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Improving the dissolution rate of poorly water-soluble resveratrol by the ordered mesoporous silica

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Author:
No author available
Journal Title:
Acta Pharmaceutica Sinica
Issue:
2
DOI:
No doi available
Key Word:
有序介孔硅胶;难溶性药物;白藜芦醇

Abstract: 本研究的目的是制备有序介孔硅胶并考察其作为难溶性药物载体的体外药物释放特点.以十六烷基三甲基溴化铵为模板合成了有序介孔硅胶,以白藜芦醇为模型药物,采用扫描电镜、透射电镜、N2吸附-脱附、X-射线衍射和红外光谱对载药前后的有序介孔硅胶进行表征,并考察药物体外释放行为.结果表明,合成的有序介孔硅胶比表面积大、粒度均匀,具有有序六方孔道结构,载药后药物以无定形态或分子态存在,释放速率明显提高.有序介孔硅胶有望成为新型的难溶性药物载体.

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