Voltammetric Determination of Flunixin on Molecularly Imprinted Polypyrrole Modified Glassy Carbon ElectrodeReport as inadecuate




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Journal of Analytical Methods in Chemistry - Volume 2016 2016, Article ID 5296582, 7 pages -

Research Article

Department of Chemistry, Faculty of Science, Damietta University, Damietta 34517, Egypt

Department of Chemistry, Faculty of Science, Suez Canal University, El-Arish 45111, Egypt

Received 23 February 2016; Revised 5 April 2016; Accepted 18 April 2016

Academic Editor: Sibel A. Ozkan

Copyright © 2016 Abd-Elgawad Radi et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

A novel electrochemical sensing approach, based on electropolymerization of a molecularly imprinted polypyrrole MIPpy film onto a glassy carbon electrode GCE surface, was developed for the detection of flunixin FXN. The sensing conditions and the performance of the constructed sensor were assessed by cyclic, differential pulse and DPV square wave voltammetry SWV. The sensor exhibited high sensitivity, with linear responses in the range of 5.0 to 50.0 µM with detection limits of 1.5 and 1.0 µM for DPV and SWV, respectively. In addition, the sensor showed high selectivity towards FXN in comparison to other interferents. The sensor was successfully utilized for the direct determination of FXN in buffalo raw milk samples.





Author: Abd-Elgawad Radi, Nadia Abd El-Ghany, and Tarek Wahdan

Source: https://www.hindawi.com/



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