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Article: Crystallization of amorphous titania gel by hot water aging and induction of in vitro apatite formation by crystallized titania

TitleCrystallization of amorphous titania gel by hot water aging and induction of in vitro apatite formation by crystallized titania
Authors
KeywordsApatite
Bioactivity
Hydrogen peroxide
Low-temperature crystallization
Titanium
Issue Date2006
PublisherElsevier SA. The Journal's web site is located at http://www.elsevier.com/locate/surfcoat
Citation
Surface And Coatings Technology, 2006, v. 201 n. 3-4, p. 755-761 How to Cite?
AbstractSurface modification of titanium implants by introducing a titania layer on their surface is an effective approach to provide bioinert titanium with bioactivity, i.e., the ability to bond directly and tightly to the surrounding hard tissue through the formation of a thin layer of apatite after implantation in the human body. The crystalline structure and abundance of Ti-OH functional groups have been found to contribute to the ability of titania gel to initiate apatite deposition on titanium in human physiological fluid. In the current investigation, an amorphous titania gel was firstly introduced on titanium surface by oxidizing the titanium substrate with hydrogen peroxide. Well-crystallized anatase films incorporated with abundant Ti-OH groups were then produced simply through a subsequent hot water aging of the amorphous titania gel. Results obtained in this investigation suggested that the low-temperature crystallization of titania proceeded in a dissolution-precipitation process. Titanium treated by the present low-temperature chemical modification technique induced significant apatite deposition within 24 h in a simulated body fluid (SBF). © 2005 Elsevier B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/75853
ISSN
2015 Impact Factor: 2.139
2015 SCImago Journal Rankings: 0.872
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorWu, JMen_HK
dc.contributor.authorWang, Men_HK
dc.contributor.authorLi, YWen_HK
dc.contributor.authorZhao, FDen_HK
dc.contributor.authorDing, XJen_HK
dc.contributor.authorOsaka, Aen_HK
dc.date.accessioned2010-09-06T07:15:12Z-
dc.date.available2010-09-06T07:15:12Z-
dc.date.issued2006en_HK
dc.identifier.citationSurface And Coatings Technology, 2006, v. 201 n. 3-4, p. 755-761en_HK
dc.identifier.issn0257-8972en_HK
dc.identifier.urihttp://hdl.handle.net/10722/75853-
dc.description.abstractSurface modification of titanium implants by introducing a titania layer on their surface is an effective approach to provide bioinert titanium with bioactivity, i.e., the ability to bond directly and tightly to the surrounding hard tissue through the formation of a thin layer of apatite after implantation in the human body. The crystalline structure and abundance of Ti-OH functional groups have been found to contribute to the ability of titania gel to initiate apatite deposition on titanium in human physiological fluid. In the current investigation, an amorphous titania gel was firstly introduced on titanium surface by oxidizing the titanium substrate with hydrogen peroxide. Well-crystallized anatase films incorporated with abundant Ti-OH groups were then produced simply through a subsequent hot water aging of the amorphous titania gel. Results obtained in this investigation suggested that the low-temperature crystallization of titania proceeded in a dissolution-precipitation process. Titanium treated by the present low-temperature chemical modification technique induced significant apatite deposition within 24 h in a simulated body fluid (SBF). © 2005 Elsevier B.V. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherElsevier SA. The Journal's web site is located at http://www.elsevier.com/locate/surfcoaten_HK
dc.relation.ispartofSurface and Coatings Technologyen_HK
dc.subjectApatiteen_HK
dc.subjectBioactivityen_HK
dc.subjectHydrogen peroxideen_HK
dc.subjectLow-temperature crystallizationen_HK
dc.subjectTitaniumen_HK
dc.titleCrystallization of amorphous titania gel by hot water aging and induction of in vitro apatite formation by crystallized titaniaen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0257-8972&volume=201&spage=755&epage=761&date=2006&atitle=Crystallization+of+amorphous+titania+gel+by+hot+water+aging+and+induction+of+in+vitro+apatite+formation+by+crystallized+titaniaen_HK
dc.identifier.emailWang, M:memwang@hku.hken_HK
dc.identifier.authorityWang, M=rp00185en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.surfcoat.2005.12.025en_HK
dc.identifier.scopuseid_2-s2.0-33748598262en_HK
dc.identifier.hkuros132974en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33748598262&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume201en_HK
dc.identifier.issue3-4en_HK
dc.identifier.spage755en_HK
dc.identifier.epage761en_HK
dc.identifier.isiWOS:000244477300032-
dc.publisher.placeSwitzerlanden_HK
dc.identifier.scopusauthoridWu, JM=7409257061en_HK
dc.identifier.scopusauthoridWang, M=15749714100en_HK
dc.identifier.scopusauthoridLi, YW=7502094314en_HK
dc.identifier.scopusauthoridZhao, FD=9839993900en_HK
dc.identifier.scopusauthoridDing, XJ=55240642200en_HK
dc.identifier.scopusauthoridOsaka, A=7005103455en_HK

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