镍钛 SMA 上的 Ag-TiO2 涂层和羟基磷灰石-Ag-TiO2 涂层的关键性能比较。

IF 5 3区 医学 Q1 ENGINEERING, BIOMEDICAL
Karolina Dudek, Aleksandra Strach, Daniel Wasilkowski, Bożena Łosiewicz, Julian Kubisztal, Anna Mrozek-Wilczkiewicz, Patryk Zioła, Adrian Barylski
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引用次数: 0

摘要

为了使镍钛合金功能化,在其表面设计了 Ag-TiO2 和掺杂羟基磷灰石的 Ag-TiO2 多功能创新纳米涂层。对涂层进行了全面的表征,重点是表面形貌和关键功能特性,包括附着力、表面润湿性、生物相容性、抗菌活性和耐腐蚀性。还分析了模拟体液中的电化学腐蚀动力学及其机理。涂层具有亲水性,与成纤维细胞和成骨细胞具有生物相容性,同时对大肠杆菌和表皮葡萄球菌具有抗菌活性。涂层与镍钛基底的附着力很强,掺羟基磷灰石的涂层附着力更强。相反,Ag-TiO2 涂层则显示出更强的耐腐蚀性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Comparison of Key Properties of Ag-TiO2 and Hydroxyapatite-Ag-TiO2 Coatings on NiTi SMA.

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.

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来源期刊
Journal of Functional Biomaterials
Journal of Functional Biomaterials Engineering-Biomedical Engineering
CiteScore
4.60
自引率
4.20%
发文量
226
审稿时长
11 weeks
期刊介绍: Journal of Functional Biomaterials (JFB, ISSN 2079-4983) is an international and interdisciplinary scientific journal that publishes regular research papers (articles), reviews and short communications about applications of materials for biomedical use. JFB covers subjects from chemistry, pharmacy, biology, physics over to engineering. The journal focuses on the preparation, performance and use of functional biomaterials in biomedical devices and their behaviour in physiological environments. Our aim is to encourage scientists to publish their results in as much detail as possible. Therefore, there is no restriction on the length of the papers. The full experimental details must be provided so that the results can be reproduced. Several topical special issues will be published. Scope: adhesion, adsorption, biocompatibility, biohybrid materials, bio-inert materials, biomaterials, biomedical devices, biomimetic materials, bone repair, cardiovascular devices, ceramics, composite materials, dental implants, dental materials, drug delivery systems, functional biopolymers, glasses, hyper branched polymers, molecularly imprinted polymers (MIPs), nanomedicine, nanoparticles, nanotechnology, natural materials, self-assembly smart materials, stimuli responsive materials, surface modification, tissue devices, tissue engineering, tissue-derived materials, urological devices.
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