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Unformatted text preview: This file is to be used strictly for personal reading and non-commercial teaching purposes. Not for circulation. The file contains images from recent journal papers. Biomaterials Concepts 2 Summary ‹ Heart valves ‹ Dialysis membranes ‹ Drug delivery carriers ‹ Nerve regeneration tubes ‹ In situ gels – Vitreous – Cartilage ‹ Types of biomaterials ‹ Biological materials Bulk properties ‹ Crystalline structure: arrangement of atoms in a 3 dimensional space lattice consisting of repeat units or unit cells ‹ Bonding ‹ Mechanical properties ‹ Phases: allotropy-different phases with different crystal structures Surface properties ‹ Surface roughness ‹ Surface wettability ‹ Surface composition ‹ Contact angles to indicate wettability ‹ Protein adsorption on biomaterial depends on the surface ‹ Electron spectroscopy for chemical analysis – Only electrons emitted from surface lose no energy and contribute to signal ‹ Possible to achieve combination of surface properties and bulk properties Generated by Foxit PDF Creator © Foxit Software http://www.foxitsoftware.com For evaluation only. Biocompatibility...
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This note was uploaded on 10/01/2009 for the course CS BCB/Co taught by Professor Olivereulenstein during the Fall '06 term at Iowa State.
- Fall '06