Extracellular Bio-synthesis of Bio-active Nano-silver Using Alfalfa Seedling

被引：0
|
作者：
Rabie, Gamal H. [1 ]
Hegazy, Hegazy S. [1 ]
Shahan, Lamis D. [1 ]
Raie, Diana S. [2 ]
机构：
[1] Zagazg Univ, Fac Sci, Zagazig, Sharqya State, Egypt
[2] Egyptian Petr Res Inst, Cairo, Egypt
来源：
RESEARCH JOURNAL OF PHARMACEUTICAL BIOLOGICAL AND CHEMICAL SCIENCES | 2015年 / 6卷 / 01期
关键词：
Silver Nanoparicles; Alfalfa; Seedling; Anti-fungal; Bio-synthesis; Antioxidants;
D O I：
暂无
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
After exposure of seedling to aqueous solution of silver nitrate, spherical silver nanoparticles are biosynthesized with a size ranges from 5 to 30 nm. Nanoparticles are characterized using high resolution transmission electron microscope, ultraviolet-visible absorption spectroscopy and FTIR spectroscopy. Adjustment of bulk material pH plays a significant role in metal bio-sorption and nanoparticle morphology. A spherical shape in a size ranges from 2 nm to 7.5 nm occurs at pH 10. The main reducing agent is supposed to be an antioxidant exuded as a result of metal stress. The stabilizing agent could be polyphenols in aliphatic mode. The bio-synthesized spherical silver nanoparticle ranging from 2 nm to 7.5 nm is tested against Candida albicans. It is approved its fungicidal effect. So, alfalfa seedling can be used a bio-maker for bio-active nanosilver.
引用
收藏
页码：87 / 93
页数：7
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