Biological synthesis of very small silver nanoparticles by culture supernatant of Klebsiella pneumonia: The effects of visible-light irradiation and the liquid mixing process

被引：115

作者：

Mokhtari, Narges ^{[1
]}

Daneshpajouh, Shahram ^{[2
]}

Seyedbagheri, Seyedali ^{[2
]}

Atashdehghan, Reza ^{[2
]}

Abdi, Khosro ^{[1
]}

Sarkar, Saeed ^{[3
]}

Minaian, Sara ^{[1
]}

Shahverdi, Hamid Reza ^{[4
]}

Shahverdi, Ahmad Reza ^{[1
]}

机构：

[1] Univ Tehran Med Sci, Fac Pharm, Dept Pharmaceut Biotechnol, Tehran, Iran

[2] Natl Iranian Copper Ind Co, Hydromet Res Unit, Ctr Res & Dev, Sarcheshmeh, Rafsanjan, Iran

[3] Univ Tehran Med Sci, Res Ctr Sci & Technol Med, Tehran, Iran

[4] Tarbiat Modares Univ, Fac Engn, Dept Mat Sci, Tehran, Iran

来源：

MATERIALS RESEARCH BULLETIN | 2009年 / 44卷 / 06期

关键词：

Nanostructures; Elements; Halides; Electron microscopy; X-ray diffraction; RAPID SYNTHESIS; REDUCTION;

D O I：

10.1016/j.materresbull.2008.11.021

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This study has investigated different visible-light irradiation's effect on the formation of silver nanoparticles from silver nitrate using the culture supernatant of Klebsiella pneumonia. Our study shows that visible-light emission can significantly prompt the synthesis of silver nanoparticles. Also, the study experimentally investigated the liquid mixing process effect on silver nanoparticle synthesis by visible-light irradiation. This study successfully synthesized uniformly dispersed silver nanoparticles with a uniform size and shape in the range of 1-6 nm with an average size of 3 nm. Furthermore, the study investigated the mechanism of the reduction of silver ions by culture supernatant of K. pneumonia and, used X-ray diffraction to characterize silver chloride as an intermediate compound. Silver chloride was prepared synthetically and used as a substrate for the synthesis of silver nanoparticles by Culture supernatant of K. pneumonia. The silver nanoparticles have been prepared from silver chloride during this investigation for the first time. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：1415 / 1421

页数：7

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