Incorporation Of Ca, P, And Si On Bioactive Coatings Produced By Plasma Electrolytic Oxidation: The Role Of Electrolyte Concentration And Treatment Duration.

dc.creatorMarques, Isabella da Silva Vieira
dc.creatorda Cruz, Nilson Cristino
dc.creatorLanders, Richard
dc.creatorYuan, Judy Chia-Chun
dc.creatorMesquita, Marcelo Ferraz
dc.creatorSukotjo, Cortino
dc.creatorMathew, Mathew T
dc.creatorBarão, Valentim Adelino Ricardo
dc.date2015
dc.date2016-05-23T19:40:45Z
dc.date2016-05-23T19:40:45Z
dc.date.accessioned2018-03-29T01:28:17Z
dc.date.available2018-03-29T01:28:17Z
dc.identifierBiointerphases. v. 10, n. 4, p. 041002, 2015.
dc.identifier1559-4106
dc.identifier10.1116/1.4932579
dc.identifierhttp://scitation.aip.org/content/avs/journal/bip/10/4/10.1116/1.4932579
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/235367
dc.identifier26446191
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1303610
dc.descriptionThe objectives of the present study were to produce bioactive coatings in solutions containing Ca, P, and Si by plasma electrolytic oxidation (PEO) on commercially pure titanium, to investigate the influence of different electrolytes concentration and treatment duration on the produced anodic films and to evaluate biocompatibility properties. The anodic films were characterized using scanning electron microscopy, energy-dispersive spectroscopy, atomic force microscopy, and x-ray diffraction and x-ray photoelectron spectroscopies. The surface energy and roughness were also evaluated. PEO process parameters influenced the crystalline structure formation and surface topography of the anodic films. Higher Ca content produced larger porous (volcanolike appearance) and thicker oxide layers when compared to the lower content. Treatment duration did not produce any topography difference. The treatment modified the surface chemistry, producing an enriched oxide layer with bioactive elements in the form of phosphate compounds, which may be responsible for mimicking bone surface. In addition, a rough surface with increased surface energy was generated. Optimal spreading and proliferation of human mesenchymal stem cells was achieved by PEO treatment, demonstrating excellent biocompatibility of the surface. The main finding is that the biofunctionalization with higher Ca/P on Ti-surface can improve surface features, potentially considered as a candidate for dental implants.
dc.description10
dc.description041002
dc.languageeng
dc.relationBiointerphases
dc.relationBiointerphases
dc.rightsembargo
dc.sourcePubMed
dc.titleIncorporation Of Ca, P, And Si On Bioactive Coatings Produced By Plasma Electrolytic Oxidation: The Role Of Electrolyte Concentration And Treatment Duration.
dc.typeArtículos de revistas


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