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The European Physical Journal E

, Volume 22, Issue 4, pp 311–314 | Cite as

Segregation in desiccated sessile drops of biological fluids

Regular Articles

Abstract.

It is shown here that concurrence between advection and diffusion in a drying sessile drop of a biological fluid can produce spatial redistribution of albumen and salt. The result gives an explanation for the patterns observed in the dried drops of the biological fluids.

PACS.

47.57.-s Complex fluids and colloidal systems 47.55.nb Capillary and thermocapillary flows 66.10.Cb Diffusion and thermal diffusion 

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Copyright information

© EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2007

Authors and Affiliations

  1. 1.Astrakhan State UniversityAstrakhanRussia

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