dc.creator | Beltrán, Ana M. | es |
dc.creator | Begines Ruiz, Belén | es |
dc.creator | Alcudia Cruz, Ana | es |
dc.creator | Rodríguez-Ortiz, José Antonio | es |
dc.creator | Torres Hernández, Yadir | es |
dc.date.accessioned | 2020-06-29T08:30:39Z | |
dc.date.available | 2020-06-29T08:30:39Z | |
dc.date.issued | 2020-06 | |
dc.identifier.citation | Beltrán, A.M., Begines Ruiz, B., Alcudia Cruz, A., Rodríguez-Ortiz, J.A. y Torres Hernández, Y. (2020). Biofunctional and Tribo-mechanical Behavior of Porous Titanium Substrates Coated with a Bioactive Glass Bilayer (45S5 ‒ 1393). ACS Applied Materials and Interfaces, 12 Jun | |
dc.identifier.issn | 1944-8244 | es |
dc.identifier.issn | 1944-8252 | es |
dc.identifier.uri | https://hdl.handle.net/11441/98382 | |
dc.description.abstract | Porous substrates of commercially pure titanium have been coated with a novel bilayer of
bioactive glasses, 45S5 and 1393, to improve the osseointegration and solve the
stress-shielding phenomenon of titanium partial implants. The porosity of the substrates, the
scratch resistance and bioactivity of the coating have been evaluated. Results are discussed in
terms of stiffness and yield strength of the substrates, as well as the chemical composition,
thickness and design of the bioglass coating (monolithic vs. bilayer). The role of the pores
was a crucial issue in the anchoring of the coating, both in porosity percentage (30 and 60
vol. %) and pore range size (100 – 200 and 355 ‒ 500 μm). The study was focused on the
adhesion and infiltration of a 1393 bioglass layer (in contact with a porous titanium substrate),
in combination with the biofunctionality of the 45S5 bioglass layer (surrounded by the host
bone tissue), as 1393 bioglass enhances the adherence, while 45S5 bioglass promotes higher
bioactivity. This bioactivity of the raw powder was initially estimated by nuclear magnetic
resonance, through the evaluation of the chemical environments, and confirmed by the
formation of hydroxyapatite, when immersed in simulated body fluid. Results revealed that the substrate with 30 vol. % of porosity and a range of 355 ‒ 500 μm pore size, coated with
this novel bioactive glass bilayer, presented the best combination in terms of mechanical and
biofunctional properties. | es |
dc.description.sponsorship | Junta de Andalucía–FEDER (Spain) Project Ref. US-1259771 | es |
dc.description.sponsorship | Ministerio de Ciencia y Educación (Spain) Project 2004/00001203 (RYC-2004-001497) | es |
dc.format | application/pdf | es |
dc.format.extent | 37 p. | es |
dc.language.iso | eng | es |
dc.publisher | American Chemical Society | es |
dc.relation.ispartof | ACS Applied Materials and Interfaces, 12 Jun | |
dc.rights | Attribution-NonCommercial-NoDerivatives 4.0 Internacional | * |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/4.0/ | * |
dc.subject | Porous titanium substrates | es |
dc.subject | Bilayer coating | es |
dc.subject | BG 45S5 and BG 1393 | es |
dc.subject | Tribo-mechanical behavior | es |
dc.subject | Bioactivity | es |
dc.title | Biofunctional and Tribo-mechanical Behavior of Porous Titanium Substrates Coated with a Bioactive Glass Bilayer (45S5 ‒ 1393) | es |
dc.type | info:eu-repo/semantics/article | es |
dcterms.identifier | https://ror.org/03yxnpp24 | |
dc.type.version | info:eu-repo/semantics/acceptedVersion | es |
dc.rights.accessRights | info:eu-repo/semantics/embargoedAccess | es |
dc.contributor.affiliation | Universidad de Sevilla. Departamento de Ingeniería y Ciencia de los Materiales y del Transporte | es |
dc.contributor.affiliation | Universidad de Sevilla. Departamento de Química Orgánica y Farmacéutica | es |
dc.relation.projectID | US-1259771 | es |
dc.relation.projectID | 2004/00001203 (RYC-2004-001497) | es |
dc.date.embargoEndDate | 2021-07-01 | |
dc.relation.publisherversion | https://pubs.acs.org/doi/abs/10.1021/acsami.0c07318 | es |
dc.identifier.doi | 10.1021/acsami.0c07318 | es |
dc.contributor.group | Universidad de Sevilla. TEP123: Metalurgia e Ingeniería de los Materiales | es |
dc.contributor.group | Universidad de Sevilla. FQM135: Carbohidratos y Polímeros | es |
idus.validador.nota | Peer reviewed | es |
dc.journaltitle | ACS Applied Materials and Interfaces | es |
dc.publication.volumen | 12 Jun | es |