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Amperometric Hydrogen Peroxide Biosensor Based on Horseradish Peroxidase Immobilized on Fe3O4/Chitosan Modified Glassy Carbon Electrode

✍ Scribed by Xuecai Tan; Jinlei Zhang; Shengwei Tan; Dandan Zhao; Zenwei Huang; Yan Mi; Zaiyin Huang

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
390 KB
Volume
21
Category
Article
ISSN
1040-0397

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## Abstract BACKGROUND: This paper describes a convenient and effective strategy to construct a highly sensitive amperometric biosensor for nitrite (NO~2~^βˆ’^) and hydrogen peroxide (H~2~O~2~). First, Pt nanoparticles (PtNPs) were electrodeposited on a glassy carbon electrode (GCE) surface, which pr