Article: PIIID-formed (Ti, O)/Ti, (Ti, N)/Ti and (Ti, O, N)/Ti coatings on NiTi shape memory alloy for medical applications

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Publisher Website: 10.1016/j.msec.2012.04.027
Scopus: eid_2-s2.0-84861851094

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Title	PIIID-formed (Ti, O)/Ti, (Ti, N)/Ti and (Ti, O, N)/Ti coatings on NiTi shape memory alloy for medical applications
Authors	Sun, T1 2 Wang, LP3 Wang, M1 Tong, HW1 Lu, WW1
Keywords	Biocompatibility Biomaterials Cell Proliferation Coating Niti Shape Memory Alloy Plasma Immersion Ion Implantation And Deposition
Issue Date	2012
Publisher	Elsevier SA. The Journal's web site is located at http://www.elsevier.com/locate/msec
Citation	Materials Science And Engineering C, 2012, v. 32 n. 6, p. 1469-1479 [How to Cite?] DOI: http://dx.doi.org/10.1016/j.msec.2012.04.027
Abstract	(Ti, O)/Ti, (Ti, N)/Ti and (Ti, O, N)/Ti composite coatings were fabricated on NiTi shape memory alloy via plasma immersion ion implantation and deposition (PIIID). Surface morphology of samples was investigated using atomic force microscopy (AFM) and scanning electron microscopy (SEM). Cross-sectional morphology indicated that the PIIID-formed coatings were dense and uniform. X-ray diffraction (XRD) was used to characterize the phase composition of samples. X-ray photoelectron spectroscopy (XPS) results showed that the surface of coated NiTi SMA samples was Ni-free. Nanoindentation measurements and pin-on-disc tests were carried out to evaluate mechanical properties and wear resistance of coated NiTi SMA, respectively. For the in vitro biological assessment of the composite coatings in terms of cell morphology and cell viability, osteoblast-like SaOS-2 cells and breast cancer MCF-7 cells were cultured on NiTi SMA samples, respectively. SaOS-2 cells attached and spread better on coated NiTi SMA. Viability of MCF-7 cells showed that the PIIID-formed composite coatings were noncytotoxic and coated samples were more biocompatible than uncoated samples. © 2012 Elsevier B.V.
ISSN	0928-4931 2011 Impact Factor: 2.686
DOI	http://dx.doi.org/10.1016/j.msec.2012.04.027
ISI Accession Number ID	WOS:000306030900021
References	References in Scopus

DC Field	Value
dc.contributor.author	Sun, T
dc.contributor.author	Wang, LP
dc.contributor.author	Wang, M
dc.contributor.author	Tong, HW
dc.contributor.author	Lu, WW
dc.date.accessioned	2012-08-08T08:45:48Z
dc.date.available	2012-08-08T08:45:48Z
dc.date.issued	2012
dc.description.abstract	(Ti, O)/Ti, (Ti, N)/Ti and (Ti, O, N)/Ti composite coatings were fabricated on NiTi shape memory alloy via plasma immersion ion implantation and deposition (PIIID). Surface morphology of samples was investigated using atomic force microscopy (AFM) and scanning electron microscopy (SEM). Cross-sectional morphology indicated that the PIIID-formed coatings were dense and uniform. X-ray diffraction (XRD) was used to characterize the phase composition of samples. X-ray photoelectron spectroscopy (XPS) results showed that the surface of coated NiTi SMA samples was Ni-free. Nanoindentation measurements and pin-on-disc tests were carried out to evaluate mechanical properties and wear resistance of coated NiTi SMA, respectively. For the in vitro biological assessment of the composite coatings in terms of cell morphology and cell viability, osteoblast-like SaOS-2 cells and breast cancer MCF-7 cells were cultured on NiTi SMA samples, respectively. SaOS-2 cells attached and spread better on coated NiTi SMA. Viability of MCF-7 cells showed that the PIIID-formed composite coatings were noncytotoxic and coated samples were more biocompatible than uncoated samples. © 2012 Elsevier B.V.
dc.description.nature	Link_to_subscribed_fulltext
dc.identifier.citation	Materials Science And Engineering C, 2012, v. 32 n. 6, p. 1469-1479 [How to Cite?] DOI: http://dx.doi.org/10.1016/j.msec.2012.04.027
dc.identifier.citeulike	10764674
dc.identifier.doi	http://dx.doi.org/10.1016/j.msec.2012.04.027
dc.identifier.epage	1479
dc.identifier.hkuros	204333
dc.identifier.isi	WOS:000306030900021
dc.identifier.issn	0928-4931 2011 Impact Factor: 2.686
dc.identifier.issue	6
dc.identifier.scopus	eid_2-s2.0-84861851094
dc.identifier.spage	1469
dc.identifier.uri	http://hdl.handle.net/10722/157203
dc.identifier.volume	32
dc.language	eng
dc.publisher	Elsevier SA. The Journal's web site is located at http://www.elsevier.com/locate/msec
dc.publisher.place	Switzerland
dc.relation.ispartof	Materials Science and Engineering C
dc.relation.references	References in Scopus
dc.subject	Biocompatibility
dc.subject	Biomaterials
dc.subject	Cell Proliferation
dc.subject	Coating
dc.subject	Niti Shape Memory Alloy
dc.subject	Plasma Immersion Ion Implantation And Deposition
dc.title	PIIID-formed (Ti, O)/Ti, (Ti, N)/Ti and (Ti, O, N)/Ti coatings on NiTi shape memory alloy for medical applications
dc.type	Article

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Author Affiliations

The University of Hong Kong
null
Harbin Institute of Technology

Article: PIIID-formed (Ti, O)/Ti, (Ti, N)/Ti and (Ti, O, N)/Ti coatings on NiTi shape memory alloy for medical applications

The HKU Scholars Hub has contact details for these author(s).