch": "55", "author": "Mangoni, Ana Paula; Dias, Patr\u00edcia Moura; Constantino, Vera Leopoldo", "title": "A versatilidade das argilas e as propriedades dos s\u00edtios superficiais de intera\u00e7\u00e3o", "date": "2016", "keywords": "arestas; argilas; bordas; carga; ch3; ch3 ch3; clay; como; c\u00e1tions; das; dos; entre; figura; mol\u00e9culas; nas; para; por; que; qu\u00edmica; superf\u00edcie; s\u00e3o; s\u00edtios; uma; vol; \u00e1gua", "summary": "O estudo da correla\u00e7\u00e3o entre os s\u00edtios ativos das argilas e suas propriedades \u00e9 um tema rico para ser explorado nas disciplinas de Qu\u00edmica. Resumo: Neste artigo, ser\u00e3o apresentados, de maneira simplificada e introdut\u00f3ria, os s\u00edtios ativos presentes nas superf\u00edcies das argilas que as tornam t\u00e3o vers\u00e1teis.", "mime": "application/pdf"}, {"id": "ecletica-74", "words": "5131", "extension": ".pdf", "flesch": "59", "author": "Franco, Douglas Faza; Fares, Hassen; de Souza, Ant\u00f4nio Eduardo; Santagneli, Silvia Helena; Nalin, Marcelo", "title": "Glass formation in the Sb2O3-SbPO4-WO3 system", "date": "2017", "keywords": "figure; glass; glasses; samples; sb2o3; sbpo4; wo3", "summary": "The melts were cast and glass samples were obtained upon cooling. b) Evolution of Tg and Tx-Tg for (Sb2O3)(0.6+x)(SbPO4)(0.4)(WO3)(x) glass samples.", "mime": "application/pdf"}, {"id": "ecletica-748", "words": "257", "extension": ".pdf", "flesch": "19", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial Board", "date": "2018", "keywords": "brazil; prof", "summary": "Prof. Arnaldo Alves Cardoso, Institute of Chemistry Unesp Araraquara, Brazil Prof. Antonio Eduardo Mauro, Institute of Chemistry Unesp Araraquara, Brazil Prof. Maysa Furlan, Institute of Chemistry Unesp Araraquara, Brazil Prof. Maria C\u00e9lia Bertolini, Institute of Chemistry Unesp Araraquara, Brazil Prof. Paulo Clairmont Feitosa de Lima Gomes, Institute of Chemistry, Unesp Araraquara, Brazil Editorial Board Prof. Jairton Dupont, Instituto de Qu\u00edmica, Universidade Federal do Rio Grande do Sul, UFRGS, RS, Brazil Prof. Enric Brillas, Facultat de Qu\u00edmica, Universitat de Barcelona, Spain Prof. Ver\u00f3nica Cort\u00e9s de Zea Bermudez, Escola de Ci\u00eancias da Vida e do Ambiente,Universidade de Tr\u00e1s-os-Montes e Alto Douro, Vila Real, Portugal Prof. Lauro Kubota, Instituto de Qu\u00edmica, Universidade Estadual de Campinas, Unicamp, SP, Brazil Prof. Ivano Gerardt Rolf Gutz, Instituto de Qu\u00edmica, Universidade de S\u00e3o Paulo, USP, SP, Brazil Prof. Jos\u00e9 Ant\u00f4nio Maia Rodrigues, Faculdade de Ci\u00eancias, Universidade do Porto, Portugal Prof. Bayardo Baptista Torres, Instituto de Qu\u00edmica, Universidade de S\u00e3o Paulo, USP, SP, Brazil Technical Staff Gustavo Marcelino de Souza Lucas Henrique de Carvalho Machado Ecl\u00e9tica Qu\u00edmica Journal 2018 http://revista.iq.unesp.br/ojs/index.php/ecletica/index", "mime": "application/pdf"}, {"id": "ecletica-749", "words": "330", "extension": ".pdf", "flesch": "37", "author": "Pereira Felix, Erika; Caroline Schnitzler, Danielle", "title": "Editorial", "date": "2018", "keywords": "chemistry", "summary": "| Vol. 43 | special issue | 2018 | Editorial VIII Brazilian Meeting of Environmental Chemistry (ENQAmb) The Brazilian Meeting of Environmental Chemistry (ENQAmb) has been consolidated as a biannual event and it is the main national forum for scientific and academic discussions focused on the relationship between chemistry and environment.", "mime": "application/pdf"}, {"id": "ecletica-75", "words": "4239", "extension": ".pdf", "flesch": "31", "author": "de Souza, Jo\u00e3o Carlos; Toci, Aline Theodoro; Beluomini, Ma\u00edsa Azevedo; Eiras, Sebasti\u00e3o de Paula", "title": "Determination of copper in sugarcane spirit by flame atomic absorption spectrometry using a ternary solvent mixture (water-ethanol-acetone)", "date": "2018", "keywords": "copper; method; phase; solvents; spirit; sugarcane", "summary": "The accuracy of the single phase solution method was also satisfactory, with errors below 2.0% for copper concentrations between 1.00 and 5.00 mg L -1 . [11] Miranda, K., Dion\u00edsio, A. G. G., Pereira-Filho, E. R., Copper determination in sugar cane spirits by fast sequential flame atomic absorption spectrometry using internal standardization, Microchem.", "mime": "application/pdf"}, {"id": "ecletica-750", "words": "131", "extension": ".pdf", "flesch": "14", "author": "Vicente Benedetti, Assis", "title": "Editor's note", "date": "2018", "keywords": "editor", "summary": "The readers can see the papers cover the Environmental Chemistry area, in line with the editorial profile of EQJ, with the following subjects: salting-out assisted liquid-liquid extraction method; micropollutants in surface waters; removal of toxic metal ions from water; interaction of nanoparticles with metals in the presence of humic substances; total and labile metals in surface sediments; degradation of dye effluent by photo-Fenton process and determination of lead in stools of animals. Editor\u2019s note iq.unesp.br/ecletica | Vol. 43 | special issue | 2018 | Editor\u2019s note The articles published in this special issue went through all the standard procedures used by the Ecl\u00e9tica Qu\u00edmica Journal and fulfilled all the qualitative requirements of selection, peer review and editing.", "mime": "application/pdf"}, {"id": "ecletica-751", "words": "1784", "extension": ".pdf", "flesch": "49", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Authors Guidelines", "date": "2018", "keywords": "authors; eclet; manuscript; quim", "summary": "| Vol. 43 | special issue | 2018 | Instructions for Authors Preparation of manuscripts \u2022 Only manuscripts in English will be accepted. \u2022 Figures, schemes, and photos already published by the same or different authors in other publications may be reproduced in manuscripts of Eclet.", "mime": "application/pdf"}, {"id": "ecletica-752", "words": "291", "extension": ".pdf", "flesch": "-11", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Summary", "date": "2018", "keywords": "oliveira", "summary": "Lopes Ribeiro de Queiroz, Andr\u00e9 Fernando de Oliveira, Lucas Henrique Figueiredo Prates, Elisa Helena da Costa Morais Pharmaceuticals and personal care products as emerging micropollutants in Brazilian surface waters: a preliminary snapshot on environmental contamination and risks\u2026\u2026\u2026\u2026\u2026\u2026\u2026....................22 Fernando Fabriz Sodr\u00e9, Priscila Mendon\u00e7a Dutra, Viviane Portela dos Santos Use of vermicompost for the removal of toxic metal ions of synthetic aqueous solutions and real wastewater............................................................................................................................ ...................... 35 Luane Patricia Guedes Barbosa, T\u00e1cila Oliveira Pinto de Freitas, Madson de Godoi Pereira Influence of the diameter of nanoparticles in complexes metalaquatic humic substances \u2026\u2026.........44 Daniele Frasson Vieira, Nicolas Henrique Furquim, Wander Gustavo Botero, Luciana Camargo de Oliveira, Danielle Goveia Evaluation of pseudo-total and labile metals (Cu2+, Cr3+, Ni2+, Mn2+, Pb2+ and Zn2+) in surface sediments at the mouth of tributaries of the Itaipu Reservoir, Brazil \u2026\u2026\u2026..........................................51 Ismael Laurindo Costa Junior, Thiara Reis Lopes, Bruna Ataide Barros Fonseca, Mariane Butik, Juliana Bortoli Rodrigues Mees, Adelmo Lowe Pletsch, Yohandra Reyes Torres Discoloration of red 5B and reactive blue 5G dyes in synthetic textile dye effluent by photo-Fenton process\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u202662 Leandro Finger; Ismael Laurindo Costa Junior; Poliana Paula Quitaiski; Juliana Bortoli Rodrigues Mees Determination of lead (Pb) in feces of Lontra longicaudis (Olfers, 1818) by flame atomic absorption spectrometry (F AAS)\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026.\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026.\u2026\u202670 Nubya Gon\u00e7alves Cavallini, Rodrigo Arantes Reis, Juliana Quadros, Andrea Oliveira, Mariana Gallucci Naz\u00e1rio, Liliani Marilia Tiepolo http://revista.iq.unesp.br/ojs/index.php/ecletica/index", "mime": "application/pdf"}, {"id": "ecletica-76", "words": "3618", "extension": ".pdf", "flesch": "55", "author": "Nogueira, Fernanda da Silva; Mimura, Aparecida Maria Sim\u00f5es; da Silva, J\u00falio C\u00e9sar Jos\u00e9; de Sousa, Rafael Arromba", "title": "Potencialidade de uso da resina AMBERLITE IR 120 no tratamento de res\u00edduos qu\u00edmicos contendo esp\u00e9cies i\u00f4nicas com Cr2O72-, Fe3+ E MnO4-", "date": "2016", "keywords": "amberlite; cati\u00f4nica; com; dos; esp\u00e9cies; foi; foram; para; por; que; remo\u00e7\u00e3o; resina; res\u00edduo; uma; \u00edons", "summary": "Dessa forma, nos testes posteriores optou-se por usar 2,0 gramas de resina cati\u00f4nica para garantir a robustez do m\u00e9todo de Ecl\u00e9tica Qu\u00edmica, 39, 12-21, 2014. As amostras do res\u00edduo tratado foram analisadas por F AAS a fim de se calcular a porcentagem de remo\u00e7\u00e3o dos metais e encontrar a rela\u00e7\u00e3o mais adequada entre res\u00edduo e resina.", "mime": "application/pdf"}, {"id": "ecletica-77", "words": "4750", "extension": ".pdf", "flesch": "64", "author": "da Silva, J\u00falio C\u00e9sar Jos\u00e9; Matos, Judith Maria; Campos Divino, Alex; Polidoro Ferreira, Taimara; Sampaio Teixeira Ciminelli, Virginia", "title": "Determina\u00e7\u00e3o de metais pesados em amostras de sedimentos superficiais da bacia do rio S\u00e3o Francisco por espectrometria de massas com fonte de plasma acoplada indutivamente ap\u00f3s decomposi\u00e7\u00e3o \u00e1cida assistida por radia\u00e7\u00e3o micro-ondas", "date": "2016", "keywords": "amostras; com; das; dos; foi; foram; francisco; minas; n\u00edvel; para; por; que; qu\u00edmica; rio; sedimentos; s\u00e3o; tabela; uma; valores", "summary": "As esta\u00e7\u00f5es de amostragem foram definidas a partir da avalia\u00e7\u00e3o cr\u00edtica de s\u00e9ries hist\u00f3ricas do projeto \u00c1guas de Minas, onde foram identificadas \u00e1reas sens\u00edveis e cr\u00edticas com rela\u00e7\u00e3o \u00e0 contamina\u00e7\u00e3o de amostras de \u00e1gua por esp\u00e9cies met\u00e1licas, especialmente relacionadas \u00e0s atividades minero- metal\u00fargicas Observa-se nos sedimentos dos leitos do rio e c\u00f3rregos a presen\u00e7a de diversos metais provenientes do processo de produ\u00e7\u00e3o de zinco:", "mime": "application/pdf"}, {"id": "ecletica-78", "words": "3532", "extension": ".pdf", "flesch": "64", "author": "Gar\u00e7\u00e3o de Carvalho, Carlos Eduardo; Consolin-Filho, Nelson; Regiani, Anelise Maria; Sartori, Rogerio Antonio; Duarte de Farias, Andr\u00e9a Maria; Sim\u00f5es Cadaxo Sobrinho, Edilson; Pizarro Borges, Luiz Eduardo; de Ara\u00fajo Gonzalez, Wilma", "title": "Evaluation of the Na/Nb2O5 system in the transesterification of soybean oil for biodiesel production", "date": "2016", "keywords": "biodiesel; catalysts; cm-1; ecl\u00e9tica; niobium; oil; qu\u00edmica; reaction; region", "summary": "[23] H. J. Kim, B. S. Kang, M. J. Kim, Y. M. Park, D. K. Kim, J. S. Lee, K. Y. Lee, Catal. [6] C. C. Enweremadu, M. M. Mbarawa, Renewable and Sustainable Energy Reviews 13 (2009) 2205.", "mime": "application/pdf"}, {"id": "ecletica-79", "words": "5222", "extension": ".pdf", "flesch": "63", "author": "de Souza, Let\u00edcia Lopes; Forbicini, Christina Aparecida Le\u00e3o Guedes de Oliveira", "title": "Uso da voltametria c\u00edclica e da espectroscopia de imped\u00e2ncia eletroqu\u00edmica na determina\u00e7\u00e3o da \u00e1rea superficial ativa de eletrodos modificados \u00e0 base de carbono", "date": "2016", "keywords": "capacit\u00e2ncia; carbono; com; como; determina\u00e7\u00e3o; ecl\u00e9tica; eletrodos; imped\u00e2ncia; para; por; que; qu\u00edmica; superficial; superf\u00edcie; uma; valores; varredura; v\u00edtreo; \u00e1rea", "summary": "O conhecimento desta superf\u00edcie ativa total \u00e9 importante na determina\u00e7\u00e3o das condi\u00e7\u00f5es de opera\u00e7\u00e3o de uma c\u00e9lula eletroqu\u00edmica no que diz respeito \u00e0s correntes a serem aplicadas (densidade de corrente). de Bode mostrados na FIG.9 indica que o comportamento das condutividades dos eletrodos \u00e9 de natureza distinta, com predomin\u00e2ncia para o ETI-1, ETI-3 e ETI-4 que apresentam os valores mais baixos de imped\u00e2ncia, mantendo-a praticamente constante at\u00e9 a faixa mais alta de frequ\u00eancia de 102,5 s-1 a 104 s-1.", "mime": "application/pdf"}, {"id": "ecletica-80", "words": "3116", "extension": ".pdf", "flesch": "60", "author": "Mior, Renata; Nunes Bianchin, Joyce; Martendal, Edmar; Carasek, Eduardo", "title": "Desenvolvimento de metodologia em sistema em fluxo para determina\u00e7\u00e3o de Cd usando erva mate e ch\u00e1 preto como adsorvente e espectrometria de absor\u00e7\u00e3o at\u00f4mica em chama", "date": "2016", "keywords": "amostra; ch\u00e1; com; como; concentra\u00e7\u00e3o; erva; foi; foram; l-1; mate; para; preto; qu\u00edmica; sistema; uma", "summary": "Os dois biossorventes propostos nesse trabalho se mostraram muito eficientes na reten\u00e7\u00e3o de c\u00e1dmio tanto de amostras de \u00e1gua quanto de dois materiais biol\u00f3gicos certificados digeridos. O sistema de an\u00e1lise \u00e9 composto de uma bomba perist\u00e1ltica, quatro v\u00e1lvulas solen\u00f3ides de tr\u00eas vias e uma mini-coluna de TeflonP\u00ae, recheada com uma determinada massa do material adsorvente, que foi acoplada ao espectr\u00f4metro de absor\u00e7\u00e3o at\u00f4mica em chama.", "mime": "application/pdf"}, {"id": "ecletica-81", "words": "3523", "extension": ".pdf", "flesch": "56", "author": "Camargo, Rubia de Pina Luchetti; da Costa, Orlene Silva; Fernandes, \u00cdtalo Lacerda; G\u00f3is, Patr\u00edcia Freitas; da Silva, Renato C\u00e2ndido; Santos, Gustavo Amorim", "title": "Caracteriza\u00e7\u00e3o f\u00edsico-qu\u00edmica e bacteriol\u00f3gica dos res\u00edduos de ETA: a import\u00e2ncia do seu estudo", "date": "2016", "keywords": "bruta; caracteriza\u00e7\u00e3o; dos; eta; lavagem; lodo; mg.l-1; para; que; qu\u00edmica; res\u00edduos; s\u00f3lidos; tratamento; turbidez; uma; \u00e1gua", "summary": "Em rela\u00e7\u00e3o ao lodo dos decantadores, a viabilidade de sua destina\u00e7\u00e3o final ser um corpo receptor est\u00e1 completamente descartada, uma vez que, verificou-se que os par\u00e2metros: s\u00f3lidos sediment\u00e1veis (410,0 \u2013 980,0 mg.L-1), ferro (175,0 \u2013 1.167,0 mg.L-1) e mangan\u00eas (0,1 \u2013 43,0 mg.L-1) est\u00e3o em descorda com os padr\u00f5es de lan\u00e7amento de efluentes dispostos pela Resolu\u00e7\u00e3o Conama no 357, necessitando de tratamento antes da disposi\u00e7\u00e3o final. Resolu\u00e7\u00e3o n\u00ba 357 / 2005 do CONAMA Conclus\u00f5es A primeira caracteriza\u00e7\u00e3o f\u00edsico-qu\u00edmica e bacteriol\u00f3gica dos res\u00edduos; lodo dos decantadores e \u00e1gua de lavagem de filtros, gerados na ETA de An\u00e1polis-GO apontou a necessidade de tratamento adequado desses res\u00edduos.", "mime": "application/pdf"}, {"id": "ecletica-82", "words": "3395", "extension": ".pdf", "flesch": "52", "author": "Marciano Martinez, Maria Elisa; Carvalho dos Reis, Patr\u00edcia; Alves Santos, Douglas; Schmidell Netto, Willibaldo", "title": "Estudo da fermenta\u00e7\u00e3o submersa n\u00e3o aerada por Saccharomyces cerevisiae para determina\u00e7\u00e3o dos par\u00e2metros de consumo de glicose e produ\u00e7\u00e3o de glicerol e etanol", "date": "2016", "keywords": "celular; com; concentra\u00e7\u00e3o; consumo; crescimento; etanol; foi; glicerol; glicose; para; produ\u00e7\u00e3o; qu\u00edmica; valores", "summary": "100 0 5 10 15 20 25 30 35 40 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 pH E m e G m ( g /L ) 0 1 2 3 4 5 6 7 8 9 10 X f( g /L ) etanol glicerol c\u00e9lulas Figura 2: Concentra\u00e7\u00f5es m\u00e1ximas obtidas de c\u00e9lulas (Xf), etanol (Em) e glicerol (Gm) em fun\u00e7\u00e3o dos valores de pH A partir dos dados da Figura 1 foram calculadas as velocidades especificas de crescimento celular (\uf06dX), consumo de glicose experimental (\uf06dS), forma\u00e7\u00e3o de etanol (\uf06dE) e glicerol (\uf06dG) permitindo, assim, obter os valores do fator convers\u00e3o verdadeiro (YG), velocidade espec\u00edfica de consumo de glicose para manuten\u00e7\u00e3o (ms), fatores de produ\u00e7\u00e3o associados (\uf061) e n\u00e3o associados (\uf062) ao crescimento, respectivamente, para o glicerol e etanol. \uf062\uf06d\uf061\uf06d +\uf0d7=P Equa\u00e7\u00e3o 2 Neste trabalho foi realizado um estudo da fermenta\u00e7\u00e3o submersa n\u00e3o aerada por Saccharomyces cerevisiae, avaliando a influ\u00eancia do pH nos coeficientes: (I) da equa\u00e7\u00e3o de Pirt: fator convers\u00e3o verdadeiro (YG) e velocidade espec\u00edfica de consumo de glicose para manuten\u00e7\u00e3o (ms); e, (II) do modelo de Garden: fatores de produ\u00e7\u00e3o associados (\uf061) e n\u00e3o associados (\uf062)", "mime": "application/pdf"}, {"id": "ecletica-84", "words": "4491", "extension": ".pdf", "flesch": "56", "author": "Nascimento, Luciano; Lucena Agostinho, Lourdes Cristina; Cavalcanti, Bernadete Feitosa", "title": "Estudo da mitiga\u00e7\u00e3o da eutrofiza\u00e7\u00e3o do a\u00e7ude velho pela eletr\u00f3lise", "date": "2016", "keywords": "alcalinidade; alum\u00ednio; a\u00e7ude; com; como; c\u00e1lcio; das; ecl\u00e9tica; eletr\u00f3lise; foi; foram; para; par\u00e2metros; por; processo; que; qu\u00edmica; remo\u00e7\u00e3o; uma; velho; \u00e1gua", "summary": "Planta do A\u00e7ude Velho indicando os oito (08) pontos de amostragem e forma\u00e7\u00e3o de \u201cseiches\u201d ou ondas de circula\u00e7\u00e3o de \u00e1gua. Na Zona do Agreste da Para\u00edba a varia\u00e7\u00e3o no volume de \u00e1gua de a\u00e7udes \u00e9 maior na \u00e9poca de estiagem quando ocorrem os problemas de eutrofiza\u00e7\u00e3o de suas \u00e1guas.", "mime": "application/pdf"}, {"id": "ecletica-85", "words": "4732", "extension": ".pdf", "flesch": "58", "author": "Barbosa, Sandro Luiz; Miranda, Savio Eduardo Oliveira; Barbosa, Bruna Kaicy; Ottone, Myrlene; klein, Stanlei Ivair; Baroni, Adriano Cesar Morais; Hurtado, Gabriela Ramos", "title": "Biodiesel from waste cooking oil: sodium carbonate modified sand as filter, TLC and the unmodified domestic microwave oven approach", "date": "2016", "keywords": "acid; biodiesel; catalyst; fuel; gel; oil; process; qu\u00edmica; reaction; silica; technol; transesterification; wco", "summary": "While those new approaches are being developed to deal with the FFA content of WCO, authors are still trying to find the optimum conditions for the large scale production of WCO biodiesel from base catalysis, with samples collected from city restaurants [30-35]. The filtrate is a WCO free from water, glycerin and FFAs, and therefore, ready to be used in base catalyzed transesterification reactions.", "mime": "application/pdf"}, {"id": "ecletica-86", "words": "1706", "extension": ".pdf", "flesch": "61", "author": "Milagres, K\u00e1tia Isabel; Rodrigues Amaral, Camila; Santos, \u00c9rica Marques da Silva; B. Marques, Tarc\u00edsio; Gomes, Guilherme de Oliveira", "title": "Implementation of a spectrophotometer teaching and low cost: application in physics and chemistry laboratories fafism", "date": "2016", "keywords": "ecl\u00e9tica; foi; fot\u00f4metro; intensidade; para; qu\u00edmica; uma", "summary": "Diante disto \u00e9 fundamental que estudantes de F\u00edsica e Qu\u00edmica possuam conhecimento sobre esta t\u00e9cnica. Para avaliar o desempenho do fot\u00f4metro proposto, realizaram-se as an\u00e1lises e o aparato experimental forneceu medidas de absor\u00e7\u00e3o em comprimento de onda no campo visual para as duas solu\u00e7\u00f5es distintas de Permanganato de Pot\u00e1ssio (KMnO4) e Sulfato de Cobre (CuSO4), ambos nas concentra\u00e7\u00f5es 0,5; 1,0; 1,5; 2,0; 2,5x10-4 (M).", "mime": "application/pdf"}, {"id": "ecletica-87", "words": "3034", "extension": ".pdf", "flesch": "58", "author": "Azevedo, Adriano Galv\u00e3o de Souza; Strecker, Kurt", "title": "Avalia\u00e7\u00e3o da influ\u00eancia da raz\u00e3o Ca/P nos valores de cristalinidade e crescimento de cristalitos durante a sinteriza\u00e7\u00e3o de p\u00f3s de hidroxiapatita", "date": "2016", "keywords": "amostras; aumento; com; das; dos; foram; hap; hidroxiapatita; por; p\u00f3s; que", "summary": "O aumento da decomposi\u00e7\u00e3o dos cristais de HAp Sua utiliza\u00e7\u00e3o vai muito al\u00e9m das \u00e1reas m\u00e9dicas, sendo esse mineral Ecl\u00e9tica Qu\u00edmica, 39, 141-150, 2014. 