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生物传感器是由固定化生物材料与适当的换能器件结合而成。这个换能器件将生化信号转换成定量的电信号。生物分子具有能识别单一化合物或一小族化合物并与之结合的性质,这种识别和结合具有很好的选择性。若将所用的生物材料分类,生物传感器可分为:酶传感器,微生物传感器、免疫传感器、细胞及组织传感
Biosensors are made of immobilized biomaterials combined with appropriate transducer elements. This transducer converts biochemical signals into quantitative electrical signals. Biomolecules have the property of recognizing and binding a single compound or a small group of compounds, and this recognition and combination have good selectivity. If the biological materials used in classification, biosensors can be divided into: enzyme sensors, microbial sensors, immune sensors, cell and tissue sensing