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Vol. 104, Issue 5, April 2009, pp.1-18





Biosensors Development Based on Potential Target of Conducting Polymers


1Ravindra P. Singh and 1,2Jeong-Woo Choi

1Interdisciplinary program of Integrated Biotechnology

2Department of Chemical and Biomolecular Engineering,

Sogang University, 1 Sinsoo-Dong, Mapo-Gu, Seoul 121-742, Korea

Tel.: +82-02-706-9838, fax: +82-02-3273-0331

E-mail: rpsnpl69@gmail.com, jwchoi@sogang.ac.kr



Received: 3 April 2009   /Accepted: 19 May 2009   /Published: 25 May 2009


Abstract: In the present review an attempt has been made to describe the salient features of biosensors with conducting polymers and their wide applications. Biosensors have become indispensable modern-days which offer high performances that are superior to any other diagnostic devices. Conducting polymers (CPs) conduct electricity in their normal state due to the presence of conjugated carbon-carbon bonds. Theses conjugated polymers possess interesting and useful properties due to their delocalized electron systems. The outcome is a material that combines the electrical properties of a semiconductor or a metal with the useful mechanical or other physical properties and processing advantage of a polymer. The use of CPs is being investigated for practical applications in electronic and optoelectronic devices and although stability and processing problems still have to be overcome for worldwide acceptance, the potential for these materials is immense.


Keywords: Biosensors, Conducting polymers, Polyaniline, Polypyrrole, Immunosensor


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