来自Phoenix dactylifera (Ajwa日) 的沙因衍生银纳米颗粒表现出广泛的生物活性,可以对抗细菌感染
Mohd Adnan1,2, Arif Jamal Siddiqui1,2, Syed Amir Ashraf2,3
1Department of Biology, College of Science, University of Ha'il, Ha'il 55473, Saudi Arabia.
Antibiotics (Basel, Switzerland)
|September 28, 2023
概括
来自阿贾瓦日的银纳米颗粒显示出强大的抗菌,抗菌膜和抗 кворум感知活性. 这些发现为打击抗生素耐药性和细菌感染提供了有希望的替代方案.
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:
- 抗生素耐药性是一种全球性卫生危机,需要新型抗菌剂.
- 银纳米粒子 (AgNPs) 正在因其抗菌性质而受到探索.
- 自然化合物可以用于纳米粒子合成.
研究的目的:
- 为了合成和表征来自阿贾瓦日的素衍生的银纳米粒子 (AgNPs-S).
- 评估AgNPs-S.的抗菌,抗菌膜和抗定数感应 (anti-QS) 活动.
- 探索AgNPs-S作为抗细菌感染的替代治疗剂的潜力.
主要方法:
- 使用阿贾瓦枣香提取物作为减少和稳定剂的AgNPs-S生物合成.
- 使用UV-Vis光谱,FTIR和TEM的AgNPs-S的表征.
- 对抗各种细菌菌株的抗菌,抗菌膜和抗QS活动的评估.
- 对抗氧化剂和细胞毒性作用的评估.
主要成果:
- 成功合成和表征AgNPs-S,具有强大的抗菌活性,对抗阳性和阴性细菌.
- AgNPs-S显著抑制了生物膜形成和定数感应 (QS) 活动.
- 这些纳米颗粒表现出抗氧化特性和对A549肺癌细胞的细胞毒性.
- 作用机制涉及细菌细胞膜的破坏和干扰QS信号.
结论:
- 来自阿贾瓦枣的沙宁衍生的银纳米颗粒通过向多个途径,对抗细菌感染有效.
- AgNPs-S代表了一种有前途的替代治疗策略,用于打击抗生素耐药性.
- 需要进一步的体内研究来确认治疗应用的疗效和安全性.
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