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Sensitive high-performance liquid chromatographic determination of nifedipine in cat plasma following improved sample treatment



Sensitive high-performance liquid chromatographic determination of nifedipine in cat plasma following improved sample treatment



Journal of Chromatography B 729(1-2): 265-270



A simple, easy and accurate reversed-phase high-performance liquid chromatographic method is described for the determination of nifedipine in cat plasma. The procedure involves extraction of nifedipine from plasma using a Sep-Pak C18 cartridge and ultraviolet detection at 350 nm. The present method provides the required reproducibility and sensitivity for the determination of low concentrations of nifedipine without interference from plasma components or photodegradation products. The method was validated over the range 1-50 ng/ml nifedipine. Accuracy and precision were, respectively, 97% or more and 5% or less over the concentration range examined. The minimum quantifiable concentration of nifedipine was found to be 1 ng/ml.

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Accession: 011340501

Download citation: RISBibTeXText

PMID: 10410951

DOI: 10.1016/s0378-4347(99)00167-x


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