A Mediator‐Free Bienzyme Amperometric Biosensor Based on Horseradish Peroxidase and Glucose Oxidase Immobilized on Carbon Nanotube Modified Electrode | Zendy

Yao YanLi | Zendy; Shiu KwokKeung | Zendy

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A Mediator‐Free Bienzyme Amperometric Biosensor Based on Horseradish Peroxidase and Glucose Oxidase Immobilized on Carbon Nanotube Modified Electrode

Author(s) -

Yao YanLi,

Shiu KwokKeung

Publication year - 2008

Publication title -

electroanalysis

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.574

H-Index - 128

eISSN - 1521-4109

pISSN - 1040-0397

DOI - 10.1002/elan.200804297

Subject(s) - horseradish peroxidase , biosensor , glucose oxidase , amperometry , nafion , chemistry , carbon nanotube , peroxidase , electrode , immobilized enzyme , chromatography , nanotechnology , materials science , organic chemistry , electrochemistry , enzyme , biochemistry

Multiwalled carbon nanotube (CNT) modified glassy carbon electrode immobilized with horseradish peroxidase (HRP) in Nafion coating showed direct electron transfer between HRP enzyme and the CNT‐modified electrode. A mediator‐free bienzyme glucose biosensor based on horseradish peroxidase and glucose oxidase was constructed. The bienzyme biosensor exhibited a high sensitivity for glucose detection at zero applied potential.

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