Determination of chlorzoxazone in serum by RP-HPLC
Xie Tao-yin
Abstract
Xie Tao-yin
Abstract
OBJECTIVE To establish a RP-HPLC method for the determination of chlorzoxazone in serum.METHODS Diamonsil C18(250×4.6mm,5μm) column was used.The mobile phase consisted of acetonitrile-0.02M buffer phosphate(9∶11,pH6.3) and 0.16% triethylamine,the flow rate was 1.0mL·min-1.The detection wavelength was 280nm.The column temperature was kept at 30℃.RESULTS The linear range of chlorzoxazone in serum was 2.5~12.5μg·mL-1.The limit detection was 0.4μg·mL-1.And the average recovery of the method was 102.82±4.39%.CONCLUSION The method is simple,rapid,sensitive,and reliable,and it is suitable for the determination of chlorzoxazone in serum.
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OBJECTIVE To establish a RP-HPLC method for the determination of chlorzoxazone in serum.METHODS Diamonsil C18(250×4.6mm,5μm) column was used.The mobile phase consisted of acetonitrile-0.02M buffer phosphate(9∶11,pH6.3) and 0.16% triethylamine,the flow rate was 1.0mL·min-1.The detection wavelength was 280nm.The column temperature was kept at 30℃.RESULTS The linear range of chlorzoxazone in serum was 2.5~12.5μg·mL-1.The limit detection was 0.4μg·mL-1.And the average recovery of the method was 102.82±4.39%.CONCLUSION The method is simple,rapid,sensitive,and reliable,and it is suitable for the determination of chlorzoxazone in serum.
Key concepts: Chlorzoxazone, Chromatography, Chemistry, Triethylamine, High-performance liquid chromatography, Detection limit, CYP2E1, Biochemistry