Editorial iq.unesp.br/ecletica | Vol. 43 | n. 3 | 2018 | Editorial The Editor is pleased to announce the third issue of Eclética Química Journal of 2018, which contains original articles covering different aspects of theoretical, analytical, environmental chemistry and physical-chemistry. In accordance with the scope of EQJ, the following subjects are being presented: the correlation between electronic structure and antitumor activity of a selective focal adhesion kinase (FAK) inhibitors, being the FAK responsible to phosphorylate other enzymes associated with signal transduction and it is found overexpressed in the organism during metastasis; evaluation in vitro antioxidant capacity of Melissa extract and its protective effect on peroxyl radical-induced oxidative damage in erythrocytes; analytical methodology for quantifying personal care products, many of them with biological activity in the aquatic environment; determination of rare-earth elements in phosphogypsum stacks, being the phosphogypsum a by-product of phosphate fertilizer industry known as agricultural gypsum; removal of 5G blue reactive dye by means of biosorption using the rice husk residue as a biosorbent. The Editor and his team wish to express their sincere thanks to the authors and reviewers for their outstanding collaboration. Assis Vicente Benedetti Editor-in-Chief of EQJ http://revista.iq.unesp.br/ojs/index.php/ecletica/index