selectively permeable membrane


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selectively permeable membrane

A membrane that allows one substance, such as water, to pass through more readily than another, such as salt or sugar.
See also: membrane
References in periodicals archive ?
Those efforts have, however, led to the discovery of structurally exciting molecules that might serve as ingredients for new materials, such as selectively permeable membranes for filtering gases from liquids, or for very hard materials of remarkably low weight, Chapman told SCIENCE NEWS.
Following the encapsulation of genetically engineered cells within selectively permeable membranes and placement of these capsules at a specific site within the brain, the researchers observed strong evidence of a neuroprotective effect resulting from the neurotrophic factor released by the capsule.