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首页> 外文期刊>Anuario de Psicologia Juridica >Biogenic synthesis of silver nanoparticles from white rot fungi: Their characterization and antibacterial studies
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Biogenic synthesis of silver nanoparticles from white rot fungi: Their characterization and antibacterial studies

机译：白腐真菌的生物合成银纳米颗粒的表征和抗菌研究

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The advanced research and development of silver nanoparticles (AgNPs) is vast due to their incredible applications today. In this work, research was focused on the production, characterization and antibacterial studies of silver nanoparticles (AgNPs). We used an environmentally friendly extracellular biosynthetic method for the production of the AgNPs. The reducing agents used to produce the nanoparticles were from culture filtrate extracts made from two white rot fungi. Synthesis of colloidal AgNPs was monitored by UV-Visible spectroscopy. The UV-Visible spectrum showed a peak between 419 and 421nm corresponding to the Plasmon absorbance of the AgNPs. The characterization of the AgNPs such as their size and shape was performed by Transmission Electron Microscopy (TEM) techniques which indicated a size range of 15–25nm. The anti-bacterial activity of AgNPs was investigated by using four Gram-negative and four Gram-positive bacteria. All the bacterial strains are showing good antibacterial activity.
机译：银纳米颗粒（AgNPs）的先进研究和开发因其不可思议的当今应用而得到了广泛的应用。在这项工作中，研究集中在银纳米颗粒（AgNPs）的生产，表征和抗菌研究上。我们使用了一种环境友好的细胞外生物合成方法来生产AgNPs。用于产生纳米颗粒的还原剂来自由两种白腐真菌制成的培养物滤液提取物。胶体AgNPs的合成通过UV-可见光谱法监测。紫外可见光谱显示在419nm和421nm之间的一个峰，对应于AgNPs的等离子体吸收。 AgNP的大小和形状等特征通过透射电子显微镜（TEM）技术进行，其尺寸范围为15–25nm。通过使用四种革兰氏阴性细菌和四种革兰氏阳性细菌研究AgNPs的抗菌活性。所有细菌菌株均显示出良好的抗菌活性。

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