协同结合的协同作用的抗菌-抗氧化剂聚乳酸纳米纤维膜用于慢性感染伤口愈合
Yakun Huang1, Xianchao Li1, Yanran Du1
1School of Pharmacy, Key Laboratory of Prescription Effect and Clinical Evaluation of State Administration of Traditional Chinese Medicine of China, Binzhou Medical University, Yantai 264003, P. R. China.
将黄素和四级盐与聚乳酸共价连接,可以防止爆裂释放,从而提供持续的伤口愈合. 这种先进的材料为慢性感染的伤口提供了平衡的抗微生物和抗氧化功能.
科学领域:
- 生物材料科学 生物材料科学
- 伤口治愈研究研究 伤口治愈研究
- 聚合物化学 聚合物化学
背景情况:
- 慢性感染的伤口由于持续存在的细菌和炎症而存在重大治疗挑战.
- 传统的敷料往往表现出爆发释放和活性化合物的不良保留.
研究的目的:
- 开发一种具有持续释放生物活性剂的新型伤口带.
- 调查共结合的黄素和四级氨盐在慢性伤口治疗中对聚乳酸的疗效.
主要方法:
- 库尔库明 (Cur) 和二氧四元氨盐 (Qas) 聚乳酸 (PLA) 的共价结合.
- 在21天内评估持续生物活性释放概况.
- 在体外评估抗氧化剂和抗微生物活性.
- 关于伤口关闭率和炎症标志物的体内研究.
主要成果:
- 同价联消除了突发释放,实现了持续释放21天.
- PCur显示出增强的抗氧化活性,而PQas显示出强大的细菌抑制.
- 在体内,膜在第14天促进了97.8%的伤口关闭,减少了TNF-α和抑制了细菌反弹.
结论:
- 在伤口剂中,共价合对于平衡抗微生物,抗氧化和再生功能至关重要.
- 开发的材料为慢性感染伤口提供了有希望的持续治疗方法.
- 这种方法克服了传统物理混合带的局限性.
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