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말호트라,Rahul Singhal,Asha Chaubey,Sandeep K. Sharma,Ashok Kumar 한국물리학회 2005 Current Applied Physics Vol.5 No.2
Rapid advances in biosensors have recently been reported. This has been possible due to rapid growth in the development of newbiomaterials such as conducting polymers, copolymers and sol gels etc and the reported improvements in sensing techniques. Bio-sensors are miniaturized devices employing biochemical molecular recognition as the basis for a selective analysis. The response gen-erated as a result of biochemical reaction is detected by a transducer to give a signal (optical/electrical/thermal) that can be used withor without amplication for the estimation of the concentration of an analyte in a given test sample. Among the various biosensors,electrochemical sensors, especially amperometric biosensors presently hold a leading position.Due to specicity, portability, simplicity, high sensitivity, potential ability for real-time and on-site analysis coupled with thespeed and low cost, biosensors have been projected to have applications in food analysis, environment control, clinical detection,drug and agriculture industries etc. Besides this, biosensors oer exciting opportunities for numerous decentralized clinical applica-tions, ranging from emergency room screening, home self testing and alternative site testing, continuous and real-time in vivo mon-itoring. New generation of biosensors combining new bioreceptors with the ever-growing number of transducers is emerging. Thepresent paper highlights some of the recent advances in the area of biosensors contributed by our laboratory..