| Téléchargement | - Voir le manuscrit accepté : Novel hydroxyapatite coating on new porous titanium and titanium-HDPE composite for hip implant (PDF, 1.7 Mio)
|
|---|
| DOI | Trouver le DOI : https://doi.org/10.1016/j.surfcoat.2007.10.040 |
|---|
| Auteur | Rechercher : Xie, Jianhui1; Rechercher : Luan, Ben Li1; Rechercher : Wang, Jianfeng1; Rechercher : Liu, Xing Yang1; Rechercher : Rorabeck, Cecil; Rechercher : Bourne, Robert |
|---|
| Affiliation | - Conseil national de recherches du Canada. Institut des matériaux industriels du CNRC
|
|---|
| Format | Texte, Article |
|---|
| Sujet | titanium; composite; hydroxyapatite; electrochemical activation; nanostructure |
|---|
| Résumé | Porous titanium (Ti) and Ti-high density polyethylene (Ti-HDPE) composite were investigated as new hip implant materials to increase the biomechanical compatibility by promoting a matching modulus of elasticity between hip stem and human bone. Surfaces of both materials were modified to increase its bioactivity and biocompatibility through electrochemical activation treatment and deposition of hydroxyapatite (HA) coating. The electrochemical activation treatment of both materials in 10 M NaOH solution created a bone-like porous nanostructure across the surfaces, thus enhancing the growth of natural bone. A top layer with nanometer-pores and TiO2 was formed during the activation process, creating a favorable and prerequisite condition conducive to the formation of hydroxyapatite coating. Furthermore, a layer of hydroxyapatite, a bioactive and biocompatible bioceramics that is the main component of natural bone, was deposited on the porous Ti and Ti-HDPE composite through a novel chemo-biomimetic method. The formed coating was characterized through TEM as a nanometer scale crystalline. |
|---|
| Date de publication | 2007-11-17 |
|---|
| Dans | |
|---|
| Langue | anglais |
|---|
| Publications évaluées par des pairs | Oui |
|---|
| Numéro NPARC | 21274312 |
|---|
| Exporter la notice | Exporter en format RIS |
|---|
| Signaler une correction | Signaler une correction (s'ouvre dans un nouvel onglet) |
|---|
| Identificateur de l’enregistrement | 0909c638-de75-4b5c-8224-81b8d4cdd482 |
|---|
| Enregistrement créé | 2015-03-09 |
|---|
| Enregistrement modifié | 2020-06-04 |
|---|
