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海洋科学  2006 

氟苯尼考3种不同给药方式在中国明对虾体内的药代动力学研究

, PP. 64-68

Keywords: 氟苯尼考,中国明对虾(Fenneropenaeus,chinensis),药代动力学,高效液相色谱(HPLC)

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Abstract:

用高效液相色谱法研究静注、肌注和口服氟苯尼考在中国明对虾(Fenneropenaeuschinensis)体内的药代动力学特征,所得数据用MCP-KP程序分析。结果表明,3种给药方式的血药经时过程均符合二室开放模型,符合一级吸收二项指数方程,血窦注射、肌肉注射、口服药饵的时间对药物质量浓度的理论方程分别是:C血注=16.38e-2.58t+0.32e-0.1t,C肌注=18.7e-2.57t+0.26e-0.12t,C药饵=15.08e–1.49t+0.65e-0.09t–15.74e–10.38t。主要药物代谢动力学参数分别是:吸收半衰期(t(1/2)α)为0.269,0.270和0.465h,消除半衰期(t(1/2)β)为6.921,6.494和7.903h,表观分布容积(Vβ)为1.287,1.293和2.421L/kg,总体清除率(Cs)为0.129,0.138和0.213L/(h·kg),药时曲线下总面积(Au,c)为0.755,0.681和0.666L/(h·kg)。肌肉注射和口服给药的生物利用度(F)分别是90.20%和97.58%。

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