珍塔素和桑封顶的ZnO纳米颗粒之间的协同杀菌组合:重新定位这种一线抗生素的有希望的策略
Ivana R Scolari1, Paulina L Páez1, Gladys E Granero1
1Unidad de Investigaciones y Desarrollo en Tecnología Farmacéutica (UNITEFA)-CONICET, Departamento de Ciencias Farmacéuticas, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Argentina.
Heliyon
|February 15, 2024
概括
氧化纳米颗粒 (ZnO NPs) 与丁胺素 (GEN) 结合,显示出增强的杀菌活性. 酸盐覆盖的 ZnO NPs 显著提升了 GEN GEN 的性能.
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:
- 抗菌素耐药性构成了全球卫生危机,需要新的治疗策略.
- 作为一种广泛的抗生素,Gentamicin (GEN) 由于新出现的耐药性而面临限制.
- 纳米粒子为增强现有的抗菌剂提供了潜力.
研究的目的:
- 为了研究氧化物纳米颗粒 (ZnO NPs) 与 gentamicin (GEN) 结合的协同杀菌作用.
- 评估基托 (CS) 限制对 ZnO NPs 抗菌疗效的影响.
- 探索GEN-ZnO NP组合增强抗菌活性背后的机制.
主要方法:
- 确定ZNONP和GEN的最小抑制度 (MIC) 和最小杀菌度 (MBC) 的确定.
- 合成和表征酸盐覆盖的 ZnO NPs.
- 对结合GEN和CS封顶ZnONP对细菌菌株的协同效应的评估.
主要成果:
- ZnO NPs表现出较低的MIC (0.0021.5 μg/mL),明显低于它们的前体盐.
- 与未加盖的ZnO NPs相比,桑加盖的ZnO NPs的MIC甚至更低.
- 具有CS封顶的ZnO NPs和GEN的组合显示出显著的协同活性,在降低度下抑制细菌生长.
结论:
- 酸盐覆盖的 ZnO NPs 通过协同作用增强了 gentamicin 的杀菌效果.
- 增强的活性可能涉及增加的纳米粒子-细菌相互作用和反应性氧物种 (ROS) 生产.
- 这些发现表明,对 gentamicin 的重新定位和打击抗菌素耐药性的有希望的策略.
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