Preparation of Amino-hydrotalcite Like Modified Electrode and Its Electrochemical Disinfection

doi:10.3724/SP.J.1095.2011.00445

Chinese Journal of Applied Chemistry ›› 2011, Vol. 28 ›› Issue (06): 699-703.DOI: 10.3724/SP.J.1095.2011.00445

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Preparation of Amino-hydrotalcite Like Modified Electrode and Its Electrochemical Disinfection

LIU Chunxiu, WANG Ping, ZHAO Jingjing, CHEN Quanpeng, AI Shiyun^*

(College of Chemistry and Material Science,Shandong Agricultural University,Tai′an 271018)

Received:2010-08-02 Revised:2010-09-15 Published:2011-06-10 Online:2011-06-10

Abstract

Abstract:

Amino-hydrotalcite like compound(Mg/Al-NH2-HTLc) was prepared by Mg/Al-hydrotalcite like compounds by intercalating sodium dodecyl sulfate(Mg/Al-SDS-HTLc) followed by condensation reactions with hexadecyltrimethyl ammonium bromide(CTAB) and (3-aminopropyl)triethoxysilane(APS). Then, it was used to modify graphite electrode for the adsorption of Escherichia Coli(E.coli). Cyclic voltammetry(CV) was used to investigate the disinfection of the modified electrode. The result showed that the germicidal efficiency could reach to 98.68% and the possible disinfection mechanism might be the oxidation of the substance(such as guanine) within the membrane of E.coli.

Key words: Amino-Hydrotalcite Like, Modified Electrode, Escherichia Coli, Disinfection

CLC Number:

O648

LIU Chunxiu, WANG Ping, ZHAO Jingjing, CHEN Quanpeng, AI Shiyun*. Preparation of Amino-hydrotalcite Like Modified Electrode and Its Electrochemical Disinfection[J]. Chinese Journal of Applied Chemistry, 2011, 28(06): 699-703.

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Preparation of Amino-hydrotalcite Like Modified Electrode and Its Electrochemical Disinfection

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