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在Callistemon viminalis提取物中银和金纳米颗粒的绿色合成及其抗菌活性

Shahid Khan¹, Abdur Rauf², Abdullah S M Aljohani³

¹Department of Chemistry, University of Swabi, Anbar, Khyber Pakhtunkhwa, 23561, Pakistan.

Bioprocess and biosystems engineering

|March 21, 2024

概括

瓶植物提取物绿色合成的银和金纳米粒子,显示出针对各种病原体的显著抗菌和抗真菌特性. 这项研究为从自然来源获得的新型抗菌剂铺平了道路.

科学领域:

纳米技术纳米技术
绿色化学绿色化学
微生物学微生物学

背景情况:

越来越多的抗生素耐药微生物使得开发新型抗菌剂成为必要.
植物衍生化合物为纳米粒子合成提供了可持续和环保的方法.
瓶 (Callistemon viminalis) 具有丰富的植物化学特征,具有潜在的生物活性.

研究的目的:

为了绿色合成银 (Ag) 和金 (Au) 纳米粒子使用Callistemon viminalis提取物.
为了表征合成的Ag和Au纳米粒子.
评估合成纳米颗粒的抗菌和抗真菌功效.

主要方法:

在Callistemon viminalis提取物中进行植物化学选.
绿色合成的Ag和Au纳米粒子.
使用紫外线可见光谱,FTIR,FE-SEM和EDX分析进行表征.
针对选定的微生物菌株进行抗菌和抗真菌检测.

主要成果:

紫外线-Vis光谱显示在420nm (Ag NPs) 和525nm (Au NPs) 的最大吸收.
FE-SEM证实了平均尺寸为100纳米的球形纳米粒子.
EDX分析验证了Ag和Au NP的元素组成和纯度.
合成的Ag和AuNP显示出对大肠杆菌,金黄色葡萄球菌,肺炎菌,肺炎菌,白菌,Candida albicans,C. krusei,Aspergillus sp.和Trichoderma物种的显著抑制区.

结论:

卡利斯 (Callistemon viminalis) 是Ag和Au纳米粒子绿色合成的有效前体.
合成的纳米颗粒具有强大的广泛抗菌和抗真菌活性.
这项研究强调了绿色合成纳米颗粒作为一种新型抗菌剂的潜力.

关键词:

这种叫做"" (Callistemon viminalis) 的动物.抗菌和抗真菌活动.标志性描述标志性描述绿色合成是一种绿色合成.银纳米颗粒银纳米粒子

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