NDLI: Bacterial adhesion on biomedical surfaces covered by yttria stabilized zirconia

Content Provider	Springer Nature Link
Author	Pérez Taira, Ramón Horwat, David Kinnari, Teemu J. Pérez Jorge, Concepción Gómez Barrena, Enrique Migot, Sylvie Esteban, Jaime
Copyright Year	2015
Abstract	The aim of this study was to compare the bacterial adhesion of Staphylococcus spp. on Ti–6Al–4V with respect to Ti–6Al–V modified alloys with a set of Cubic yttria stabilized zirconia (YSZ) and Ag-YSZ nanocomposite films. Silver is well known to have a natural biocidal character and its presence in the surface predicted to enhance the antimicrobial properties of biomedical surfaces. Microbial adhesion tests were performed using collection strains and twelve clinical strains of Staphylococcus aureus and Staphylococcus epidermidis. The adherence study was performed using a previously published protocol by Kinnari et al. Both collection strains and clinical isolates have shown lower bacterial adhesion to materials modified with respect to the alloy Ti–6Al–4V and the modification with silver reduced the bacterial adhesion for most of all the strains studied. Moreover the percentage of dead bacteria have been evaluated, demonstrating increased proportion of dead bacteria for the modified surfaces. Nanocrystalline silver dissolves releasing both Ag$^{+}$ and Ag$^{0}$ whereas other silver sources release only Ag$^{+}$. We can conclude that YSZ with nanocrystalline silver coating may lead to diminished postoperative infections and to increased corrosion and scratch resistance of YSZ incorporating alloys Ti–6Al–4V.
Starting Page	1
Ending Page	9
Page Count	9
File Format	PDF
ISSN	09574530
Journal	Journal of Materials Science: Materials in Medicine
Volume Number	27
Issue Number	1
e-ISSN	15734838
Language	English
Publisher	Springer US
Publisher Date	2015-11-26
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Biomaterials Biomedical Engineering Regenerative Medicine/Tissue Engineering Polymer Sciences Ceramics, Glass, Composites, Natural Methods Surfaces and Interfaces, Thin Films
Content Type	Text
Resource Type	Article
Subject	Biomaterials Biophysics Bioengineering Biomedical Engineering

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