Journal
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
Volume 101, Issue 4, Pages 615-620Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s00339-010-5911-x
Keywords
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Funding
- Ministry of Education, Youth and Sports of the Czech Republic [MSM6840770012]
- Grant Agency of the Czech Republic [204/07/0325]
- Institutional Research Plan [AVOZ 10100522, AVOZ 5020903]
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Thin hydroxyapatite (HA), silver-doped HA and silver layers were prepared using a pulsed laser deposition method. Doped layers were ablated from silver/HA targets. Amorphous and crystalline films of silver concentrations of 0.06 at.%, 1.2 at.%, 4.4 at.%, 8.3 at.% and 13.7 at.% were synthesized. Topology was studied using scanning electron microscopy and atomic force microscopy. Contact angle and zeta potential measurements were conducted to determine the wettability, surface free energy and electric surface properties. In vivo measurement (using Escherichia coli cells) of antibacterial properties of the HA, silver-doped HA and silver layers was carried out. The best antibacterial results were achieved for silver-doped HA layers of silver concentration higher than 1.2 at.%.
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