Copyright (c) 2013 AJC
This work is licensed under a Creative Commons Attribution 4.0 International License.
Biosynthesis of Silver Nanoparticles by Escherichia coli
Corresponding Author(s) : H.R. Ghorbani
Asian Journal of Chemistry,
Vol. 25 No. 3 (2013): Vol 25 Issue 3
Abstract
Development of reliable and eco-friendly processes for synthesis of metallic nanoparticles is an important step in nanotechnology. One of the options to achieve this objective is to use natural factories such as biological systems. In this study, we have investigated the synthesis of nanoparticles of silver by reduction of aqueous Ag+ ions with the culture supernatant of Escherichia coli (DH5a). UV-visible spectrum of the aqueous medium containing silver ion showed a peak at 415 nm corresponding to the plasmon absorbance of silver nanoparticles. The silver nanoparticle were 10-100 nm in dimensions as measured by TEM images. The process of reduction is extracellular, which makes it an easier method for the synthesis of silver nanoparticles.
Keywords
Download Citation
Endnote/Zotero/Mendeley (RIS)BibTeX
- D. Mandal, M.E. Bolander, D. Mukhopadhyay, G. Sarkar and P. Mukherjee, Appl. Microbiol. Biotechnol., 69, 485 (2006).
- R.V.K. Sharma, R.A. Yngard and Y. Lin, Adv. Colloid Interf. Sci., 145, 83 (2009).
- K.C. Bhainsa and S.F. D'Souza, Colloids Surf. B, 47, 160 (2006).
- P. Mohanpuria, N.K. Rana and S.K. Yadav, J. Nanopart Res., 10, 507 (2008).
- N. Durán, P.D. Marcato, G.I.H. De Souza, O.L. Alves and E. Esposito, J. Biomed. Nanotechnol., 3, 203 (2007).
- P. Mukherjee, A. Ahmad, D. Mandal, S. Senapati, S.R. Sainkar, M.I. Khan, R. Parishcha, P.V.A. Kumar, M. Alam, R. Kumar and M. Sastry, Nano Lett., 1, 515 (2001).
- A. Ahmad, P. Mukherjee, S. Senapati, D. Mandal, M.I. Khan, R. Kumar and M. Sastry, Colloids Surf. B, 28, 313 (2003).
- D.S. Balaji, S. Basavaraja, R. Deshpande, D.B. Mahesh, B.K. Prabhakar and A. Venkataraman, Colloids Surf. B, 68, 88 (2009).
- R. Joerger, T. Klaus and C.G. Granqvist, Adv. Mater., 12, 407 (2000).
- K. Kalimuthu, R.S. Babu, D. Venkataraman, M. Bilal and S. Gurunathan, Colloids Surf. B, 65, 150 (2008).
- H. Bar, D.K. Bhui, G.P. Sahoo, P. Sarkar, S.P. De and A. Misra, Colloids Surf. A, 339, 134 (2009).
References
D. Mandal, M.E. Bolander, D. Mukhopadhyay, G. Sarkar and P. Mukherjee, Appl. Microbiol. Biotechnol., 69, 485 (2006).
R.V.K. Sharma, R.A. Yngard and Y. Lin, Adv. Colloid Interf. Sci., 145, 83 (2009).
K.C. Bhainsa and S.F. D'Souza, Colloids Surf. B, 47, 160 (2006).
P. Mohanpuria, N.K. Rana and S.K. Yadav, J. Nanopart Res., 10, 507 (2008).
N. Durán, P.D. Marcato, G.I.H. De Souza, O.L. Alves and E. Esposito, J. Biomed. Nanotechnol., 3, 203 (2007).
P. Mukherjee, A. Ahmad, D. Mandal, S. Senapati, S.R. Sainkar, M.I. Khan, R. Parishcha, P.V.A. Kumar, M. Alam, R. Kumar and M. Sastry, Nano Lett., 1, 515 (2001).
A. Ahmad, P. Mukherjee, S. Senapati, D. Mandal, M.I. Khan, R. Kumar and M. Sastry, Colloids Surf. B, 28, 313 (2003).
D.S. Balaji, S. Basavaraja, R. Deshpande, D.B. Mahesh, B.K. Prabhakar and A. Venkataraman, Colloids Surf. B, 68, 88 (2009).
R. Joerger, T. Klaus and C.G. Granqvist, Adv. Mater., 12, 407 (2000).
K. Kalimuthu, R.S. Babu, D. Venkataraman, M. Bilal and S. Gurunathan, Colloids Surf. B, 65, 150 (2008).
H. Bar, D.K. Bhui, G.P. Sahoo, P. Sarkar, S.P. De and A. Misra, Colloids Surf. A, 339, 134 (2009).