主题词：Natural product bioactivities and synthesis; Phytochemistry and Biological Activities; Synthesis and biological activity; Advanced Photocatalysis Techniques; Adsorption and biosorption for pollutant removal; Electrochemical Analysis and Applications; Computational Drug Discovery Methods; Synthesis and Characterization of Heterocyclic Compounds; Conducting polymers and applications; biodegradable polymer synthesis and properties; Marine Sponges and Natural Products; Nanomaterials for catalytic reactions; Polymer Nanocomposites and Properties; Nanoparticles: synthesis and applications; Essential Oils and Antimicrobial Activity; Advancements in Battery Materials; Metal complexes synthesis and properties; Analytical Chemistry and Sensors; Covalent Organic Framework Applications; Microbial Natural Products and Biosynthesis; TiO2 Photocatalysis and Solar Cells; Phytochemicals and Antioxidant Activities; Electrochemical sensors and biosensors; Corrosion Behavior and Inhibition; Polymer composites and self-healing