主题词：Magnetism in coordination complexes; Metal complexes synthesis and properties; Lanthanide and Transition Metal Complexes; Metal-Organic Frameworks: Synthesis and Applications; Synthesis and biological activity; Phytochemicals and Antioxidant Activities; Analytical Chemistry and Chromatography; Marine and environmental studies; Chemical Synthesis and Characterization; Free Radicals and Antioxidants; Adsorption and biosorption for pollutant removal; Natural product bioactivities and synthesis; Phytochemistry and Biological Activities; Metal-Catalyzed Oxygenation Mechanisms; Environmental Science and Water Management; Water Quality Monitoring and Analysis; Essential Oils and Antimicrobial Activity; Multicomponent Synthesis of Heterocycles; Synthesis and Characterization of Heterocyclic Compounds; Marine Sponges and Natural Products; Chemical Synthesis and Reactions; Heavy metals in environment; Extraction and Separation Processes; Chemical Reactions and Isotopes; Advanced Chemical Physics Studies