开发一种基于酸盐的生物墨水,具有增强的静血和抗菌特性
Mengde Zhang1, Linhao Hou1, Wei Song1
1Research Center for Tissue Repair and Regeneration affiliated to the Medical Innovation Research Department, PLA General Hospital, PLA Medical College, PLA Key Laboratory of Tissue Repair and Regenerative Medicine, Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration, Research Unit of Trauma Care, Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, 2019RU051, Beijing 100048, PR China.
International journal of biological macromolecules
|February 2, 2025
概括
一种基于酸盐的新型生物墨水AL@FM被开发用于快速控制出血和伤口修复. 这种可注射的水凝显示出优越的血液静止,抗菌作用和生物相容性,解决了关键的出血挑战.
科学领域:
- 生物材料科学 生物材料科学
- 再生医学是一种再生医学.
- 血液静止研究 血液静止研究
背景情况:
- 酸是一种具有血静性质的生物安全材料,但对于更广泛的临床用途需要增强功能.
- 目前在有效管理不可压缩和不规则部位出血方面存在局限性.
- 先进的交叉连接和功能集成是改善基于酸盐的伤口护理解决方案的关键.
研究的目的:
- 开发一种新的,可注射的基于酸盐的生物墨水 (AL@FM),用于紧急的出血控制.
- 通过快速的光交联和持续的抗菌作用来增强生物墨水.
- 评估AL@FM在治疗无法压缩和不规则部位出血方面的疗效.
主要方法:
- 开发一种可注射光聚合酸基水凝 (AL@FM),其中包含功能修饰剂 (PVP,CMC,糖醇,e-PL).
- 通过体外和体内生物评估评估快速血静,抗菌作用,伤口愈合特性和生物相容性.
- 将AL@FM的血静效率与商业控制进行比较,并评估其注射性和凝性质.
主要成果:
- 与商业对照相比,AL@FM显示出更高的静血效率.
- 生物墨水有效地加速了伤口收缩和血管生成.
- AL@FM表现出强大的抗菌性质,增强的注射能力和特殊的生物相容性.
结论:
- 开发的AL@FM生物墨水为控制出血和伤口修复提供了有希望的解决方案,特别是在具有挑战性的出血场景中.
- 其快速的光交叉连接和持续的抗菌作用对于现场应用,如3D生物打印,至关重要.
- AL@FM的多方面的功能显著扩大了基于酸盐的材料的临床多功能性.
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