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Sensors 2014, 14(2), 3604-3630; doi:10.3390/s140203604

Conducting Polymer-Based Nanohybrid Transducers: A Potential Route to High Sensitivity and Selectivity Sensors

1,*  and 3,4,*
1 School of Chemical and Biological Engineering, Seoul National University, Seoul 151-742, Korea 2 Department of Chemical and Environmental Engineering, School of Engineering and Applied Science, Yale University, New Haven, CT 06511, USA 3 Department of Polymer Engineering, Graduate School, Chonnam National University, Gwangju 500-757, Korea 4 Alan G. MacDiarmid Energy Research Institute, School of Polymer Science and Engineering, College of Engineering, Chonnam National University, Gwangju 500-757, Korea These authors contributed equally to this work.
* Authors to whom correspondence should be addressed.
Received: 15 January 2014 / Revised: 11 February 2014 / Accepted: 12 February 2014 / Published: 20 February 2014
(This article belongs to the Special Issue Inorganic-Organic Hybrid Biological and Chemical Sensors)
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The development of novel sensing materials provides good opportunities to realize previously unachievable sensor performance. In this review, conducting polymer-based nanohybrids are highlighted as innovative transducers for high-performance chemical and biological sensing devices. Synthetic strategies of the nanohybrids are categorized into four groups: (1) impregnation, followed by reduction; (2) concurrent redox reactions; (3) electrochemical deposition; (4) seeding approach. Nanocale hybridization of conducting polymers with inorganic components can lead to improved sorption, catalytic reaction and/or transport behavior of the material systems. The nanohybrids have thus been used to detect nerve agents, toxic gases, volatile organic compounds, glucose, dopamine, and DNA. Given further advances in nanohybrids synthesis, it is expected that sensor technology will also evolve, especially in terms of sensitivity and selectivity.
Keywords: conducting polymer; nanohybrids; transducers; chemical sensors; biosensors conducting polymer; nanohybrids; transducers; chemical sensors; biosensors
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Park, S.J.; Kwon, O.S.; Lee, J.E.; Jang, J.; Yoon, H. Conducting Polymer-Based Nanohybrid Transducers: A Potential Route to High Sensitivity and Selectivity Sensors. Sensors 2014, 14, 3604-3630.

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