Electrochemical Polymerised Graphene Paste Electrode and Application to Catechol Sensing

Manjunatha, Jamballi G.

Electrochemical Polymerised Graphene Paste Electrode and Application to Catechol Sensing

Jamballi G. Manjunatha^*

Department of Chemistry, FMKMC College, Madikeri, Mangalore University Constituent College, Karnataka, India

Article Information

Identifiers and Pagination:

Year: 2019
Volume: 13
First Page: 81
Last Page: 87
Publisher ID: TOCENGJ-13-81
DOI: 10.2174/1874123101913010081

Article History:

Received Date: 12/04/2019
Revision Received Date: 28/05/2019
Acceptance Date: 12/06/2019
Electronic publication date: 31/07/2019
Collection year: 2019

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© 2019 Jamballi G. Manjunatha

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

^* Address correspondence to this author at the Department of Chemistry, FMKMC College, Madikeri, Mangalore University Constituent College, Karnataka, India; Tel: +91- 08272228334; E-mail: manju1853@gmail.com

Objective:

To build up an advantageous strategy for sensitive determination of catechol (CC), a poly (proline) modified graphene paste electrode (PPMGPE) was fabricated and used as a voltammetric sensor for the determination of CC.

Methods:

The performance of the modified electrode was studied using cyclic voltammetric (CV) and differential pulse voltammetric method (DPV). The modified electrode was characterized by CV and DPV. The surface of the modified electrode was examined by FESEM. The electrochemical behavior of CC in phosphate buffer solution (pH 7.5) was inspected using bare graphene paste electrode (BGPE) and PPMGPE.

Results & Conclusion:

The PPMGPE shows a lower limit of detection, calculated to be 8.7×10^–7mol L⁻¹ (S/N=3). This modified electrode was applied successfully for the determination of CC in water samples without applying any sample pretreatment.

Keywords: Poly (proline) modified graphene paste electrode, Catechol, Cyclic voltammetry, Water sample analysis, Detection limit.

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RESEARCH ARTICLE

Electrochemical Polymerised Graphene Paste Electrode and Application to Catechol Sensing

Article Information

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Article History:

Article Metrics

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Total Statistics:

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Abstract

Objective:

Methods:

Results & Conclusion:

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Published Contents

About the Editor

About the Journal

The Open Chemical Engineering Journal

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