Signal Transduction
Electrochemical Amperometric; Conductometric; Impidometric; Potentiometric
Optical Absorption; Fluorescence/phosphorescence; Bio/chemiluminescence; Reflectance; Raman scattering; Refractive index
Mass sensitive Surface acoustic wave biosensors; Cantilever biosensors; Piezoelectric biosensors
Thermometric Calorimetric biosensors
Recognition molecule
Antibodies Monoclonal; Polyclonal
Protein receptors Metatropic receptors; Ionotropic receptors
Whole cells Microbial sensors; Mammalian cells; Tissues; Bacterial endospores
Nucleic acids Hybridization; Low weight compound interaction
Enzymes  
Table 1: Classification of biosensors.