Direct Electrochemistry of Glucose Oxidase and Biosensing for Glucose Based on Graphene
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- 19 February 2009
- journal article
- case report
- Published by American Chemical Society (ACS) in Analytical Chemistry
- Vol. 81 (6), 2378-2382
- https://doi.org/10.1021/ac802193c
Abstract
We first reported that polyvinylpyrrolidone-protected graphene was dispersed well in water and had good electrochemical reduction toward O2 and H2O2. With glucose oxidase (GOD) as an enzyme model, we constructed a novel polyvinylpyrrolidone-protected graphene/polyethylenimine-functionalized ionic liquid/GOD electrochemical biosensor, which achieved the direct electron transfer of GOD, maintained its bioactivity and showed potential application for the fabrication of novel glucose biosensors with linear glucose response up to 14 mM.Keywords
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