多功能纳米纤维地毯:针对抗菌和抗炎应用,以及视觉细菌诊断
Yujie Gao1, Wenxiang Pei1, Yang Yang1
1MOE Key Laboratory of Advanced Textile Materials & Manufacturing Technology, Zhejiang Sci-Tech University, Hangzhou, 310018, China. wujindan@zstu.edu.cn.
Journal of materials chemistry. B
|August 4, 2023
概括
这项研究介绍了一种新型的纳米纤维,可以对抗细菌感染和伤口炎症. 包裹还能在视觉上发出感染的信号,引导及时改变以更好地治疗伤口.
科学领域:
- 生物材料科学 生物材料科学
- 纳米技术纳米技术
- 伤口愈合 治愈 伤口愈合
背景情况:
- 伤口管理面临来自细菌感染和炎症的挑战.
- 目前的包裹往往缺乏综合感染监测和及时更改指导.
- 需要多功能伤口带来解决这些局限性.
研究的目的:
- 开发一种用于伤口愈合的抗菌和抗炎纳米纤维.
- 将普鲁士蓝色纳米晶体用于增强抗炎活性和感染监测.
- 为了能够及时诊断细菌感染,并指导连衣的变化.
主要方法:
- 同轴电,以封装 gentamicin 硫酸盐 (GS) 和 ibuprofen (IB) 在纳米纤维.
- 用普鲁士蓝色纳米晶体 (PBNC) 进行装饰.
- 药物释放的评估,对黄金葡萄球菌和大肠杆菌的抗菌活性,抗炎作用 (ROS和细胞因子减少),以及细菌感染监测能力.
主要成果:
- 纳米纤维在120分钟内迅速释放药物.
- 它对S. aureus和E. coli都表现出极好的抗菌活性.
- 观察到反应性氧物种 (ROS) 和促炎性细胞因子的显著减少,表明强烈的抗炎作用.
- 这种子可以用肉眼或颜色测量来诊断活体细菌,从而促进感染的监测.
结论:
- 开发的多功能纳米纤维地毯有效地治疗细菌感染和伤口炎症.
- 普鲁士蓝色纳米晶增强治疗效果,并提供感染的视觉指标.
- 这种神经治疗方法显示了改善伤口愈合和及时包裹管理的巨大潜力.
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