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All-Plastic Electrochemical Transistor for Glucose Sensing Using a Ferrocene Mediator

Abstract : We demonstrate a glucose sensor based on an organic electrochemical transistor (OECT) in which the channel, source, drain, and gate electrodes are made from the conducting polymer poly(3,4-ethylenedioxythiophene) doped with poly(styrene sulfonate) (PEDOT:PSS). The OECT employs a ferrocene mediator to shuttle electrons between the enzyme glucose oxidase and a PEDOT:PSS gate electrode. The device can be fabricated using a one-layer patterning process and offers glucose detection down to the micromolar range, consistent with levels present in human saliva.
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https://hal-emse.ccsd.cnrs.fr/emse-00447490
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Submitted on : Friday, January 15, 2010 - 10:51:01 AM
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Na Shim, Daniel Bernards, Daniel Macaya, John Defranco, Maria Nikolou, et al.. All-Plastic Electrochemical Transistor for Glucose Sensing Using a Ferrocene Mediator. Sensors, MDPI, 2009, 9 (12), pp.9896. ⟨10.3390/s91209896⟩. ⟨emse-00447490⟩

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