Abstract
This work described a sensitive method for determination of metoprolol in rabbit plasma. The method involved purification by ultrafiltration, derivatization with Fluorescein isothiocyanate, separation by capillary electrophoresis and determination by laser-induced fluorescence detector. Other components in plasma including a variety of amino acids and proteins did not interfere with the determination of metoprolol under experimental conditions. The assay had a wide range (2.0–500 ng/mL) of linearity and a detection limit of 0.8 ng/mL. The intra- and inter-day precisions of the QC samples were satisfactory with RSD less than 10% and accuracy within 10%. This method was successfully applied to pharmacokinetic study of metoprolol in rabbit blood.
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Chen, Y., Yang, W. Pharmacokinetic study of metoprolol in rabbit plasma by capillary electrophoresis with laser-induced Fluorescence detection. J Anal Chem 67, 572–576 (2012). https://doi.org/10.1134/S1061934812060202
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DOI: https://doi.org/10.1134/S1061934812060202