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血红蛋白在纳米金修饰电极上的电化学研究

Electrochemistry behavior study of hemoglabin at gold nanoparticles modified glassy carbon electrodes

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【Author】 ZHANG Min1,CHENG Fa-liang1,CAI Zhi-quan2,YAO Hai-jun1 (1.The Institute of Biosensors,Dongguan University of Technology,Dongguan 523106,China)(2.City college of Dongguan University of Technology,Dongguan 523106,China)

【机构】东莞理工学院生物传感器研究中心；东莞理工学院城市学院；东莞理工学院生物传感器研究中心广东东莞523106；广东东莞523106；

【Abstract】 A carbon glassy electrode modified by gold nanoparticles was prepared.The elect-rochemical behavior of hemoglobin on the modified electrode was investigated and it was found that the modified electrode has an obvious electrocatalytic effects on the hemoglobin.The electrode shows a linear range of ipa(μA)=0.0981+2.7169c for hemoglobin in a HAcNaAc buffer medium of pH 4.6.The relative standard deviation for eight determinations of 1×10-5mol/L hemoglobin is 0.85 %.The modified electrode shows excellent stability and reproducibility.更多还原

【关键词】纳米金；牛血红蛋白；化学修饰电极；
【Key words】 gold nanoparticles； hemoglobin； chemically modified electrode；

【基金】国家自然科学基金项目(20375008,20475001)资助;广东省科技攻关项目(2004B33301024,2005B10301041,2006B12401011)资助;广东省自然科学基金项目(06108856)资助

【文献出处】化学研究与应用 ,Chemical Research and Application , 编辑部邮箱 ,2008年07期

【分类号】O657.1
【被引频次】16
【下载频次】568

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