分子印迹电化学传感器的制备及其对啶虫脒的响应特性

doi:10.61558/2993-074X.2848

电化学（中英文） ›› 2011, Vol. 17 ›› Issue (3): 323-328. doi: 10.61558/2993-074X.2848

分子印迹电化学传感器的制备及其对啶虫脒的响应特性

刘斌*, 黄咏星，连惠婷，吴红梅

华侨大学材料科学与工程学院，福建厦门 361021

收稿日期:2011-04-14 修回日期:2011-06-02 出版日期:2011-08-28 发布日期:2011-06-09
通讯作者: 刘斌 E-mail:bliu@hqu.edu.cn
基金资助:
国家自然科学基金（No. 20955001）、福建省国际合作重点项目（No. 2006I0021）、福建省自然科学基金（No. D0810016）和华侨大学侨办科研基金（No.10QZR13）

Preparations and Characters for Acetamiprid of Molecular Imprinted Polymer Electrochemical Sensors

LIU Bin*, HUANG Yong-xing, LIAN Hui-ting, WU Hong-mei

College of Material Science and Engineering, Huaqiao University, Xiamen 361021, Fujian, China

Received:2011-04-14 Revised:2011-06-02 Published:2011-08-28 Online:2011-06-09
Contact: LIU Bin E-mail:bliu@hqu.edu.cn

摘要/Abstract

摘要： 应用恒电位沉积法制备了以壳聚糖为功能基体，啶虫脒为模板分子、戊二醛为交联剂的印迹膜电极，并构建印迹传感器。借助阳离子指示探针Ru(NH3)6Cl3，研究该印迹传感器的电化学响应特性及其对模板分子啶虫脒的分子识别性能。结果表明，印迹传感器具有良好的印迹效果，相较于结构类似物如吡虫啉等，对啶虫脒有较高的结合速率和特异性识别能力，且在啶虫脒浓度为1.0 × 10-7 ~ 2.0 × 10-5 mol/L范围内呈线性响应，为农药残留物中啶虫脒的选择性分析提供新的思路。

关键词: 分子印迹, 电化学传感器, 壳聚糖, 啶虫脒

Abstract: A novel molecularly imprinted membranes electrochemical sensor with good memory capacity to acetamiprid was developed. Based on electrodeposition technique, chitosan was deposited onto the surface of gold electrode as a functional polymer matrix along with aimed molecules acetamiprid and glutaraldehyde as a crosslinking agent. Cationic probe Ru(NH3)6Cl3 was employed to indirectly investigate the electrochemical characteristics as well as the imprinted effect of the sensors. The results showed that the sensors had a specific recognition to acetamiprid compared to the structural similarity midacloprid and other pesticide. There is more sensitive response to acetamiprid at imprinted sensors than that at nonprinted sensors with a good linearity over the concentration range of 1.0 × 10-7 ~ 2.0 × 10-5 mol/L. The prepared sensors can be exploited for the separation and analysis performing simultaneously to acetamiprid in the pesticide residue samples.

Key words: molecular imprinting, electrochemical sensor, chitosan, acetamiprid

中图分类号:

中图分类号：O657

刘斌, 黄咏星, 连惠婷, 吴红梅. 分子印迹电化学传感器的制备及其对啶虫脒的响应特性[J]. 电化学（中英文）, 2011, 17(3): 323-328.

LIU Bin, HUANG Yong-Xing, LIAN Hui-Ting, WU Hong-Mei. Preparations and Characters for Acetamiprid of Molecular Imprinted Polymer Electrochemical Sensors[J]. Journal of Electrochemistry, 2011, 17(3): 323-328.

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https://electrochem.xmu.edu.cn/CN/Y2011/V17/I3/323

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分子印迹电化学传感器的制备及其对啶虫脒的响应特性

Preparations and Characters for Acetamiprid of Molecular Imprinted Polymer Electrochemical Sensors

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