| Issue |
Eur. Phys. J. Appl. Phys.
Volume 56, Number 3, December 2011
|
|
|---|---|---|
| Article Number | 30402 | |
| Number of page(s) | 4 | |
| Section | Nanomaterials and Nanotechnologies | |
| DOI | https://doi.org/10.1051/epjap/2011110242 | |
| Published online | 14 November 2011 | |
https://doi.org/10.1051/epjap/2011110242
Biosynthesis of quasi-spherical Ag nanoparticle by Pseudomonas aeruginosa as a bioreducing agent
Faculty of Science, Majlesi Branch, Islamic Azad University, Isfahan, Islamic Republic of Iran
a e-mail: smt.otaqsara@gmail.com
Received:
6
June
2011
Revised:
17
July
2011
Accepted:
5
September
2011
Published online:
14
November
2011
Use of microorganism as a novel and eco-friendly strategy to production of nanomaterials is an important aspect of modern nanotechnology. Biosynthesis of quasi-spherical silver nanoparticles (Ag-NPs) has been investigated using Pseudomonas aeruginosa. We observe that silver (Ag+) ions when exposed to P. aeruginosa biomass are reduced in solution, thereby leading to the formation of Ag-NPs. Quasi-spherical shape and nearly well distribution and FCC crystal structure of Ag-NPs were confirmed by XRD pattern, STM and TEM micrographs. UV-Vis spectra show a surface plasmon resonance (SPR) band at ~ 435 nm.
© EDP Sciences, 2011
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