Electrophoretic Deposition of Carbon Nanofibers/Co(OH)2 Nanocomposites: Application for Non-Enzymatic Glucose Sensing

被引:32
作者
Wang, Qian [1 ,2 ]
Ma, Yao [3 ]
Jiang, Xin [3 ]
Yang, Nianjun [3 ]
Coffinier, Yannick [1 ]
Belkhalfa, Hakim [4 ]
Dokhane, Nahed [4 ]
Li, Musen [2 ]
Boukherroub, Rabah [1 ]
Szunerits, Sabine [1 ]
机构
[1] Univ Lille 1, IEMN, UMR CNRS 8520, Ave Poincare,BP 60069, F-59652 Villeneuve Dascq, France
[2] Shandong Univ, Key Lab Liquid Solid Struct Evolut & Proc Mat, Jinan 250061, Peoples R China
[3] Univ Siegen, Inst Mat Engn, Paul Bonatz Str 9-11, D-57076 Siegen, Germany
[4] Univ Boumerdes, Res Unit Mat Proc & Environm URMPE, Boumerdes, Algeria
关键词
electrophoretic deposition; carbon nanofibers; Co(OH)(2); non-enzymatic glucose sensing; NANOSTRUCTURES; COMPOSITES; BIOSENSORS; NANOTUBES; ELECTRODE; SENSORS; GROWTH;
D O I
10.1002/elan.201500417
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
The synthesis of carbon nanofibers (CNFS)/Co(OH)(2) nanocomposites for non-enzymatic electrochemical sensing of glucose is presented. The sensing matrix was fabricated by electrophoretic deposition of a mixture of Co(NO3)(2) and CNFS in ethanol at 50V for 2min onto gold electrodes. The formed CNFS/Co(OH)(2) matrix was characterised by X-ray photoelectron spectroscopy, scanning electron microscopy and cyclic voltammetry. Its electrocatalytic properties towards the oxidation of glucose in 0.1M NaOH were tested. A detection limit of 5 mu M with linearity of 10 mu M to 0.12mM was obtained. The current response was selective towards glucose and stable over time. The good analytical performance of the nanocomposite allowed for sensing glucose in real human serum samples.
引用
收藏
页码:119 / 125
页数:7
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