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  • Title: Simultaneous determination of 6-mercaptopruine, 6-thioguanine and dasatinib as three important anticancer drugs using nanostructure voltammetric sensor employing Pt/MWCNTs and 1-butyl-3-methylimidazolium hexafluoro phosphate.
    Author: Karimi-Maleh H, Shojaei AF, Tabatabaeian K, Karimi F, Shakeri S, Moradi R.
    Journal: Biosens Bioelectron; 2016 Dec 15; 86():879-884. PubMed ID: 27494812.
    Abstract:
    6-Mercaptopurine, 6-thioguanine and dasatinib are three important anticancer drugs with high adverse effects in human body. In this study, a Pt/MWCNTs-1-butyl-3-methylimidazolium hexafluoro phosphate-modified carbon paste electrode was developed for the simultaneously determination of 6-mercaptopurine, 6-thioguanine and dasatinib for the first time. The Pt/MWCNTs synthesized by polyol method and have been characterized by transmission electron microscopy and X-ray diffraction methods. The obtained data revealed that the electro-oxidation of 6-mercaptopurine, 6-thioguanine and dasatinib is facilitated as a novel voltammetric sensor. After optimization of electrochemical parameters employing this sensor at pH 8.0, the oxidation peak currents for 6-mercaptopurine, 6-thioguanine and dasatinib were found to vary linearly with their concentrations in the range of 0.05-550μM; 0.1-500μM and 5.0-500μM with detection limits of 0.009μM, 0.05μM and 1.0μM respectively using square wave voltammetric method. The modified electrode has been applied for the selective and precise analysis of 6-mercaptopurine, 6-thioguanine and dasatinib in pharmaceutical formulations and urine samples.
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