High-performance liquid chromatography assay of rifapentine in human serum |
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Authors: | Xiaobing He Jiping Wang Xiaoquan Liu Xijing Chen |
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Institution: | aDepartment of Pathophysiology, Nanjing Railway Medical College, Nanjing 210009, China;bPharmacokinetic Research Laboratory, China Pharmaceutical University, Nanjing 210009, China |
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Abstract: | A high-performance liquid chromatographic method for the determination of rifapentine in human serum was developed. The method utilized a Spherisorb C18 column, ultraviolet detection (336 nm), rifampin as internal standard and a calibration curve (C = 7.010 As/Ain ± 0.156, R = 0.999) with reproducibility studies which yield a coefficient of variation (C.V.) of intra-day and inter-day assays lower than 10%. The average recovery of rifapentine from serum in the concentration range of 0.5 to 30 μg/ml was 92.93 ± 9.704%. |
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Keywords: | Rifapentine |
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