alexa Electrochemical Sensor Based on 2-Benzimidazolethiole M
ISSN: 2167-7956

Journal of Biomolecular Research & Therapeutics
Open Access

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Research Article

Electrochemical Sensor Based on 2-Benzimidazolethiole Modified Carbon Paste Electrode for Lead Chelation Therapy

Sakina Touzara, Rachida Najih and Abdelilah Chtaini*

Equipe d’Electrochimie Moléculaire et Matériaux Inorganique, Faculté des Sciences et Techniques Beni Mellal, Université Sultan Moulay Slimane, Maroc

*Corresponding Author:
Abdelilah Chtaini
Equipe of Molecular Electrochemistry and Inorganic Materials
Faculty of Science and Technology of Beni Mellal, Sultan Moulay Slimane University, Morocco
Tel: +212523485112
Fax: +212523485201
E-mail: [email protected]

Received date: December 26, 2015; Accepted date: January 24, 2016; Published date: February 04, 2016

Citation: Touzara S, Najih R, Chtaini A (2016) Electrochemical Sensor Based on 2-Benzimidazolethiole Modified Carbon Paste Electrode for Lead Chelation Therapy. J Biomol Res Ther 5:137. doi:10.4172/2167-7956.1000137

Copyright: © 2016 Touzara S, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



The performance of organic compounds such as, benzimidazolethiole, modified carbon paste electrode was investigated as an electrochemical sensor in the determination of lead in 0.1m phosphate buffer solution at pH 6. The organic product, 2-benzimidazole thiol, was synthesized in the laboratory to be used as modifier of the carbon paste electrode (CPE), and its complex formation with Pb (II) was studied by square wave voltammetry and cyclic voltammetry. It was found that the organic film modified electrode shows a better performance than the carbon paste electrode (CPE). Under optimal conditions, the electrode showed a good linear response to lead (II). The proposed method was applied for possible chelating agent for heavy metals.


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