日光诱导 D.K. 弗格森树皮提取物合成银纳米粒子及其对 和 的抗菌活性。
Sunlight induced biosynthesis of silver nanoparticle from the bark extract of D.K. Ferguson and its antibacterial activity against and .
机构信息
Department of Biotechnology, Gauhati University, Guwahati 781014, Assam, India.
Department of Biotechnology, Amity University, Sector 125, Noida, UP 201301, India.
出版信息
IET Nanobiotechnol. 2019 Feb;13(1):18-22. doi: 10.1049/iet-nbt.2018.5036.
Green synthesis of nanoparticles has gained importance due to its eco-friendly, low toxicity and cost effective nature. This study deals with the biosynthesis of silver nanoparticles (AgNPs) from the bark extract of . The AgNPs have been synthesised by reducing the silver ions into stable AgNPs using the bark extract of under the influence of sunlight irradiation The characterisation of the biosynthesised AgNPs was carried out by UV-vis spectroscopy, X-ray diffraction analysis (XRD), Fourier transform infrared spectroscopy, scanning electron microscopy (SEM) and energy dispersive X-ray analysis. The UV-vis spectrum showed a broad peak at 472 nm. Also, the XRD confirmed the crystalline structure of the AgNPs. Moreover, the SEM analysis revealed that the biosynthesised AgNPs were spherical in shape. Also, dynamic light scattering techniques were used to evaluate the size distribution profile of the biosynthesised AgNPs. Furthermore, the biosynthesised AgNPs showed a prominent inhibitory effect against both (MTCC 111) and (MTCC 97). Thus the biosynthesis of AgNPs from the bark extract of is found to eco-friendly way of producing AgNPs compared to chemical method.
由于其环保、低毒性和具有成本效益的特点，纳米粒子的绿色合成受到了重视。本研究涉及从 树皮提取物中生物合成银纳米粒子 (AgNPs)。AgNPs 是通过在阳光照射下用 树皮提取物还原银离子合成的。所合成的 AgNPs 的特性通过紫外可见光谱、X 射线衍射分析 (XRD)、傅里叶变换红外光谱、扫描电子显微镜 (SEM) 和能量色散 X 射线分析进行了表征。紫外可见光谱在 472nm 处显示出一个宽峰。此外，XRD 证实了 AgNPs 的结晶结构。此外，SEM 分析表明所合成的 AgNPs 呈球形。此外，动态光散射技术用于评估所合成的 AgNPs 的粒径分布。此外，所合成的 AgNPs 对 （MTCC 111）和 （MTCC 97）均表现出显著的抑制作用。因此，与化学方法相比，从 树皮提取物中生物合成 AgNPs 被认为是一种环保的生产 AgNPs 的方法。
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