Permselectivity of 4-aminophenol, paracetanol and phenacetin on the self-assembled n-alkanethiol monolayer modified gold electrode

被引:0
作者
Li, JH [1 ]
Liu, ZM [1 ]
Dong, SJ [1 ]
Wang, EK [1 ]
机构
[1] CHINESE ACAD SCI,CHANGCHUN INST APPL CHEM,ELECTROANALYT CHEM LAB,CHANGCHUN 130022,PEOPLES R CHINA
关键词
permselectivity; self-assembled monolayer; hydrophobicity; phenacetin; paracetanol; 4-aminophenol;
D O I
暂无
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The gold electrodes coated by n-alkanethiol with various chain lengths were used to study the permeability of uric acid, ascorbic acid, 4-aminophenol, paracetanol and phenacetin by means of linear sweep voltammetry. The results show that the optimum chain length is n=10. The improvements in the selectivity and the stability of the amperometric detection of these compounds in a flow stream were obtained by n-alkanethiol self assembled monolayers modified electrodes based on their differences in the hydrophobicity and the permeability.
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页码:340 / 347
页数:8
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