Journal
MATERIALS LETTERS
Volume 293, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2021.129731
Keywords
Oxidation; Surfaces; Magnesium; Antibacterial coatings; Biomaterials
Funding
- National Natural Science Foundation of China [52071067, 51531007, U1737102]
- Fundamental Research Funds for the Central Universities [N2002009]
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Antibacterial plasma electrolytic oxidation coatings incorporating partially oxidized Ag particles on pure Mg effectively inhibit the growth of S. aureus, with the antibacterial efficiency mainly dependent on the Ag concentration in the layer. The antibacterial rate of the coating can reach 99% and remain stable when sufficient Ag particles (above 1 wt%) are incorporated.
Antibacterial plasma electrolytic oxidation (PEO) coatings have been fabricated by in-situ incorporation of Ag particles on pure Mg. It was found that the Ag particles have been partly oxidized and incorporated into the layer during coating formation process. Ag containing PEO coatings can strongly inhibit the growth of S. aureus and the antibacterial efficiency of the coatings is mainly associated with the Ag concentration in the layer. The antibacterial rate of the coating reaches 99% and is maintained to be stable when sufficient Ag particles (above 1 wt%) are incorporated into the layer. ? 2021 Elsevier B.V. All rights reserved.
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