Triethylphosphite as a network forming agent enhances in-vitro biocompatibility and corrosion protection of hybrid organic-inorganic sol-gel coatings for Ti6Al4V alloys

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dc.contributor.author El Hadad, Amir
dc.contributor.author Barranco, Violeta
dc.contributor.author Jiménez Morales, Antonia
dc.contributor.author Hickman, G. J.
dc.contributor.author Galván, J. C.
dc.contributor.author Perry, C. C.
dc.date.accessioned 2014-10-14T10:05:21Z
dc.date.available 2015-10-07T22:00:05Z
dc.date.issued 2014-10
dc.identifier.bibliographicCitation Journal of Materials Chemistry B (2014).
dc.identifier.issn 2050-750X (print)
dc.identifier.issn 2050-7518 (online)
dc.identifier.uri http://hdl.handle.net/10016/19481
dc.description In Press, Accepted Manuscript
dc.description.abstract The biocompatibility and life of metallic implants can be enhanced through improving the biocompatibility and corrosion protection characteristics of the coatings used with these materials. In this study, triethylphosphite (TEP) was used to introduce phosphorus into organic-inorganic hybrid silica based sol-gel coatings prepared using gamma-methacryloxypropyltrimethoxysilane and tetramethylorthosilicate. Addition of TEP dramatically increased the rate of intermolecular condensation and resulted in materials showing greater cross-linking. Protein (fibrinogen) uptake, osteoblast in vitro biocompatibility and corrosion resistance was enhanced in coatings containing TEP. Although higher concentrations of phosphorus supported the greatest improvement in biocompatibility, a compromise in the phosphorus concentration used would be required if corrosion resistance was most desirable parameter for optimisation. Films prepared by dip coating on Ti6Al4V alloys from these sols offer a promising alternative to wholly metallic prostheses.
dc.description.sponsorship This work was supported by the Ministerio de Economía y Competitividad (Project MAT2012-30854).
dc.format.extent 10
dc.format.mimetype application/pdf
dc.language.iso eng
dc.publisher Royal Society of Chemistry
dc.rights © 2014 Royal Society of Chemistry
dc.subject.other Triethylphosphite (TEP)
dc.subject.other Titanium alloys
dc.subject.other Corrosion protection
dc.subject.other Sol-gel process
dc.subject.other Hybrid coatings
dc.subject.other Organic-inorganic coatings
dc.title Triethylphosphite as a network forming agent enhances in-vitro biocompatibility and corrosion protection of hybrid organic-inorganic sol-gel coatings for Ti6Al4V alloys
dc.type article
dc.description.status Publicado
dc.relation.publisherversion http://dx.doi.org/10.1039/C4TB01175A
dc.subject.eciencia Ingeniería Industrial
dc.subject.eciencia Materiales
dc.subject.eciencia Química
dc.identifier.doi 10.1039/C4TB01175A
dc.rights.accessRights openAccess
dc.relation.projectID Gobierno de España. MAT2012-30854
dc.type.version acceptedVersion
dc.identifier.publicationtitle Journal of materials chemistry. B
dc.identifier.publicationvolume Journal of Materials Chemistry B (2014).
dc.identifier.uxxi AR/0000015686
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