Due to the interaction with the drug, the release rate ofthe systems including polyvinylpyrrolidone(PVP) was slower .

 
  • 聚乙烯吡咯烷酮(PVP)的加入,增加了凝膠體系的網(wǎng)絡(luò )交聯(lián)密度,且對藥物具有很好的絡(luò )合作用,因而含PVP體系藥物緩釋效果要好。
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