期刊
JOURNAL OF THE ROYAL SOCIETY INTERFACE
卷 6, 期 -, 页码 S361-S369出版社
ROYAL SOC
DOI: 10.1098/rsif.2008.0427.focus
关键词
metal; biofunction; surface modification
Surface modi. cation is an important and predominant technique for obtaining biofunction and biocompatibility in metals for biomedical use. The surface modi. cation technique is a process that changes the surface composition, structure and morphology of a material, leaving the bulk mechanical properties intact. A tremendous number of surface modi. cation techniques using dry and wet processes to improve the hard tissue compatibility of titanium have been developed. Some are now commercially available. Most of these processes have been developed by Japanese institutions since the 1990s. A second approach is the immobilization of biofunctional molecules to the metal surface to control the adsorption of proteins and adhesion of cells, platelets and bacteria. The immobilization of poly(ethylene glycol) to a metal surface with electrodeposition and its effect on biofunction are reviewed. The creation of a metal-polymer composite is another way to obtain metal-based biofunctional materials. The relationship between the shear bonding strength and the chemical structure at the bonding interface of a Ti-segmentated polyurethane composite through a silane coupling agent is explained.
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