A novel high selective and sensitive para-nitrophenol voltammetric sensor, based on a molecularly imprinted polymer-carbon paste electrode

被引：140

作者：

Alizadeh, Taher ^{[1
]}

Ganjali, Mohammad Reza ^{[2
,3
]}

Norouzi, Parviz ^{[2
,3
]}

Zare, Mashallah ^{[2
]}

Zeraatkar, Ali ^{[2
]}

机构：

[1] Univ Mohaghegh Ardabili, Dept Appl Chem, Fac Sci, Ardebil, Iran

[2] Univ Tehran, Ctr Excellence Electrochem, Fac Chem, Tehran, Iran

[3] Med Sci Univ Tehran, Endocrinol & Metab Res Ctr, Tehran, Iran

来源：

TALANTA | 2009年 / 79卷 / 05期

关键词：

Para-nitrophenol; Molecularly imprinted polymer; Voltammetric sensor; Carbon paste electrode; LIQUID-CHROMATOGRAPHY; P-NITROPHENOL; ELECTROCHEMICAL DETECTION; TRACE DETERMINATION; WATER SAMPLES; 4-NITROPHENOL; BEHAVIOR; PHENOLS; MERCURY; URINE;

D O I：

10.1016/j.talanta.2009.02.051

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

By using a molecularly imprinted polymer (MIP) as a recognition element, the design and construction of a high selective voltammetric sensor for para-nitrophenol was formed. Para-nitrophenol selective MIP and a non-imprinted polymer (NIP) were synthesized, and then used for carbon paste (CP) electrode preparation. The MIP-CP electrode showed greater recognition ability in comparison to the NIP-CP It was shown that electrode washing after para-nitrophenol extraction led to enhanced selectivity, without noticeably decreasing the sensitivity. Some parameters affecting sensor response were optimized and a calibration curve was plotted. A dynamic linear range of 8 x 10(-9) to 5 x 10(-6) mol L-1 was obtained. The detection limit of the sensor was calculated as 3 x 10(-9) mol L-1. Thus, this sensor was used successfully for the para-nitrophenol determination in different water samples. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：1197 / 1203

页数：7

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