Gradients in the concentration of a solute can drive particle transport by inducing interfacial flows via imbalances in the osmotic pressure near surfaces. Now it seems that this mechanism is directing traffic on the cell membrane.
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Bocquet, L., Palacci, J. Life on the osmotic slopes. Nat. Phys. 17, 763–764 (2021). https://doi.org/10.1038/s41567-021-01218-y
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DOI: https://doi.org/10.1038/s41567-021-01218-y
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