让万科米辛成为一种强大的广谱抗菌剂,使用聚亚齐里丁稳定黄金纳米颗粒作为输送工具
Atul Kumar Tiwari1, Aishwarya Nikhil2, Avinash Chaurasia3
1Department of Chemistry, Indian Institute of Technology (BHU), Varanasi, India.
Journal of biomaterials applications
|March 15, 2025
概括
黄金纳米颗粒 (PEI-AuNP@Van) 显示出对抗性微生物的强化生物杀伤活性. 这种新的纳米配方提供了一种有前途的策略来打击抗微生物药物耐药性.
科学领域:
- 纳米技术纳米技术
- 微生物学 微生物学
- 药理学 药理学是指药理学的学科.
背景情况:
- 抗微生物药物耐药性是一个日益增长的全球健康威胁.
- 新型药物输送系统对于克服耐药微生物至关重要.
- 范科米辛的疗效受到某些病原体耐药性的限制.
研究的目的:
- 作为对抗耐药微生物的策略,研究菌素结合金纳米粒子 (PEI-AuNP@Van).
- 描述PEI-AuNP@Van.的结合和评估生物杀菌活性.
- 阐明PEI-AuNP@Van在不同微生物物种中的作用模式.
主要方法:
- 使用UV-Vis,XRD,TEM,ATR-FTIR和光光谱学合成和表征化黄金合纳米粒子 (PEI-AuNP@Van).
- 在 *C. albicans*, *C. tropicalis*, *E. coli* 和 *P. aeruginosa* 中评估纳米粒子内部化和表面吸附.
- 在体外评价生物杀菌活性与自由的万科米辛和未结合的黄金纳米粒子相比.
主要成果:
- 证实了万科米辛在聚乙烯胺胺稳定黄金纳米颗粒上的成功结合.
- PEI-AuNP@Van对所有测试的微生物菌株表现出增强的杀菌活性.
- 纳米颗粒的吸收因细胞类型而异,在真菌中内部化,在细菌中表面吸附.
- 作用模式涉及到反应性氧物种的产生,膜损伤和亡,这取决于微生物物种.
结论:
- 黄金纳米颗粒与菌素结合,代表了一种强大的抗微生物纳米配方.
- 这种方法显示出克服抗微生物药物耐药性的前景.
- 取决于细胞类型的作用模式突显了这种纳米输送系统的多功能性.
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