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Nanomaterials 2018, 8(9), 712; https://doi.org/10.3390/nano8090712

Novel Titania Nanocoatings Produced by Anodic Oxidation with the Use of Cyclically Changing Potential: Their Photocatalytic Activity and Biocompatibility

1
Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Gagarina 7, 87-100 Toruń, Poland
2
Nano-implant Ltd., Gagarina 5/102, 87-100 Toruń, Poland
3
Faculty of Biology and Environmental Protection, Nicolaus Copernicus University in Toruń, Lwowska 1, 87-100 Torun, Poland
*
Author to whom correspondence should be addressed.
Received: 7 August 2018 / Revised: 4 September 2018 / Accepted: 8 September 2018 / Published: 11 September 2018
(This article belongs to the Special Issue Electrochemical Synthesis of Nanostructures and Their Applications)
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Abstract

The anodic oxidation of Ti6Al4V substrate surfaces with the use of cyclically changing potential enabled the production of novel titania nanocoatings. Morphologically different coatings were prepared in the ethylene glycol-based electrolyte with diluted HF and various amounts of water. The structure of the produced surface materials was characterized by X-ray diffraction, Raman spectroscopy, and diffuse reflectance infrared Fourier transform spectroscopy. Their morphology was visualized by scanning electron microscopy. The photocatalytic efficiency of produced materials was studied by the observation of methylene blue degradation under UV irradiation. Their biointegration properties were established on the basis of immunological assays, which checked murine fibroblasts adhesion and proliferation on novel coatings. The obtained results pointed out to both high biocompatibility, as well as the photoactivity of one of the obtained nanocoatings, allowing trusting in the applicative nature of this material. View Full-Text
Keywords: titanium dioxide; anodic oxidation; Ti6Al4V; biointegration; photocatalytic properties titanium dioxide; anodic oxidation; Ti6Al4V; biointegration; photocatalytic properties
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Radtke, A.; Bal, M.; Jędrzejewski, T. Novel Titania Nanocoatings Produced by Anodic Oxidation with the Use of Cyclically Changing Potential: Their Photocatalytic Activity and Biocompatibility. Nanomaterials 2018, 8, 712.

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