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Self-organization of red blood cell suspensions under confined 2D flows


Dynamic self-organized structures with long-range order have been observed in emulsions and suspensions of particles under confined flows. Here, experiments on red blood cell suspensions in quasi-2D confined flows and numerical simulations were combined to explore long-distance self-organization as a function of the channel width, the red blood cell concentration and the flow rate. They reveal and quantitatively describe the existence of red blood cell long-range alignments and heterogeneous cross-stream concentration profiles characterized by red blood cell-enriched bands parallel to the flow. Numerical simulations show that, in addition to the degree of lateral confinement, the key factor for the structural self-organization of a suspension of particles under a confined flow is the deformability of the constituent particles.

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Publication details

The article was received on 19 Dec 2018, accepted on 12 Mar 2019 and first published on 14 Mar 2019

Article type: Paper
DOI: 10.1039/C8SM02571A
Citation: Soft Matter, 2019, Accepted Manuscript

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    Self-organization of red blood cell suspensions under confined 2D flows

    C. Iss, D. Midou, A. Moreau, D. Held, A. Charrier, S. Mendez, A. Viallat and E. Helfer, Soft Matter, 2019, Accepted Manuscript , DOI: 10.1039/C8SM02571A

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