diffusion in extracellular medium

[Michel Kerszberg]

Does anyone have an estimate for the diffusion constant of a molecule
(say, a growth factor like activin) in the extracellular matrix? Or
some other estimate of its propagation velocity?

Thanks in advance!


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   Michel Kerszberg     >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>   Institut Pasteur        tel [33] - (1) - 45 68 88 08
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