主题词：Electrochemical sensors and biosensors; Electrochemical Analysis and Applications; Analytical chemistry methods development; Analytical Chemistry and Sensors; Analytical Chemistry and Chromatography; Analytical Methods in Pharmaceuticals; Advanced Chemical Sensor Technologies; Water Quality Monitoring and Analysis; Adsorption and biosorption for pollutant removal; Advanced biosensing and bioanalysis techniques; Molecular Sensors and Ion Detection; Spectroscopy and Chemometric Analyses; Conducting polymers and applications; Extraction and Separation Processes; Pharmacological Effects and Assays; Nanomaterials for catalytic reactions; Dye analysis and toxicity; Effects and risks of endocrine disrupting chemicals; Antibiotics Pharmacokinetics and Efficacy; Pesticide Residue Analysis and Safety; Inorganic and Organometallic Chemistry; Microfluidic and Capillary Electrophoresis Applications; Pharmaceutical and Antibiotic Environmental Impacts; Mercury impact and mitigation studies; Edible Oils Quality and Analysis