Biosynthesis of silver nanoparticles from Trichoderma species.
Indian J Exp Biol
;
2013 Jul; 51(7): 543-547
Article
in English
| IMSEAR
| ID: sea-147625
ABSTRACT
A total of 75 isolates belonging to five different species of Trichoderma viz., T. asperellum, T. harzianum, T. longibrachiatum, T. pseudokoningii and T. virens were screened for the production of silver nanoparticles. Although all the isolates produced nanoparticles, T. virens VN-11 could produce maximum nanoparticles as evident from the UV-Vis study. The highest Plasmon band was observed at 420 nm at every 24 h that attained maximum intensity at 120 h (0.543). The high resolution transmission electron microscopy (HRTEM) further provided the morphology of the nanoparticles. These nanoparticles were found single or aggregated with round and uniform in shape and 8-60 nm in size. The nitrate reductase activity of VN-11 was found to be 150 nmol/h/mL which confirmed the production of silver nanoparticles through reduction of Ag+ to Ag0.
Full text:
Available
Index:
IMSEAR (South-East Asia)
Main subject:
Particle Size
/
Silver
/
Trichoderma
/
Nanotechnology
/
Microscopy, Electron, Transmission
/
Nitrate Reductase
/
Metal Nanoparticles
Language:
English
Journal:
Indian J Exp Biol
Year:
2013
Type:
Article
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