主题词：Analytical chemistry methods development; Electrochemical Analysis and Applications; Analytical Chemistry and Sensors; Analytical Chemistry and Chromatography; Electrochemical sensors and biosensors; Advanced biosensing and bioanalysis techniques; Advanced Chemical Sensor Technologies; Mass Spectrometry Techniques and Applications; Biosensors and Analytical Detection; Microfluidic and Capillary Electrophoresis Applications; Spectroscopy and Chemometric Analyses; Radioactive element chemistry and processing; Diverse Scientific and Economic Studies; Molecular Sensors and Ion Detection; Human auditory perception and evaluation; Educational Robotics and Engineering; Water Quality Monitoring and Analysis; Pesticide Residue Analysis and Safety; Metabolomics and Mass Spectrometry Studies; Advanced Nanomaterials in Catalysis; Inorganic and Organometallic Chemistry; Analytical Methods in Pharmaceuticals; Extraction and Separation Processes; Conducting polymers and applications; Mercury impact and mitigation studies