Extracellular biosynthesis of functionalized silver nanoparticles by strains of Cladosporium cladosporioides fungus

In the present investigation, we report the extracellular biosynthesis of silver nanoparticles (AgNP) employing the fungus Cladosporium cladosporioides. The extracellular solution of C. cladosporioides was used for the reduction of AgNO 3 solution to AgNP. The present study includes time dependent f...

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Bibliographic Details
Published in:Colloids and surfaces, B, Biointerfaces B, Biointerfaces, 2009, Vol.68 (1), p.88-92
Main Authors: Balaji, D.S., Basavaraja, S., Deshpande, R., Mahesh, D. Bedre, Prabhakar, B.K., Venkataraman, A.
Format: Article
Language:English
Subjects:
Biosynthesis
Cladosporium - metabolism
Cladosporium cladosporioides
Microscopy, Electron, Transmission
Nanoparticles - chemistry
Reduction
Silver - chemistry
Silver - metabolism
Silver nanoparticles (AgNP)
Silver Nitrate
Spectroscopy, Fourier Transform Infrared
TEM (transmission electron microscopy)
X-Ray Diffraction
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Summary:In the present investigation, we report the extracellular biosynthesis of silver nanoparticles (AgNP) employing the fungus Cladosporium cladosporioides. The extracellular solution of C. cladosporioides was used for the reduction of AgNO 3 solution to AgNP. The present study includes time dependent formation of AgNP employing UV–vis spectrophotometer, size and morphology by employing TEM (transmission electron microscopy), structure from powder X-ray diffraction (XRD) technique and understanding of protein–AgNP interaction from Fourier transform infrared (FT-IR) spectroscopy. The AgNP were 10–100 nm in dimensions as measured by TEM images.
ISSN:0927-7765
1873-4367
DOI:10.1016/j.colsurfb.2008.09.022