Comparison of Key Properties of Ag-TiO2 and Hydroxyapatite-Ag-TiO2 Coatings on NiTi SMA-Reference-Cited by-同舟云学术

Comparison of Key Properties of Ag-TiO2 and Hydroxyapatite-Ag-TiO2 Coatings on NiTi SMA

Published:2024-09-12 Issue:9 Volume:15 Page:264
ISSN:2079-4983
Container-title:Journal of Functional Biomaterials
language:en
Short-container-title:JFB

Author:

Dudek Karolina¹,Strach Aleksandra²^ORCID,Wasilkowski Daniel³^ORCID,Łosiewicz Bożena⁴^ORCID,Kubisztal Julian⁴^ORCID,Mrozek-Wilczkiewicz Anna⁵⁶^ORCID,Zioła Patryk⁶,Barylski Adrian⁴^ORCID

Affiliation:

1. Łukasiewicz Research Network-Institute of Ceramics and Building Materials, Cementowa 8, 31-983 Kraków, Poland

2. Doctoral School, University of Silesia, Bankowa 14, 40-032 Katowice, Poland

3. Institute of Biology, Biotechnology and Environmental Protection, Faculty of Natural Sciences, University of Silesia, Jagiellońska 28, 40-032 Katowice, Poland

4. Institute of Materials Engineering, University of Silesia, 75 Pułku Piechoty 1A, 41-500 Chorzów, Poland

5. Department of Systems Biology and Engineering, Silesian University of Technology, Boleslawa Krzywoustego 8, 44-100 Gliwice, Poland

6. August Chełkowski Institute of Physics, University of Silesia, 75 Pułku Piechoty 1, 41-500 Chorzów, Poland

Abstract

To functionalize the NiTi alloy, multifunctional innovative nanocoatings of Ag-TiO2 and Ag-TiO2 doped with hydroxyapatite were engineered on its surface. The coatings were thoroughly characterized, focusing on surface topography and key functional properties, including adhesion, surface wettability, biocompatibility, antibacterial activity, and corrosion resistance. The electrochemical corrosion kinetics in a simulated body fluid and the mechanisms were analyzed. The coatings exhibited hydrophilic properties and were biocompatible with fibroblast and osteoblast cells while also demonstrating antibacterial activity against E. coli and S. epidermidis. The coatings adhered strongly to the NiTi substrate, with superior adhesion observed in the hydroxyapatite-doped layers. Conversely, the Ag-TiO2 layers showed enhanced corrosion resistance.

Funder

National Science Center in Poland

Publisher

MDPI AG

Link

https://www.mdpi.com/2079-4983/15/9/264/pdf

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