Biomimetic bone-like apatite coating on anodised titanium in simulated body fluid under UV irradiation
Low temperature deposition techniques of bioceramics coatings are now being researched and developed to avoid deficiencies inherent in high temperature techniques. Biomimetic coatings are a solution-based method conducted at ambient temperature to deposit bioactive coatings on the surface. The curre...
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| Language: | English |
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Trans Tech Publications
2017
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| Online Access: | http://eprints.uthm.edu.my/3400/ http://eprints.uthm.edu.my/3400/1/AJ%202017%20%2830%29%20Biomimetic%20bone-like%20apatite%20coating.pdf |
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| author | Lee, T.C. Koshy, P. Abdullah, H.Z. Idris, M.I. |
| author_facet | Lee, T.C. Koshy, P. Abdullah, H.Z. Idris, M.I. |
| author_sort | Lee, T.C. |
| building | UTHM Institutional Repository |
| collection | Online Access |
| description | Low temperature deposition techniques of bioceramics coatings are now being researched and developed to avoid deficiencies inherent in high temperature techniques. Biomimetic coatings are a solution-based method conducted at ambient temperature to deposit bioactive coatings on the surface. The current study aims to investigate the effect of ultraviolet (UV) irradiation on the coating of bone-like apatite on the anodised surface. High purity titanium foils were anodised with an applied voltage of 350 V, current density of 70 mA.cm-2 in mixture of 0.04 M β-glycerophosphate disodium salt pentahydrate (β-GP) and 0.4 M calcium acetate (CA) for 10 min. After anodic oxidation, UV light treatment was conducted in pH-adjusted distilled water for 12 h with ultraviolet light A (UVA) irradiation. Subsequently, the UV-treated anodised titanium foils were soaked in SBF for 7 days with/without UVA irradiation. After SBF immersion for 7 days, anodised titanium with combination of UV light treatment and UV irradiation during in vitro testing was fully covered by highly crystalline bone-like apatite at maximal thickness of 2.8 μm. This occurred mainly due to the formation of large amounts of Ti-OH groups which act as nucleation sites for bone-like apatite. This study also revealed that UV irradiation during in vitro testing is superior in promoting growth of bone-like apatite compared to UV light treatment. The suggested mechanism for bone-like apatite formation on anodised titanium under different UV irradiation conditions is illustrated in this article. The findings of this study indicated that biomimetic bone-like apatite coating with assistance of UV irradiation is an effective method in accelerating the formation of bone-like apatite. |
| first_indexed | 2025-11-15T20:03:27Z |
| format | Article |
| id | uthm-3400 |
| institution | Universiti Tun Hussein Onn Malaysia |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-15T20:03:27Z |
| publishDate | 2017 |
| publisher | Trans Tech Publications |
| recordtype | eprints |
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| spelling | uthm-34002021-11-17T03:40:58Z http://eprints.uthm.edu.my/3400/ Biomimetic bone-like apatite coating on anodised titanium in simulated body fluid under UV irradiation Lee, T.C. Koshy, P. Abdullah, H.Z. Idris, M.I. TP155-156 Chemical engineering Low temperature deposition techniques of bioceramics coatings are now being researched and developed to avoid deficiencies inherent in high temperature techniques. Biomimetic coatings are a solution-based method conducted at ambient temperature to deposit bioactive coatings on the surface. The current study aims to investigate the effect of ultraviolet (UV) irradiation on the coating of bone-like apatite on the anodised surface. High purity titanium foils were anodised with an applied voltage of 350 V, current density of 70 mA.cm-2 in mixture of 0.04 M β-glycerophosphate disodium salt pentahydrate (β-GP) and 0.4 M calcium acetate (CA) for 10 min. After anodic oxidation, UV light treatment was conducted in pH-adjusted distilled water for 12 h with ultraviolet light A (UVA) irradiation. Subsequently, the UV-treated anodised titanium foils were soaked in SBF for 7 days with/without UVA irradiation. After SBF immersion for 7 days, anodised titanium with combination of UV light treatment and UV irradiation during in vitro testing was fully covered by highly crystalline bone-like apatite at maximal thickness of 2.8 μm. This occurred mainly due to the formation of large amounts of Ti-OH groups which act as nucleation sites for bone-like apatite. This study also revealed that UV irradiation during in vitro testing is superior in promoting growth of bone-like apatite compared to UV light treatment. The suggested mechanism for bone-like apatite formation on anodised titanium under different UV irradiation conditions is illustrated in this article. The findings of this study indicated that biomimetic bone-like apatite coating with assistance of UV irradiation is an effective method in accelerating the formation of bone-like apatite. Trans Tech Publications 2017 Article PeerReviewed text en http://eprints.uthm.edu.my/3400/1/AJ%202017%20%2830%29%20Biomimetic%20bone-like%20apatite%20coating.pdf Lee, T.C. and Koshy, P. and Abdullah, H.Z. and Idris, M.I. (2017) Biomimetic bone-like apatite coating on anodised titanium in simulated body fluid under UV irradiation. Materials Science Forum, 888. pp. 251-255. ISSN 1662-9752 http://10.4028/www.scientific.net/MSF.888.251 |
| spellingShingle | TP155-156 Chemical engineering Lee, T.C. Koshy, P. Abdullah, H.Z. Idris, M.I. Biomimetic bone-like apatite coating on anodised titanium in simulated body fluid under UV irradiation |
| title | Biomimetic bone-like apatite coating on anodised titanium in simulated body fluid under UV irradiation |
| title_full | Biomimetic bone-like apatite coating on anodised titanium in simulated body fluid under UV irradiation |
| title_fullStr | Biomimetic bone-like apatite coating on anodised titanium in simulated body fluid under UV irradiation |
| title_full_unstemmed | Biomimetic bone-like apatite coating on anodised titanium in simulated body fluid under UV irradiation |
| title_short | Biomimetic bone-like apatite coating on anodised titanium in simulated body fluid under UV irradiation |
| title_sort | biomimetic bone-like apatite coating on anodised titanium in simulated body fluid under uv irradiation |
| topic | TP155-156 Chemical engineering |
| url | http://eprints.uthm.edu.my/3400/ http://eprints.uthm.edu.my/3400/ http://eprints.uthm.edu.my/3400/1/AJ%202017%20%2830%29%20Biomimetic%20bone-like%20apatite%20coating.pdf |