From leaking devices to smart permeability: the technology of diffusion and other transport mechanisms.
Some devices are required to be totally leak-proof, others are specifically designed to control permeability of one component through another. Some of the principles of diffusion and some of the practical applications are discussed in this article.
Williams
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Clinical Engineering Department, Royal Liverpool University Hospital, UK. dfw.ce@liverpool.ac.uk
D000042:Absorption; D003261:Contact Lenses; D004058:Diffusion; D004867:Equipment Design; D004864:Equipment and Supplies; D006801:Humans; D010107:Oxygenators, Membrane; D010539:Permeability; D006435:Renal Dialysis / Q000295:instrumentation