一种可分离的双层自包装,含有阿斯特拉加索酸,用于促进伤口愈合
Hongwei Wang1, Yongming Luo1, Lihong Wang1
1School of Pharmacy, Guizhou University of Traditional Chinese Medicine, Guizhou 550025, China.
International journal of biological macromolecules
|October 7, 2024
概括
一种新的可分离的双层纳米纤维伤口包裹有效地管理伤口排泄物并促进伤口愈合. 这种先进的包装增强了吸收,表现出抗菌性质,并在临床前模型中加速组织修复.
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
- 纳米技术应用 纳米技术应用
背景情况:
- 传统的单层纳米纤维带在皮肤伤口中与高排泄物水平作斗争.
- 现有敷料的吸收能力不足可能会阻碍愈合过程.
研究的目的:
- 开发一种可分离的双层电纳米纤维伤口带,具有增强的排泄物吸收和治疗性质.
- 评估带的物理特性,抗菌活性,细胞效应和体内伤口愈合效率.
主要方法:
- 使用超性聚烯酸纳米纤维 (上层) 和3D结构同轴纳米纤维与阿斯特拉加索酸 (AS) (底层) 制造双层敷料.
- 对纳米纤维形态,吸水,水蒸气传输和自由基清除的评估.
- 对黄金葡萄球菌和大肠杆菌的抗微生物活性评估.
- 在体外对L929纤维细胞进行增殖,迁移和粘附效应的试验.
- 在老鼠模型中进行体内伤口愈合研究.
主要成果:
- 双层包装显示出优异的吸水率 (1461.71 ± 39.72%),水蒸气传递率 (1193.63 ± 134 g·m−2·day−1) 和自由基清除 (63.35 ± 3.65%).
- 观察到黄金葡萄球菌 (65.69 ± 2.62%) 和大肠杆菌 (75.10 ± 6.26%) 的显著抑制.
- 敷料对纤维细胞增殖,迁移和粘附产生了积极影响.
- 在治疗14天后,大鼠的高伤愈率为96.78 ± 1.0%.
结论:
- 开发的3D结构可分离的双层伤口包裹有效地管理排泄物并促进皮肤伤口愈合.
- 包裹的独特设计和内置的治疗剂有助于提高其性能.
- 这种新型伤口带在治疗复杂的皮肤伤口方面具有显著的临床应用潜力.
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