一个干燥的双面带,用酸后处理,在潮湿的环境中长期粘附
Yi Ju1, Junjie Wang1, Yang Lei1,2
1National Engineering Research Center for Biomaterials and College of Biomedical Engineering, Sichuan University, No. 29 Wangjiang Road, Chengdu 610065, China. leiyang@scu.edu.cn.
Journal of materials chemistry. B
|July 26, 2024
概括
一种新型的酸处理干双面带 (DST-TA) 增强了在潮湿条件下的粘附性. 这种医疗粘合剂显示出更好的抗胀和抗拉强度,为伤口关闭提供了有前途的解决方案.
科学领域:
- 生物材料科学 生物材料科学
- 粘合技术的技术 粘合技术
- 伤口愈合 治愈 伤口愈合
背景情况:
- 医疗粘合剂在 sutures 的伤口关闭提供优势.
- 潮湿的生理环境挑战了当前医疗磁带的长期粘附性.
- 现有的干双面带 (DST) 可以过度膨胀,损害粘附耐用性.
研究的目的:
- 开发一种新的医疗粘合剂,在潮湿环境中增强粘合力.
- 为了提高干燥的双面带的抗胀和抗拉强度.
- 评估修改后的伤口关闭粘合剂的生物相容性和有效性.
主要方法:
- 一种由聚烯酸和凝组成的双网粘合剂通过光交联合成.
- 粘合剂在酸性溶液中用酸 (TA) 进行后处理,以创建DST-TA.
- 通过结和胺-胺反应实现了TA的固定.
- 在体内和体外研究中评估了抗,抗拉强度和生物相容性.
主要成果:
- 与未经修改的DST相比,DST-TA具有显著增强的抗和抗拉强度.
- 酸处理有效地减少了在潮湿条件下过度膨胀.
- 在模拟潮湿环境中观察到短期和长期粘附的改善.
- DST-TA表现出良好的血液相容性,生物降解性,并且没有细胞毒性.
结论:
- 酸修饰干双面带 (DST-TA) 克服了传统带在潮湿环境中的局限性.
- DST-TA提供强大的粘附性,减少胀和有利的生物相容性.
- 这种修改后的粘合剂为长期医疗应用提供了一个可行的选择,需要在潮湿的条件下粘合.
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