Key Properties of a Bioactive Ag-SiO<sub>2</sub>/TiO<sub>2</sub> Coating on NiTi Shape Memory Alloy as Necessary at the Development of a New Class of Biomedical Materials
Recent years have seen the dynamic development of methods for functionalizing the surface of implants using biomaterials that can mimic the physical and mechanical nature of native tissue, prevent the formation of bacterial biofilm, promote osteoconduction, and have the ability to sustain cell proli...
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MDPI AG
2021-01-01
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| Series: | International Journal of Molecular Sciences |
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| Online Access: | https://www.mdpi.com/1422-0067/22/2/507 |
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| author | Mateusz Dulski Robert Gawecki Sławomir Sułowicz Michal Cichomski Alicja Kazek-Kęsik Marta Wala Katarzyna Leśniak-Ziółkowska Wojciech Simka Anna Mrozek-Wilczkiewicz Magdalena Gawęda Maciej Sitarz Karolina Dudek |
| author_facet | Mateusz Dulski Robert Gawecki Sławomir Sułowicz Michal Cichomski Alicja Kazek-Kęsik Marta Wala Katarzyna Leśniak-Ziółkowska Wojciech Simka Anna Mrozek-Wilczkiewicz Magdalena Gawęda Maciej Sitarz Karolina Dudek |
| author_sort | Mateusz Dulski |
| collection | DOAJ |
| description | Recent years have seen the dynamic development of methods for functionalizing the surface of implants using biomaterials that can mimic the physical and mechanical nature of native tissue, prevent the formation of bacterial biofilm, promote osteoconduction, and have the ability to sustain cell proliferation. One of the concepts for achieving this goal, which is presented in this work, is to functionalize the surface of NiTi shape memory alloy by an atypical glass-like nanocomposite that consists of SiO<sub>2</sub>-TiO<sub>2</sub> with silver nanoparticles. However, determining the potential medical uses of bio(nano)coating prepared in this way requires an analysis of its surface roughness, tribology, or wettability, especially in the context of the commonly used reference coat-forming hydroxyapatite (HAp). According to our results, the surface roughness ranged between (112 ± 3) nm (Ag-SiO<sub>2</sub>)—(141 ± 5) nm (HAp), the water contact angle was in the range (74.8 ± 1.6)° (Ag-SiO<sub>2</sub>)—(70.6 ± 1.2)° (HAp), while the surface free energy was in the range of 45.4 mJ/m<sup>2</sup> (Ag-SiO<sub>2</sub>)—46.8 mJ/m<sup>2</sup> (HAp). The adhesive force and friction coefficient were determined to be 1.04 (Ag-SiO<sub>2</sub>)—1.14 (HAp) and 0.247 ± 0.012 (Ag-SiO<sub>2</sub>) and 0.397 ± 0.034 (HAp), respectively. The chemical data showed that the release of the metal, mainly Ni from the covered NiTi substrate or Ag from Ag-SiO<sub>2</sub> coating had a negligible effect. It was revealed that the NiTi alloy that was coated with Ag-SiO<sub>2</sub> did not favor the formation of <i>E. coli</i> or <i>S. aureus</i> biofilm compared to the HAp-coated alloy. Moreover, both approaches to surface functionalization indicated good viability of the normal human dermal fibroblast and osteoblast cells and confirmed the high osteoconductive features of the biomaterial. The similarities of both types of coat-forming materials indicate an excellent potential of the silver-silica composite as a new material for the functionalization of the surface of a biomaterial and the development of a new type of functionalized implants. |
| first_indexed | 2024-03-09T05:53:15Z |
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| issn | 1661-6596 1422-0067 |
| language | English |
| last_indexed | 2024-03-09T05:53:15Z |
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| series | International Journal of Molecular Sciences |
| spelling | doaj.art-73884bbc5aa840bb8d9c82e7c30ffdf62023-12-03T12:15:36ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672021-01-0122250710.3390/ijms22020507Key Properties of a Bioactive Ag-SiO<sub>2</sub>/TiO<sub>2</sub> Coating on NiTi Shape Memory Alloy as Necessary at the Development of a New Class of Biomedical MaterialsMateusz Dulski0Robert Gawecki1Sławomir Sułowicz2Michal Cichomski3Alicja Kazek-Kęsik4Marta Wala5Katarzyna Leśniak-Ziółkowska6Wojciech Simka7Anna Mrozek-Wilczkiewicz8Magdalena Gawęda9Maciej Sitarz10Karolina Dudek11Institute of Materials Engineering, Faculty of Computer Science and Materials Science and Silesian Center for Education and Interdisciplinary Research, University of Silesia in Katowice, 75 Pulku Piechoty 1A, 41-500 Chorzow, PolandA. Chełkowski Institute of Physics, Faculty of Computer Science and Materials Science and Silesian Center for Education and Interdisciplinary Research, University of Silesia in Katowice, 75 Pulku Piechoty 1A, 41-500 Chorzow, PolandInstitute of Biology, Biotechnology and Environmental Protection, Faculty of Natural Sciences, University of Silesia in Katowice, Jagiellonska 28, 40-032 Katowice, PolandDepartment of Materials Technology and Chemistry, Faculty of Chemistry, University of Lodz, Pomorska 163, 90-236 Lodz, PolandFaculty of Chemistry, Silesian University of