Large-scale preparation of strawberry-like, AgNP-doped SiO<inf>2</inf> microspheres using the electrospraying method
- Publication Type:
- Journal Article
- Citation:
- Nanotechnology, 2011, 22 (30)
- Issue Date:
- 2011-07-29
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| Filename | Description | Size | |||
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| Large-scale preparation of.pdf | Published Version | 2.34 MB |
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In this paper, we report on a novel strategy for the preparation of silver nanoparticle-doped SiO2 microspheres (Ag-SMSs) with an interesting strawberry-like morphology using a simple and efficient electrospraying method. SEM (scanning electron microscopy), TEM (transmission electron microscopy), XRD (x-ray diffraction), EDS (energy-dispersive spectroscopy) and UV-vis spectra (ultraviolet-visible spectra) were applied to investigate the morphology, structure, composition and optical properties of the hybrid microspheres, and E.coli (Escherichia coli) was used as a model microbe to evaluate their antibacterial ability. The results showed that the Ag-SMSs were environmentally stable and washing resistant. The Ag-SMSs exhibited effective inhibition against proliferation of E.coli, and their antibacterial ability could be well preserved for a long time. The environmental stability, washing resistance, efficient antibacterial ability and simple but productive preparation method endowed the Ag-SMSs with great potential for practical biomedical applications. © 2011 IOP Publishing Ltd.
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