期刊
RSC ADVANCES
卷 4, 期 9, 页码 4710-4717出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ra45433a
关键词
-
资金
- Drug Applied Research Center, Tabriz University of Medical Sciences
A new chemically modified carbon paste electrode is constructed based on magnetic (Fe2O3) mobile crystalline material-41 grafted with 3-aminopropyl groups (MCM-41-nPrNH(2)), a kind of mesoporous silica with large surface area (362 m(2) g(-1)). For the first time, the electrode was evaluated as an electrochemical sensor for simultaneous determination of amiodarone and atenolol in aqueous solutions. The measurements were carried out by application of the differential pulse voltammetry method in Briton Robinson buffer solution with pH 4.00. Fe2O3 loaded in MCM-41-nPrNH(2) can increase anodic peak currents by adsorption of amiodarone and atenolol on the electrode surface. The prepared electrode shows voltammetric responses with good selectivity for amiodarone and atenolol in optimal conditions, which makes it suitable for simultaneous determination of these drugs.
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