A Novel Glucose Biosensor Based on Palladium Nanoparticles and Its Application in Detection of Glucose Level in Urine

被引：0
作者：
张芬芬
万巧
李陈鑫
朱自强
鲜跃仲
金利通
山本胜信
机构：
[1] Department of Chemistry
[2] East China Normal University
[3] Department of Electronic Engineering
[4] BAS Co
[5] Ltd No-
[6] -Chome
[7] Oshiage
[8] Sumida-Ku Shanghai
[9] China
[10] Shanghai
[11] Tokyo
[12] Japan
来源：
Chinese Journal of Chemistry | 2003年 / 12期
关键词：
palladium nanoparticle; electrocatalyze; hydrogen peroxide; glucose oxidase;
D O I：
暂无
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
A novel glucose biosensor was constructed by electrodeposition of highly dispersed palladium （Pd） nanoparticles on a glassy carbon electrode （GCE）. Atomic force microscopy （AFM） was applied to characterize its surface morphology. Electrodeposited Pd nanoparticles exhibited efficiently electrocatalytic oxidation for hydrogen peroxide （H2O2） with relatively high sensitivity and stability,which was studied by CV technique and Raman spectroscopy,respectively. The GC/Pd/GOD/Nafion system allowed a low working potential of +0.3 V （vs. SCE）. Its signal current was linearly related to the glucose concentration in the range of 1.0×10 -6 —1.2×10 -4 mol·L -1 with a detection limit of 5.0×10 -7 mol·L -1 . The sensor required no special pretreatment to suppress interference from urate and L-ascorbate. It was successfully used in detection of glucose level in human urine with high stability,sensitivity and anti-poisoning ability .
引用
收藏
页码：1619 / 1623
页数：5
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