Tyler Cole
Publication Details
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HPLC-electrospray mass spectrometric assay for the determination of (R,R)-fenoterol in rat plasma.
J Pharm Biomed Anal. 2008; (3): 960-4
A fast and specific liquid chromatography-mass spectrometry method for the determination of (R,R)-fenoterol ((R,R)-Fen) in rat plasma has been developed and validated. (R,R)-Fen was extracted from 125 microl of plasma using solid phase extraction and analyzed on Atlantis HILIC Silica 3 microm column. The mobile phase was composed of acetonitrile:ammonium acetate (pH 4.1; 20mM) (85:15, v/v), at a flow rate of 0.2 ml/min. The lower limit of detection (LLOD) was 2 ng/ml . The procedure was validated and applied to the analysis of plasma samples from rats previously administered (R,R)-Fen in an intravenous bolus.
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