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Electrochemical biosensor based on graphene oxide–Au nanoclusters composites for l-cysteine analysis

✍ Scribed by Shenguang Ge; Mei Yan; Juanjuan Lu; Meng Zhang; Feng Yu; Jinghua Yu; Xianrang Song; Shilin Yu

Book ID
113494084
Publisher
Elsevier Science
Year
2012
Tongue
English
Weight
920 KB
Volume
31
Category
Article
ISSN
0956-5663

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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‐