Nonenzymatic glucose sensor based on graphene oxide and electrospun NiO nanofibers

被引：223

作者：

Zhang, Yingqiu ^{[2
]}

Wang, Yizhe ^{[1
]}

Jia, Jianbo ^{[1
]}

Wang, Jianguo ^{[2
]}

机构：

[1] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Electroanalyt Chem, Changchun 130022, Peoples R China

[2] Liaoning Univ, Coll Chem, Shenyang 110036, Peoples R China

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2012年 / 171卷

基金：

中国国家自然科学基金;

关键词：

Electrospinning; NiO nanofibers; Graphene oxide; Modified electrode; Glucose sensor; CARBON-PASTE ELECTRODE; ELECTROCATALYTIC OXIDATION; ELECTROCHEMICAL SENSORS; FILM ELECTRODE; LARGE-AREA; NANOCOMPOSITE; BIOSENSORS; NANOPARTICLES; COMPOSITE; HYBRID;

D O I：

10.1016/j.snb.2012.05.037

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

We present a glucose sensor by modification of glassy carbon electrode (GCE) with graphene oxide (GO), NiO nanofibers (NiONFs) and Nation (NA). NiONFs were prepared by the facile electrospinning technique followed by calcination. And GO was synthesized by Hummers method. The modified electrode was pretreated by the electrochemical reduction. The sensor was characterized by scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDX), X-ray photoelectron spectroscopy (XPS) and electrochemical impedance spectroscopy (EIS). The sensor exhibited high sensitivity (1100 mu AmM-1 cm(-2)), fast response time (less than 5 s), low detection limit of 0.77 mu M (S/N = 3), long term stability, and excellent anti-fouling ability for glucose determination. The sensor was further applied to detection of glucose in human blood serum sample, and the results accorded with those of commercial test. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：580 / 587

页数：8

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