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Biosynthesis, characterisation and antimicrobial activity of silver nanoparticles using Hibiscus rosa-sinensis petals extracts

机译:罗莎木槿花瓣提取物对银纳米颗粒的生物合成,表征和抑菌活性

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摘要

Green synthesis of metallic nanoparticles has lured the world from the chemical and physical approaches owing to its rapid, non-hazardous and economic aspect of production mechanism. In this study, silver nanoparticles (AgNPs) were synthesised using petal extracts of . The AgNPs displayed characteristic surface plasmon resonance peak at around 421 nm having a mean particle size of 76.25 ± 0.17 nm and carried a charge of -41 ± 0.2 mV. The X-ray diffraction patterns displayed typical peaks of face centred cubic crystalline silver. The surface morphology was characterised by scanning electron microscopy and atomic force microscopy. Fourier transform infrared spectroscopy studies confirmed the surface modifications of the functional groups for the synthesis of AgNPs. Furthermore, the synthesised AgNPs displayed proficient antimicrobial activity against pathogenic strains of , , and .
机译:金属纳米颗粒的绿色合成因其快速,无害且经济的生产机理,已从化学和物理方法吸引了全世界。在这项研究中,使用的花瓣提取物合成了银纳米颗粒(AgNPs)。 AgNPs在约421nm处显示特征性表面等离子体共振峰,其平均粒径为76.25±0.17nm,并带有-41±0.2mV的电荷。 X射线衍射图显示了面心立方晶体银的典型峰。表面形态通过扫描电子显微镜和原子力显微镜表征。傅里叶变换红外光谱研究证实了用于合成AgNPs的官能团的表面修饰。此外,合成的AgNPs对,和的致病性菌株显示出出色的抗菌活性。

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