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  • Title: A simple HPLC method for the determination of bifendate: application to a pharmacokinetic study of bifendate liposome.
    Author: Chen ZP, Zhu JB, Chen HX, Xiao YY.
    Journal: J Chromatogr B Analyt Technol Biomed Life Sci; 2007 Oct 01; 857(2):246-50. PubMed ID: 17693142.
    Abstract:
    A rapid, sensitive and simple high-performance liquid chromatographic (HPLC) method with ultraviolet detector (UV) has been developed for the determination of bifendate in 100 microl plasma of rats. Sample preparation was carried out by deproteinization with 100 microl of acetonitrile. A 20 microl of supernatant was directly injected into the HPLC system with methanol-double distilled water (65/35, v/v) as the mobile phase at a flow rate of 1.0 ml/min. Separation was performed with a microBondapak C(18) column at 30 degrees C. The peak was detected at 278 nm. The calibration curve was linear (r(2)=0.9989) in the concentration range of 0.028-2.80 microg/ml in plasma. The intra- and inter-day variation coefficients were not more than 6.55% and 6.07%, respectively. The limit of detection was 5 ng/ml. The mean recoveries of bifendate were ranged from 94.53% to 99.36% in plasma. The present method has been successfully applied to the pharmacokinetic study of bifendate liposome in rats.
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