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  • Title: Determination of terbutaline enantiomers in human plasma by coupled achiral-chiral high performance liquid chromatography.
    Author: Kim KH, Kim HJ, Hong SP, Shin SD.
    Journal: Arch Pharm Res; 2000 Oct; 23(5):441-5. PubMed ID: 11059819.
    Abstract:
    Achiral-chiral column switching HPLC assay was developed to allow the separation and quantification of the enantiomers of terbutaline in human plasma by means of fluorescence detection. Plasma samples were prepared by solid-phase extraction with sep-pak silica, followed by HPLC assay. The enantiomers of terbutaline and the internal standard were separated from the biological matrix on a silica column, and the two enantiomers were resolved and quantified on a Sumichiral OA-4900 column. The two columns were connected by a switching valve equipped with silica trap column. The trap column was used to concentrate the terbutaline in the eluent from the achiral column before back flushing onto the chiral phase. For each enantiomers, the assay was linear between 2.5-125 ng/ml (r=0.9999) and detection limit was 1.0 ng/ml.
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