Reports

Thermodynamic Treatment of Radio-Tracer Movements across Biological Membranes

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Science  02 Dec 1960:
Vol. 132, Issue 3440, pp. 1661-1662
DOI: 10.1126/science.132.3440.1661-a

Abstract

The movements of radioactive tracers across living cell membranesare discussed on the basis of thermodynamics of irreversible processes. Krogh's equation describing the flux of a tracer as a function oftime is derived, and the significance of the "permeability" constant is clarified.

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