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Ti4+ to Ti3+ conversion of TiO2 uppermost layer by low-temperature vacuum annealing: interest for titanium biomedical applications.
| hal.structure.identifier | Biomateriaux et Reparation Tissulaire | |
| dc.contributor.author | GUILLEMOT, Fabien | |
| hal.structure.identifier | Biomateriaux et Reparation Tissulaire | |
| dc.contributor.author | PORTÉ, M. C. | |
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | LABRUGÈRE, Christine | |
| hal.structure.identifier | Biomateriaux et Reparation Tissulaire | |
| dc.contributor.author | BAQUEY, Charles | |
| dc.date.issued | 2002 | |
| dc.identifier.issn | 0021-9797 | |
| dc.description.abstractEn | Because of the Ti(3+) defects responsibility for dissociative adsorption of water onto TiO(2) surfaces and due to the hydroxyls influence on the biological behavior of titanium, controlling the Ti(3+) surface defects density by means of low-temperature vacuum annealing is proposed to improve the bone/implant interactions. Experiments have been carried out on Ti-6Al-4V alloys exhibiting a porous surface generated primarily by chemical treatment. XPS investigations have shown that low-temperature vacuum annealing can create a controlled number of Ti(3+) defects (up to 21% Ti(3+)/Ti(4+) at 573 K). High Ti(3+) defect concentration is linked to surface porosity. Such surfaces, exhibiting high hydrophilicity and microporosity, would confer to titanium biomaterials a great ability to interact with surrounding proteins and cells and hence would favor the bone anchorage of as-treated implants. | |
| dc.language.iso | en | |
| dc.publisher | Elsevier | |
| dc.title.en | Ti4+ to Ti3+ conversion of TiO2 uppermost layer by low-temperature vacuum annealing: interest for titanium biomedical applications. | |
| dc.type | Article de revue | |
| dc.identifier.doi | 10.1006/jcis.2002.8623 | |
| dc.subject.hal | Chimie/Matériaux | |
| bordeaux.journal | Journal of Colloid and Interface Science | |
| bordeaux.page | 75-78 | |
| bordeaux.volume | 255 | |
| bordeaux.issue | 1 | |
| bordeaux.peerReviewed | oui | |
| hal.identifier | hal-00817470 | |
| hal.version | 1 | |
| hal.popular | non | |
| hal.audience | Internationale | |
| dc.subject.it | Titanium | |
| dc.subject.it | Biomedical application | |
| dc.subject.it | Vacuum | |
| hal.origin.link | https://hal.archives-ouvertes.fr//hal-00817470v1 | |
| bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Journal%20of%20Colloid%20and%20Interface%20Science&rft.date=2002&rft.volume=255&rft.issue=1&rft.spage=75-78&rft.epage=75-78&rft.eissn=0021-9797&rft.issn=0021-9797&rft.au=GUILLEMOT,%20Fabien&PORT%C3%89,%20M.%20C.&LABRUG%C3%88RE,%20Christine&BAQUEY,%20Charles&rft.genre=article |
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