PT多肽修饰的地塞米松纳米脂质载体的体外释放研究
Study on the release characteristics of PT peptide grafted Dexamethasone nanostructured lipid carriers in vitro
作者:邹国芳;赵春艳;谢向群;黄园;简炎林;
Author:
收稿日期: 年卷(期)页码:2013,28(01):-71-72
期刊名称:华西药学杂志
Journal Name:WEST CHINA JOURNAL OF PHARMACEUTICAL SCIENCES
关键字:地塞米松;PT多肽修饰;纳米脂质载体;体外释放
Key words:
基金项目:深圳市科技计划资助项目(编号:201002046)
中文摘要
目的研究PT多肽修饰的地塞米松纳米脂质载体的体外释放规律。方法选用pH7.4磷酸盐缓冲液作为释药介质,测定并绘制其体外释放曲线,并拟合释药数据。结果 PT多肽修饰的地塞米松纳米脂质载体在0.5 h的突释率为24.2%,24h药物累计释放量为88%,最佳拟合模型为Weibull方程。结论 PT多肽修饰的地塞米松纳米脂质载体的体外释放突释效应减少,具有缓释效应。
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