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Column-switching high-performance liquid chromatographic method for the determination of zaltoprofen in rat plasma

Title
Column-switching high-performance liquid chromatographic method for the determination of zaltoprofen in rat plasma
Authors
Choi S.O.Um S.Y.Jung S.H.Jung S.J.Kim J.I.Lee H.J.Chung S.Y.
Ewha Authors
이화정
SCOPUS Author ID
이화정scopus
Issue Date
2006
Journal Title
Journal of Chromatography B: Analytical Technologies in the Biomedical and Life Sciences
ISSN
1570-0232JCR Link
Citation
Journal of Chromatography B: Analytical Technologies in the Biomedical and Life Sciences vol. 830, no. 2, pp. 301 - 305
Indexed
SCIE; SCOPUS WOS scopus
Document Type
Article
Abstract
A direct injection column-switching high-performance liquid chromatography (HPLC) method was developed and validated for quantification of zaltoprofen in rat plasma. Following dilution with mobile phase A, i.e. acetonitrile-10 mM potassium phosphate buffer (pH 6.8) (12:88, v/v) samples were directly injected to the pre-column without sample pre-purification step. After endogenous plasma components were eluted to waste, the system was switched and the analyte was eluted to the trap column. Zaltoprofen was then back-flushed to the analytical column for separation with mobile phase B, i.e. acetonitrile-10 mM potassium phosphate buffer (pH 6.8) (35:65, v/v) and quantification with an ultraviolet detector at 230 nm. The calibration curve was linear in the concentration range of 40-5000 ng mL -1. This method has been fully validated and shown to be specific, accurate and precise. The method is simple, rapid and the sample preparation is minimal and appears to be useful for the pharmacokinetic study of zaltoprofen. © 2005 Elsevier B.V. All rights reserved.
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DOI
10.1016/j.jchromb.2005.11.003
Appears in Collections:
약학대학 > 약학과 > Journal papers
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