Sensors 2008, 8(1), 118-141; doi:10.3390/s8010118
Electrochemical Sensors Based on Organic Conjugated Polymers
Department of Chemistry and Center for Innovative Bio.Physio Sensor Technology, Pusan National University, Keumjeong-ku, Busan 609-735, South Korea
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Received: 29 October 2007 / Accepted: 4 January 2008 / Published: 9 January 2008
(This article belongs to the Special Issue Electrochemical Sensors Based on Conductive Polymers)
Abstract
Organic conjugated polymers (conducting polymers) have emerged as potentialcandidates for electrochemical sensors. Due to their straightforward preparation methods,unique properties, and stability in air, conducting polymers have been applied to energystorage, electrochemical devices, memory devices, chemical sensors, and electrocatalysts.Conducting polymers are also known to be compatible with biological molecules in aneutral aqueous solution. Thus, these are extensively used in the fabrication of accurate,fast, and inexpensive devices, such as biosensors and chemical sensors in the medicaldiagnostic laboratories. Conducting polymer-based electrochemical sensors and biosensorsplay an important role in the improvement of public health and environment because rapiddetection, high sensitivity, small size, and specificity are achievable for environmentalmonitoring and clinical diagnostics. In this review, we summarized the recent advances inconducting polymer-based electrochemical sensors, which covers chemical sensors(potentiometric, voltammetric, amperometric) and biosensors (enzyme based biosensors,immunosensors, DNA sensors).Keywords:
Organic Conjugated Polymer; Electrochemical Methods; Chemical Sensors; Gas Sensors; Biosensors; Immunosensors; DNA Sensors; Potentiometry; Amperometry; Impedance
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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MDPI and ACS Style
Rahman, M.A.; Kumar, P.; Park, D.-S.; Shim, Y.-B. Electrochemical Sensors Based on Organic Conjugated Polymers. Sensors 2008, 8, 118-141.