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Coatings 2015, 5(4), 737-757; doi:10.3390/coatings5040737

Novel Development of Biocompatible Coatings for Bone Implants

1
Department of Chemical and Biochemical Engineering, University of Western Ontario, London, ON N6A 5B9, Canada
2
Chemical & Petroleum Engineering Department, UAE University, Al-Ain P.O. Box 17555, United Arab Emirates
*
Author to whom correspondence should be addressed.
Academic Editor: James Kit-hon Tsoi
Received: 25 August 2015 / Revised: 10 October 2015 / Accepted: 26 October 2015 / Published: 30 October 2015
(This article belongs to the Special Issue Advanced Biomimetic Calcium Phosphate Coatings)
View Full-Text   |   Download PDF [5308 KB, uploaded 30 October 2015]   |  

Abstract

Prolonged life expectancy also results in an increased need for high-performance orthopedic implants. It has been shown that a compromised tissue-implant interface could lead to adverse immune-responses and even the dislodging of the implant. To overcome these obstacles, our research team has been seeking ways to decrease the risk of faulty tissue-implant interfaces by improving the biocompatibility and the osteo-inductivity of conventional orthopedic implants using ultrafine particle coatings. These particles were enriched with various bioactive additives prior to coating, and the coated biomaterial surfaces exhibited significantly increased biocompatibility and osteoinductivity. Physical assessments firstly confirmed the proper incorporation of the bioactive additives after examining their surface chemical composition. Then, in vitro assays demonstrated the biocompatibility and osteo-inductivity of the coated surfaces by studying the morphology of attached cells and their mineralization abilities. In addition, by quantifying the responses, activities and gene expressions, cellular evaluations confirmed the positive effects of these polymer based bioactive coatings. Consequently, the bioactive ultrafine polymer particles demonstrated their ability in improving the biocompatibility and osteo-inductivity of conventional orthopedic implants. As a result, our research team hope to apply this technology to the field of orthopedic implants by making them more effective medical devices through decreasing the risk of implant-induced immune responses and the loosening of the implant. View Full-Text
Keywords: ultrafine coating technology; bone implants; bioactive additives; biocompatibility; osteo-inductivity; calcium oxide; calcium phosphate ultrafine coating technology; bone implants; bioactive additives; biocompatibility; osteo-inductivity; calcium oxide; calcium phosphate
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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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MDPI and ACS Style

Hou, N.Y.; Perinpanayagam, H.; Mozumder, M.S.; Zhu, J. Novel Development of Biocompatible Coatings for Bone Implants. Coatings 2015, 5, 737-757.

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