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. 1967 Jul;50(6):1807-20.
doi: 10.1085/jgp.50.6.1807.

Is the cell membrane a universal rate-limiting barrier to the movement of water between the living cell and its surrounding medium?

G N Ling, M M Ochsenfeld, G Karreman

Is the cell membrane a universal rate-limiting barrier to the movement of water between the living cell and its surrounding medium?

G N Ling et al. J Gen Physiol. 1967 Jul.

Abstract

With the use of a newly introduced technique, the "influx profile analysis," we studied the diffusion of tritiated water in and out of frog ovarian eggs at 25 degrees C. The results show that the rate-limiting step in the exchange of labeled water is not permeation through the cell membrane but diffusion in the bulk of the intracellular water.

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