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Open AccessArticle

Evaluation of Surface Characteristics and Hemocompatibility on the Oxygen Plasma-Modified Biomedical Titanium

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Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 110, Taiwan
2
School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan
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Dental Department of Wan-Fang Hospital, Taipei Medical University, Taipei 116, Taiwan
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Department of Dentistry, Taipei Medical University Hospital, Taipei 110, Taiwan
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Department of Dentistry, Taipei Medical University-Shuang Ho Hospital, New Taipei City 235, Taiwan
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Department of Prosthodontic, Faculty of Dentistry, Hasanuddin University, Makassar 90245, Indonesia
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School of Dentistry, Health Sciences University of Hokkaido, Hokkaido 061-0293, Japan
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Department of Prosthodontic, Faculty of Dentistry, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia
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3D Global Biotech Inc., New Taipei City 221, Taiwan
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Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Hasanuddin University, Makassar 90245, Indonesia
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School of Dental Technology, Taipei Medical University, Taipei 110, Taiwan
12
School of Dentistry, College of Medicine, China Medical University, Taichung 404, Taiwan
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Biomedical Technology R & D Center, China Medical University Hospital, Taichung 404, Taiwan
*
Authors to whom correspondence should be addressed.
Metals 2018, 8(7), 513; https://doi.org/10.3390/met8070513
Received: 14 May 2018 / Revised: 29 June 2018 / Accepted: 30 June 2018 / Published: 3 July 2018
(This article belongs to the Special Issue Surface Treatment Technology of Metals and Alloys)
Oxygen plasma with different treatment powers and durations was utilized to modify the biomedical pure titanium (Ti) surface in the present study. The superficial, microstructural and biological properties of the plasma-oxidized samples were investigated using the electron microscopy, X-ray photoemission spectroscopy, grazing incidence X-ray diffractometer, contact angle goniometer and blood clotting time assay. During different treatment powers and durations, the island-like nanostructural rutile-TiO2 layer and dimple-like nanostructural rutile-TiO2 layer were generated on the surfaces of the plasma-oxidized samples, respectively. It was also found that the plasma-oxidized sample with a rough oxide layer resulted in the formation of a higher wettability. Moreover, the blood clotting time assay indicated that the plasma-oxidized samples exhibited the adhesion behaviors of red blood cells. As the Ti surface underwent plasma oxidation at 280 W for 30 min, it not only generates a rough nanostructural rutile-TiO2 layer, but also presents an excellent hemocompatibility. Therefore, these findings demonstrate that oxygen plasma modification is a potential approach to promote the hemocompatibility of biomedical pure Ti surface. View Full-Text
Keywords: oxygen plasma treatment; titanium dioxide; wettability; hemocompatibility oxygen plasma treatment; titanium dioxide; wettability; hemocompatibility
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MDPI and ACS Style

Chiang, H.-J.; Chou, H.-H.; Ou, K.-L.; Sugiatno, E.; Ruslin, M.; Waris, R.A.; Huang, C.-F.; Liu, C.-M.; Peng, P.-W. Evaluation of Surface Characteristics and Hemocompatibility on the Oxygen Plasma-Modified Biomedical Titanium. Metals 2018, 8, 513.

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