自氧化化基纤维地毯用于致命出血控制
Jinzhi Shi1, Kai Shi2, Qi Dong2
1Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan University, Wuhan 430060, People's Republic of China.
ACS applied materials & interfaces
|February 7, 2024
概括
这项研究引入了用于快速控制出血的新型水友基托桑纤维 (CECS-D). 这些先进的地毯很快吸收血液,聚集细胞并形成密封体,在关键出血场景中显著改善血液静止.
科学领域:
- 生物材料科学 生物材料科学
- 血液静止研究 血液静止研究
- 纳米技术 纳米技术
背景情况:
- 致命出血控制需要快速的红细胞和血小板丰富和快速密封出血部位.
- 基托基材料由于其生物相容性和生物降解性,对静血应用具有前景.
研究的目的:
- 开发和评估用于增强血静性能的新型水友性奇托桑纤维地毯 (CECS-D地毯).
- 为了研究 CECS-D 地毯的快速吸血,细胞聚合和组织粘附性质背后的机制.
主要方法:
- 通过在桑纤维上引入碳氧乙基和甲基醇基来制造水友性桑纤维地毯 (CECS-D地毯).
- 液体吸收能力和血细胞聚合的体外评估.
- 在子肝脏,脏和大腿动脉损伤模型中静血疗效的体内评估.
- 与未经修改的奇托桑地毯 (CECS地毯) 和常规布进行比较.
主要成果:
- CECS-D地毯表现出快速的液体吸收和子血液的瞬间吸收性,导致迅速的红细胞和血小板聚合.
- 马特的自我氧化形成了氨酸添加物/复合物,提供了组织粘附性,并诱导进一步的细胞聚合以增强密封性.
- 在子模型中,CECS-D地毯与CECS地毯和布相比,表现出更好的静血性能.
- 在致命的股骨动脉损伤模型中,CECS-D地毯与CECS地毯相比,减少了约75%的血液损失和约50%的出血时间.
- 这些地毯是细胞相容,可降解和抗菌的.
结论:
- CECS-D床是一种非常有效的止血材料,可以控制致命的出血.
- CECS-D地毯的独特的水友和自我氧化特性有助于快速凝块形成和密封.
- 这些酸盐毯为现有的静血剂提供了一个有希望的替代品,具有临床翻译的潜力.
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