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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 1 Definition Uses of biomaterials Joint replacements Contact lenses Hard Soft Sutures Vascular grafts Large diameter Small diameter Heart valves Functions of human heart valves are to maintain uni-directional non-obstructed blood flow Stenosis: decreased opening of the orifice Insufficiency: Unable to prevent backflow or regurgitation Mechanical and Bioprosthetic valves Starr Edwards caged ball valves : titanium alloys, silicone rubber ball Porcine biological valves Dialysis membranes Primary function of kidney to remove metabolic wastes Dialysis : a permeable solute passes through a membrane separating solutions of different concentrations by the action of concentration gradient Artificial kidney Remove nitrogenous metabolic wastes (small molecular solutes like urea, uric
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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.

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