142 muito utilizado como remediador ambiental em processos de adsor\u00e7\u00e3o de metais pesados", "mime": "application/pdf"}, {"id": "ecletica-870", "words": "5361", "extension": ".pdf", "flesch": "58", "author": "Mosa'd Jamil, Yasmin; Ali Al-Maqtari, Maher; Mohammed Al-Azab, Fathi; Kassem Al-Qadasy, Mohammed; A. Al-Gaadbi, Amani", "title": "Synthesis, Characterization and Comparative Thermal degradation study of Co(II), Ni(\u0399\u0399) and Cu(II) complexes with Asparagine and Urea as mixed ligands", "date": "2018", "keywords": "asparagine; calc; cm-1; complexes; figure; journal; metal; mol-1; urea", "summary": "activity3- 5. Mixed ligand complexes containing amino acid as co-ligand are potential biomimetic models for metal-protein interaction6. 2.3 Synthesis of mixed ligand complexes Generally, the solid complexes were prepared by adding dropwise an ethanolic solution of hydrated metal(II) chlorides (0.01 mol) to an ethanolic solution of urea (0.01 mol) with stirring.", "mime": "application/pdf"}, {"id": "ecletica-88", "words": "3188", "extension": ".pdf", "flesch": "60", "author": "do Nascimento, J\u00e9ssica Mesquita; de Oliveira, Jorge Diniz", "title": "Biossor\u00e7\u00e3o de metais potencialmente t\u00f3xicos (Cd2+, Pb2+ E Cr3+) em biomassa seca de Pycnoporus sanguineus", "date": "2016", "keywords": "adsor\u00e7\u00e3o; biomassa; biossor\u00e7\u00e3o; cd2; com; cr3; estudo; isoterma; langmuir; para; pb2; que; qu\u00edmica; remo\u00e7\u00e3o; uma", "summary": "Adsor\u00e7\u00e3o de As, Cu, Pb e Cr na avalia\u00e7\u00e3o da capacidade de fixa\u00e7\u00e3o de metais por res\u00edduo de mineradoras de ferro. os valores de RL podem ser observados na (Tabela 1), evidencia-se que para o modelo de Langmuir a biomassa obteve o par\u00e2metro RL na faixa de (0 < RL < 1) sendo, portanto uma adsor\u00e7\u00e3o favor\u00e1vel.", "mime": "application/pdf"}, {"id": "ecletica-89", "words": "3081", "extension": ".pdf", "flesch": "54", "author": "Fernandes, Iara Jana\u00edna; Gon\u00e7alves Kieling, Amanda; Avila de Campos Rocha, Tatiana Louise; Andrade Brehm, Feliciane; Mendes Moraes, Carlos Alberto", "title": "Produ\u00e7\u00e3o e avalia\u00e7\u00e3o de microc\u00e1psulas de alginato contendo \u00f3leo essencial de casca de laranja", "date": "2016", "keywords": "alginato; com; como; das; essencial; foi; laranja; microc\u00e1psulas; para; pode; por; que; qu\u00edmica; ser; \u00f3leo; \u00f3leo essencial", "summary": "Est\u00e1 an\u00e1lise foi executada para os dois lotes de microc\u00e1psulas 15%, para a amostra controle, sem o \u00f3leo essencial e para uma amostra de \u00f3leo essencial puro. A perda total de massa foi cerca de 70%.", "mime": "application/pdf"}, {"id": "ecletica-90", "words": "4681", "extension": ".pdf", "flesch": "57", "author": "Rocha de Souza Drumond, Adriana; L\u00e1zaro Reis, Efraim; Vasconcelos Rabelo Veado, Maria Adelaide; Quint\u00e3o Moreira, Jos\u00e9 M\u00e1rcio", "title": "Utiliza\u00e7\u00e3o de mapas auto-organiz\u00e1veis para verifica\u00e7\u00e3o da distribui\u00e7\u00e3o de metais na atmosfera de Ipatinga, Minas Gerais, atrav\u00e9s de biomonitoramento com Sphagnum capillifolium", "date": "2016", "keywords": "19\u00ba; 42\u00ba; amostras; bag; biomonitoramento; com; como; das; dos; ecl\u00e9tica; figura; foi; ipatinga; metais; moss; nos; para; per\u00edodo; que; qu\u00edmica; sphagnum; s\u00e3o; uma", "summary": "Foi utilizada a ferramenta computacional Redes de Kohonen ou Mapas Auto Organiz\u00e1veis para verificar as similaridades e diferen\u00e7as de amostras e vari\u00e1veis. 179 Para o biomonitoramento moss bag foram escolhidos 15 pontos de amostragens levando-se em considera\u00e7\u00e3o as fontes de emiss\u00e3o de poluentes veiculares e industriais, atrav\u00e9s do Invent\u00e1rio de Emiss\u00f5es Atmosf\u00e9ricas da Usina Sider\u00fargica de Minas Gerais (USIMINAS).", "mime": "application/pdf"}, {"id": "ecletica-91", "words": "3692", "extension": ".pdf", "flesch": "60", "author": "Ortiz Lace, Valter; Matos Fraga, Isabel; Castrillon Fernandez, Jos\u00e9 Ricardo; Gon\u00e7alves, Cl\u00e1udia Roberta", "title": "Obten\u00e7\u00e3o do biodiesel met\u00edlico atrav\u00e9s da transesterifica\u00e7\u00e3o via cat\u00e1lise b\u00e1sica do \u00f3leo de coco-da-ba\u00eda (Cocos nucifera L)", "date": "2016", "keywords": "acidez; biodiesel; coco; como; dos; foi; glicerina; para; pode; produ\u00e7\u00e3o; que; qu\u00edmica; rea\u00e7\u00e3o; ser; transesterifica\u00e7\u00e3o; uma; valor; \u00f3leo", "summary": "Albuquerque (2006) obteve biodiesel met\u00edlico de \u00f3leo de canola e encontrou a acidez de 0,55 mg KOH/g [15]. Marques e colaboradores (2010) avaliaram o teor de \u00e9steres graxos em biodiesel met\u00edlico de \u00f3leo de soja e encontraram um valor de 92,5% [18].", "mime": "application/pdf"}, {"id": "ecletica-915", "words": "4600", "extension": ".pdf", "flesch": "44", "author": "Al-Maqtari, Maher Ali; Kassem Al-Qadasy, Mohammed; Mosa'd Jamil, Yasmin; Mohammed Al-Azab, Fathi; A. Al-Gaadbi, Amani", "title": "Physicochemical and biological activity studies on complexes of some transition elements with mixed ligands of glycine and urea", "date": "2018", "keywords": "amino; cm-1; complexes; glycine; https://doi.org/10.1080/00958970600572743; https://doi.org/10.1080/15533174.2015.1137057; journal; metal; spectra; urea", "summary": "IR spectrum of [Cu(ur)(gly)(H2O)2]Cl complex. [Co(ur)(gly)(H2O)2]Cl, [Ni(ur)(gly)(H2O)2]Cl and [Cu(ur)(gly)(H2O)2]Cl complexes show signals in the range 5.4-7.2 ppm attributed to the amide group of urea19, 20.", "mime": "application/pdf"}, {"id": "ecletica-917", "words": "266", "extension": ".pdf", "flesch": "26", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial Board", "date": "2018", "keywords": "brazil; prof", "summary": "Sul, UFRGS, RS, Brazil Prof. Enric Brillas, Facultat de Qu\u00edmica, Universitat de Barcelona, Spain Prof. Ver\u00f3nica Cort\u00e9s de Zea Bermudez, Escola de Ci\u00eancias da Vida e do Ambiente,Universidade de Tr\u00e1s- os-Montes e Alto Douro, Vila Real, Portugal Prof. Lauro Kubota, Instituto de Qu\u00edmica, Universidade Estadual de Campinas, Unicamp, SP, Brazil Prof. Ivano Gerardt Rolf Gutz, Instituto de Qu\u00edmica, Universidade de S\u00e3o Paulo, USP, SP, Brazil Prof. Jos\u00e9 Ant\u00f4nio Maia Rodrigues, Faculdade de Ci\u00eancias, Universidade do Porto, Portugal Prof. Bayardo Baptista Torres, Instituto de Qu\u00edmica, Universidade de S\u00e3o Paulo, USP, SP, Brazil Technical Staff Gustavo Marcelino de Souza Lucas Henrique de Carvalho Machado Ecl\u00e9tica Qu\u00edmica Journal 2018 http://revista.iq.unesp.br/ojs/index.php/ecletica/index", "mime": "application/pdf"}, {"id": "ecletica-919", "words": "1781", "extension": ".pdf", "flesch": "49", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Author guidelines", "date": "2018", "keywords": "authors; eclet; manuscript; quim", "summary": "| 2018 | Instructions for Authors Preparation of manuscripts \u2022 Only manuscripts in English will be accepted. \u2022 Figures, schemes, and photos already published by the same or different authors in other publications may be reproduced in manuscripts of Eclet.", "mime": "application/pdf"}, {"id": "ecletica-92", "words": "4403", "extension": ".pdf", "flesch": "60", "author": "Souza, Vin\u00edcius Heidemann; Pacheco, Sabrina Moro Villela; Cruz J\u00fanior, Am\u00e9rico; Furigo J\u00fanior, Agenor", "title": "Estudo da produ\u00e7\u00e3o enzim\u00e1tica de biodiesel a partir de \u00f3leo residual", "date": "2016", "keywords": "biodiesel; com; ecl\u00e9tica; enzima; foi; foram; novozym; para; percentual; por; produ\u00e7\u00e3o; que; qu\u00edmica; rea\u00e7\u00e3o; rea\u00e7\u00f5es; resultados; ser; tabela; \u00e9steres; \u00f3leo", "summary": "Vari\u00e1veis e seus valores codificados para o planejamento fatorial completo (23) e resultados para os percentuais de convers\u00e3o de \u00e9steres ap\u00f3s 12, 24 e 48 h de rea\u00e7\u00e3o. ao m\u00e1ximo n\u00famero de moles de \u00e9steres que podem ser obtidos na rea\u00e7\u00e3o (mol/L) e", "mime": "application/pdf"}, {"id": "ecletica-920", "words": "258", "extension": ".pdf", "flesch": "2", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Summary", "date": "2018", "keywords": "oliveira; study", "summary": "| 2018 | SUMMARY EDITORIAL BOARD........................................................................................................................................3 EDITORIAL\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026..........................................................................................4 INSTRUCTIONS FOR AUTHORS....................................................................................................................5 ORIGINAL ARTICLES A comparative study of Schiff base chelating resins: synthesis, uptake of heavy metal ions, and thermal studies..................\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026.........................................................................10 Fatma A. Al-Yusufy, Mohammed Q. Al-Qadasy, Yasmin M. S. Jamil, Hussein M. Al-Maydama, Moathe M. Akeel Study of the stratification process at the reservoir of the hydroelectric power plant Gov. Pedro Viriato Parigot de Souza (Capivari-Cachoeira), Paran\u00e1, Brazil............................................................................23 Sarah Meier Lopes, Nicole Machuca Brassac de Arruda, Thomaz Aur\u00e9lio Pagioro Incorporation of CdFe2O4-SiO2 nanoparticles in SbPO4-ZnO-PbO glasses by melt-quenching process ....................................................................................................................................................................32 Juliane Resges Orives, Wesley R. Viali, Marina Magnani, Marcelo Nalin Ecotoxicity of Malathion\u00ae 500 CE before and after UVC radiation and UV/H2O2 treatment..............44 Eliane Adams, Vinicius de Carvalho Soares de Paula, Rhaissa Dayane Carneiro, Rubia Matos de Lima, Monike Felipe Gomes, Wanessa Algarte Ramsdorf, Adriane Martins de Freitas Evaluation of the water quality of the Verde River, Ponta Grossa, PR: a study on the conditions of aquatic life maintenance and the eutrophication process...................................................................... 