NDLI: Development of a molecularly imprinted solid-phase extraction sorbent for the selective extraction of telmisartan from human urine.

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Development of a molecularly imprinted solid-phase extraction sorbent for the selective extraction of telmisartan from human urine.

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Development of a molecularly imprinted solid-phase extraction sorbent for the selective extraction of telmisartan from human urine.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Yilmaz, Hüma Basan, Hasan
Description	Country affiliation: Turkey Author Affiliation: Yilmaz H ( Department of Analytical Chemistry, Faculty of Pharmacy, Gazi University, Ankara, Turkey.)
Abstract	A novel molecularly imprinted solid-phase extraction with spectrofluorimetry method has been developed for the selective extraction of telmisartan from human urine. Molecularly imprinted polymers were prepared by a noncovalent imprinting approach through UV-radical polymerization using telmisartan as a template molecule, 2-dimethylamino ethyl methacrylate as a functional monomer, ethylene glycol dimethacrylate as a cross-linker, N,N-azobisisobutyronitrile as an initiator, chloroform as a porogen. Molecularly imprinted polymers and nonimprinted control polymer sorbents were dry-packed into solid-phase extraction cartridges, and eluates from cartridges were analyzed using a spectrofluorimeter. Limit of detection and limit of quantitation values were 11.0 and 36.0 ng/mL, respectively. A very high imprinting factor (16.1) was achieved and recovery values for the telmisartan spiked in human urine were in the range of 76.1-79.1%. In addition, relatively low within-day (0.14-1.6%) and between-day (0.11-1.31%) precision values were obtained. Valsartan was used to evaluate the selectivity of sorbent as well. As a result, a sensitive, selective, and simple molecularly imprinted solid-phase extraction with spectrofluorimetry method has been developed and successfully applied to the direct determination telmisartan in human urine.
File Format	HTM / HTML
ISSN	16159306
Issue Number	8
Volume Number	38
e-ISSN	16159314
Journal	Journal of Separation Science
Language	English
Publisher	Wiley-VCH
Publisher Date	2015-05-01
Publisher Place	Germany
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Analytical Discipline Chemistry Benzimidazoles Urine Benzoates Molecular Imprinting Solid Phase Extraction Chloroform Chromatography, High Pressure Liquid Humans Methacrylates Chemistry Polymers Reproducibility Of Results Spectrometry, Fluorescence 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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