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Microstructural characterization and in vitro biological performances of Ag, Zn co-incorporated TiO 2 coating

Ceramics International, ISSN: 0272-8842, Vol: 46, Issue: 18, Page: 29160-29172
2020
  • 24
    Citations
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    Usage
  • 23
    Captures
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Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    24
    • Citation Indexes
      24
  • Captures
    23

Article Description

In order to improve antibacterial capability and cell biocompatibility of titanium (Ti), Ag nanoparticles (NPs) and a novel Zn source Na 2 Zn-EDTA (disodium zinc ethylenediaminetetraacetate tetrahydrate) were added in the electrolyte to fabricate Ag, Zn co-incorporated titania through micro-arc oxidation (MAO) method on metallic Ti substrate. Microstructural characterization reveals that the presence of both Ag NP clusters and micro-sized dicalcium phosphate dehydrate (DCPD) flakes on the surface of Ag, Zn co-incorporated TiO 2 coating. Ag species are mainly present as metallic Ag whereas Zn species tend to exist as Zn 2+ within titania. Further, corrosion resistance, antibacterial property and cell biocompatibility of the resultant coatings were assessed. It is revealed that the Ag, Zn co-incorporated TiO 2 coating possesses favourable corrosion resistance, desirable in vitro antibacterial capability and cell biocompatibility without cytotoxicity, which is a promising candidate as a bio-ceramics for Ti-based implant.

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