Interactions of Hydroxyapatite Surfaces: Conditioning Films of Human Whole Saliva

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Interactions of Hydroxyapatite Surfaces: Conditioning Films of Human Whole Saliva

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dc.contributor.author Cárdenas, Marité
dc.contributor.author Valle-Delgado, Juan José
dc.contributor.author Hamit, Jildiz
dc.contributor.author Rutland, Mark
dc.contributor.author Arnebrant, Thomas
dc.date.accessioned 2008-12-02T13:07:19Z
dc.date.available 2008-12-02T13:07:19Z
dc.date.issued 2008
dc.identifier.uri http://hdl.handle.net/2043/6899
dc.description.abstract Hydroxyapatite is a very interesting material given that it is the main component in tooth enamel and because of its uses in bone implant applications. Therefore, not only the characterization of its surface is of high relevance but also designing reliable methods to study the interfacial properties of films adsorbed onto it. In this paper we apply the colloidal probe atomic force microscopy method to investigate the surface properties of commercially available hydroxyapatite surfaces (both microscopic particles and macroscopic discs) in terms of interfacial and frictional forces. In this way, we find that hydroxyapatite surfaces at physiological relevant conditions are slightly negatively charged. The surfaces were then exposed to human whole saliva, and the surface properties were re-evaluated. A thick film was formed that was very resistant to mechanical stress. The frictional measurements demonstrated that the film was indeed highly lubricating, supporting the argument that this system may prove to be a relevant model for evaluating dental and implant systems. en
dc.format.extent 7
dc.language.iso eng en
dc.publisher American Chemical Society en
dc.subject.classification Sciences en
dc.title Interactions of Hydroxyapatite Surfaces: Conditioning Films of Human Whole Saliva en
dc.type Article, peer reviewed scientific en
dc.contributor.department Malmö University. Faculty of Health and Society en
dc.identifier.doi 10.1021/la800402s en
dc.subject.srsc Research Subject Categories::NATURAL SCIENCES en
dc.subject.srsc Research Subject Categories::TECHNOLOGY en
dc.relation.ispartofpublication Langmuir;14 en
dc.relation.ispartofpublicationvolume 24 en
dc.format.ePage 7268
dc.format.sPage 7262
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