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The bactericidal effect of silver nanoparticles
Open accessAbstract
Nanotechnology is expected to open new avenues to fight and prevent disease using atomic scale tailoring of materials. Among the most promising nanomaterials with antibacterial properties are metallic nanoparticles, which exhibit increased chemical activity due to their large surface to volume ratios and crystallographic surface structure. The study of bactericidal nanomaterials is particularly timely considering the recent increase of new resistant strains of bacteria to the most potent antibiotics. This has promoted research in the well known activity of silver ions and silver-based compounds, including silver nanoparticles. The present work studies the effect of silver nanoparticles in the range of 1-100 nm on Gram-negative bacteria using high angle annular dark field (HAADF) scanning transmission electron microscopy (STEM). Our results indicate that the bactericidal properties of the nanoparticles are size dependent, since the only nanoparticles that present a direct interaction with the bacteria preferentially have a diameter of approximately 1-10 nm.
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Cited by
Nanomaterials in the environment: Behavior, fate, bioavailability, and effects
Klaine, S. J., Alvarez, P. J. J., Batley, G. E., Fernandes, T. F., Handy, R. D., Lyon, D. Y., Mahendra, S., McLaughlin, M. J., & Lead, J. R. (2008) · Environmental Toxicology and Chemistry · doi:10.1897/08-090.1 · Cited by 2,764
Banerjee, I., Pangule, R. C., & Kane, R. S. (2011) · Advanced Materials · doi:10.1002/adma.201001215 · Cited by 2,749
Antimicrobial activity of metals: mechanisms, molecular targets and applications
Lemire, J. A., Harrison, J. J., & Turner, R. J. (2013) · Nature Reviews Microbiology · doi:10.1038/nrmicro3028 · Cited by 2,746
Li, Q., Mahendra, S., Lyon, D. Y., Brunet, L., Liga, M. V., Li, D., & Alvarez, P. J. J. (2008) · Water Research · doi:10.1016/j.watres.2008.08.015 · Cited by 2,385
Negligible Particle-Specific Antibacterial Activity of Silver Nanoparticles
Xiu, Z.-M., Zhang, Q.-B., Puppala, H. L., Colvin, V. L., & Alvarez, P. J. J. (2012) · Nano Letters · doi:10.1021/nl301934w · Cited by 2,108
Metadata
- Authors
- Morones, J. R., Elechiguerra, J. L., Camacho, A., Holt, K., Kouri, J. B., Ramírez, J. T., & Yacaman, M. J.
- Venue
- Nanotechnology
- Publisher
- IOP Publishing
- Published
- 2005-08-26
- Volume
- 16
- Issue
- 10
- Pages
- 2346-2353
- ISSN
- 0957-4484 (ISSN-L)
- 1361-6528
- OpenAlex
- W2148260760
- Cited by
- 6,668
- References
- 0
- FWCI
- 27.21
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Morones, J. R., Elechiguerra, J. L., Camacho, A., Holt, K., Kouri, J. B., Ramírez, J. T., & Yacaman, M. J. (2005). The bactericidal effect of silver nanoparticles. Nanotechnology. https://doi.org/10.1088/0957-4484/16/10/059
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
