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CuO Nanoparticles as an Amperometric Sensor for Cysteine
Hui Yao 1 *,Jin-Zhong Xu 2,Jun-Jie Zhu 2
1.Nanjin University
2.Nanjing University
*Correspondence author
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Funding: 教育部博士点基金（No.20020284022）
Opened online:20 December 2005
Accepted by: none
Citation: Hui Yao,Jin-Zhong Xu,Jun-Jie Zhu.CuO Nanoparticles as an Amperometric Sensor for Cysteine [OL]. [20 December 2005] http://en.paper.edu.cn/en_releasepaper/content/4507
 
 
CuO nanoparticles with an average size of 5nm have been successfully prepared by microwave irradiation. Nanosized CuO has been found to be more electrocatalytical ability than that of the bulk CuO particles, the oxidation current of the cysteine is enlarged on nanosized copper oxide modified carbon paste electrode. The linear relation between this sampling current and the cysteine concentration is over the range of 10 μM –10 mM with a correlation coefficient of 0.998. The detection limit is 6 μM of cysteine when the signal to noise ration is 3.
Keywords:copper nanoparticles, sensor
 
 
 

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