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Iranian Journal of Chemistry and Chemical Engineering، جلد ۴۰، شماره ۴، صفحات ۱۰۳۰-۱۰۴۱
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عنوان انگلیسی Electrochemical Sensor Based on Nanocomposite of Multi-Walled Carbon Nano-Tubes (MWCNTs)/TiO2/Carbon Ionic Liquid Electrode Analysis of Acetaminophen in Pharmaceutical Formulations
چکیده انگلیسی مقاله This study aimed at preparing a Carbon Ionic Liquid Electrode (CILE) modified with a new composite of Multi-Walled Carbon Nano-Tubes (MWCNTs) and TiO2 nanoparticles for AC determination. The proposed electrode was made of a Carbon Paste Electrode (CPE) modified with TiO2 Nano-Particle (NP)-decorated MWCNTs and a binder of IL 1-hexyl-pyridinium hexafluorophosphate (HPFP) (MWCNT/TiO2/CILE). The nanocomposite structure characterization was done via X-ray Energy-Dispersive Spectroscopy (EDS) and Field-Emission Scanning Electron Microscopy (FESEM). The electrochemical behavior of Ac was investigated via the Cyclic Voltammetry (CV) technique at the MWCNT/TiO2/CILE. The MWCNT/TiO2/CILE was applied for Ac determination by the Square-Wave Voltammetry (SWV) technique in real samples. The excellent electrocatalytic activity of the proposed nanocomposite leading to Ac electrochemical oxidation in phosphate buffer solution (pH 6.0) was evidenced. The results of Square-Wave Voltammetry (SWV) revealed a wide linear range of 0.01-30 µM and the detection limits of 0.003 µM for the modified electrode under optimal conditions. This electrode was successfully employed to detect Ac concentrations in plasma and tablet samples with good repeatability and reproducibility.
کلیدواژه‌های انگلیسی مقاله Acetaminophen,TiO2 Nanoparticles,Electrochemical,Carbon Ionic Liquid Electrode (CILE),Determination
نویسندگان مقاله Zeinab Azin |
Department of Chemistry, Khorramabad Branch, Islamic Azad University, Khorramabad, I.R. IRAN

Zeinab Pourghobadi |
Department of Chemistry, Khorramabad Branch, Islamic Azad University, Khorramabad, I.R. IRAN

نشانی اینترنتی https://ijcce.ac.ir/article_39811_969c338db29fd90abe93fc902b5b7c7b.pdf
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