使用Valeriana wallichii合成的AgNO3纳米颗粒对ESKAPE病原体具有抗菌活性
Razaullah Shah1, Ifrah Sarosh2, Rabia Shaukat3
1Department of Microbiology, Hazara University Mansehra, Pakistan.
Pakistan journal of pharmaceutical sciences
|August 7, 2023
概括
瓦莱里亚娜瓦利基提取物和纳米颗粒显示出对抗多药耐药ESKAPE细菌的前景. 纳米颗粒,特别是从树苗提取物中提取的纳米颗粒,与单独的植物提取物相比,显示出更高的抗菌活性.
科学领域:
- 药理学 药理学是指药理学的学科.
- 纳米技术纳米技术
- 微生物学 微生物学
背景情况:
- 多药耐药 (MDR) ESKAPE感染是一个重大的全球健康挑战,通常来自医院环境.
- 逃生病原体 (Enterococcus faecium,Staphylococcus aureus,Klebsiella pneumoniae,Acinetobacter baumannii,Pseudomonas aeruginosa和Enterobacter物种) 以其对现有的抗生素的耐药性而闻名. 它们的耐药性是臭名昭著的.
- 迫切需要新的治疗策略来对抗这些耐药性感染.
研究的目的:
- 研究Valeriana Wallichii提取物及其合成的纳米颗粒对MDR ESKAPE病原体的抗菌疗效.
- 用先进的分析技术来描述合成的纳米粒子.
- 为了比较植物提取物和纳米颗粒的抗菌活性.
主要方法:
- 评估了抗菌活性,使用在Muller Hinton agar上的井扩散技术.
- 纳米粒子是使用环保方法合成的,其特点是富里埃变换红外光谱 (FTIR),扫描电子显微镜 (SEM) 和X射线衍射 (XRD).
- 提取物和纳米颗粒被测试对多种耐药性ESKAPE细菌的各种菌株.
主要成果:
- 与甲醇和水提取物相比,Valeriana Wallichii纳米颗粒表现出增强的抗菌活性.
- 来自芽提取物的纳米颗粒显示出对所有测试的MDR ESKAPE感染具有显著的有效性,具有显著的抑制区域.
- 虽然根和芽的提取物都表现出活性,但纳米颗粒在抑制细菌生长方面通常优于原始提取物.
结论:
- 瓦莱里安娜·瓦利希基 (Valeriana Wallichii) 衍生出的纳米颗粒代表了对抗多抗药性ESKAPE感染的有效策略.
- 生物活性化合物如类,类,类和类植物素的存在有助于观察到的抗菌作用.
- 对这些纳米颗粒的进一步研究可能会导致开发新的抗菌剂.
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