银纳米颗粒和多功能抗菌在表面的抗菌作用的比较
Daniel Moreno1,2,3, Judit Buxadera-Palomero1,2,3, Maria-Pau Ginebra1,2,3,4
1Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Universitat Politècnica de Catalunya BarcelonaTech (UPC), Av. Eduard Maristany 16, 08019 Barcelona, Spain.
International journal of molecular sciences
|June 10, 2023
概括
这项研究开发了使用银纳米颗粒和抗微生物来预防黄金葡萄球菌感染的抗菌涂层. 抗微生物涂层在24小时后对细菌表现出更高的疗效,所有涂层都被证明是非细胞毒性.
科学领域:
- 生物材料科学 生物材料科学
- 传染病研究 传染病研究
- 纳米技术纳米技术
背景情况:
- 植入物容易受到黄金葡萄球菌 (Staphylococcus aureus) 的殖民,导致感染.
- 开发抗菌表面对于植入成功至关重要.
- 现有策略需要加强,以进行强有力的感染预防.
研究的目的:
- 用银纳米颗粒和抗菌来创建新的抗菌表面.
- 评估连续涂层对黄金葡萄球菌的疗效.
- 评估开发的涂料的生物相容性.
主要方法:
- 用银纳米粒子和抗菌素通过化对表面的连续涂层.
- 优化银纳米粒子密度 (≈32.1 ± 9.4 nm).
- 对抗黄金葡萄球菌的抗菌活性和细胞毒性测试的评估.
主要成果:
- 所有涂层的表面在4小时后都显示出黄金葡萄球菌的减少.
- 与银纳米颗粒或组合涂层相比,抗微生物涂层在24小时后表现出更高的抗菌功效.
- 测试的涂层被发现对真核细胞无细胞毒性.
结论:
- 用银纳米颗粒和抗微生物对进行序列涂层,为预防植入物相关感染提供了一个有希望的策略.
- 抗微生物显示出作为生物材料表面有效抗菌剂的显著潜力.
- 开发的涂层安全用于真核细胞,表明良好的生物相容性.
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