Determination of 4-aminophenol using a glassy carbon electrode modified with a three-dimensionally ordered macroporous film of polycysteine

被引：20
作者：
Wang, Jinshou [1 ]
Shi, Zhen [1 ]
Jin, Jing [1 ]
Liu, Qi [1 ]
Zhang, Shenghui [1 ]
机构：
[1] Hubei Univ Nationalities, Enshi 445000, Hubei, Peoples R China
来源：
MICROCHIMICA ACTA | 2015年 / 182卷 / 3-4期
基金：
中国国家自然科学基金;
关键词：
Macroporous; 4-aminophenol; Electrochemical determination; Electrode; BORON-DOPED DIAMOND; P-AMINOPHENOL; ELECTROCHEMICAL-BEHAVIOR; VOLTAMMETRIC DETERMINATION; INJECTION DETERMINATION; L-CYSTEINE; HYDROQUINONE; PARACETAMOL; OXIDATION; DOPAMINE;
D O I：
10.1007/s00604-014-1393-4
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A three-dimensionally ordered macroporous (3DOM) film of polycysteine (poly-Cys) was used to modify a glassy carbon electrode (GCE) to result in a sensor for 4-aminophenol. The new electrode was used to study the behavior of 4-aminophenol by cyclic voltammetry and differential pulse voltammetry. In comparison to a bare GCE and a GCE modified with poly-Cys without using template, this electrode displays a larger peak current which may be attributed to the structure of poly-Cys and the large surface area of the macroporous structure. The anodic peak current at a working voltage of 195 mV is linearly related to the concentration of 4-aminophenol in two concentration intervals: 0.02 to 20 mu M and 20 to 200 mu M, respectively. The detection limit is 8 nM (at an S/N ratio of 3). The method was successfully applied to the determination of 4-aminophenol in spiked water samples.
引用
收藏
页码：823 / 829
页数：7
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