Preparation of amperometric glucose biosensor based on 4-mercaptobenzoic acid

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Abstract

A novel glucose biosensor was fabricated by a combination of a self-assembled monolayer (SAM) of 4-mercaptobenzoic acid and the Langmuir-Blodgett (LB) technique. Because of the catalysis of Prussian Blue contained in the LB film layers, the prepared amperometric biosensor worked at a very low potential range around 0.0 V vs. Ag/AgCl. The optimum operating conditions for glucose biosensor were investigated by varying the glucose oxidase immobilization time, the applied potential and the pH of buffer solution. The steady-state current responses of the glucose biosensor showed a good linear relationship to glucose concentrations from 0.1 mM to 154 mM. © 2010 Published by Elsevier B.V.

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Wang, H., Ohnuki, H., Endo, H., & Izumi, M. (2011). Preparation of amperometric glucose biosensor based on 4-mercaptobenzoic acid. In Physics Procedia (Vol. 14, pp. 2–6). Elsevier B.V. https://doi.org/10.1016/j.phpro.2011.05.003

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