51 Karine Andr\u00e9a Costa, Elizabeth Weinhardt Oliveira Scheffer, Patr\u00edcia Los Weinert, Estevan Luis Silveira Spatial distribution of atmospheric pollutants through biomonitoring in tree bark using X-Ray fluorescence..........................................................................\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026.\u2026\u202659 Bruno Martins Gurgatz, Regiani Carvalho-Oliveira, Gisele Antoniaconi, Paulo Hil\u00e1rio do Nascimento Saldiva, Luciano Fernandes Huergo, Rodrigo Arantes Reis Removal of pesticide residues after simulated water treatment: by-products and acetylcholinesterase inhibition...........................................................................................................\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026.\u2026\u202665 Rafael Oliveira Costa, Polyana Soares Barcellos, Maria Cristina Canela http://revista.iq.unesp.br/ojs/index.php/ecletica/index", "mime": "application/pdf"}, {"id": "ecletica-923", "words": "4103", "extension": ".pdf", "flesch": "43", "author": "Vilas\u00f3 Cadre, Javier Ernesto; C\u00e9spedes Mart\u00ednez, Alejandro; Arada P\u00e9rez, Mar\u00eda de los \u00c1ngeles; Baeza Reyes, Jos\u00e9 Alejandro", "title": "Voltammetric method for the quantification of cadmium using non-commercial electrodes and minimal instrumentation", "date": "2019", "keywords": "cadmium; concentration; current; electrode; instrumentation; l-1; method; mol; quantification", "summary": "Study of conditions for the voltammetric method for cadmium quantification Supporting electrolyte concentration and pH were studied for the voltammetric determination of cadmium. Circuit scheme for the voltammetric method for cadmium quantification using minimal instrumentation17.", "mime": "application/pdf"}, {"id": "ecletica-926", "words": "4864", "extension": ".pdf", "flesch": "32", "author": "Saito, Gustavo Pereira; Bizari, Mariana; Cebim, Marco Aur\u00e9lio; Correa, Marcos Antonio; Jafelicci Junior, Miguel; Davolos, Marian Rosaly", "title": "Study of the colloidal stability and optical properties of sunscreen creams", "date": "2019", "keywords": "colloidal; filters; formulations; ingredients; stability; sunscreen; sunscreen formulations; temperature; viscosity; zno", "summary": "Thus, this work aims to investigate the colloidal stability and mechanical properties of sunscreen formulations containing different and/or mixture of organic and inorganic filters using the viscosity measurements as parameter to evaluate the surface interactions between sunscreen ingredients. Ingredients Sunscreen formulations/% U1 U2 U3 Z1 Z2 Z3 UZ UZ1 UZ2 Oil phase ingredients 15.00 15.00 15.00 15.00 15.00 15.00 15.00 15.00 15.00 Uvinul\u00ae A Plus 5.00 2.50 1.00 - - - 10.00 5.00 1.00 ZnO - - - 10.00 5.00 1.00 1.00 1.00 1.00 Aqueous phase ingredients 4.25 4.25 4.25 4.25 4.25 4.25 4.25 4.25 4.25 Water 75.75 78.25 79.75 70.75 75.75 79.75 69.75 74.75 78.75 2.2 Characterization techniques The viscosity curves of sunscreen formulations were collected on a Brookfield rotational viscometer, model LVDV-E, equipped with a temperature control system (28-60 \u00b0C temperature range) using a cylindrical sample holder and No. 63 spindle (11 mm spindle diameter).", "mime": "application/pdf"}, {"id": "ecletica-93", "words": "4318", "extension": ".pdf", "flesch": "60", "author": "Janda Ferreira Sudre, Kiara; Correa Mouzinho Santos, Angela Maria; de Maria Oliveira Moreira, Lucy Rose", "title": "Avaliar a composi\u00e7\u00e3o qu\u00edmica do mesocarpo de baba\u00e7u (Orbignya oleifera) in natura no munic\u00edpio Raposa-MA", "date": "2016", "keywords": "baba\u00e7u; com; como; das; dos; ecl\u00e9tica; iodo; maranh\u00e3o; merc\u00fario; mesocarpo; metais; oleifera; orbignya; palmeira; para; plantas; por; pot\u00e1ssio; que; qu\u00edmica; regi\u00e3o; ser; s\u00e3o; tem; uma", "summary": "Para quebrar os cocos, os trabalhadores se sentam prendendo o cabo do machado abaixo de uma de suas pernas e seguram o coco inteiro com uma das m\u00e3os acima da l\u00e2mina O chumbo, o merc\u00fario e o cadmio s\u00e3o os metais pesados que atrav\u00e9s dos alimentos, incluindo a agua de consumo, mais tem contribu\u00eddo para os casos de intoxica\u00e7\u00e3o prolongada ou cr\u00f4nica [21,23].", "mime": "application/pdf"}, {"id": "ecletica-94", "words": "5526", "extension": ".pdf", "flesch": "62", "author": "Veit, M\u00e1rcia Teresinha; Bedin, Sidmara; Gon\u00e7alves, Gilberto da Cunha ; Pal\u00e1cio, Soraya Moreno; Fagundes-Klen, Marcia Regina", "title": "Utiliza\u00e7\u00e3o do res\u00edduo de erva-mate como material adsorvente do corante azul de metileno", "date": "2016", "keywords": "adsorvente; adsor\u00e7\u00e3o; agita\u00e7\u00e3o; com; corante; equil\u00edbrio; erva; g-1; mate; metileno; modelo; palito; para; pseudo; que; remo\u00e7\u00e3o; rpm", "summary": "Dados experimentais e modelagem cin\u00e9tica da adsor\u00e7\u00e3o do corante pelo palito de erva- mate (160 rpm e granulometria de 1,7 mm) Isotermas de Adsor\u00e7\u00e3o Para o projeto de sistemas de adsor\u00e7\u00e3o se faz necess\u00e1rio a obten\u00e7\u00e3o de dados de equil\u00edbrio. Os dados de equil\u00edbrio de adsor\u00e7\u00e3o do corante foram adequadamente representados pelo modelo de isoterma de Langmuir com um qmax de 44,84 mg.g-1 para a temperatura de 30\u00b0C.", "mime": "application/pdf"}, {"id": "ecletica-943", "words": "3684", "extension": ".pdf", "flesch": "61", "author": "Brugnera, Michelle Fernanda; dos Santos, Daniela Pereira; Zanoni, Maria Valnice Boldrin", "title": "Eletrodo modificado com filme de poli amino\u00e1cido para determina\u00e7\u00e3o de hidrazina em \u00e1gua de caldeira", "date": "2006", "keywords": "com; eletrodo; filmes; foi; hidrazina; l-1; mol; oxida\u00e7\u00e3o; pag; para; pico; por; sobre; \u00e1cido; \u00e1gua", "summary": "Aplica\u00e7\u00e3o do m\u00e9todo Considerando a import\u00e2ncia do uso de hi- drazina em \u00e1guas de caldeira ind\u00fastrias para con- trole de incrusta\u00e7\u00f5es sobre a superf\u00edcie de troca t\u00e9rmica, investigou-se a seguir a possibilidade de se aplicar o m\u00e9todo proposto para an\u00e1lise de amostras de \u00e1gua de caldeira. A Figura 1 mostra a oxida\u00e7\u00e3o voltam\u00e9trica de 1 x 10-3 mol L-1 de hidrazina em tamp\u00e3o fosfato pH 7,0 sobre eletrodo de carbono v\u00edtreo antes (curva a) e ap\u00f3s modifica\u00e7\u00e3o da superf\u00edcie por filmes de PAG formados por eletro polimeriza\u00e7\u00e3o do mon\u00f4mero (curva b).", "mime": "application/pdf"}, {"id": "ecletica-944", "words": "2404", "extension": ".pdf", "flesch": "52", "author": "Souza, Josiane de Lima; dos Santos, Ademir Francisco; Polese, Luciana; Crespi, Marisa Spirandeli; Ribeiro, Clovis Augusto", "title": "Otimiza\u00e7\u00e3o e valida\u00e7\u00e3o de metodologia cromatogr\u00e1fica para determina\u00e7\u00e3o simult\u00e2nea de composi\u00e7\u00e3o monom\u00e9rica em pol\u00edmero biodegrad\u00e1vel", "date": "2006", "keywords": "anidrido; com; dos; filmes; foi; foram; maleico; para; phb; por; s\u00e3o", "summary": "Em frascos (8mL) foram pesados gr\u00e2nulos do padr\u00e3o de PHB (Sigma-Aldrich), e adicionados 3mL de solu\u00e7\u00e3o reagente. Os resultados apresentados na Tabela 3 para as amostras de PHB puro, PHB/amina e filme 6 indicam que, provavelmente n\u00e3o ocorre intera\u00e7\u00e3o PHB-trietilamina e com uma pequena propor\u00e7\u00e3o ou aus\u00eancia de AM nas amostras recuperou-se HB com teor levemente acima do DP obtido no n\u00edvel mais elevado de recupera\u00e7\u00e3o de HB.", "mime": "application/pdf"}, {"id": "ecletica-945", "words": "2381", "extension": ".pdf", "flesch": "65", "author": "da Silva, Viviane C\u00e2ndida; Silva, Geraldo Humberto; Bolzani, Vanderlan da Silva; Lopes, M\u00e1rcia Nasser", "title": "Isolation of lignans glycosides from Alibertia sessilis (Vell.) K. Schum. (Rubiaceae) by preparative high-performance liquid chromatography", "date": "2006", "keywords": "hplc; rubiaceae; separation", "summary": "Chemical shifts were given in \u03b4 (ppm) using tetramethylsilane (TMS) as internal standard. 