基于石墨烯分子印迹电化学传感器测定氯霉素

被引：4

作者：

李香俊

王晓娇

李磊磊

段辉敏

罗川南

机构：

[1] 济南大学化学化工学院

来源：

济南大学学报(自然科学版) | 2014年 / 28卷 / 03期

关键词：

氧化石墨烯; 分子印迹; 电化学传感器; 氯霉素; 溶胶-凝胶法;

D O I：

10.13349/j.cnki.jdxbn.2014.03.025

中图分类号：

O657.1 [电化学分析法]; TP212 [发送器（变换器）、传感器];

学科分类号：

070302 ; 081704 ; 080202 ;

摘要：

采用改进的Hummers法合成氧化石墨烯,通过共沉淀作用在氧化石墨烯表面生成磁性Fe3O4纳米微粒,经硅烷化修饰巯基,将金纳米颗粒自组装到复合材料中,得到磁性氧化石墨烯复合金纳米颗粒,将其滴涂在金电极表面,以氯霉素为模板分子,通过溶胶-凝胶法将分子印迹膜修饰到金电极上,制得氯霉素分子印迹电化学传感器,并对制备电化学传感器进行条件优化和电化学性能研究。结果显示,基于石墨烯分子印迹电化学传感器测定氯霉素的线性范围为2.5×10-9～5.0×10-6mol/L,检出限为8.0×10-10mol/L。

引用

页码：170 / 174

页数：5

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