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On the Enhanced Antibacterial Activity of Antibiotics Mixed with Gold Nanoparticles
Open accessAbstract
The bacterial action of gentamicin and that of a mixture of gentamicin and 15-nm colloidal-gold particles on Escherichia coli K12 was examined by the agar-well-diffusion method, enumeration of colony-forming units, and turbidimetry. Addition of gentamicin to colloidal gold changed the gold color and extinction spectrum. Within the experimental errors, there were no significant differences in antibacterial activity between pure gentamicin and its mixture with gold nanoparticles (NPs). Atomic absorption spectroscopy showed that upon application of the gentamicin-particle mixture, there were no gold NPs in the zone of bacterial-growth suppression in agar. Yet, free NPs diffused into the agar. These facts are in conflict with the earlier findings indicating an enhancement of the bacterial activity of similar gentamicin–gold nanoparticle mixtures. The possible causes for these discrepancies are discussed, and the suggestion is made that a necessary condition for enhancement of antibacterial activity is the preparation of stable conjugates of NPs coated with the antibiotic molecules.
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Cites
Nanostructures in Biodiagnostics
Rosi, N. L., & Mirkin, C. A. (2005) · Chemical Reviews · doi:10.1021/cr030067f · Cited by 4,603
Cited by
Allahverdiyev, A. M., Kon, K. V., Abamor, E. S., Bagirova, M., & Rafailovich, M. (2011) · Expert Review of Anti-infective Therapy · doi:10.1586/eri.11.121 · Cited by 411
Antimicrobial Activity of Gold Nanoparticles and Ionic Gold
Zhang, Y., Shareena Dasari, T. P., Deng, H., & Yu, H. (2015) · Journal of Environmental Science and Health, Part C · doi:10.1080/10590501.2015.1055161 · Cited by 329
Gold, Silver, and Palladium Nanoparticles: A Chemical Tool for Biomedical Applications
Yaqoob, S. B., Adnan, R., Rameez Khan, R. M., & Rashid, M. (2020) · Frontiers in Chemistry · doi:10.3389/fchem.2020.00376 · Cited by 308
Therapeutic platforms based on gold nanoparticles and their covalent conjugates with drug molecules
Vigderman, L., & Zubarev, E. R. (2013) · Advanced Drug Delivery Reviews · doi:10.1016/j.addr.2012.05.004 · Cited by 305
Inorganic nanoparticles engineered to attack bacteria
Miller, K. P., Wang, L., Benicewicz, B. C., & Decho, A. W. (2015) · Chemical Society Reviews · doi:10.1039/c5cs00041f · Cited by 290
Metadata
- Authors
- Burygin, G., Khlebtsov, B., Shantrokha, A., Dykman, L., Bogatyrev, V., & Khlebtsov, N.
- Venue
- Nanoscale Research Letters
- Published
- 2009-04-21
- Volume
- 4
- Issue
- 8
- Pages
- 794-801
- ISSN
- 1556-276X (ISSN-L)
- OpenAlex
- W2112088808
- Cited by
- 239
- References
- 1
- FWCI
- 3.83
- Type
- journal article
- Language
- en
- Open access
- gold
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- Burygin, G., Khlebtsov, B., Shantrokha, A., Dykman, L., Bogatyrev, V., & Khlebtsov, N. (2009). On the Enhanced Antibacterial Activity of Antibiotics Mixed with Gold Nanoparticles. Nanoscale Research Letters. https://doi.org/10.1007/s11671-009-9316-8
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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