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Crystals 2017, 7(1), 27; doi:10.3390/cryst7010027

Ionic Liquid Crystals Modifier for Selective Determination of Terazosin Antihypertensive Drug in Presence of Common Interference Compounds

1
Department of Chemistry, Faculty of Science, Cairo University, 12613 Giza, Egypt
2
Department of Chemistry, Faculty of Science, Kuwait University, Safat 13060, Kuwait
3
Forensic Chemistry Laboratory, Medico Legal Department, Ministry of Justice, 11341 Cairo, Egypt
*
Author to whom correspondence should be addressed.
Academic Editor: Charles Rosenblatt
Received: 30 November 2016 / Revised: 1 January 2017 / Accepted: 12 January 2017 / Published: 20 January 2017
(This article belongs to the Section Liquid Crystals)
View Full-Text   |   Download PDF [6475 KB, uploaded 20 January 2017]   |  

Abstract

Electrochemical sensor was fabricated based on carbon paste electrode modified with an ionic liquid crystal ILC (2-chloro-1,3-dimethyl-imidazolidinium hexafluorophosphate) in presence of sodium dodecyl sulfate for the selective electrochemical determination of Terazosin (TZ) in presence of common interference compounds. The electrode performance was compared in presence of other ionic liquids ILs (1-Butyl-4-methyl pyridinium tetrafluoroborate) and (1-n-Hexyl-3-methyl imidazolium tetrafluoroborate). Ultrasensitive determination of Terazosin HCl at the ILC modified electrode in the linear dynamic ranges of 0.002 to 0.09 μmol·L−1 and 0.2 to 30 μmol·L−1 with correlation coefficients 0.996 and 0.995 and LODs 1.69 × 10−11 mol·L−1 and 6.43 × 10−9 mol·L−1, respectively, were obtained. Selective determination of TZ in presence of uric acid and ascorbic acid and simultaneous determination of binary mixtures of TZ/dopamine, TZ/paracetamol and TZ/Morphine were also determined successfully using the modified sensor. View Full-Text
Keywords: terazosin hydrochloride; carbon paste electrode; ionic liquid crystal; surfactant terazosin hydrochloride; carbon paste electrode; ionic liquid crystal; surfactant
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Atta, N.F.; BinSabt, M.H.; Hassan, S.H.; Galal, A. Ionic Liquid Crystals Modifier for Selective Determination of Terazosin Antihypertensive Drug in Presence of Common Interference Compounds. Crystals 2017, 7, 27.

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