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  • Title: Rapid and simple determination of fleroxacin in rat plasma using a solid-phase extraction column.
    Author: Hobara N, Kameya H, Hokama N, Ohshiro S, Sakanashi M.
    Journal: J Chromatogr B Biomed Sci Appl; 1997 Dec 05; 703(1-2):279-83. PubMed ID: 9448088.
    Abstract:
    We studied the use of high-performance liquid chromatography (HPLC) with a spectroflurometric detector, using a solid-phase extraction column (Bond Elut cartridge column), for the simple, rapid and sensitive determination of plasma fleroxacin (FLRX) levels in rats. Extracted aliquots were analyzed by HPLC, using a reverse phase octadecyl silica column. The analytical mean recovery of FLRX added to the blank plasma averaged 101.4%. The detection limit was 58 ng/ml in the plasma. The reproducibilities (C.V.) were 0.50-3.22% in the within-day assay and 2.87 C.V.% in the between-day assay, indicating that the analysis method was effective in the determination of FLRX plasma levels.
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