主题词：Electrochemical sensors and biosensors; Electrochemical Analysis and Applications; Analytical chemistry methods development; Conducting polymers and applications; Adsorption and biosorption for pollutant removal; Advanced Photocatalysis Techniques; Synthesis and biological activity; Analytical Chemistry and Sensors; Nanoparticles: synthesis and applications; Nanomaterials for catalytic reactions; Extraction and Separation Processes; Analytical Chemistry and Chromatography; Computational Drug Discovery Methods; Metal complexes synthesis and properties; Catalytic Processes in Materials Science; Phytochemicals and Antioxidant Activities; Supercapacitor Materials and Fabrication; Advanced biosensing and bioanalysis techniques; TiO2 Photocatalysis and Solar Cells; Molecular Sensors and Ion Detection; Corrosion Behavior and Inhibition; Advanced Nanomaterials in Catalysis; Metal-Organic Frameworks: Synthesis and Applications; Membrane Separation Technologies; Multicomponent Synthesis of Heterocycles