1H NMR (CD3OD, 500 MHz):\u03b4 1.61 (1H, m, H- 2), \u03b4 1.99 (1H, m, H-3),\u03b4 2.51 (1H, dd, J = 12 and 15 Hz, H-1) and 2.61 (1H, dd, J = 5 and 15 Hz, H- 1), \u03b4 3.11-3.15 (2H, m, H-2\u201d and H-3\u201d),\u03b4 3.18 (1H, m, H-4\u201d), \u03b4 3.24-3.27 (1H, m, H-5\u201d), \u03b4 3.25 (3H, s, CH3O-5),\u03b4 3.35 (1H, dd, J = 4 and 10 Hz, H-3a), \u03b4 3.43 (1H, dd, J = 6.5 and 11 Hz, H-2a), 3.55 (2H, m, H-2a and H-6\u201d),\u03b4 3.64 (6H, s, CH3O-3\u2019 and CH3O-5\u2019), \u03b4 3.73 (1H, m, H-6\u201d), \u03b4 3.76 (3H, s, CH3O-7), \u03b4 3.78 (1H, dd, J = 5.5 and 10 Hz, H-3a), \u03b4 4.18 (1H, d, J= 7.5 Hz, H-1\u201d), \u03b4 4.32 (1H, d, J = 5.5 Hz, H-4), \u03b4 6.32 (2H, s, H-2\u2019 and H-6\u2019), \u03b46.48 (1H, s, H-8).", "mime": "application/pdf"}, {"id": "ecletica-946", "words": "2424", "extension": ".pdf", "flesch": "65", "author": "Cervini, Priscila; Cavalheiro, \u00c9der Tadeu Gomes", "title": "Determination of hydroquinone in a square wave voltammetry procedure using a graphite-polyurethane composite electrode", "date": "2006", "keywords": "composite; electrode; graphite; l-1; \u00b5mol", "summary": "The cyclic voltammograms were obtained between \u2013600 e 1000 mV for 5.00 mmol L-1 HQ with scan rate 25 mV s-1. Voltammograms of SWV obtained for 60% (graphite, w/w) composite electrode using 5.0.10-5 mol L-1 HQ in acetate buffer pH 4.5, \u0192 = 50 s-1, \u2206Ep = 50 mV, \u2206Es = 10 mV. Figure 2.", "mime": "application/pdf"}, {"id": "ecletica-95", "words": "6541", "extension": ".pdf", "flesch": "61", "author": "Vieira, Leonardo Henrique Coimbra; Silva, Rafael Gundim; da Silva, Bruno Oliveira; Henrique J\u00fanior, S\u00e9rgio de Souza; C\u00e2mara, S\u00edlvio Carrielo; Afonso, J\u00falio Carlos; Alcover Neto, Arnaldo", "title": "Avalia\u00e7\u00e3o da qualidade de pilhas alcalinas e zinco-carbono de diferentes proced\u00eancias", "date": "2015", "keywords": "alcalinas; asi\u00e1tica; com; como; das; dos; ecl\u00e9tica; elementos; entre; foi; foram; inv\u00f3lucro; janeiro; jornal; mais; nacionais; nacional; para; pilhas; por; produtos; que; qu\u00edmica; resolu\u00e7\u00e3o; rio; s\u00e3o; tabela; teores; uma; validade; zinco", "summary": "Uma parte desses consumidores opta pela compra de pilhas de origem asi\u00e1tica, cujo pre\u00e7o \u00e9 bem inferior ao do similar nacional oriundo de empresas filiadas \u00e0 ABINEE (Associa\u00e7\u00e3o Brasileira da Ind\u00fastria El\u00e9trica e Eletr\u00f4nica). Os limites preconizados pela nova resolu\u00e7\u00e3o j\u00e1 est\u00e3o em geral dentro do que a maioria dos fabricantes de pilhas j\u00e1 alcan\u00e7ou h\u00e1 alguns anos.", "mime": "application/pdf"}, {"id": "ecletica-959", "words": "6880", "extension": ".pdf", "flesch": "40", "author": "Lima Morais, Ruiter; Ferreira Garcia, Luane; Kussmaul Gon\u00e7alves Moreno, Emily; Vieira Thomaz, Douglas; de Brito Rodrigues, La\u00eds; Barroso Brito, Lara; Sanz Lob\u00f3n, Germ\u00e1n; Augusto Rodrigues de Oliveira, Gisele; Ferreira Rodrigues, Marcella; Gontijo Vaz, Boniek; Gil, Eric de Souza", "title": "Electrochemical remediation of industrial pharmaceutical wastewater containing hormones in a pilot scale treatment system", "date": "2019", "keywords": "effluent; environ; germination; removal; root; table; test; toxicity; treatment; water", "summary": "https://doi.org/10.1021/es048992m. [5] Santos, L. H. M. L. M., Ara\u00fajo, A. N., Fachini, A., Ecotoxicological aspects related to the presence of pharmaceuticals in the aquatic environment., J. Hazard. [32] Cook, M. M., Symonds, E. M., Gerber, B., Hoare, A., Van-Vleet, E. S., Breitbart, M., Removal of Six Estrogenic Endocrine-Disrupting Compounds (EDCs) from Municipal Wastewater Using Aluminum Electrocoagulation, Water 8 (2016) 128.", "mime": "application/pdf"}, {"id": "ecletica-96", "words": "4353", "extension": ".pdf", "flesch": "45", "author": "Louzeiro, Hilton Costa; Soledade, Luiz Edmundo Bastos; de Souza, Antonio Gouveia; Maciel, Adeilton Pereira; Silva, Fernando C\u00e9sar", "title": "Free glycerin determination in ethanol biodiesel utilizing spectrophotometric and chromatographic (GC/FID) methods", "date": "2015", "keywords": "biodiesel; determination; ethanol; free; gas; glycerin; method; regression; standard; table", "summary": "According to the Resolution number 7 from the Brazilian National Agency of Oil, Natural Gas and Biofuels (ANP), the official methodologies for free glycerin determination in biodiesel are the ASTM D 6584, EN 14105 and EN 14106 methods. It can be noticed that these methods are sensitive enough to determine free glycerin concentrations below the value of 200 mg/L, the upper limit stated by ANP in the biodiesel specification.", "mime": "application/pdf"}, {"id": "ecletica-960", "words": "4757", "extension": ".pdf", "flesch": "49", "author": "Costa, Vin\u00edcius; Neiva, Ariane; Pereira-Filho, Edenir", "title": "Chromium speciation in leather samples: an experiment using digital images, mobile phone and environmental concepts", "date": "2019", "keywords": "cr(vi; images; leather; method; phone; photometrix; samples; students; use", "summary": "| Vol. 44 | n. 1 | 2019 | 62 Ecl\u00e9tica Qu\u00edmica Journal, vol. 44, n. 1, 2019, 62-74 ISSN: 1678-4618 DOI: 10.26850/1678-4618eqj.v44.1.2019.p62-74 Chromium speciation in leather samples: an experiment using digital images, mobile phones and environmental concepts Vin\u00edcius Costa1, Ariane Neiva1, Edenir Pereira-Filho1+ 1 Federal University of S\u00e3o Carlos - UFSCar, S\u00e3o Paulo, Brazil + Corresponding author: Edenir Pereira-Filho, e-mail address: erpf@ufscar.br ARTICLE INFO Article history: 4. Conclusions The proposed method for Cr(VI) speciation and determination in leather samples using digital images from mobile phones was shown to be very efficient.", "mime": "application/pdf"}, {"id": "ecletica-962", "words": "266", "extension": ".pdf", "flesch": "32", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Editorial board", "date": "2018", "keywords": "brazil; prof", "summary": "Sul, UFRGS, RS, Brazil Prof. Enric Brillas, Facultat de Qu\u00edmica, Universitat de Barcelona, Spain Prof. Ver\u00f3nica Cort\u00e9s de Zea Bermudez, Escola de Ci\u00eancias da Vida e do Ambiente,Universidade de Tr\u00e1s- os-Montes e Alto Douro, Vila Real, Portugal Prof. Lauro Kubota, Instituto de Qu\u00edmica, Universidade Estadual de Campinas, Unicamp, SP, Brazil Prof. Ivano Gerardt Rolf Gutz, Instituto de Qu\u00edmica, Universidade de S\u00e3o Paulo, USP, SP, Brazil Prof. Jos\u00e9 Ant\u00f4nio Maia Rodrigues, Faculdade de Ci\u00eancias, Universidade do Porto, Portugal Prof. Bayardo Baptista Torres, Instituto de Qu\u00edmica, Universidade de S\u00e3o Paulo, USP, SP, Brazil Technical Staff Gustavo Marcelino de Souza Lucas Henrique de Carvalho Machado Ecl\u00e9tica Qu\u00edmica Journal 2018 http://revista.iq.unesp.br/ojs/index.php/ecletica/index", "mime": "application/pdf"}, {"id": "ecletica-964", "words": "1783", "extension": ".pdf", "flesch": "48", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Authors guidelines", "date": "2018", "keywords": "authors; eclet; manuscript; quim", "summary": "| 2018 | Instructions for Authors Preparation of manuscripts \u2022 Only manuscripts in English will be accepted. \u2022 Figures, schemes, and photos already published by the same or different authors in other publications may be reproduced in manuscripts of Eclet.", "mime": "application/pdf"}, {"id": "ecletica-965", "words": "169", "extension": ".pdf", "flesch": "13", "author": "Journal, Ecl\u00e9tica Qu\u00edmica", "title": "Summary", "date": "2018", "keywords": "summary", "summary": "The correlation between electronic structure and antitumor activity of a selective focal adhesion kinase inhibitors................\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026.........................................................................10 Daniel Augusto Barra de Oliveira Antioxidant capacity of Melissa Officinalis L. on Biological Systems......................................................19 Juliana Metzner Franco, Silvana Marina Piccoli Pugine , Ant\u00f4nio M\u00e1rcio Scatoline, Mariza Pires de Melo Validation of analytical methodology for determination of Personal Care Products in environmental matrix by GC-MSMS....................................................................................................................................30 Tais Cristina Filippe, Franciane de Almeida Brehm Goulart, Alinne Mizukawa, J\u00falio C\u00e9sar Rodrigues de Azevedo Determination of the concentration of Ce, La, Sm and Eu in a phosphogypsum stack, in Imbituba city, Santa Catarina, Brazil.........................................................................................................................37 Renata Coura Borges, Let\u00edcia Mombrini Marques, Cl\u00e1udio Fernando Mahler, Alfredo Victor Bellido Bernedo Biosorption of 5G blue reactive dye using waste rice husk....................................................................45 Ismael Laurindo Costa Junior, Leandro Finger, Poliana Paula Quitaiski, Samuel Mathias Neitzke, Josue Victor Besen, Maike Krug Correa, Juliana Bortoli Rodrigues Mees http://revista.iq.unesp.br/ojs/index.php/ecletica/index Summary iq.unesp.br/ecletica", "mime": "application/pdf"}, {"id": "ecletica-967", "words": "16213", "extension": ".pdf", "flesch": "33", "author": "Louis, Hitler; Akakuru, Ozioma Udochukwu; Monday, Philip; Funmilayo, Oyebanji Oluwatomisin", "title": "A review on the state-of-the-art advances for CO2 electro-chemical reduction using metal complex molecular catalysts", "date": "2019", "keywords": "carbon; catalysis; catalyst; catalytic; chem; co2; co2 reduction; complexes; dioxide; doi; electrochemical; figure; issn; journal; metal; qu\u00edmica; reaction; review; soc; vol; water", "summary": "Metal complexes molecular catalyst have become prevalent homogeneous catalysts for carbon dioxide (CO2) photocatalytic reduction since it was initially known as CO2 reduction catalysts in the 70s and the 80s, while utmost part involved macrocyclic cobalt(II) and nickel(II) complexes. [123] Walsh, J. J., Smith, C. L., Neri, G., Whitehead, G. F. S., Robertson, C. M., Cowan, A. J., Improving the efficiency of electrochemical CO2 reduction using immobilized manganese complexes, Faraday Discuss. 