Low-cost and eco-friendly synthesis of silver nanoparticles using coconut (Cocos nucifera) oil cake extract and its antibacterial activity

被引：83
作者：
Govarthanan, Muthusamy [1 ]
Seo, Young-Seok [1 ]
Lee, Kui-Jae [1 ]
Jung, Ik-Boo [1 ]
Ju, Ho-Jong [2 ]
Kim, Jae Su [2 ]
Cho, Min [1 ]
Kamala-Kannan, Seralathan [1 ]
Oh, Byung-Taek [1 ]
机构：
[1] Chonbuk Natl Univ, Adv Inst Environm & Biosci, Div Biotechnol, Coll Environm & Bioresource Sci, Iksan 570752, South Korea
[2] Chonbuk Natl Univ, Dept Agr Biol, Coll Agr & Life Sci, Iksan, South Korea
来源：
ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY | 2016年 / 44卷 / 08期
基金：
新加坡国家研究基金会;
关键词：
Antibacterial activity; green synthesis; oil cake; silver nanoparticles; SOLID-STATE FERMENTATION; GREEN SYNTHESIS; EXTRACELLULAR BIOSYNTHESIS; LEAF EXTRACT; FUNGUS;
D O I：
10.3109/21691401.2015.1111230
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 reports the simple, inexpensive, eco-friendly synthesis of silver nanoparticles (AgNPs) using coconut oil cake extract. Scanning electron microscopy-energy dispersive spectroscopy peak at 3 keV confirmed the presence of silver. Transmission electron micrograph showed that nanoparticles are mostly circular with an average size of 10-70 nm. The results of the X-ray powder diffraction analysis (2=46.2, 67.4 and 76.8) indicated the crystal nature of the AgNPs. Fourier transform infrared spectroscopy analysis indicates that proteins present in the oilcake extract could be responsible for the reduction of silver ions. The synthesized AgNPs (1-4mm) reduced the growth rate of multi-antibiotic-resistant bacteria such as Aeromonas sp., Acinetobacter sp. and Citrobacter sp. isolated from livestock wastewater.
引用
收藏
页码：1878 / 1882
页数：5
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