Electrochemical behavior and analytical application of ciprofloxacin using a multi-walled nanotube composite film-glassy carbon electrode

Colloids and Surfaces. B, Biointerfaces
Lida Fotouhi, Mahnaz Alahyari

Abstract

A simple, rapid and applicable electrochemical method was developed for the determination of ciprofloxacin (Cf) based on a multi-wall carbon nanotubes film-modified glassy carbon electrode (MWCNT/GCE). The constructed electrode (MWCNT/GCE) exhibited excellent electrocatalytic behavior in the oxidation of Cf as evidenced by the enhancement of the oxidation peak current and the shift in the oxidation potential to lower values (by 130 mV) in comparison with the bare GCE. A detailed analysis of cyclic voltammograms and chronoamperograms gave fundamental electrochemical parameters including the electroactive surface coverage (Gamma), the transfer coefficient (alpha), the standard rate constant (k(s)) and diffusion coefficient (D). Under optimized conditions in voltammetric method, the dynamic linear calibration curve for Cf was obtained in the concentration range of 40-1000 micromol/L with the detection limit of 6 micromol/L. The analytical performance of this sensor has been evaluated for detection of the analyte in urine and serum samples.

References

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Citations

Jul 1, 2014·PloS One·Nil TandoganEdgar D Goluch
Nov 28, 2012·International Journal of Biological Macromolecules·Lida FotouhiMajid M Heravi
Jun 19, 2012·Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy·Qinghai XiaMousheng Liu
Oct 26, 2016·Journal of Hazardous Materials·Yolanda PatiñoKarolien De Wael
Dec 8, 2016·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Jorge M P J GarridoE Manuela P J Garrido
Jun 13, 2018·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Yolanda PatiñoSalvador Ordóñez
Jun 16, 2016·Analytical Sciences : the International Journal of the Japan Society for Analytical Chemistry·Syazana A Lim, Minhaz U Ahmed
Jul 10, 2019·Analytical Sciences : the International Journal of the Japan Society for Analytical Chemistry·Zahid HussainShahnaz Perveen
Jul 4, 2021·Journal of Pharmaceutical and Biomedical Analysis·Atal A S GillRajkumar Patel

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