permeable membrane


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Related to permeable membrane: Partially permeable membrane

permeable membrane

[′pər·mē·ə·bəl ′mem‚brān]
(chemistry)
A thin sheet or membrane of material through which selected liquid or gas molecules or ions will pass, either through capillary pores in the membrane or by ion exchange; used in dialysis, electrodialysis, and reverse osmosis.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The reactor itself consists of two chambers, a gas-carrying chamber, and a test fluid-filled chamber, which are separated from one another by a gas permeable membrane. The employed membrane is a nonporous fluorocarbon membrane (lumox, Sarstedt) with a thickness of 25 [micro]m that allows for cultivation of adherent cells surface treatment (not specified) carried out by the manufacturer.
Tatsumi, "[Ba.sub.1.0][Co.sub.0.7][Fe.sub.0.2][Nb.sub.0.1][O.sub.3-[delta]] dense ceramic as an oxygen permeable membrane for partial oxidation of methane to synthesis gas," Chemistry Letters, vol.
Rich, Adrienne, "Permeable Membrane," in A Human Eye: Essays on Art in Society, 1997-2008 (New York: Norton, 2009).
Forward osmosis or 'manipulated osmosis' or just 'osmosis' are terms used to describe a natural phenomenon, whereby a solvent flows from a region of lower osmotic pressure across a selectively permeable membrane to an area of higher osmotic pressure.
The semi permeable membrane used in a reverse osmosis purifier wears off fast if it is of inferior quality.
But Marston's says it has developed the idea of using 'beads' of yeast held within a permeable membrane to react with the beer.
It's a latter-day summoning of an age-old theme in American art, the apprehensive confrontation between the domestic and the frontier, that thin and permeable membrane between the wild and the cultivated that now resides in tourism.
It is a passive process, no energy is required, just a permeable membrane. It's minimally frustrated entropy that causes all things to move to a state of lowest energy.
Skin absorption is 600 times higher than what you ingest, because skin is a permeable membrane, and a direct route to our inner terrain."
Selectively Permeable Membrane Based Chemical/Biological Protective Field Duty Uniform -- Quoc Truong, Eugene Wilusz
An opening night panel of artists in world/indigenous dance forms set the tone for the conference theme, "Culture, Language, and Dance," when moderator Liz Lerman coined the phrase "permeable membrane" to describe the sharing and blending of cultural styles.