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    Please use this identifier to cite or link to this item: http://ir.cnu.edu.tw/handle/310902800/22294

    標題: Determination of norfloxacin in rat liver perfusate using capillary electrophoresis with laser-induced fluorescence detection
    作者: Ching-Ling Cheng
    Chia-Hung Fu
    Chen-Hsi Chou
    貢獻者: 藥學系         
    關鍵字: Capillary electrophoresis
    Hepatic disposition
    Perfused rat liver
    Laser-induced fluorescence
    日期: 2007-09
    上傳時間: 2010-01-15 14:39:59 (UTC+8)
    出版者: Elsevier Science Bv
    摘要: A capillary zone electrophoresis method has been developed for the direct determination of norfloxacin in the physiological perfusate of isolated rat liver. Norfloxacin and the internal standard triamterene were detected using laser-induced fluorescence (LIF) detection with the excitation and emission wavelength of 325 and 435 nm, respectively. The background electrolyte (BGE) was 50 mM phosphate buffer (pH 4.6). The effect of pH and concentration of BGE on the electrophoretic migration and fluorescence response of analytes were examined. Calibration curves were linear over a wide range of 0.01–100 μg/mL. The limit of quantitation was 0.01 μg/mL. The intra- and inter-day relative standard deviation was 3.7%, or less, and the accuracy was 93.2% of the nominal concentration. No endogenous substances were found to interfere. The method was used to characterize the steady-state and transient pharmacokinetics of norfloxacin in the rat liver.
    關聯: Journal of Chromatography B 856(1-2): p.381-385
    Appears in Collections:[藥學系(所)] 期刊論文

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