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Ultraviolet-assisted biomimetic coating of bone-like apatite on anodised titanium for biomedical applications

Photocatalytic TiO2 layers were deposited by anodic oxidation on high purity titanium substrates followed by ultraviolet light A (UVA) irradiation in solutions of varying pH (1, 4, 7, and 11) for 12 h. Afterwards, the UVAtreated anodised titanium foils were soaked in simulated body fluid (SBF) for 7...

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Main Authors:	Lee, T.C., Abdullah, H.Z., Koshy, P., Idris, M.I.
Format:	Article
Language:	English
Published:	ScienceDirect 2018
Subjects:	T Technology (General) TA401-492 Materials of engineering and construction. Mechanics of materials
Online Access:	http://eprints.uthm.edu.my/5607/1/AJ%202018%20%28267%29.pdf http://eprints.uthm.edu.my/5607/
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record_format	eprints
spelling	my.uthm.eprints.56072022-01-17T02:06:30Z http://eprints.uthm.edu.my/5607/ Ultraviolet-assisted biomimetic coating of bone-like apatite on anodised titanium for biomedical applications Lee, T.C. Abdullah, H.Z. Koshy, P. Idris, M.I. T Technology (General) TA401-492 Materials of engineering and construction. Mechanics of materials Photocatalytic TiO2 layers were deposited by anodic oxidation on high purity titanium substrates followed by ultraviolet light A (UVA) irradiation in solutions of varying pH (1, 4, 7, and 11) for 12 h. Afterwards, the UVAtreated anodised titanium foils were soaked in simulated body fluid (SBF) for 7 days. The morphological, mineralogical, surface wettability, and in vitro synthesis of the anodised samples were determined. The work showed that the surface morphology and crystallinity of the anodised coating was unchanged after UVA treatment in solutions of varying pH. However, the water contact angle decreased remarkably after UVA treatment, with the sample irradiated in a solution of pH 1 showing the lowest angle (31.8°). After soaking in SBF and with UVA irradiation for 7 days, highly crystallised bone-like apatite layer fully covered the surfaces of the anodised samples. Cross-sectional images revealed that the optimal condition for UVA treatment was at pH 1 (acidic) since it resulted in the thickest layer (2.8 μm) of bone-like apatite formation after soaking in SBF. The results clearly showed that UVA irradiation assisted the growth of bone-like apatite layer on anodised surfaces. ScienceDirect 2018 Article PeerReviewed text en http://eprints.uthm.edu.my/5607/1/AJ%202018%20%28267%29.pdf Lee, T.C. and Abdullah, H.Z. and Koshy, P. and Idris, M.I. (2018) Ultraviolet-assisted biomimetic coating of bone-like apatite on anodised titanium for biomedical applications. Thin Solid Films, 660. pp. 191-198. ISSN 0040-6090
institution	Universiti Tun Hussein Onn Malaysia
building	UTHM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Tun Hussein Onn Malaysia
content_source	UTHM Institutional Repository
url_provider	http://eprints.uthm.edu.my/
language	English
topic	T Technology (General) TA401-492 Materials of engineering and construction. Mechanics of materials
spellingShingle	T Technology (General) TA401-492 Materials of engineering and construction. Mechanics of materials Lee, T.C. Abdullah, H.Z. Koshy, P. Idris, M.I. Ultraviolet-assisted biomimetic coating of bone-like apatite on anodised titanium for biomedical applications
description	Photocatalytic TiO2 layers were deposited by anodic oxidation on high purity titanium substrates followed by ultraviolet light A (UVA) irradiation in solutions of varying pH (1, 4, 7, and 11) for 12 h. Afterwards, the UVAtreated anodised titanium foils were soaked in simulated body fluid (SBF) for 7 days. The morphological, mineralogical, surface wettability, and in vitro synthesis of the anodised samples were determined. The work showed that the surface morphology and crystallinity of the anodised coating was unchanged after UVA treatment in solutions of varying pH. However, the water contact angle decreased remarkably after UVA treatment, with the sample irradiated in a solution of pH 1 showing the lowest angle (31.8°). After soaking in SBF and with UVA irradiation for 7 days, highly crystallised bone-like apatite layer fully covered the surfaces of the anodised samples. Cross-sectional images revealed that the optimal condition for UVA treatment was at pH 1 (acidic) since it resulted in the thickest layer (2.8 μm) of bone-like apatite formation after soaking in SBF. The results clearly showed that UVA irradiation assisted the growth of bone-like apatite layer on anodised surfaces.
format	Article
author	Lee, T.C. Abdullah, H.Z. Koshy, P. Idris, M.I.
author_facet	Lee, T.C. Abdullah, H.Z. Koshy, P. Idris, M.I.
author_sort	Lee, T.C.
title	Ultraviolet-assisted biomimetic coating of bone-like apatite on anodised titanium for biomedical applications
title_short	Ultraviolet-assisted biomimetic coating of bone-like apatite on anodised titanium for biomedical applications
title_full	Ultraviolet-assisted biomimetic coating of bone-like apatite on anodised titanium for biomedical applications
title_fullStr	Ultraviolet-assisted biomimetic coating of bone-like apatite on anodised titanium for biomedical applications
title_full_unstemmed	Ultraviolet-assisted biomimetic coating of bone-like apatite on anodised titanium for biomedical applications
title_sort	ultraviolet-assisted biomimetic coating of bone-like apatite on anodised titanium for biomedical applications
publisher	ScienceDirect
publishDate	2018
url	http://eprints.uthm.edu.my/5607/1/AJ%202018%20%28267%29.pdf http://eprints.uthm.edu.my/5607/
_version_	1738581396363935744
score	13.211869

Ultraviolet-assisted biomimetic coating of bone-like apatite on anodised titanium for biomedical applications

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