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Article: Biomimetic deposition of apatite on surface chemically modified porous NiTi shapememory alloy

TitleBiomimetic deposition of apatite on surface chemically modified porous NiTi shapememory alloy
Authors
Keywordsapatite
bioactivity
biomimetic
Porous NiTi
shape memory alloy
surface modification
Issue Date2008
PublisherWorld Scientific Publishing Co Pte Ltd. The Journal's web site is located at http://www.worldscinet.com/srl/srl.shtml
Citation
Surface Review And Letters, 2008, v. 15 n. 1-2, p. 97-104 How to Cite?
AbstractPorous NiTi shape memory alloy (SMA) with 48% porosity and an average pore size of 50800 μm was synthesized by capsule-free hot isostatic pressing (CF-HIP). To enhance the surface bioactivity, the porous NiTi SMA was subjected to H"2O"2 and subsequent NaOH treatment. Scanning electron microscopy, X-ray diffraction, and X-ray photoelectron spectroscopy analyses revealed that a porous sodium titanate (Na"2TiO"3) film had formed on the surface of the porous NiTi SMA. An apatite layer was deposited on this film after immersion in simulated body fluid at 37°C, while no apatite could be found on the surface of the untreated porous NiTi SMA. The formation of the apatite layer infers that the bioactivity of the porous NiTi SMA may be enhanced by surface chemical treatment, which is favorable for its application as bone implants. © 2008 World Scientific Publishing Company.
Persistent Identifierhttp://hdl.handle.net/10722/139533
ISSN
2015 Impact Factor: 0.435
2015 SCImago Journal Rankings: 0.156
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorWu, SLen_HK
dc.contributor.authorLiu, XMen_HK
dc.contributor.authorChung, CYen_HK
dc.contributor.authorChu, PKen_HK
dc.contributor.authorChan, YLen_HK
dc.contributor.authorYeung, KWKen_HK
dc.contributor.authorChu, CLen_HK
dc.date.accessioned2011-09-23T05:51:20Z-
dc.date.available2011-09-23T05:51:20Z-
dc.date.issued2008en_HK
dc.identifier.citationSurface Review And Letters, 2008, v. 15 n. 1-2, p. 97-104en_HK
dc.identifier.issn0218-625Xen_HK
dc.identifier.urihttp://hdl.handle.net/10722/139533-
dc.description.abstractPorous NiTi shape memory alloy (SMA) with 48% porosity and an average pore size of 50800 μm was synthesized by capsule-free hot isostatic pressing (CF-HIP). To enhance the surface bioactivity, the porous NiTi SMA was subjected to H"2O"2 and subsequent NaOH treatment. Scanning electron microscopy, X-ray diffraction, and X-ray photoelectron spectroscopy analyses revealed that a porous sodium titanate (Na"2TiO"3) film had formed on the surface of the porous NiTi SMA. An apatite layer was deposited on this film after immersion in simulated body fluid at 37°C, while no apatite could be found on the surface of the untreated porous NiTi SMA. The formation of the apatite layer infers that the bioactivity of the porous NiTi SMA may be enhanced by surface chemical treatment, which is favorable for its application as bone implants. © 2008 World Scientific Publishing Company.en_HK
dc.languageengen_US
dc.publisherWorld Scientific Publishing Co Pte Ltd. The Journal's web site is located at http://www.worldscinet.com/srl/srl.shtmlen_HK
dc.relation.ispartofSurface Review and Lettersen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsSurface Review and Letters. Copyright © World Scientific Publishing Co Pte Ltd.-
dc.rightsElectronic version of an article published as Surface Review and Letters, 2008, v. 15 n. 1-2, p. 97-104. Article DOI: 10.1142/S0218625X08011044 © World Scientific Publishing Company, Journal URL: http://www.worldscinet.com/srl/srl.shtml-
dc.subjectapatiteen_HK
dc.subjectbioactivityen_HK
dc.subjectbiomimeticen_HK
dc.subjectPorous NiTien_HK
dc.subjectshape memory alloyen_HK
dc.subjectsurface modificationen_HK
dc.titleBiomimetic deposition of apatite on surface chemically modified porous NiTi shapememory alloyen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0218-625X&volume=15&issue=1-2&spage=97&epage=104&date=2008&atitle=Biomimetic+deposition+of+apatite+on+surface+chemically+modified+porous+NiTi+shapememory+alloy-
dc.identifier.emailYeung, KWK:wkkyeung@hkucc.hku.hken_HK
dc.identifier.authorityYeung, KWK=rp00309en_HK
dc.description.naturepostprint-
dc.identifier.doi10.1142/S0218625X08011044-
dc.identifier.scopuseid_2-s2.0-43949138255en_HK
dc.identifier.hkuros192155en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-43949138255&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume15en_HK
dc.identifier.issue1-2en_HK
dc.identifier.spage97en_HK
dc.identifier.epage104en_HK
dc.identifier.isiWOS:000255159500019-
dc.publisher.placeSingaporeen_HK
dc.identifier.scopusauthoridWu, SL=15125218800en_HK
dc.identifier.scopusauthoridLiu, XM=8408205200en_HK
dc.identifier.scopusauthoridChung, CY=8100842800en_HK
dc.identifier.scopusauthoridChu, PK=36040705700en_HK
dc.identifier.scopusauthoridChan, YL=8250546500en_HK
dc.identifier.scopusauthoridYeung, KWK=13309584700en_HK
dc.identifier.scopusauthoridChu, CL=7404345713en_HK

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