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Preparation of Nimodipine gelatin microspheres and study of its characteristics
Author(s): LIU Lin-na, LI Xin, MEI Qi-bing, HU Ben-quan, CHENG Jian-feng, ZHANG Yan
Pages: 243-
245
Year: 2006
Issue:
3
Journal: WEST CHINA JOURNAL OF PHARMACEUTICAL SCIENCES
Keyword: 明胶; 尼莫地平; 正交设计; 微球;
Abstract: 目的研究尼莫地平明胶微球的制备工艺,并考察其体外释药特性.方法以天然的可生物降解的明胶为载体,液体石蜡为油相,Span80为乳化剂,采用正交设计优化空白明胶微球的制备工艺,用乳化法制备尼莫地平明胶微球.结果优选所制尼莫地平明胶微球形态圆整,大小均匀,表面光滑,载药量为13.48%.体外释药结果表明,一级动力学方程能较好地对其进行拟合.结论制备工艺稳定可行,所得尼莫地平明胶微球具有良好的缓释效果.
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