183 (2015) 147-160.", "mime": "application/pdf"}, {"id": "ecletica-968", "words": "5316", "extension": ".pdf", "flesch": "39", "author": "Bossu, Carla Ma\u00edra; Carioni, Vivian Montes de Oca; Naozuka, Juliana; Oliveira, Pedro Vitoriano de; Nomura, Cassiana Seimi", "title": "Direct determination of arsenobetaine and total As in robalo fish liver and tuna fish candidate reference material by slurry sampling graphite furnace atomic absorption spectrometry (SLS-GF AAS)", "date": "2019", "keywords": "arsenic; chemical; fish; species; total; triton; tuna; x-100; \u00b5g pd", "summary": "[22] Shah, A. Q., Kazi, T. G., Baig, J. A., Arain, M. B., Afridi, H. I., Kandhro, G. A., Wadhwa, S. K., Kolachi, N. F., Determination of inorganic arsenic species (As3+ and As5+) in muscle tissues of fish species by electrothermal atomic absorption spectrometry (ETAAS), Food Chem. As in robalo fish liver and tuna fish candidate reference material by slurry sampling graphite furnace atomic absorption spectrometry (SLS-GF AAS) Carla Ma\u00edra Bossu1+, Vivian Montes de Oca Carioni2 , Juliana Naozuka3 , Pedro Vitoriano de Oliveira4, Cassiana Seimi Nomura4 1 S\u00e3o Paulo State University (Unesp), Institute of Chemistry, 55 Prof. Francisco Degni St, Araraquara, S\u00e3o Paulo, Brazil 2 University of Missouri (MU), Research Reactor Center, 1513 Research Park Dr, Columbia, Missouri, United States of America 3 Federal University of S\u00e3o Paulo (Unifesp), 275 Prof. Artur Riedel St, Diadema, S\u00e3o Paulo, Brazil 4 University of S\u00e3o Paulo (USP), Institute of Chemistry, 748 Prof. Lineu Prestes Hw, S\u00e3o Paulo, S\u00e3o Paulo, Brazil +Corresponding author: Carla Ma\u00edra Bossu, email address: carla.bossu@gmail.com ARTICLE INFO Article history:", "mime": "application/pdf"}, {"id": "ecletica-97", "words": "3071", "extension": ".pdf", "flesch": "47", "author": "Hern\u00e1ndez-Terrones, Manuel Gonzalo; Portela, Flaysner Magayver; Melo, Patr\u00edcia Gontijo; Queiroz, Douglas Santos; Borges Neto, Waldomiro; Domingos Fabris, Jos\u00e9", "title": "Oils from different vegetal sources as precursor materials influencing essential physicochemical characteristics of the biodiesel obtained via the transesterification reaction", "date": "2015", "keywords": "acrocomia; aculeate; biodiesel; brasiliense; caryocar; chemical; figure; oil; oils; transesterification", "summary": "This is accompanied by an increasing interest in the search of new oil plant sources, particularly of a given regional native flora, in order to identify starting oil material to produce biofuel, or, more specifically, biodiesel. For instance: (i) the size of an adult palm tree of Acrocomia aculeate is too high (the upper part of an adult tree usually reaches to 15 m in height), making it more difficult to harvest its fruits, in any large commercial agriculture systems and (ii) raw oils either from the wild specimen of Acrocomia aculeate [33] and Caryocar brasiliense", "mime": "application/pdf"}, {"id": "ecletica-970", "words": "9359", "extension": ".pdf", "flesch": "45", "author": "Antunes Rocha, Helv\u00e9cio Vin\u00edcius; Augusto, Rachel de Sousa; Prado, Livia Deris; de Carvalho, Erika Martins", "title": "Characterization of nimesulide and development of immediate release tablets", "date": "2019", "keywords": "batches; dissolution; figure; flow; nimesulide; nm1; nm2; nm3; particle; product; reference; results; samples; size; values", "summary": "Comparison of dispersibility indices indicate that NM3 sample has the greater nonuniformity of particle size distribution (DI = 2.94), followed by NM2 sample (DI = 2.22) and, finally, NM1 sample (DI = 1.96). The data obtained by SEM confirmed the results of particle size distribution by laser diffraction, in which NM1 sample also showed much higher particle sizes compared to the NM2 and NM3 samples (Figure 4).", "mime": "application/pdf"}, {"id": "ecletica-971", "words": "9929", "extension": ".pdf", "flesch": "26", "author": "Santos, M\u00f4nica Cardoso; Nascimento, Paloma Andrade Martins; Guedes, Wesley Nascimento; Pereira-Filho, Edenir Rodrigues; Filletti, \u00c9rica Regina; Pereira, Fab\u00edola Manhas Verbi", "title": "Chemometrics in analytical chemistry \u2013 an overview of applications from 2014 to 2018", "date": "2019", "keywords": "analysis; ann; chemometrics; classification; data; determination; food; https://doi.org/10.26850/1678-4618eqj.v44.2.2019.p11-25; methods; model; multivariate; nir; pls; plsr; samples; spectroscopy", "summary": "[39] Filgueiras, P. R., Portela, N. A., Silva, S. R. C., Castro, E. V. R., Oliveira, L. M. S. L., Dias, J. C. M., Neto, A. C., Romao, W., Poppi, R. J., Determination of saturates, aromatics, and polars in crude oil by c-13 nmr and support vector regression with variable selection by genetic algorithm, Energy and Fuels 30 (3) (2016) 1972- 1978. [40] Rocha, J. T. C., Oliveira, L. M. S. L., Dias, J. C. M., Pinto, U. B., Marques, M. D. S. P., Oliveira, B. P., Filgueiras, P. R., Castro, E. V. R., Oliveira, M. A. L., Sulfur determination in brazilian petroleum fractions by mid-infrared and near-infrared spectroscopy and partial least squares associated with variable selection methods, Energy and Fuels 30 (1) (2016) 698-705.", "mime": "application/pdf"}, {"id": "ecletica-973", "words": "266", "extension": ".pdf", "flesch": "26", "author": "Qu\u00edmica Journal, Ecl\u00e9tica", "title": "Editorial Board", "date": "2019", "keywords": "brazil; prof", "summary": "Sul, UFRGS, RS, Brazil Prof. Enric Brillas, Facultat de Qu\u00edmica, Universitat de Barcelona, Spain Prof. Ver\u00f3nica Cort\u00e9s de Zea Bermudez, Escola de Ci\u00eancias da Vida e do Ambiente,Universidade de Tr\u00e1s- os-Montes e Alto Douro, Vila Real, Portugal Prof. Lauro Kubota, Instituto de Qu\u00edmica, Universidade Estadual de Campinas, Unicamp, SP, Brazil Prof. Ivano Gerardt Rolf Gutz, Instituto de Qu\u00edmica, Universidade de S\u00e3o Paulo, USP, SP, Brazil Prof. Jos\u00e9 Ant\u00f4nio Maia Rodrigues, Faculdade de Ci\u00eancias, Universidade do Porto, Portugal Prof. Bayardo Baptista Torres, Instituto de Qu\u00edmica, Universidade de S\u00e3o Paulo, USP, SP, Brazil Technical Staff Gustavo Marcelino de Souza Lucas Henrique de Carvalho Machado Ecl\u00e9tica Qu\u00edmica Journal 2018 http://revista.iq.unesp.br/ojs/index.php/ecletica/index", "mime": "application/pdf"}, {"id": "ecletica-974", "words": "2057", "extension": ".pdf", "flesch": "49", "author": "Qu\u00edmica Journal, Ecl\u00e9tica", "title": "Author guidelines", "date": "2019", "keywords": "authors; eclet; letter; manuscript; quim", "summary": "| Vol. 43 | n. 4 | 2018 | Instructions for Authors Preparation of manuscripts \u2022 Only manuscripts in English will be accepted. \u2022 Figures, schemes, and photos already published by the same or different authors in other publications may be reproduced in manuscripts of Eclet.", "mime": "application/pdf"}, {"id": "ecletica-975", "words": "167", "extension": ".pdf", "flesch": "20", "author": "Qu\u00edmica Journal, Ecl\u00e9tica", "title": "Summary", "date": "2019", "keywords": "mohammed", "summary": "| 2018 | SUMMARY EDITORIAL BOARD........................................................................................................................................3 EDITORIAL\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026..........................................................................................4 INSTRUCTIONS FOR AUTHORS....................................................................................................................5 ORIGINAL ARTICLES Synthesis, characterization and comparative thermal degradation study of Co(II), Ni(\u0399\u0399) and Cu(II) complexes with Asparagine and Urea as mixed ligands................\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026..........11 Yasmin Mosa'd Jamil, Maher Ali Al-Maqtari, Fathi Mohammed Al-Azab, Mohammed Kassem Al- Qadasy, Amani A. Al-Gaadbi Physicochemical and biological activity studies on complexes of some transition elements with mixed ligands of glycine and urea........................................................................................................................25 Maher Ali Al-Maqtari, Mohammed Kassem Al-Qadasy, Yasmin Mosa'd Jamil, Fathi Mohammed Al-Azab, Amani A. Al-Gaadbi Simple, fast and inexpensive method for determination of ranitidine hydrochloride based on conductometric measurements................................................................................................................36 Eduardo Henrique Bindewald, Jo\u00e3o Carlos da Rosa-Sobrinho, M\u00e1rcio Fernando Bergamini, Luiz Humberto Marcolino-J\u00fanior Dark breather using symmetric morse, solvent and external potentials for DNA breathing................43 Hern\u00e1n Oscar Cortez Gutierrez, Milton Milciades Cortez Gutierrez, Girady Iara Cortez Fuentes Rivera, Liv Jois Cortez Fuentes Rivera, Deolinda Fuentes Rivera Vallejo http://revista.iq.unesp.br/ojs/index.php/ecletica/index", "mime": "application/pdf"}, {"id": "ecletica-977", "words": "4384", "extension": ".pdf", "flesch": "44", "author": "Araujo, Angela Regina; Biasetto, Carolina Rabal; Somensi, Andressa; Figueiro, Fernanda Sales; de Moraes, Luiz Alberto Beraldo; Silva, Geraldo Humberto; Young, Maria Claudia Marx; Bolzani, Vanderlan da da Silva", "title": "Diketopiperazines and arylethylamides produced by Schizophyllum commune, an endophytic fungus in Alchornea glandulosa", "date": "2019", "keywords": "commune; diketopiperazines; endophytic; extracts; fungus; s.co", "summary": "https://doi.org/10.1016/0031-9422(91)85077-D. [11] Young, M. C. M., Braga, M. R., Dietrich, S. M. C., Gottlieb, H. E., Trevisan, L. M. V., Bolzani, V. S., Fungitoxic non-glycosidic iridoids from Alibertia macrophylla, Phytochemistry 31 (10) (1992) 3433- 3435. [24] Teles, H. L., Silva, G. H., Castro-Gamboa, I., Bolzani, V. S., Pereira, J. O., Costa-Neto, C. M., Eberlin, M. N., Young, M. C. M., Ara\u00fajo, A. R., Benzopyrans from Curvularia sp., an endophytic fungus associated with Ocotea corymbosa (Lauraceae), Phytochemistry 66 (19) (2005) 2363-2367. https://doi.org/10.1016/j.phytochem.2005.04.043.", "mime": "application/pdf"}, {"id": "ecletica-978", "words": "2847", "extension": ".pdf", "flesch": "59", "author": "Andrade, Jony; Iha, Koshun; Rocco, Jos\u00e9 At\u00edlio Fritz Fidel; Franco, G. P.; Moreira, En\u00e9zio Donizetti; Su\u00e1rez-Iha, Maria Encarnaci\u00f3n V\u00e1zquez", "title": "Estudo da cin\u00e9tica de consumo do estabilizante 2NDPA no propelente base dupla", "date": "2007", "keywords": "2ndpa; base; cin\u00e9tica; consumo; estabilizante; foi; foram; para; propelente; que; s\u00e3o; uma", "summary": "Dados obtidos a partir da quantifica\u00e7\u00e3o da fra\u00e7\u00e3o (m/m) do estabilizante no propelente envelhecido nas temperaturas de temperaturas de 60, 70 e 80 \u00baC. Figura 2. Em seguida, adi- cionou-se por meio de uma pipeta volum\u00e9trica 50 mL de diclorometano.", "mime": "application/pdf"}, {"id": "ecletica-979", "words": "3401", "extension": ".pdf", "flesch": "52", "author": "Sanches, Sergio Marcos; Vieira, Eny Maria; do Prado, Eliana Le\u00e3o; Benetti, Fernanda; Takayanagui, Angela Magosso", "title": "Estudo da presen\u00e7a da toxina microcistina-LR em \u00e1gua utilizada em cl\u00ednica