Permselectivity of 4-Aminophenol,Paracetanol and Phenacetin on the Self-Assembled n-Alkanethiol Monolayer Modified Gold Electrode

Chemical Research in Chinese Universities ›› 1996, Vol. 12 ›› Issue (4): 340-347.

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Permselectivity of 4-Aminophenol,Paracetanol and Phenacetin on the Self-Assembled n-Alkanethiol Monolayer Modified Gold Electrode

Li Jing-hong, LIU Zhi-ming, DONG Shao-jun, WANG Er-kang

Laboratory of Electroanalytical Chemistry, Changchun inuitute of Applied Chemistry, Chinese Academy of Science, Changchun, 130022

Received:1996-06-06 Online:1996-12-24 Published:2011-08-17
Supported by:
Supported by the National Natural Science Foundation of China.

Abstract

Abstract: 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.

Key words: Permselectivity, Self-assembled monolayer, Hydrophobicity, Phenacetin.Paracetanol, 4-Aminophenol

Li Jing-hong, LIU Zhi-ming, DONG Shao-jun, WANG Er-kang. Permselectivity of 4-Aminophenol,Paracetanol and Phenacetin on the Self-Assembled n-Alkanethiol Monolayer Modified Gold Electrode[J]. Chemical Research in Chinese Universities, 1996, 12(4): 340-347.

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Permselectivity of 4-Aminophenol,Paracetanol and Phenacetin on the Self-Assembled n-Alkanethiol Monolayer Modified Gold Electrode

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