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Published August 1, 1975 | public
Journal Article Open

Brownian motion in biological membranes


Brownian motion (diffusion) of particles in membranes occurs in a highly anisotropic environment. For such particles a translational mobility (independent of velocity) can be defined if the viscosity of the liquid embedding the membrane is taken into account. The results of a model calculation are presented. They suggest that for a realistic situation translational diffusion should be about four times faster in relation to rotational diffusion than in the isotropic case.

Additional Information

© 1975 by the National Academy of Sciences. Contributed by M. Delbrück, June 9, 1975.


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