de hemodi\u00e1lise e valida\u00e7\u00e3o de um m\u00e9todo an\u00e1l\u00edtico", "date": "2007", "keywords": "anal\u00edtica; com; curva; foi; foram; hemodi\u00e1lise; microcistina; m\u00e9todo; para; preto; que; ribeir\u00e3o; sa\u00fade; s\u00e3o; uma; utilizada; \u00e1gua", "summary": "\u00c9 realidade comum o lan\u00e7a- mento de esgotos dom\u00e9sticos in natura, efluentes industriais ricos em nutrientes, carreamento de fer- tilizantes utilizados na lavoura e dejetos oriundos da cria\u00e7\u00e3o de animais dom\u00e9sticos criados nas media\u00e7\u00f5es de cursos de \u00e1gua, ou em locais sem infra-estrutura adequada. A contamina\u00e7\u00e3o das \u00e1guas naturais repre- senta um dos principais riscos \u00e0 sa\u00fade p\u00fablica, sen- do amplamente conhecida \u00e0 estreita rela\u00e7\u00e3o entre a qualidade de \u00e1gua e in\u00fameras enfermidades que cometem os seres humanos, especialmente aquelas n\u00e3o atendidas por servi\u00e7os de saneamento [3].", "mime": "application/pdf"}, {"id": "ecletica-98", "words": "3212", "extension": ".pdf", "flesch": "53", "author": "Schaper Bizzotto, Carolina; Dillenburg Meinhart, Adriana; Ballus, Cristiano Augusto; de Souza Campos Junior, Francisco Alberto; Teixeira Godoy, Helena", "title": "Multivariate optimization of residual caffeine extraction from decaffeinated coffee", "date": "2015", "keywords": "analysis; caffeine; chloroform; coffee; extraction; levels; liquid; min; repeatability; samples", "summary": "Keywords: factorial design optimization; caffeine extraction; capillary electrophoresis 3 RESUMO Este estudo avaliou t\u00e9cnicas de extra\u00e7\u00e3o de cafe\u00edna a partir de amostras de caf\u00e9 descafeinado, para aplica\u00e7\u00e3o no controle de qualidade dos processos industriais de descafeiniza\u00e7\u00e3o. In the literature researched, any studies were found about optimization of caffeine extraction in samples of decaffeinated coffee.", "mime": "application/pdf"}, {"id": "ecletica-980", "words": "2882", "extension": ".pdf", "flesch": "58", "author": "Cesarino, Ivana; Marino, Glimaldo; Matos, Jivaldo do Ros\u00e1rio; Cavalheiro, \u00c9der Tadeu Gomes", "title": "Evaluation of a carbon paste electrode modified with organofunctionalised SBA-15 silica in the determination of copper", "date": "2007", "keywords": "carbon; copper; cu(ii; electrode; l-1; mol; paste; sba-15; silica; solution", "summary": "Modified carbon paste electrodes (MCPE) were prepared by mixing the graphite powder with BTPSBA. Ecl. Qu\u00edm., S\u00e3o Paulo, 32(2): 29-34, 2007 Vol32n2_versao_02.pmd 13/7/2007, 14:0433 34 Conclusion The use of the organofunctionalised SBA-15 silica with 2-benzothiazolethiol for preparation of modified carbon paste electrodes could be used in the electroanalytical determination of Cu(II) for concentration in the \u00ecmol L-1 level.", "mime": "application/pdf"}, {"id": "ecletica-981", "words": "4042", "extension": ".pdf", "flesch": "65", "author": "Ferenc, Wieslawa; Czapla, Katarzyna; Sarzy\u0144ski, Jan; Zwolinska, Anna", "title": "Complexes of 3,4-dimethoxybenzoic acid anion with Cu(II), Co(II), La(III), and Nd(III)", "date": "2007", "keywords": "co(ii; complexes; dimethoxybenzoates; la(iii; spectra; water", "summary": "In the case of anhydrous complexes of Co(II) and Nd(III) two bands of symmetrical carboxylate groups, \u03bdsOCO, occur, which indicates their vari- ous positions in the analysed compounds. The hydrated 3,4 \u2013 dimethoxybenzoate of La(III) releases at 346-391K three water mole- cules in one step and forms anhydrous complex.", "mime": "application/pdf"}, {"id": "ecletica-983", "words": "3135", "extension": ".pdf", "flesch": "32", "author": "Naeem, Haider Tawfiq; Abdullah, Firas Fouad", "title": "Effects of garnet particles and chill casting conditions on properties of aluminum matrix hybrid composites", "date": "2019", "keywords": "aluminum; casting; chill; composites; garnet; matrix; properties; wear", "summary": "X-ray diffraction patterns of aluminium matrix composites (a) Al-C2 (after adding 9% garnet) under mold of copper chilling and (b) Al-C0 (without garnet particles). Directional and fast solidification is one of a broadly reasonable method to refine the grain sizes and hence improves the mechanical properties of aluminum composite, which can be achieved by the application of chills.", "mime": "application/pdf"}, {"id": "ecletica-984", "words": "3204", "extension": ".pdf", "flesch": "55", "author": "Girotto J\u00fanior, Gildo; Nogueira, Kellrye Leite; de Moura, Jos\u00e9 Antonio; de Souza, Jo\u00e3o Batista Gomes; Lopes, Laudic\u00e9ia Giacometti; de Marchi, Mary Rosa Rodrigues; Tognolli, Jo\u00e3o Ol\u00edmpio", "title": "Estr\u00f3genos em \u00e1gua: otimiza\u00e7\u00e3o da extra\u00e7\u00e3o em fase s\u00f3lida utilizando ferramentas quimiom\u00e9tricas", "date": "2007", "keywords": "com; como; dos; extra\u00e7\u00e3o; fase; fatores; foi; para; que; spe; s\u00e3o; s\u00f3lida; \u00e1gua", "summary": "Na literatura encontra-se uma profus\u00e3o de m\u00e9todos d\u00edspares para um mesmo prop\u00f3sito, denotando que o estudo aprofundado da otimiza\u00e7\u00e3o da SPE muitas vezes n\u00e3o foi efetuado. Estr\u00f3genos produzidos naturalmente por mam\u00edferos, como o 17 \u00df-estradiol e seus metab\u00f3litos, estriol e estrona, excretados principalmente por mulheres em idade f\u00e9rtil e estr\u00f3genos sint\u00e9ticos como o etinilestradiol, usados extensivamente como contraceptivos e Ecl. Qu\u00edm., S\u00e3o Paulo, 32(2): 61-67, 2007 Volume 32, n\u00famero 2, 2007 62 prop\u00f3sitos terap\u00eauticos (controle da s\u00edndrome da menopausa e c\u00e2ncer de pr\u00f3stata) tem tido grande interesse pela comunidade cient\u00edfica", "mime": "application/pdf"}, {"id": "ecletica-985", "words": "2867", "extension": ".pdf", "flesch": "65", "author": "Andrade, Jony; Iha, Koshun; Rocco, Jos\u00e9 At\u00edlio Fritz Fidel; Pinheiro, Glaci Ferreira Martins; Suzuki, Nanci; Su\u00e1rez-Iha, Maria Encarnaci\u00f3n V\u00e1zquez", "title": "Determina\u00e7\u00e3o dos par\u00e2metros cin\u00e9ticos de decomposi\u00e7\u00e3o t\u00e9rmica para propelentes BS e BD", "date": "2007", "keywords": "base; bd-111; decomposi\u00e7\u00e3o; para; propelente; que; rex; s\u00e3o", "summary": "Resultados e discuss\u00e3o Nas Figuras 1 e 2 s\u00e3o apresentadas, respectivamente, as curvas DSC obtidas para as amostras de propelentes BS REX 1200 e BD-111, nas diferentes raz\u00f5es de aquecimento. Em uma an\u00e1lise dos desvios padr\u00f5es obtidos para as temperaturas de pico, em diferentes raz\u00f5es de aquecimento, e do coeficiente de determina\u00e7\u00e3o (r2) do gr\u00e1fico de Ozawa, de ambas as amostras, observou-se que o m\u00e9todo empregado apresentou-se adequado.", "mime": "application/pdf"}, {"id": "ecletica-986", "words": "4313", "extension": ".pdf", "flesch": "52", "author": "Guerra, Denis de Jesus Lima; Lemos, Vanda Porpino; Ang\u00e9lica, R\u00f4mulo Sim\u00f5es; Airoldi, Claudio", "title": "Influ\u00eancia de argilas pilarizadas na decomposi\u00e7\u00e3o catal\u00edtica do \u00f3leo de andiroba", "date": "2007", "keywords": "andiroba; argilas; arom\u00e1ticos; com; como; das; decomposi\u00e7\u00e3o; dos; foi; foram; n\u00famero; para; pilarizadas; por; processo; produtos; que; rea\u00e7\u00e3o; s\u00e3o; s\u00edtios; temperatura; uma; \u00e1cidos; \u00f3leo", "summary": "O tempo de envelhecimento adotado foi de 24horas e as raz\u00f5es molares adotadas foram [H+]/[Zr]=1,5 e 2,0. S\u00edntese do polioxic\u00e1tion de Alum\u00ednio As solu\u00e7\u00f5es pilarizantes foram preparadas a partir de 0,20 mol dm-3 de AlCl3.6H2O (MERCK) e de NaOH (MERCK) , que foram compostas nas raz\u00f5es molares de [OH]/[Al] = 1,5 e 2,0.", "mime": "application/pdf"}, {"id": "ecletica-987", "words": "3156", "extension": ".pdf", "flesch": "54", "author": "dos Santos, Sonia; de Moraes, Maria de Lourdes Leite; Rezende, Maria Olimpia de Oliveira", "title": "Allelopathic potential and systematic evaluation of secondary compounds in extracts from roots of Canavalia ensiformis by capillary electrophoresis", "date": "2007", "keywords": "acid; canavalia; capillary; cassia; compounds; electrophoresis; ensiformis; extracts; seeds", "summary": "The secondary compounds studied were chosen accord- ing to their occurrence in plant extracts and their crucial importance in allelopathic phenomenon. Plants are known to produce bioactive mol- ecules (secondary compounds), which react with other organisms in the environment, inhibiting bac- terial and fungal growth (antibiotic activity) or mod- ulating the development of other vegetables (allelo- pathic activity)", "mime": "application/pdf"}, {"id": "ecletica-988", "words": "5020", "extension": ".pdf", "flesch": "63", "author": "C\u00e1rdenas-L\u00f3pez, C.; Camargo, Gabriel; Giraldo, Liliana; Moreno-Piraj\u00e1n, Juan Carlos", "title": "Design of an adsorbent employing activated carbon fiber to remove lead", "date": "2007", "keywords": "acf; acfs; acid; adsorption; breakage; carbon; cloth; concentration; fiber; figure; pb2; sites; solution", "summary": "3 Faculty of Sciences, Department of Chemistry, Research Group of Porous Solids and Calorimetry, Universidad de Los Andes, Bogot\u00e1, Colombia Abstract: Zorflex\u00ae activated carbon fibers (ACF), reference FM100 198B, are used before and after an oxidizing procedure with H3PO4 to study the adsorption of Pb2+. Alternatives such as the use of granular activated carbon (GAC), powdered activated carbon (PAC) and activated carbon fiber (ACF) have been widely implemented due to the increasing demand of this type of materials.", "mime": "application/pdf"}, {"id": "ecletica-989", "words": "3578", "extension": ".pdf", "flesch": "58", "author": "da Silva, Daniela Alessandra Fossato; de Menezes, Manoel Lima; Kempinas, Wilma de Grava", "title": "Desenvolvimento e valida\u00e7\u00e3o de m\u00e9todo anal\u00edtico para determina\u00e7\u00e3o simult\u00e2nea de catecolaminas em \u00f3rg\u00e3os reprodutores de ratos por cromatografia l\u00edquida de alta efici\u00eancia com detec\u00e7\u00e3o