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In Situ One-Step Electrochemical Preparation of Graphene Oxide Nanosheet-Modified Electrodes for Biosensors

✍ Scribed by Dr. Fanwu Zeng ; Prof. Zhenhua Sun; Xiaoguang Sang; Prof. Dermot Diamond; Prof. King Tong Lau; Prof. Xiaoxia Liu; Prof. Dang Sheng Su


Publisher
Wiley (John Wiley & Sons)
Year
2011
Tongue
English
Weight
776 KB
Volume
4
Category
Article
ISSN
1864-5631

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## Abstract Herein, we describe a new method for the detection of hydrogen peroxide (H~2~O~2~) in food by using an electrochemical biosensor. Initially, ultrafine gold nanoparticles dispersed on graphene oxide (AuNP‐GO) were synthesized by the redox reaction between AuCl~4~^−^ and GO, and thionine‐