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首页> 外文期刊>Microbial Pathogenesis >Biosynthesis of silver nanoparticles using red algae Portieria hornemannii and its antibacterial activity against fish pathogens
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Biosynthesis of silver nanoparticles using red algae Portieria hornemannii and its antibacterial activity against fish pathogens

机译：红藻Portieria Hornemannii的银纳米粒子生物合成及其对鱼类病原体的抗菌活性

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摘要

In the present study, red algae Portieria hornemannii was scrutinized for the productive synthesis of silver nanoparticles. These biosynthesized nanoparticles were characterized by visible color change and ultraviolet visible spectrophotometry that indicated the formation of nanoparticles at the absorbance of 418 nm. Fourier transforms infrared spectroscopy, X-ray Diffraction analysis was further carried out to study the functional groups and crystalline nature of the substance. Scanning electron microscopy and Transmission electron microscopy exposed the shape of the silver nanoparticles, which was found to be spherical. Energy dispersive X-ray spectroscopy confirmed the presence of the metal silver. Stability of nanoparticles was analyzed using Zeta potential. The synthesized nanoparticles were found to be active against the fish pathogens Vibrio harveyii, Vibrio parahaemolyticus, Vibrio alginolyticus and Vibrio anguillarum. The highest activity was found against the pathogens V. harveyii and V. parahaemolyticus. We have established an environmental friendly synthesis of Silver nanoparticles which can be used as an alternative to commercially available antibiotics in the treatment of fish diseases.
机译：在本研究中，红藻portiia Hornemannii被仔细检查了银纳米粒子的生产合成。这些生物合成的纳米颗粒的特征在于可见变色和紫外线可见光光度法，其表明在418nm的吸光度下形成纳米颗粒。傅里叶变换红外光谱，进一步进行X射线衍射分析，以研究该物质的官能团和结晶性质。扫描电子显微镜和透射电子显微镜暴露的是银纳米颗粒的形状，该形状被发现是球形的。能量分散X射线光谱证实了金属银的存在。使用Zeta电位分析纳米颗粒的稳定性。发现合成的纳米颗粒对鱼类病原体哈维，血管溶血性和vibrio anguillarum患者是活性的。发现最高的活性对病原体V.Arveyii和V.Parahaemolyticus。我们已经建立了一种环保合成的银纳米颗粒，可作为可商业上可获得的抗生素的替代品在治疗鱼类疾病中。

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