合理设计的抗微生物结合石墨烯-银纳米颗粒加载奇多伤口包裹的抗微生物
Priyadarshani Choudhary1, Baskaran Ramalingam2, Sujoy K Das3
1Biological Materials Laboratory, Council of Scientific and Industrial Research (CSIR)-Central Leather Research Institute (CLRI), Chennai 600020, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
International journal of biological macromolecules
|June 19, 2023
概括
这项研究开发了一种新的基托桑基纳米生物复合剂伤口包裹 (CGAPL),具有增强的抗菌和益血管性质. 在老鼠中,CGAPL敷料显著加速了伤口愈合,性能优于商业替代品.
科学领域:
- 生物材料科学 生物材料科学
- 纳米技术纳米技术
- 再生医学是一种再生医学.
背景情况:
- 传统的伤口通常表现出较差的抗菌活性,粘附性,机械强度和灵活性,导致延迟愈合和并发症.
- 基于水凝的敷料提供了潮湿的环境,对于伤口冷却和大气交换至关重要,促进更好的愈合.
- 需要先进的伤口包裹材料来解决这些局限性,并加速自然愈合过程.
研究的目的:
- 开发和评估一个基于基托,石墨烯,银和e-Poly-l-lysine的多功能纳米生物复合剂伤口包裹 (CGAPL).
- 评估CGAPL纳米生物复合材料的物理化学,抗菌,细胞毒性,亲血管性和体内伤口愈合特性.
- 为了比较CGAPL带与商业可用的伤口带的疗效.
主要方法:
- 基托桑基纳米生物复合材料 (CGAPL) 的制备,其中包括石墨烯,银和e-Poly-l-lysine.
- 描述CGAPL的特性,包括水友性 (接触角度),机械强度,抗菌活性和细胞毒性 (L929纤维细胞细胞).
- 在Wistar大鼠中进行体外试验 (CAM试验,伤试验) 和体外试验,以评估伤口愈合效率,随后进行组织学分析.
主要成果:
- CGAPL敷料表现出水友性特性 (水接触角度42°) 和良好的机械强度 (78.9 MPa).
- 显示出显著的抗微生物活性,没有细胞毒性,并有亲血管性潜力 (CAM测定).
- 实体研究表明,CGAPL显著增强了伤口愈合,在14天内实现了完全关闭,优于Tegaderm和Fibroheal@Ag. 组织学证实了重新表皮化和组织形成.
结论:
- 开发的CGAPL纳米生物复合材料是一个有前途的多功能伤口包裹材料.
- 它提供卓越的抗菌,益血管性和加速伤口愈合的特性.
- CGAPL代表了一种新的治疗方法,用于有效和快速的伤口修复.
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