Abstract
The dispersion of red blood cell transit times in capillaries and microvascular networks is strongly correlated with their deformability. In this paper, we show that a pulse of red blood cells undergoes axial dispersion as it flows along a narrow channel and that the evolution of the pulse length is mainly determined by the transverse migration of cells. This simple macroscopic axial dispersion measurement can be used to derive microscopic cell migration parameters which are a signature of red blood cell deformability.
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