主题词：Enzyme Catalysis and Immobilization; Microbial Metabolic Engineering and Bioproduction; Biofuel production and bioconversion; Enzyme Production and Characterization; Protein Hydrolysis and Bioactive Peptides; Wastewater Treatment and Nitrogen Removal; Microbial Metabolites in Food Biotechnology; Electrochemical sensors and biosensors; Algal biology and biofuel production; Enzyme-mediated dye degradation; Polysaccharides and Plant Cell Walls; Human auditory perception and evaluation; Protein purification and stability; Analytical Chemistry and Chromatography; Viral Infectious Diseases and Gene Expression in Insects; Diverse Scientific and Economic Studies; Educational Robotics and Engineering; Fungal Biology and Applications; Anaerobic Digestion and Biogas Production; Microbial bioremediation and biosurfactants; Microbial Metabolism and Applications; biodegradable polymer synthesis and properties; Microbial Fuel Cells and Bioremediation; Membrane Separation Technologies; Probiotics and Fermented Foods