facilitated transport


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facilitated transport

[fə′sil· ə‚tād·əd ′trans‚pȯrt]
(physiology)
The transport of certain materials across a cell membrane, down a concentration gradient, assisted by enzymelike carrier proteins embedded in the membrane and without the explicit provision of energy.
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References in periodicals archive ?
Hlaibi, "A supported liquid membrane (SLM) with resorcinarene for facilitated transport of methyl glycopyranosides: parameters and mechanism relating to the transport," Journal of Membrane Science, vol.
Verchere, "Facilitated transport of sugars by a resorcinarene through a supported liquid membrane," Journal of Membrane Science, vol.
Riri et al., "A new supported liquid membrane (SLM) with methyl cholate for facilitated transport of dichromate ions from mineral acids: parameters and mechanism relating to the transport," Journal of Materials and Environmental Science, vol.
Benjjar et al., "New supported liquid membrane for studying facilitated transport of U(VI) ions using Tributyl phosphate (TBP) and Tri-n-octylamine (TOA) as carriers from acid medium," BAOJ Chemistry, vol.
Caption: Figure 1: Facilitated transport and extraction mechanism through a SLM.
Two different amines, MEA and DEA, were incorporated as the mobile carriers in these novel facilitated transport membranes.
The purpose of this study is to derive an approximate analytical solution for the prediction of the facilitation factor and permeation rate through liquid membranes for the facilitated transport of C[O.sub.2] where the reaction rate for C[O.sub.2] is expressed by the zwitterions reaction mechanism of Danckwerts (1979) and over a range from the moderate chemical reaction rate region to the chemical equilibrium region.
They developed a model for facilitated transport of C[O.sub.2] through an amine-containing liquid membrane.
An approximate analytical model is developed for C[O.sub.2] facilitated transport in the case where the reversible reaction (1) is occurred inside the liquid membranes.
The model agreed well with C[O.sub.2] facilitated transport experiment through liquid membranes, present and literature numerical results.
Hasanain, "Facilitated Transport of C[O.sub.2] through Immobilized Liquid Membrane," Ind.

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