Abstract:
The near membrane layer is a region where the concentration of the substance transported across the membrane is significantly decreased. Its thickness is defined as a length over which the concentration drops k times with k being an arbitrary large number. The time evolution of such a layer is studied experimentally by means of the laser interferometric method. It is shown that within the experimental errors the thickness of the near membrane layer grows in time for any k as with the coefficient a being independent of the initial concentration and the membrane permeability. Time evolution of the near membrane layers is also analyzed theoretically. The regularities found experimentally are naturally described within the model which has been earlier developed by one of us. In particular, a scales as .
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Received 12 November 1999 and Received in final form 3 July 2000
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Dworecki, K., Kosztolowicz, T., Mrówczynski, S. et al. Time evolution of near membrane layers. Eur. Phys. J. E 3, 389–394 (2000). https://doi.org/10.1007/s101890070009
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DOI: https://doi.org/10.1007/s101890070009