Reverse diffusion

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Reverse diffusion refers to a situation where the transport of particles (atoms or molecules) in a medium occurs towards regions of higher concentration gradients, opposite to that observed during diffusion. This phenomenon occurs during phase separation and is described by the Cahn–Hilliard equation.[1] Reverse diffusion also refers to when water is forced from a region of lower concentration to high. It can occur in osmosis.

## See also

## References

1. ↑ Cahn, John W.; Hilliard, John E. (February 1958). "Free Energy of a Nonuniform System. I. Interfacial Free Energy" (in en). The Journal of Chemical Physics 28 (2): 258–267. doi:10.1063/1.1744102. ISSN 0021-9606. Bibcode: 1958JChPh..28..258C. http://aip.scitation.org/doi/10.1063/1.1744102.

cs:Reverzní osmóza

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