主题词：Spectroscopy and Chemometric Analyses; Spectroscopy Techniques in Biomedical and Chemical Research; Water Quality Monitoring and Analysis; Analytical chemistry methods development; Spectroscopy and Laser Applications; Advanced Chemical Sensor Technologies; Analytical Chemistry and Sensors; Laser-induced spectroscopy and plasma; Mass Spectrometry Techniques and Applications; Analytical Chemistry and Chromatography; Spectroscopy and Quantum Chemical Studies; Electrochemical Analysis and Applications; Cultural Heritage Materials Analysis; Gold and Silver Nanoparticles Synthesis and Applications; Thermography and Photoacoustic Techniques; Molecular spectroscopy and chirality; Photochemistry and Electron Transfer Studies; Photonic and Optical Devices; Scientific Measurement and Uncertainty Evaluation; Ion-surface interactions and analysis; Optical Imaging and Spectroscopy Techniques; Photoacoustic and Ultrasonic Imaging; Plasma Diagnostics and Applications; Gas Sensing Nanomaterials and Sensors; Nuclear Physics and Applications