Wang Weiqiang
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Paper Publications
Formation and characterization of titania coatings with cortex-like slots formed on Ti by micro-arc oxidation treatment
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Indexed by:期刊论文

Date of Publication:2013-02-01

Journal:APPLIED SURFACE SCIENCE

Included Journals:SCIE、EI、Scopus

Volume:266

Page Number:250-255

ISSN No.:0169-4332

Key Words:Micro-arc oxidation; Porous titania coatings; Cortex-like slots; Surface wettability

Abstract:Using sodium tetraborate as electrolyte, a porous titania (TiO2) coating with a novel morphology of cortex-like slots was successfully prepared on the Ti surface through micro-arc oxidation (MAO). The effect of MAO treating time on surface layer was investigated. In this paper, we compared the cortex-like coatings with the conventional volcanic coatings. Results show that the cortex-like coatings with interconnected pores and slots have better wettability than volcanic coatings. The cell responses of TiO2 coatings, examined by culturing MG-63 cells on the samples, revealed that both cortex-like coating and volcanic coating presented good cell attachment after culturing for 1, 5 and 7 days, suggesting good biocompatibility. However, the cell growth of cortex-like coating occurred with cell ingrowth into the deep slots, which is different from that of the conventional volcanic coating. Results of this study indicated that the cortex-like coating was conducive to cell retention and implant stabilization. (c) 2012 Elsevier B.V. All rights reserved.

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Associate Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates

Gender:Male

Alma Mater:Dalian University of Technology

Degree:Doctoral Degree

School/Department:School of Materials Science & Engineering

Discipline:Materials Science. Biomedical Engineering

Business Address:Room 224
School of Materials Science and Engineering,
Dalian University of Technology,
Liaoning 116024,
P. R. of China

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