Analytical Sciences
Online ISSN : 1348-2246
Print ISSN : 0910-6340
ISSN-L : 0910-6340
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Fabrication of a Flexible Biosensor Based on an Organic Field-effect Transistor for Lactate Detection
Tsukuru MINAMIKIShizuo TOKITOTsuyoshi MINAMI
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2019 Volume 35 Issue 1 Pages 103-106

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Abstract

A novel flexible lactate sensor based on organic field-effect transistors (OFETs) is demonstrated. Because lactate is known as a biomarker for assessing our physical performance, wearable lactate sensors could contribute to the monitoring of human health conditions. The flexible and low-voltage operatable OFET possesses an extended-gate modified with enzymes and an osmium-redox polymer for the lactate detection, meaning that the continuous measurement of lactate levels (0 – 10 mM) has been successfully achieved. We believe that insight obtained will open up opportunities for applying OFETs in wearable biosensors.

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© 2019 by The Japan Society for Analytical Chemistry
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