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pH依赖型阿莫西林多重脉冲微丸的制备 被引量:6

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摘要 目的制备阿莫西林脉冲微丸,并考察其体外释放情况。方法采用挤出滚圆法制备阿莫西林含药微丸,选用Eudragit L30D-55和Eudragit L100与Eudragit S100的混合物作为包衣材料,对含药微丸分别进行包衣。以体外释放度为评价指标,筛选包衣工艺和包衣增重。结果含药微丸以3%羟丙甲基纤维素E5(HPMC E5)和1%聚氧乙烯蓖麻油(EL-35)为润湿剂,5%交联羧甲基纤维素钠(CCNa)为崩解剂,优化参数为挤出频率30 Hz,滚圆频率35 Hz,滚圆时间4 min。Eudragit L30D-55包衣增重24%,Eudragit L100与Eudragit S100 1∶6的混合物包衣增重28%。结论所制备的阿莫西林脉冲释药微丸体外释放具有明显的多次脉冲效果。
出处 《医药导报》 CAS 北大核心 2013年第3期387-391,共5页 Herald of Medicine
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共引文献984

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