Applications of Nanobiosensor in Biomedical Field Research Progress on the Detection Methods of D-amino Acids Application Progress of Aptamers in the Detection of Food-borne Pathogenic Bacteria Research Progress on Biosensors for Antibiotic Detection Peptide aptamers: The versatile role of specific protein function inhibitors in plant biotechnology Development of Heavy Metal Ions Detection Biosensors Salicylic Acid and Its Function in Plant Immunity