Antimicrobial silver-hydroxyapatite composite coatings through two-stage electrochemical synthesis
作者： Cong Fu , Xuefei Zhang , Keith Savino , Paul Gabrys , Yun Gao
DOI: 10.1016/J.SURFCOAT.2016.03.010
关键词: Crystallization 、 Chemical engineering 、 Composite number 、 Simulated body fluid 、 Metallurgy 、 Electrochemistry 、 Silver nanoparticle 、 Layer (electronics) 、 Aqueous solution 、 Coating 、 Materials science
摘要: Abstract A two-stage electrochemical synthesis method was developed to prepare antimicrobial silver-hydroxyapatite (Ag-HA) composite coatings. In the first stage, a titanium substrate coated with hydroxyapatite (HA) through crystallization from aqueous solution. second silver nanoparticles were deposited onto HA layer reduction of Ag+ Ag0. Silver having narrow size distribution found deposit uniformly on layer. The quantity and shown be controlled by deposition time under constant applied electrical current density. Ag-HA coatings bioactive based upon promotion additional calcium phosphate coating surface simulated body fluid. Staphylococcus aureus bacteria growth inhibited Ag-HA, while without had little effect bacteria. novel can potentially used in orthopedic dental implants simultaneously improve osseointegration prevent post-surgical infection.
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