NDLI: Capillary electrophoresis coupled with electrochemiluminescence detection for the separation and determination of thyreostatic drugs in animal feed.

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Capillary electrophoresis coupled with electrochemiluminescence detection for the separation and determination of thyreostatic drugs in animal feed.

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Capillary electrophoresis coupled with electrochemiluminescence detection for the separation and determination of thyreostatic drugs in animal feed.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Kong, Dexian Li, Qinglu Chen, Lichan Chi, Yuwu Chen, Guonan
Description	Country affiliation: China Author Affiliation: Kong D ( School of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, Fujian, China)
Abstract	A rapid, simple, and practical method for the determination of four of the most used thyreostatic drugs (methimazole, 2-thiouracil, 6-methyl-2-thiouracil, and 6-propyl-2-thiouracil) using CE coupled to electrochemiluminescence detection has been established, based on the electrochemiluminescence enhancement of tris(2,2-bipyridyl)ruthenium(II) with these analytes. Parameters that affect separation and detection were optimized. Under the optimum experimental conditions, the four analytes could be well separated within 11 min at the separation voltage of 16 kV in a running solution containing 20 mM phosphate buffer (pH 9.0) and 1.0 × 10(-4) M Ru(bpy)(3)(2+), with a solution of 20 mM phosphate buffer (pH 12.0) containing 1.0 × 10(-4) M Ru(bpy)(3)(2+) in the electrochemiluminescence detection cell. The detection limits for methimazole, 6-methyl-2-thiouracil, 6-propyl-2-thiouracil, and 2-thiouracil were 0.1, 0.05, 0.05, and 0.01 µM, respectively. The proposed method was applied to analyze these drugs in spiked animal feed samples. The recoveries were 88.2â¼99.0 and 86.4â¼98.7% for the intraday and interday analyses, respectively. The RSDs were 2.7â¼4.8 and 1.8â¼5.0% for the intraday and interday analyses, respectively. The results demonstrate that the proposed method has promising applications in the detection of thyreostatic drugs in animal feeds.
File Format	HTM / HTML
ISSN	16159306
Issue Number	9-10
Volume Number	37
e-ISSN	16159314
Journal	Journal of Separation Science
Language	English
Publisher	Wiley-VCH
Publisher Date	2014-05-01
Publisher Place	Germany
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Analytical Discipline Chemistry Antithyroid Agents Analysis Electrochemical Techniques Luminescent Measurements Animals Administration & Dosage Electrophoresis, Capillary Molecular Structure Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Analytical Chemistry Filtration and Separation

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Capillary electrophoresis coupled with electrochemiluminescence detection for the separation and determination of thyreostatic drugs in animal feed.

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