生物相容,可注射和自我愈合的多 (N-vinylpyrrolidone) /碳氧甲基纤维素水凝用于药物释放
Zuwu Tang1, Yuqing Yang1, Yuwei Pan1
1School of Materials and Packaging Engineering, Fujian Polytechnic Normal University, Fuzhou, Fujian 350300, P. R. China.
ACS omega
|February 12, 2024
概括
这项研究介绍了一种新型的聚乙烯 (N-vinylpyrrolidone) /炭甲基纤维素) 水凝. 这种生物相容材料具有出色的注射和自我愈合特性,非常适合先进的药物输送系统.
科学领域:
- 生物材料科学 生物材料科学
- 聚合物化学 聚合物化学
- 药物输送系统 药物输送系统
背景情况:
- 水凝在生物医学中至关重要,但可注射和自我愈合的变种很难制造.
- 现有的水凝往往缺乏可注射性,自我愈合性和生物相容性的理想组合,以适用于先进的应用.
研究的目的:
- 开发一种生物相容的聚乙烯 (N-vinylpyrrolidone) /碳素甲基纤维素 (PVP/CMC) 水凝,具有增强的注射和自我愈合能力.
- 研究水凝的特性,包括膨胀率,药物释放能力,以及CMC度对这些特性的影响.
主要方法:
- 制造聚乙烯 (PVC) /碳甲基纤维素 (PVP / CMC) 水凝.
- 水凝的特性:可注射性,自我愈合时间,膨胀率和药物释放动力学.
- 通过调整PVP/CMC比率来评估生物相容性和药物释放控制.
主要成果:
- 合成的PVP/CMC水凝表现出极好的注射性和自我愈合特性,两截断的水凝在30秒内愈合.
- 随着CMC含量增加,水凝膨胀比增加,在1.0:1.5 PVP:CMC比率下达到最大2850%.
- 水凝具有显著的药物释放能力 (高达70%),可通过调整PVP/CMC比例来实现可控释放率.
结论:
- 开发的PVP/CMC水凝具有生物相容性,可注射性和快速自我愈合的独特组合.
- 这种新型的水凝由于其可调节性质和出色的药物释放能力,显示出对受控药物释放应用的巨大潜力.
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