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Benzoquinone-mediated enzyme biosensor for amperometric determination of glucose

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Abstract

An amperometric enzyme sensor for the analysis of glucose is described. The sensor uses benzoquinone as a mediator for electron transfer between immobilized glucose oxidase and a pyrolytic graphite electrode. A linear current response, proportional to glucose concentration in the range 1–50mM, is observed. The influence of oxygen,pH and operating potential on the sensor performance is examined.

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Authors and Affiliations

  1. Department of Chemistry, Indian Institute of Technology, 110 016, New Delhi, India

    A S N Murthy & Jyotsna Sharma

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  1. A S N Murthy
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  2. Jyotsna Sharma
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Correspondence to A S N Murthy.

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Murthy, A.S.N., Sharma, J. Benzoquinone-mediated enzyme biosensor for amperometric determination of glucose. Proc. Indian Acad. Sci. (Chem. Sci.) 109, 295–301 (1997). https://doi.org/10.1007/BF02872567

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  • DOI: https://doi.org/10.1007/BF02872567

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