A uric acid sensor based on electrodeposition of nickel hexacyanoferrate nanoparticles on an electrode modified with multi-walled carbon nanotubes

被引：39
|
作者：
Fang, Bin [1 ]
Feng, Yuehua [1 ]
Wang, Guangfeng [1 ]
Zhang, Cuihong [1 ]
Gu, Aixia [1 ]
Liu, Min [1 ]
机构：
[1] Anhui Normal Univ, Coll Chem & Mat Sci, Anhui Key Lab Chemobiosensing, Wuhu 241000, Peoples R China
来源：
MICROCHIMICA ACTA | 2011年 / 173卷 / 1-2期
基金：
中国国家自然科学基金;
关键词：
Nickel hexacyanoferrate; Multi-walled carbon nanotubes; Uric acid; Cyclic voltammetry; Modified electrode; HIGHLY SELECTIVE DETERMINATION; PRUSSIAN BLUE; ASCORBIC-ACID; ELECTROCHEMICAL PREPARATION; CERAMIC ELECTRODE; OXIDATION; DOPAMINE; BEHAVIOR; FILMS;
D O I：
10.1007/s00604-010-0509-8
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
An electrode sensitive to uric acid was prepared by electrodeposition of nickel(II) hexacyanoferrate(III) on the surface of a glassy carbon electrode modified with multi-walled carbon nanotubes. The morphology of the material was characterized by scanning electron microscopy and Fourier transform infrared spectrometry. The modified electrode were characterized via cyclic voltammetry and amperometry (i - t). It exhibited efficient electron transfer ability and a strong and fast (< 3 s) response towards uric acid which is linear in the range from 0.1 mu M to 18 mu M, with a lower detection limit of 50 nM (at an S/N ratio of 3). In addition, the electrode exhibited good reproducibility and long-term stability.
引用
收藏
页码：27 / 32
页数：6
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