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EnglishBioglasses are of wide interest since they spontaneously bond and integrate with living bone in the body. By varying the glass chemistry and/or by adding some dopants, it is possible to improve their clinical applications. Gold nanoparticles (Au NPs) are a well-known antibacterial agent, as well as a unique probe for sensing and imaging applications. We report on the synthesis of a 58S bioglass doped with Au NPs at two doping levels: 0.1% wt. and 1% wt. Antibacterial properties were observed on the Gram-positive Staphylococcus aureus, whereas no significant effects were found on the Gram-negative Escherichia coli. A possible mechanism of action of Au NPs towards bacteria has been described.
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| Titolo: | Bone reconstruction: Au nanocomposite bioglasses with antibacterial properties |
| Autori: | |
| Data di pubblicazione: | 2011 |
| Rivista: | |
| Abstract: | Bioglasses are of wide interest since they spontaneously bond and integrate with living bone in the body. By varying the glass chemistry and/or by adding some dopants, it is possible to improve their clinical applications. Gold nanoparticles (Au NPs) are a well-known antibacterial agent, as well as a unique probe for sensing and imaging applications. We report on the synthesis of a 58S bioglass doped with Au NPs at two doping levels: 0.1% wt. and 1% wt. Antibacterial properties were observed on the Gram-positive Staphylococcus aureus, whereas no significant effects were found on the Gram-negative Escherichia coli. A possible mechanism of action of Au NPs towards bacteria has been described. |
| Handle: | http://hdl.handle.net/11571/457440 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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