Direct proteins electrochemistry based on ionic liquid mediated carbon nanotube modified glassy carbon electrode

CORC > 北京大学 > 化学与分子工程学院

	Direct proteins electrochemistry based on ionic liquid mediated carbon nanotube modified glassy carbon electrode
	Zhao Qiang ; Zhan Dongping ; Ma Hongyang ; Zhang Meiqin ; Zhao Yifang ; Jing Ping ; Zhu Zhiwei ; Wan Xinhua ; Shao Yuanhua ; Zhuang Qiankun
刊名	frontiers in bioscience a journal and virtual library
	2005
英文摘要	A novel glassy carbon electrode modified by a gel containing multi-walled carbon nanotubes (MWNTs) and ionic liquid of 1-butyl-3-methylimidazolium hexafluorophosphate (BMIPF6) is reported. The gel is formed by grinding of MWNTs and BMIPF6. Such gel is then coated on the surface of a glassy carbon electrode. We have employed scanning electron microscopy, Fourier transform infrared spectrometry (FTIR) and cyclic voltammetry to characterize the modified electrode. The direct electron transfers of hemoglobin and catalase on the modified electrode have been observed and studied in detail electrochemically. Hemoglobin is verified to be adsorbed on the modified electrode with the retention of conformation, which has been proved by microscopic FTIR. The electrochemical response of the adsorbed hemoglobin on the modified electrode is very stable, and shows repeated changes in the different pH solutions. It also has shown electrocatalysis to the reduction of oxygen and trichloroacetic acid. Catalase adsorbed on the gel modified electrode still keep activity to hydrogen peroxide. This work provides a simple and easy approach to construct biosensors based on the carbon nanotubes and ionic liquids.; SCI(E); PubMed; 0; ARTICLE; 326-34; 10
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/346479]
专题	化学与分子工程学院
推荐引用方式 GB/T 7714	Zhao Qiang,Zhan Dongping,Ma Hongyang,et al. Direct proteins electrochemistry based on ionic liquid mediated carbon nanotube modified glassy carbon electrode[J]. frontiers in bioscience a journal and virtual library,2005.
APA	Zhao Qiang.,Zhan Dongping.,Ma Hongyang.,Zhang Meiqin.,Zhao Yifang.,...&Zhuang Qiankun.(2005).Direct proteins electrochemistry based on ionic liquid mediated carbon nanotube modified glassy carbon electrode.frontiers in bioscience a journal and virtual library.
MLA	Zhao Qiang,et al."Direct proteins electrochemistry based on ionic liquid mediated carbon nanotube modified glassy carbon electrode".frontiers in bioscience a journal and virtual library (2005).