PVA/gelatin-based hydrogel coating of nickel-titanium alloy for improved tissue-implant interface
作者： J. Barthes , G. B. McGuinness , G. G. Yapici , N. E. Vrana , G. M. Simsek
DOI: 10.1007/S00339-021-04542-5
关键词: Composite material 、 Gelatin 、 Corrosion 、 Alloy 、 Biocompatibility 、 Polyvinyl alcohol 、 Nickel titanium 、 Coating 、 Materials science 、 Layer (electronics)
摘要: Nickel-titanium shape memory alloys have attracted notable interest for biomedical applications due to their unique properties. However, there are still some concerns on the potential release of nickel ions causing adverse reactions in-vivo at high concentrations. In this work, samples were coated with a polyvinyl alcohol/gelatin hydrogel. Coating stability, corrosion resistance and biocompatibility investigated. Coated exhibited similar response that uncoated substrates in wire form. Additionally, hydrogel coating led decrease surface temperature significantly improved substrate. The presence layer does not affect alloy while providing semi-degradable, hydrophilic forms cushion tissue-implant interfaces.
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