多层电膜结合微球嵌入纳米纤维用于增强伤口愈合
Fen Ao1, Wen Shen1, Xuemei Ge2
1School of Food Science and Engineering, Shaanxi University of Science & Technology, Xi'an, 710021, PR China.
Biomaterials advances
|January 23, 2026
概括
这项研究开发了一种用于伤口愈合的多层双重药物递送系统 (ML-DDS). 在24小时内,ML-DDS有效地管理伤口排泄物,并释放抗菌药物 (阿米卡辛) 和抗炎药物 (克尔丁).
科学领域:
- 生物材料科学 生物材料科学
- 药物输送系统 药物输送系统
- 伤口治愈研究研究 伤口治愈研究
背景情况:
- 有效的伤口愈合需要协调的药物释放和排泄物管理.
- 当前的多层系统在精确的双重药物输送和排泄物吸收方面面临着挑战.
研究的目的:
- 开发一个多层的双重药物递送系统 (ML-DDS),使用"纳米在纳米"微球嵌入式光纤战略.
- 为了实现控制释放的阿米卡辛 (抗菌) 和奎尔丁 (抗炎) 药物.
- 整合过度伤口组织排泄物的有效管理.
主要方法:
- 顺序电被用来创建一个三层系统:阿米卡辛 (Am) 装载的外层,素 (Qu) 装载的微球嵌入的中间层和乙烯基纤维素 (EC) 内层.
- 纤维和微球尺寸的表征.
- 通过界面毛细血管力和水接触角度评估排泄物运输.
- 对于Am和Qu的体外药物释放研究.
- 在体内评估伤口愈合,包括代谢物分析,线粒体功能,原体沉积,CD31和COX-2表达.
主要成果:
- ML-DDS证明了Am在24小时内得到控制的释放,从单层120分钟延长到24小时.
- 通过矩阵侵蚀,Qu和Am都在24小时内以无形形式连续释放.
- 该系统通过毛细血管的作用和EC层的膨胀有效地管理了排泄物.
- 在体内研究显示,伤口愈合加速,原沉积增加,CD31的升高调节,COX-2水平降低.
结论:
- 开发的ML-DDS成功地将多层排泄物管理与受控的双重药物输送相结合.
- 这种新的系统提供了一个有前途的治疗策略,用于管理过度排泄的皮肤伤口.
- 通过调节炎症和氧化应激反应,ML-DDS促进伤口愈合.
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