Summary iq.unesp.br/ecletica | Vol. 45 | n. 4 | 2020 | SUMMARY EDITORIAL BOARD ............................................................................................................................................. 3 EDITORIAL ......................................................................................................................................................... 4 DATABASE ......................................................................................................................................................... 5 INSTRUCTIONS FOR AUTHORS ......................................................................................................................... 6 ORIGINAL ARTICLES Relaxation parameters of water molecules coordinated with Gd(III) complexes and hybrid materials based on δ-FeOOH (100) nanoparticles: A theoretical study of hyperfine inter-actions for CAs in MRI ............... 12 Mateus Aquino Gonçalves, Teodorico Castro Ramalho 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 ........................................................................................................................... 21 Ana Marta Cavinato Marchini Rolisola, Amauri Antônio Menegário, 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 Schrödinger equation with energy-dependent screened Coulomb potential in D – dimensions ................................................................................................................................................. 40 Uduakobong Sunday Okorie, Akpan Ndem Ikot, Precious Ogbonda Amadi, Alalibo Thompson Ngiangia, Etebong E. Ibekwe TECHNICAL NOTE Electrochemical noise analysis to obtain the Rsn value via FFT using Excel ................................................ 57 Sidineia Barrozo, Riberto Nunes Peres, Marcus José Witzler, Assis Vicente Benedetti, Cecílio Sadao Fugivara http://revista.iq.unesp.br/ojs/index.php/ecletica/index