Electrochemical detection of pyrosine with electrochemically reduced graphene oxide modified glassy carbon electrode

被引：0
|
作者：
Yong Kong
Xiaolin Ren
Zongli Huo
Guoxin Wang
Yongxin Tao
Chao Yao
机构：
[1] Changzhou University,School of Petrochemical Engineering
[2] Jiangsu Provincial Center for Disease Prevention and Control,undefined
来源：
European Food Research and Technology | 2013年 / 236卷
关键词：
Pyrosine; Electrochemical detection; Electrochemically reduced graphene oxide; Modified glassy carbon electrode;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Pyrosine detection and quantification was reported by voltammetry with the electrochemically reduced graphene oxide (ERGO) modified glassy carbon electrode (GCE). The differential pulse voltammograms of pyrosine on the modified GCE showed that pyrosine can be sensitively detected, which may be attributed to the large surface area of ERGO and the improved electron transfer ability of ERGO compared to graphene oxide. The effect of supporting electrolyte and its concentration on the detection of pyrosine was also investigated in this paper. The ERGO modified GCE showed a linear concentration range between 1.6 and 374 μmol L−1 of pyrosine with a correlation coefficient of 0.9972, and the detection limit was as low as 1.2 × 10−8 mol L−1 (signal-to-noise ratio of 3).
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页码：955 / 961
页数：6
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