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A New Nanostructure Square Wave Voltammetric Platform for Determination of Tert-Butylhydroxyanisole in Food Samples Publisher



Karimi F1 ; Bijad M2 ; Farsi M2 ; Vahid A3 ; Asaribami H2 ; Wen Y4 ; Ganjali MR5, 6
Authors

Source: Current Analytical Chemistry Published:2019


Abstract

Background: Antioxidants are one of the important additives in food samples due to their role in protecting human cells against the effects of free radicals. The analysis of antioxidants is essential due to the role of antioxidants in improving body health. Objective: A square wave voltammetric sensor was fabricated for the determination of tert-butylhydroxyanisole (TBHA) based on the application of CdO/SWCNTs and 1-methyl-3-butylimidazolium chloride as mediators for the modification of carbon paste electrode (MBCl/CdO/SWCNTs/CPE). The MBCl/CdO/SWCNTs/CPE improved the sensitivity of TBHA ~ 6.7 times and showed a linear dynamic range 0.07-600 µM with detection limit 0.02 µA for the analysis of TBHA. The pH investigation confirmed that electro-oxidation of TBHA occurred by exchanging two electrons and two protons. In addition, the MBCl/CdO/SWCNTs/CPE was used for determination of TBHA in food samples. © 2019 Bentham Science Publishers.
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