Shrivastava, Siddhartha ; Bera, Tanmay ; Roy, Arnab ; Singh, Gajendra ; Ramachandrarao, P. ; Dash, Debabrata (2007) Characterization of enhanced antibacterial effects of novel silver nanoparticles Nanotechnology, 18 (22). Article ID 225103, 9 pages. ISSN 0957-4484
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Official URL: http://iopscience.iop.org/article/10.1088/0957-448...
Related URL: http://dx.doi.org/10.1088/0957-4484/18/22/22510
Abstract
In the present study, we report the preparation of silver nanoparticles in the range of 10–15 nm with increased stability and enhanced anti-bacterial potency. The morphology of the nanoparticles was characterized by transmission electron microscopy. The antibacterial effect of silver nanoparticles used in this study was found to be far more potent than that described in the earlier reports. This effect was dose dependent and was more pronounced against gram-negative bacteria than gram-positive organisms. Although bacterial cell lysis could be one of the reasons for the observed antibacterial property, nanoparticles also modulated the phosphotyrosine profile of putative bacterial peptides, which could thus affect bacterial signal transduction and inhibit the growth of the organisms.
Item Type: | Article |
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Source: | Copyright of this article belongs to Institute of Physics. |
ID Code: | 101283 |
Deposited On: | 04 Feb 2017 17:24 |
Last Modified: | 05 Feb 2017 05:23 |
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