A Novel Cholesterol Oxidase Biosensor Based on Pt-nanoparticle/Carbon Nanotube Modified Electrode

查看全文 作　　者：Qiao Cui [1]SHI;Tu Zhi [1]PENG

机构地区：[1]Department of Chemistry, Xixi Campus, Zhejiang University, Hangzhou 310028

出　　处：《Chinese Chemical Letters》索引2005年第16卷第8期,共4页

基　　金：The project is supported by the National Natural Science Foundation of China(29975024,202750-34);Key Project of Science and Technology of Zhejiang Province(2003C21024).The authors acknowledge the Instrumental Analysis Center of Zhejiang University for special measurements. 摘　　要：A Pt-nanoparticle/carbon nanotube modified graphite electrode immobilized with cholesterol oxidase/sol-gel layer was developed for monitoring cholesterol. Using this electrode, cholesterol concentration (4.0×10-6 to 1.0×10-4 mol/L) could be determined accurately in the presence of ascorbic or uric acid, and the response time was rapid (< 20 s). This biosensor has high sensitivity and selectivity. 关键词：生物传感器胆固醇 PT 纳米粒子电极碳纳米管

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A Novel Cholesterol Oxidase Biosensor Based on Pt-nanoparticle/Carbon Nanotube Modified Electrode

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