基于Fe3O4-MWCNTs/Au NPs修饰玻碳电极构建的双酚A传感器  

Bisphenol A Sensor Based on Fe3O4-MWCNTs/Au NPs Modified Glassy Carbon Electrode

作　　者：黄小洲 叶圣杰 叶瑞洪 陈盛[2,3] 黄迪惠 HUANG Xiaozhou;YE Shengjie;YE Ruihong;CHEN Sheng;HUANG Dihui(College of Life Sciences,Fujian Normal University,Fuzhou,Fujian 350117,China;Fuqing Branch of Fujian Normal University,School of Ocean Science and Biochemical Engineering,Fuqing,Fujian 350300,China;Fuqing Branch of Fujian Normal University,Fujian University Key Laboratory of Measurement and Control System for Offshore Environment,Fuqing,Fujian 350300,China)

机构地区：[1]福建师范大学生命科学学院,福建福州350117 [2]福建师范大学福清分校海洋与生化工程学院,福建福清350300 [3]福建师范大学福清分校近海流域环境测控治理福建省高校重点实验室,福建福清350300

出　　处：《福建师大福清分校学报》2019年第5期65-73,共9页Journal of Fuqing Branch of Fujian Normal University

基　　金：福建省自然科学基金(2018J01675);福建省应用型学科建设项目

摘　　要：基于多壁碳纳米管复合纳米四氧化三铁/纳米金修饰玻碳电极,构筑了一种简单灵敏的双酚A电化学传感器.磁性的四氧化三铁纳米颗粒原位生成在多壁碳纳米管表面形成复合材料,再与纳米金颗粒组合修饰玻碳电极.该复合材料修饰玻碳电极与裸电极相比,这种新型的高导电、高比表面积的材料可以明显提高电化学反应中的电流响应.该方法操作快速、简便、灵敏度高、选择性好,并用该法检测食品包装中迁移的双酚A,其加标回收率为91.1%~103.9%.A simple and sensitive bisphenol A electrochemical sensor was constructed based on multi-walled carbon nanotube composite Fe3O4 NPs/Au NPs modified glassy carbon electrode.The magnetic ferroferric oxide nanoparticles are formed in situ to form a composite material on the surface of the multi-walled carbon nanotubes,and then combined with the Au NPs to modify the glassy carbon electrode.Compared with the bare electrode,the composite material modified glassy carbon electrode,which has a novel high conductivity and high specific surface area,can significantly improve the current response in the electrochemical reaction.The method is fast,simple,sensitive and selective.When it is used to detect the migration of bisphenol A in food packaging,the recovery rate experiment is 91.1%~103.9%.

关 键 词：多壁碳纳米管 纳米四氧化三铁 纳米金 双酚A 电化学传感器 

分 类 号：O646[理学—物理化学]