Biosynthesis of silver nanoparticles by Novosphingobium sp THG-C3 and their antimicrobial potential

被引：37
作者：
Du, Juan [1 ]
Singh, Hina [1 ]
Yi, Tae-Hoo [1 ]
机构：
[1] Kyung Hee Univ, Coll Life Sci, Dept Oriental Med Biotechnol, Global Campus,1732 Deokyoungdaero, Yongin 446701, Gyeonggi Do, South Korea
来源：
ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY | 2017年 / 45卷 / 02期
关键词：
Antimicrobial effect; biosynthesis; Novosphingobium sp; silver nanoparticles; THG-C3; SP NOV; GREEN SYNTHESIS; EXTRACT;
D O I：
10.1080/21691401.2016.1178135
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
The present study described biosynthesis of silver nanoparticles (AgNPs) using a bacterial strain Novosphingobium sp. THG-C3, isolated from soil, and their application in antibacterial activity. The maximum absorbance values of the synthesized AgNPs was measured at 406 nm in ultraviolet-visible spectrophotometry and were mostly spherical in shape with particle size in range of 8-25 nm by field emission transmission electron microscopy analysis. X-ray diffraction pattern corresponding to planes (111), (200), (220), and (311) demonstrated the crystalline nature of the AgNPs. The synthesized AgNPs exhibited antimicrobial activity against various pathogens inculding Staphylococcus aureus, Candida tropicalis, Pseudomonas aeruginosa, Escherichia coli, Vibrio parahaemolyticus, Candida albicans, Salmonella enterica, Bacillus subtilis, and Bacillus cereus. In addition, the AgNPs in combination with commercial antibiotics enhanced antimicrobial activity against P. aeruginosa, S. enterica, E. coli, and V. parahaemolyticus. The AgNPs synthesized by strain Novosphingobium sp. THG-C3 are comparatively simple, green, cost-effective, and may serve as a potential antimicrobial agent.
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收藏
页码：211 / 217
页数：7
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