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  • Title: The determination of (-)-(S)- and (+)-(R)-ifosfamide in plasma using enantioselective gas chromatography: a validated assay for pharmacokinetic and clinical studies.
    Author: Young CL, Frank H, Stewart CR, Wainer IW.
    Journal: Chirality; 1989; 1(3):235-8. PubMed ID: 2642052.
    Abstract:
    An enantioselective gas chromatographic method has been developed and validated for the determination of the plasma concentration of the enantiomers of the anticancer drug ifosfamide (IFF). In this approach, the IFF enantiomers are separated from the plasma matrix by solid phase extraction, chromatographically resolved by gas chromatography on a chiral stationary phase, and detected by mass selective detection using selective ion monitoring. The assay has been validated for routine clinical and pharmacokinetic use and has a limit of detection in plasma of 250 ng/ml of each isomer.
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