Permeability

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permeability

[‚pər·mē·ə′bil·əd·ē]
(electromagnetism)
A factor, characteristic of a material, that is proportional to the magnetic induction produced in a material divided by the magnetic field strength; it is a tensor when these quantities are not parallel. Also known as magnetic permeability.
(fluid mechanics)
The ability of a membrane or other material to permit a substance to pass through it.
Quantitatively, the amount of substance which passes through the material under given conditions.
(geology)
The capacity of a porous rock, soil, or sediment for transmitting a fluid without damage to the structure of the medium. Also known as conductivity; perviousness.
(naval architecture)
The percentage of a given space in a ship that can be occupied by water.

Permeability

A measure of the ability of a material, such as rock or soil, to transmit fluids or air through it.

permeability

1. The property of a porous material which permits the passage of water vapor through it. Also See permeance.
2. The property of soil, rock, or mantle which permits water to flow through it.
References in periodicals archive ?
Korczyn, "Antiphospholipid antibodies permeabilize and depolarize brain synaptoneurosomes," Lupus, vol.
(9) Briefly, cultured cells were treated with an appropriate concentration of digitonin, which specifically permeabilizes the cholesterol-rich plasma membrane, but not the cholesterol-poor nuclear envelope.
Plantaricin, "A cationic peptide produced by Lactobacillus plantarum, permeabilizes eukaryotic cell membranes by a mechanism dependent on negative surface charge linked to glycosylated membrane proteins," Biochimica et Biophysica Acta, vol.1828, no.2, pp.
Streptolysin O permeabilizes membranes to permit cellular uptake of large or charged molecules (Bhakdi and others 1984; Hugo and others 1986).
The bacterial peptide pheromone plantaricin A permeabilizes cancerous, but not normal, rat pituitary cells and differentiates between the outer and inner membrane leaflet.
(12,15) Specifically, xylitol disrupts biofilm integrity whereas lactoferrin permeabilizes bacterial membranes.12 Our present findings demonstrate that the combination of farnesol, xylitol and lactoferrin reduces biofilm biomass most effectively compared with the other agents tested.