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Reference type: Journal
Authors: Choong CL, Milne WI
Article Title: Dynamic modulation of detection window in conducting polymer based biosensors.
Publication date: 2010
Journal: Biosensors and Bioelectronics
Volume: 25
Issue: (10)
Page numbers: 2384-2388.
DOI: 10.1016/j.bios.2010.03.023
Alternative URL: http://www.sciencedirect.com/science/article/B6TFC-4YNT452-1/2/b1716e7c459a2e0e3f074941b3f55319

Abstract: Here we demonstrate a novel application that employs the ion exchange properties of conducting polymers (CP) to modulate the detection window of a CP based biosensor under electrical stimuli. The detection window can be modulated by electrochemically controlling the degree of swelling of the CP associated with ion transport in and out of the polymer. We show that the modulation in the detection window of a caffeine imprinted polypyrrole biosensor, and by extension other CP based biosensors, can be achieved with this mechanism. Such dynamic modulation in the detection window has great potential for the development of smart biosensors, where the sensitivity of the sensor can be dynamically optimized for a specific test solution
Template and target information: caffeine
Author keywords: biosensor, conducting polymer, Tunable detection window, molecular imprinted polymer, Electrical stimuli

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