Nano Science and Technology Institute
Nanotech 2008 Vol. 1
Nanotech 2008 Vol. 1
Nanotechnology 2008: Materials, Fabrication, Particles, and Characterization - Technical Proceedings of the 2008 NSTI Nanotechnology Conference and Trade Show, Volume 1
 
Chapter 6: Characterization
 

Biologically synthesised Silver nanoparticles using a Bacterial Culture Isolated from the riverine bank of Ganges in India

Authors:N. Ahmad, S. Sharma, A.K. Ghosh
Affilation:Reader, IN
Pages:994 - 997
Keywords:nanoparticles, biodiversity, microbial synthesis
Abstract:Nanotechnology is a highly energized discipline of science and technology. One of the major challenges of nanotechnology is the synthesis of nanomaterials with a wide range of chemical compositions and sizes. Nanobiotechnology is a promising novel field specially for biodiverse countries. This asset can be harnessed in the field of technology by producing nanomaterial synthesis utilizing microorganisms Recently material scientists have been viewing with interest such microorganisms as possible ecofriendly nanofactories. Moreover, the ability to scale up synthesis strategies for low-cost, large-scale production is an important factor. The use of microorganisms for this purpose is an emerging area. In this paper, biosynthesis of nanomaterials is carried out from the microbial diversity obtained from the state of India, and grown in sutiable media.The cell lysate was prepared by suspending the cells in distilled water. When silver ions are added to the cell lysate, they are reduced to silver nanoparticles. The time required for silver reduction is drastically reduced if the solution is exposed to light. Optical absorption, X-ray diffraction, particle size analysis, and energy dispersive analysis of X-rays showed that the silver particles were in the nanoregime. Reduction of silver appears to be mediated by non-specific cellular constituents.
Biologically synthesised Silver nanoparticles using a Bacterial Culture Isolated from the riverine bank of Ganges in IndiaView PDF of paper
ISBN:978-1-4200-8503-7
Pages:1,118
Hardcopy:$159.95
 
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