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. 1972 Apr;12(4):414-9.
doi: 10.1016/S0006-3495(72)86093-4.

Membrane permeability. Generalization of the reflection coefficient method of describing volume and solute flows

A Zelman

Membrane permeability. Generalization of the reflection coefficient method of describing volume and solute flows

A Zelman. Biophys J. 1972 Apr.

Abstract

The reflection coefficient method for describing volume and solute fluxes through membranes is generalized to take into account the nonideality of the solutions bathing the membrane and/or multicomponent systems. The reflection coefficient of the impermeable species in these systems is less than unity by a coefficient gamma. The reflection coefficient obtained solely from the volume flow equation, sigma(v), will always be less than the reflection coefficient obtained from the solute flow equation, sigma(8) (v). These two coefficients are related by sigma(8) (v) = sigma(v) + gamma.

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