Extracellular Bioynthesis of Silver Nanoparticles by Penicillium chrysogenum and Penicillium expansum

In this study, silver nanoparticles production was performed by the green chemistry the Zanjan gold mine. The formation of nanosilvers was primarily confirmed by observation of color changing from colorless to brownish and UV-visible spectroscopy after 72 h of the reaction. The XRD spectrum exhibite...

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Bibliographic Details
Published in:Inorganic and nano-metal chemistry 2015-01, Vol.45 (6), p.844-847
Main Authors: Mohammadi, Behrouz, Salouti, Mojtaba
Format: Article
Language:English
Subjects:
biosynthesis
Formations
Fungi
Micrographs
Nanoparticles
Nanostructure
Penicillium
Penicillium chrysogenum
Penicillium expansum
Photomicrographs
Silver
silver nanoparticles
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Summary:In this study, silver nanoparticles production was performed by the green chemistry the Zanjan gold mine. The formation of nanosilvers was primarily confirmed by observation of color changing from colorless to brownish and UV-visible spectroscopy after 72 h of the reaction. The XRD spectrum exhibited 2θ values corresponding to silver nanocrystals. TEM and SEM micrographs showed the extracellular formation of spherical silver nanoparticles in the size range of 30-150 nm by Penicillium chrysogenum and extracellular formation of cubical silver nanoparticles in the size range of 50-200 nm by Penicillium expansum.
ISSN:1553-3174
2470-1556
1553-3182
2470-1564
DOI:10.1080/15533174.2013.862640