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Fusarium solani: a novel biological agent for the extracellular synthesis of silver nanoparticles

Ingle, Avinash and Rai, Mahendra and Gade, Aniket and Bawaskar, Manisha (2009) Fusarium solani: a novel biological agent for the extracellular synthesis of silver nanoparticles. Journal of Nanoparticle Research, 11 (8). pp. 2079-2085.

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We report extracellular biosynthesis of silver nanoparticles by Fusarium solani (USM-3799), a phytopathogen causing disease in onion, when challenged with 1 mM silver nitrate (AgNO3). The formation of nanoparticles was characterized by visual observation followed by UV–Vis spectrophotometric analysis, which showed a peak at about 420 nm, which is very specific for silver nanoparticles. Further analysis carried out by Fourier Transform Infrared Spectroscopy (FTIR), provides evidence for the presence of proteins as capping agent, which helps in increasing the stability of the synthesized silver nanoparticles. Transmission Electron Microscopy (TEM) investigations confirmed that silver nanoparticles were formed. The synthesized silver nanoparticles were found to be polydispersed, spherical in the range of 5–35 nm with average diameter of 16.23 nm. Extracellular synthesis of nanoparticles could be highly advantageous from the point of view of synthesis in large quantities and easy downstream processing.

Item Type:Article
Uncontrolled Keywords:Extracellular - Fusarium solani - TEM - Eco-friendly - Downstream processing - Antimicrobial agent - Nanobiotechnology
Subjects:Analytical Science > Microscopy and probe methods
Biomedical Science > Nanoscale biological processes
Biomedical Science > Nanobiotechnology
ID Code:7961
Deposited By:IoN
Deposited On:07 Jan 2010 14:44
Last Modified:07 Jan 2010 14:44

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