多功能注射氧化甲基酸盐/甲基基酸盐水凝用于快速静血
Xuanyu Liu1, Junjie Hu1, Yinchun Hu1
1Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, PR China.
Colloids and surfaces. B, Biointerfaces
|November 1, 2024
概括
一种新型的可注射水凝,由甲基酸盐和carboxymethyl chitosan制成,可为复杂的伤口提供快速的血液静止. 这种先进的静血材料表现出良好的粘附性和抗菌性质,有效地减少血液损失.
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
- 伤口管理 伤口管理
背景情况:
- 复杂伤口的失控出血在战场和手术环境中构成重大风险.
- 现有的静血材料往往缺乏适用于各种伤口类型的必要性质,包括抗菌活性和生物相容性.
- 对于能够在具有挑战性的创伤场景中快速有效地控制出血的先进静血剂有着极大的需求.
研究的目的:
- 为复杂的伤口开发一种可注射的静血水凝,具有快速静血能力.
- 评估新型水凝的抗菌,粘合和生物相容性质.
- 在动物模型中评估开发材料的体内静血疗效.
主要方法:
- 通过氧化藻酸盐 (OSA) 和碳甲基 (CMC) 之间的希夫基反应制备可注射水凝 (OSA/CMC).
- 水凝性质的表征,包括抗微生物活性,粘附性和生物相容性.
- 在肝脏出血和尾部截肢模型中静血性能的体内评估.
主要成果:
- 通过希夫基反应,OSA/CMC水凝在现场迅速形成.
- 水凝表现出优异的抗微生物和粘附性能.
- 在体内研究表明,肝脏和尾部截肢模型的血液静止明显加快,血液损失减少.
- 水凝激活了内源性凝血路径,增强了静血效应.
结论:
- 开发的OSA/CMC注射液凝是快速临床静血的一个有希望的材料.
- 它的粘附性,抗菌性质,生物相容性和高效的血液静止的组合使其适合复杂的伤口管理.
- 这种新的生物材料为紧急和手术情况下的关键出血控制提供了潜在的解决方案.
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