Technology, B. Krzywoustego 6, 44-100 Gliwice, PolandFaculty of Chemistry, Silesian University of Technology, B. Krzywoustego 6, 44-100 Gliwice, PolandFaculty of Chemistry, Silesian University of Technology, B. Krzywoustego 6, 44-100 Gliwice, PolandFaculty of Chemistry, Silesian University of Technology, B. Krzywoustego 6, 44-100 Gliwice, PolandA. Chełkowski Institute of Physics, Faculty of Computer Science and Materials Science and Silesian Center for Education and Interdisciplinary Research, University of Silesia in Katowice, 75 Pulku Piechoty 1A, 41-500 Chorzow, PolandFaculty of Materials Science & Ceramics, AGH University of Science and Technology, Mickiewicza 30, 30-059 Cracow, PolandFaculty of Materials Science & Ceramics, AGH University of Science and Technology, Mickiewicza 30, 30-059 Cracow, PolandRefractory Materials Division in Gliwice, Łukasiewicz Research Network—Institute of Ceramics and Building Materials, Toszecka 99, 44-100 Gliwice, PolandRecent years have seen the dynamic development of methods for functionalizing the surface of implants using biomaterials that can mimic the physical and mechanical nature of native tissue, prevent the formation of bacterial biofilm, promote osteoconduction, and have the ability to sustain cell proliferation. One of the concepts for achieving this goal, which is presented in this work, is to functionalize the surface of NiTi shape memory alloy by an atypical glass-like nanocomposite that consists of SiO<sub>2</sub>-TiO<sub>2</sub> with silver nanoparticles. However, determining the potential medical uses of bio(nano)coating prepared in this way requires an analysis of its surface roughness, tribology, or wettability, especially in the context of the commonly used reference coat-forming hydroxyapatite (HAp). According to our results, the surface roughness ranged between (112 ± 3) nm (Ag-SiO<sub>2</sub>)—(141 ± 5) nm (HAp), the water contact angle was in the range (74.8 ± 1.6)° (Ag-SiO<sub>2</sub>)—(70.6 ± 1.2)° (HAp), while the surface free energy was in the range of 45.4 mJ/m<sup>2</sup> (Ag-SiO<sub>2</sub>)—46.8 mJ/m<sup>2</sup> (HAp). The adhesive force and friction coefficient were determined to be 1.04 (Ag-SiO<sub>2</sub>)—1.14 (HAp) and 0.247 ± 0.012 (Ag-SiO<sub>2</sub>) and 0.397 ± 0.034 (HAp), respectively. The chemical data showed that the release of the metal, mainly Ni from the covered NiTi substrate or Ag from Ag-SiO<sub>2</sub> coating had a negligible effect. It was revealed that the NiTi alloy that was coated with Ag-SiO<sub>2</sub> did not favor the formation of <i>E. coli</i> or <i>S. aureus</i> biofilm compared to the HAp-coated alloy. Moreover, both approaches to surface functionalization indicated good viability of the normal human dermal fibroblast and osteoblast cells and confirmed the high osteoconductive features of the biomaterial. The similarities of both types of coat-forming materials indicate an excellent potential of the silver-silica composite as a new material for the functionalization of the surface of a biomaterial and the development of a new type of functionalized implants.https://www.mdpi.com/1422-0067/22/2/507hybrid Ag-SiO<sub>2</sub> coatingwettabilitytribologysurface roughnession releaseantimicrobial studies |
| spellingShingle | Mateusz Dulski Robert Gawecki Sławomir Sułowicz Michal Cichomski Alicja Kazek-Kęsik Marta Wala Katarzyna Leśniak-Ziółkowska Wojciech Simka Anna Mrozek-Wilczkiewicz Magdalena Gawęda Maciej Sitarz Karolina Dudek Key Properties of a Bioactive Ag-SiO<sub>2</sub>/TiO<sub>2</sub> Coating on NiTi Shape Memory Alloy as Necessary at the Development of a New Class of Biomedical Materials International Journal of Molecular Sciences hybrid Ag-SiO<sub>2</sub> coating wettability tribology surface roughness ion release antimicrobial studies |
| title | Key Properties of a Bioactive Ag-SiO<sub>2</sub>/TiO<sub>2</sub> Coating on NiTi Shape Memory Alloy as Necessary at the Development of a New Class of Biomedical Materials |
| title_full | Key Properties of a Bioactive Ag-SiO<sub>2</sub>/TiO<sub>2</sub> Coating on NiTi Shape Memory Alloy as Necessary at the Development of a New Class of Biomedical Materials |
| title_fullStr | Key Properties of a Bioactive Ag-SiO<sub>2</sub>/TiO<sub>2</sub> Coating on NiTi Shape Memory Alloy as Necessary at the Development of a New Class of Biomedical Materials |
| title_full_unstemmed | Key Properties of a Bioactive Ag-SiO<sub>2</sub>/TiO<sub>2</sub> Coating on NiTi Shape Memory Alloy as Necessary at the Development of a New Class of Biomedical Materials |
| title_short | Key Properties of a Bioactive Ag-SiO<sub>2</sub>/TiO<sub>2</sub> Coating on NiTi Shape Memory Alloy as Necessary at the Development of a New Class of Biomedical Materials |
| title_sort | key properties of a bioactive ag sio sub 2 sub tio sub 2 sub coating on niti shape memory alloy as necessary at the development of a new class of biomedical materials |
| topic | hybrid Ag-SiO<sub>2</sub> coating wettability tribology surface roughness ion release antimicrobial studies |
| url | https://www.mdpi.com/1422-0067/22/2/507 |
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