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首页> 外文期刊>African Journal of Biotechnology >Synthesis of silver nanoparticles using a probiotic microbe and its antibacterial effect against multidrug resistant bacteria
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Synthesis of silver nanoparticles using a probiotic microbe and its antibacterial effect against multidrug resistant bacteria

机译：益生菌微生物合成银纳米颗粒及其对耐多药细菌的抗菌作用

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摘要

In this paper, a probiotic microbe mediated biosynthesis of silver nanoparticles (AgNPs) is reported. The synthesis of AgNPs was monitored by ultraviolet (UV)-visible spectroscopy. The particles thereby obtained were characterized by UV spectra, Fourier transform infrared (FTIR), scanning electron microscopy (SEM) with energy dispersive spectroscopy (EDS) and using particle size analysis. The mechanism leading to nanoparticle formation was studied by using nitrate reductase assay. The bactericidal effect against common gram-positive and gram-negative bacteria has also been investigated. The results indicate a high antimicrobial activity for gram-negative organism so that this material can be a promising antimicrobial compound.
机译：本文报道了益生菌微生物介导的银纳米颗粒（AgNPs）的生物合成。 AgNPs的合成通过紫外（UV）可见光谱仪进行监控。通过UV光谱，傅立叶变换红外（FTIR），具有能量色散光谱法（EDS）的扫描电子显微镜（SEM）并使用粒度分析来表征由此获得的颗粒。通过硝酸还原酶测定研究了导致纳米颗粒形成的机理。还研究了对常见革兰氏阳性和革兰氏阴性细菌的杀菌作用。结果表明对革兰氏阴性生物具有很高的抗菌活性，因此该材料可以成为很有前途的抗菌化合物。

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