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Fabrication of CeO2 Nanoparticle Modified Glassy Carbon Electrode for Ultrasensitive Determination of Trace Amounts of Uric Acid in Urine
  • ISSN号：1001-604X
  • 期刊名称：《中国化学：英文版》
  • 时间：0
  • 分类：TQ15[化学工程—电化学工业]
  • 作者机构：[1]School of Chemistry and Materials Science, Anhui Normal University, Wuhu, Anhui 241000, China, [2]Department of Chemistry, Wannan Medical College, Wuhu, Anhui 241000, China, [3]Anhui Key Laboratory of Functional Molecular Solids, Wuhu, Anhui 241000, China
  • 相关基金：Project supported by the National Natural Science Foundation of China （No. 20675001）, Anhui Provincial Natural Science Foundation （No. 050460301） and the Science Foundation of Education 0ffice of Anhui Province （Nos. 2006kj145B and 2006kj119B）.
作者： 尉艳[1,2], 李茂国[1,3], 方宾[1,3]
关键词： 电催化, 氧化铈, 纳米颗粒, 修饰电极, 尿酸, electrocatalysis, CeO2 nanoparticle, modified electrode, uric acid
中文摘要：

CeO2 nanoparticles 修改的一个玻璃质的碳电极的准备被描述，它被周期的 voltammetry 和电气化学的阻抗光谱学描绘。在 6.0 缓冲的 pH， CeO2 nanoparticle 修改了电极(CeO2 NP/GC ) 为尿酸(UA ) 的氧化给了一项优秀 electrocatalytic 活动。UA 对它的集中的催化水流在 2.0 的范围有一种好线性关系

英文摘要：

The preparation of a glassy carbon electrode modified by CeO2 nanoparticles was described, which was characterized by cyclic voltammetry and electrochemical impedance spectroscopy. In pH 6.0 buffer, the CeO2 nanoparticle modified electrode （CeO2 NP/GC） gave an excellent electrocatalytic activity for the oxidation of uric acid （UA）. The catalytic current of UA versus its concentration had a good linear relation in the range of 2.0 × 10^-7-5.0 × 10^- 4 mol/L, with the correlation coefficient of 0.9986 and detection limit of 1.0 ×10^-7 mol/L. The modified electrode can be used for the determination of UA in urine, which can tolerate the interference of ascorbic acid up to 1000-fold. The method was simple, quick and sensitive.

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期刊信息
  • 《中国化学：英文版》
  • 主管单位:
  • 主办单位:中国化学会
  • 主编：
  • 地址：上海市枫林路354号中科院上海有机化学研究所
  • 邮编：200032
  • 邮箱：
  • 电话：021-54925243
  • 国际标准刊号：ISSN：1001-604X
  • 国内统一刊号：ISSN：31-1547/O6
  • 邮发代号:4-646
  • 获奖情况:
  • 中国期刊方阵“双高”期刊
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,荷兰文摘与引文数据库,美国科学引文索引（扩展库）,日本日本科学技术振兴机构数据库,英国英国皇家化学学会文摘
  • 被引量:175