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Biosynthesis of quasi-spherical Ag nanoparticle by Pseudomonas aeruginosa as a bioreducing agent

Published online by Cambridge University Press:  14 November 2011

S.M. Taheri Otaqsara
S.M. Taheri Otaqsara*
Affiliation:
Faculty of Science, Majlesi Branch, Islamic Azad University, Isfahan, Islamic Republic of Iran
*
ae-mail: smt.otaqsara@gmail.com
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Abstract

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.

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 56 , Issue 3: Focus on organic electronic devices , December 2011 , 30402
Copyright
© EDP Sciences, 2011

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