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semipermeable membrane

   Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.
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Noun1.semipermeable membrane - a membrane (as a cell membrane) that allows some molecules to pass through but not others
cell membrane, cytomembrane, plasma membrane - a thin membrane (a double layer of lipids) enclosing the cytoplasm of a cell; proteins in the membrane control passage of ions (like sodium or potassium or calcium) in and out of the cell; "all cells have a cell membrane"
tissue layer, membrane - a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants


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A semipermeable membrane allows the passage of specific molecules through it.
Geox shoes have breathable technology, which allows the sweat to escape via a semipermeable membrane embedded in the sole.
A method for cell-free protein synthesis using an extract derived from an insect cell, the method comprising removing a component which can pass through a semipermeable membrane through the semipermeable membrane while maintaining synthesis reaction, thereby to continuously synthesize a protein.
 
 
 
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