主题词：Analytical Methods in Pharmaceuticals; Analytical Chemistry and Chromatography; Antibiotics Pharmacokinetics and Efficacy; Essential Oils and Antimicrobial Activity; Analytical Chemistry and Sensors; Analytical chemistry methods development; Electrochemical sensors and biosensors; Electrochemical Analysis and Applications; Phytochemistry and Biological Activities; Pesticide Residue Analysis and Safety; Phytochemicals and Antioxidant Activities; Pharmacological Effects and Assays; Natural product bioactivities and synthesis; Computational Drug Discovery Methods; Synthesis and biological activity; Adsorption and biosorption for pollutant removal; Drug Solubulity and Delivery Systems; Advanced Chemical Sensor Technologies; Advanced Drug Delivery Systems; Molecular Sensors and Ion Detection; Mass Spectrometry Techniques and Applications; Nanomaterials for catalytic reactions; Nanoparticles: synthesis and applications; Spectroscopy and Chemometric Analyses; Extraction and Separation Processes