eletroqu\u00edmica", "date": "2007", "keywords": "amostras; catecolaminas; com; das; ducto; extra\u00e7\u00e3o; foi; foram; l-1; m\u00e9todo; noradrenalina; para; que; s\u00e3o; uma; \u00e1cido", "summary": "Neste trabalho, os valores de recupera\u00e7\u00e3o situ- aram-se entre 56 e 114 %, com CV entre 3,8 e 23%, como pode ser observado nas Tabelas 4 e 5, para os nos n\u00edveis de fortifica\u00e7\u00f5es de 30, 40 e 50\u00b5L dos padr\u00f5es para amostras de cauda do epid\u00eddimo e 30, 40 e 50\u00b5L de adrenalina e 60, 70 e 80\u00b5L de nora- drenalina para amostras O m\u00e9todo anal\u00edtico apresentou simplicidade no tratamento das amostras e rapidez de an\u00e1lise, devido ao emprego do \u00e1cido percl\u00f3rico 0,4 mol L-1 no procedimento de extra\u00e7\u00e3o das catecolaminas presentes em amostras de tecidos e o emprego da coluna cromatogr\u00e1fica ISRP-C18 que permite a inje\u00e7\u00e3o direta do extrato \u00e1cido da amostra.", "mime": "application/pdf"}, {"id": "ecletica-99", "words": "1775", "extension": ".pdf", "flesch": "66", "author": "de Sousa, Fernanda Luise Cardoso; Cabral, Alciney Miranda; da Silva, Ademir Oliveira; de Oliveira, Jo\u00e3o Bosco Lucena", "title": "S\u00edntese e caracteriza\u00e7\u00e3o de titanato de b\u00e1rio, dopados com eur\u00f3pio e neod\u00edmio", "date": "2015", "keywords": "com; figura; nd0,05ba0,05ti1,4375o3", "summary": "Nota-se que na figura, o material dopado com Eur\u00f3pio e sintetizado a 900\u00b0C \u00e9 cerca de 3% mais cristalino que o dopado com Neod\u00edmio. Sr 2+ e Ca 2+ ou at\u00e9 lantan\u00eddeos La 3+ , La 2+ , Nd 3+ ,", "mime": "application/pdf"}, {"id": "ecletica-990", "words": "2896", "extension": ".pdf", "flesch": "65", "author": "Gon\u00e7alves, Jos\u00e9 Eduardo; Rodrigues Filho, Ubirajara Pereira; Franco, Douglas Wagner; Gushikem, Yoshitaka", "title": "Adsorption of hidrogen peroxide on the surface of silica \u2013 titania mixed oxide obtained by the sol-gel processing method", "date": "2007", "keywords": "hydrogen; matrix; peroxide; sio; stc; surface", "summary": "[6] M. A. Cauqui, J. J. Caluino, G. Cifredo, L. Esquivias and J. M. Rodr\u00edguez-Izquierdo, J. Non-Cryst. [24] L. T. Kubota, Y. Gushikem and J. C. Moreira, Analyst, 116 (1991) 281.", "mime": "application/pdf"}, {"id": "ecletica-991", "words": "5083", "extension": ".pdf", "flesch": "60", "author": "Guerra, Denis de Jesus Lima; Airoldi, Cl\u00e1udio; Lemos, Vanda Porpino; Ang\u00e9lica, R\u00f4mulo Sim\u00f5es; Viana, R\u00fabia Ribeiro", "title": "Aplica\u00e7\u00e3o de Al-PILC na adsor\u00e7\u00e3o de Cu2+, Ni2+ e Co2+ utilizando modelos f\u00edsico-qu\u00edmicos de adsor\u00e7\u00e3o", "date": "2007", "keywords": "adsor\u00e7\u00e3o; argila; com; como; das; dos; foi; foram; freundlich; langmuir; matriz; natural; para; pilarizada; por; que; resultados; s\u00e3o", "summary": "A teoria de Temkin parte do princ\u00edpio que n\u00e3o existe diferencia\u00e7\u00e3o na estabilidade dos centros de adsor\u00e7\u00e3o que se considera na regi\u00e3o externa dos pilares e nas superf\u00edcies internas que foram expostas com a pilariza\u00e7\u00e3o e que os s\u00edtios mais 56 Ecl. Qu\u00edm., S\u00e3o Paulo, 32(3): 51-60, 2007 Amostras AE (m2/g) VTP (cm3/g) DMP (\u00c5) Natural 44,37 0,12 45,09 Al-PILC-450 198,03 0,47 76,87 energ\u00e9ticos s\u00e3o primeiramente ocupados pelos \u00edons previamente em solu\u00e7\u00e3o aquosa, estabelecendo uma rela\u00e7\u00e3o de invers\u00e3o proporcional entre afinidade eletr\u00f4nica e adsor\u00e7\u00e3o [45]. Os modelos de adsor\u00e7\u00e3o adotados foram os de Langmuir, Freundlich e Temkin que foram aplicados aos valores obtidos experimentalmente com regress\u00e3o linear.", "mime": "application/pdf"}, {"id": "ecletica-992", "words": "3928", "extension": ".pdf", "flesch": "59", "author": "da Silveira J\u00fanior, Pedro Belchior; Tiera, Vera Aparecida de Oliveira; Tiera, Marcio Jos\u00e9", "title": "A fluorescence probe study of gemini surfactants in aqueous solution: a comparison between n-2-n and n-6-n series of the alkanediyl-a,w-bis (dimethylalkylammonium bromides)", "date": "2007", "keywords": "cmc; fluorescence; n-2; n-6; surfactants", "summary": "The presence of preaggregates in submicellar concentrations of dimeric surfactants has been suggested by Mathias et al. in a recent work using time resolved fluorescence spectroscopy[23], and thereafter their method was contested by Zana [24,25]. This behavior may be due to the increasing aggregation numbers (N ) with concentration and this has been observed for dimeric surfactants having short as well as longer spacer groups", "mime": "application/pdf"}, {"id": "ecletica-993", "words": "4928", "extension": ".pdf", "flesch": "69", "author": "Khan, Farid", "title": "Electrochemical study and dependence of \u2018transition state\u2019 in Co(II) and Ni(II) complexes with some antibiotics and cephalothin", "date": "2007", "keywords": "cephalothin; l-1; mol; series1", "summary": "1.04 1.06 1.08 1.1 1.12 1.14 1.16 1.18 -10 10 30 50 I, [Cephalothin]=0.05 mol L-1 -[E -R T/ nF lo g( Id -I/ I] 0.00 M 0.0005 M 0.001M 0.002 M 0.003 M 0.004 M 0.005 M 0.006 M 0.008 M 0.01 M 0.02 M 0.03 M 1.04 1.06 1.08 1.1 1.12 1.14 1.16 1.18 -10 10 30 50 I , [Doxycycline]=0.025mol L-1 -[E -R T/ nF lo g (Id - I )/I ] 0.00 M 0.0005 M 0.001M 0.002 M 0.003 M 0.004 M 0.005 M 0.006 M 0.008 M 0.01 M 0.02 M 0.03 M 75Ecl. In this system, the concentration of antibiotics varied from 0.5mmol L-1 to 30.0 mmol L-1 at 0.50 mmol L-1 of metal at 0.025 mol L-1and 0.050 mol L-1 of cephalothin and current \u2013 voltage curves were determined at pH 7.30 \u00b1 0.01 at 25.0 0C. The E 1/2 values increased with the addition of [cephalothin] to [M \u2013 antibiotics] showed ternary complex formation.", "mime": "application/pdf"}, {"id": "ecletica-994", "words": "2844", "extension": ".pdf", "flesch": "55", "author": "de Oliveira, Adriana Paiva; Gomes Neto, Jose Anchieta; Ferreira, Marcia Miguel Castro", "title": "Uso da an\u00e1lise explorat\u00f3ria de dados na avalia\u00e7\u00e3o de modificadores qu\u00edmicos para determina\u00e7\u00e3o direta e simult\u00e2nea de metais em \u00e1lcool combust\u00edvel por GFAAS", "date": "2006", "keywords": "an\u00e1lise; combust\u00edvel; dados; dos; foi; foram; mg(no3)2; modificadores; para; pd(no3)2; por; qu\u00edmicos; \u00e1lcool", "summary": "A largura da fenda foi de 0,7 nm e o fluxo de Arg\u00f4nio (99.999%, White Martins) foi de 250 mL.min-1. Como dados experimentais foram utilizados os resultados dos testes de adi\u00e7\u00e3o e recupera\u00e7\u00e3o dos analitos frente aos diferentes modifi- cadores qu\u00edmicos estudados.", "mime": "application/pdf"}, {"id": "ecletica-995", "words": "2509", "extension": ".pdf", "flesch": "69", "author": "da Silva, Lucinei Stechmann; Vicenzi, Raul; Peixoto, Carlos Roberto Menezes", "title": "Efeito do \u00edon malato no processo de oxida\u00e7\u00e3o do \u00e1cido asc\u00f3rbico por oxig\u00eanio molecular catalisado por \u00edons cobre(II)", "date": "2007", "keywords": "asc\u00f3rbico; cobre(ii; com; foi; foram; malato; para; por; \u00e1cido", "summary": "\u00cdons met\u00e1licos presentes como cobalto(III), ferro(III) e cobre(II), tamb\u00e9m podem agir como oxidantes [2-6], ou catalisar a oxida\u00e7\u00e3o por oxig\u00eanio molecular [2,3,7- 11]. Em cada experimento, foram usados volumes de 100 mL de solu\u00e7\u00e3o contendo inicialmente 100 mg de \u00e1cido asc\u00f3rbico (5,68x10-3 mol L-1), tamp\u00e3o malato na concentra\u00e7\u00e3o de 2x10-2 mol L-1 e nitrato de s\u00f3dio 0,1 mol L-1 para controle da for\u00e7a i\u00f4nica.", "mime": "application/pdf"}, {"id": "ecletica-996", "words": "2371", "extension": ".pdf", "flesch": "66", "author": "Lu, J.; Jalbout, Abraham F.; Zhou, Zhongxiang", "title": "Covalent anion of Li(HF) 3-system. An ab initio study", "date": "2007", "keywords": "31++g; anion; li(hf; mev; system", "summary": "Keywords: Li systems; covalent anion; ab initio; electron affinity; vertical detachment energy. In this study Adamowicz and co- workers explored the neutral structure and anions of (HF) 3 - as well as (HF) 4 -.", "mime": "application/pdf"}, {"id": "ecletica-997", "words": "3458", "extension": ".pdf", "flesch": "67", "author": "Ferenc, Wieslawa; Czapla, \u202aKatarzyna; Sarzy\u0144ski, Jan", "title": "Magnetic, thermal and spectral characterization of 2,4-dimethoxybenzoates of Mn(II), Co(II) and Cu(II)", "date": "2007", "keywords": "chem; co(ii; complex; dziewulska; ferenc; mn(ii; walk\u00f3w", "summary": "[17] R. P. Dunlap, N. W. Boaz, and A. J. Mura, U.S. US 5., 512, 589, 30Apr (1996) Sep.,VI, 8 (1996) 231 [19] P. Barraclough, J. W. Black, and D. Cambridge, Eur. J. Med.", "mime": "application/pdf"}, {"id": "ecletica-998", "words": "2441", "extension": ".pdf", "flesch": "65", "author": "Crist\u00f3v\u00e3o, Beata; Ferenc, Wieslawa", "title": "Synthesis and magnetic properties of heteronuclear 3d-4f compound", "date": "2007", "keywords": "chem; compound; magnetic; metal; temperature; water", "summary": "[5] X. M. Chen, M. S. J. Aubin, Y. L. Wu, Y. S. Yang, T. C. W. Mark, D. N. Hendrickson, J. Am. Chem. This decrease could be also caused by the crystal-field effects as well as a cooperative antiferromagnetic interaction of metal ions", "mime": "application/pdf"}, {"id": "ecletica-999", "words": "3511", "extension": ".pdf", "flesch": "61", "author": "Petrovich, Marielsa Businaro; Amorim Filho, Volnei Resta; Gomes Neto, Jos\u00e9 Anchieta", "title": "Direct determination of Calcium in milk by atomic absorption spectrometry using flow-injection analysis", "date": "2007", "keywords": "calcium; dilution; flow; lanthanum; milk; samples; water", "summary": "However, little attention has been given to the use of the FI-FAAS coupling for calcium determination in milk samples without sample preparation. Optimization by factorial design A factorial design with central point, three variables and three levels [low (-1); medium (0) and high (+1)] was done to check the influence of each studied variable and their simultaneous interactions in calcium determination in milk samples (Table 1).", "mime": "application/pdf"}]