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Box-Behnken优化黄芩苷脂质体的制备工艺及体外释放模型拟合的研究

Journal of Chinese Medicinal Materials(2017)

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Abstract
目的:探讨黄芩苷脂质体的制备工艺,并考察体外释放情况.方法:采用逆向蒸发法、乙醚注入法、薄膜分散法制备脂质体,以包封率和粒径作为考察指标,通过单因素试验和Box-Behnken响应面法优选最佳处方工艺,并对黄芩苷脂质体的体外释放应用各模型进行拟合.结果:最佳处方为:磷脂药物比为3.81∶1,磷脂胆固醇比为5.70∶1,水化体积为1.02 mL,测得黄芩苷脂质体的平均包封率为44.16%,粒径160~190 nm.结论:逆向蒸发法制备的黄芩苷脂质体包封率最高,黄芩苷脂质体体外释药具有双相动力学特征.
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