主题词：Synthesis and biological activity; Inorganic and Organometallic Chemistry; Synthesis and Characterization of Heterocyclic Compounds; Metal complexes synthesis and properties; Analytical Chemistry and Chromatography; Multicomponent Synthesis of Heterocycles; Analytical Methods in Pharmaceuticals; Chemical Synthesis and Reactions; Thermal and Kinetic Analysis; Adsorption and biosorption for pollutant removal; Water Quality Monitoring and Analysis; Synthesis and Biological Evaluation; Analytical chemistry methods development; Water Quality and Pollution Assessment; Synthesis and Reactions of Organic Compounds; Nanoparticles: synthesis and applications; Electrochemical Analysis and Applications; Essential Oils and Antimicrobial Activity; Computational Drug Discovery Methods; Organometallic Compounds Synthesis and Characterization; Nanomaterials for catalytic reactions; Analytical Chemistry and Sensors; Extraction and Separation Processes; Synthesis of Organic Compounds; Corrosion Behavior and Inhibition