石杉碱甲固体自徽乳的制备及评价

来源 :第二届全国生物颗粒学术研讨会、第三届国际工业药学和临床药学研讨会暨第一届岭南国际药学大会 | 被引量 : 0次 | 上传用户:a15968331849
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  目的探讨球晶造粒技术制备石杉碱甲(Hup-A)固体自微乳.方法采用球晶造粒技术对Hup-A自微乳进行固化;运用粒径分析仪与透射电镜测定固化前后固体自微乳粒径、Zeta电位及微乳形态;考察粉体学性质;测定体外释放度.结果Hup-A固化前后自微乳的粒径及Zeta基本保持不变,平均粒径及Zeta电位为:(20.97±0.68) nm和(-19.4±0.52) mV,TEM下呈大小均匀的圆球形;固体自微乳为圆整球形,具有较好的流动性、可压性和填充性;1 h累积释放度约15.0%,24 h累积释放度达90.0%以上,释药行为符合Higuchi模型.结论球晶造粒技术可用于制备Hup-A固体自微乳.
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