主题词：Analytical Methods in Pharmaceuticals; Synthesis and biological activity; Analytical Chemistry and Chromatography; Antibiotics Pharmacokinetics and Efficacy; Adsorption and biosorption for pollutant removal; Computational Drug Discovery Methods; Electrochemical sensors and biosensors; Analytical chemistry methods development; Analytical Chemistry and Sensors; Synthesis and Characterization of Heterocyclic Compounds; Multicomponent Synthesis of Heterocycles; Pesticide Residue Analysis and Safety; Synthesis and Biological Evaluation; Pharmacological Effects and Assays; Metal complexes synthesis and properties; Phytochemicals and Antioxidant Activities; Click Chemistry and Applications; Advanced Photocatalysis Techniques; Electrochemical Analysis and Applications; Nanoparticles: synthesis and applications; Nanomaterials for catalytic reactions; Graphene and Nanomaterials Applications; Metal-Organic Frameworks: Synthesis and Applications; Ionic liquids properties and applications; Cancer therapeutics and mechanisms