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@ARTICLE{McWhirter:16983,
author = {McWhirter, J.L. and Noguchi, H. and Gompper, G.},
title = {{D}eformation and clustering of red blood cells in
microcapillary flows},
journal = {Soft matter},
volume = {7},
issn = {1744-683X},
address = {Cambridge},
publisher = {Royal Society of Chemistry (RSC)},
reportid = {PreJuSER-16983},
pages = {10967 - 10977},
year = {2011},
note = {We thank I. O. Gotze, T. Auth, M. Ripoll, G. Vliegenthart,
and R. G. Winkler for helpful discussions. Support of this
work by the DFG through the priority program SPP1164, 'Nano-
and Microfluidics', is gratefully acknowledged.},
abstract = {The shape changes and clustering of red blood cells (RBCs)
under flow in cylindrical microcapillaries are studied using
a triangulated surface model for the membrane and a
particle-based mesoscopic simulation technique for the
embedding fluid. As the flow velocity increases, the RBCs
make a transition from a discocyte shape at low velocities
to a parachute shape at high velocities; close to the
critical flow velocity, the RBC can also be found in a
transient slipper shape. The transition and critical flow
velocity are examined for various capillary diameters and
RBC volume fractions (hematocrit H-T). At high flow
velocities and low hematocrits, the parachute-shaped RBCs
can be found in clusters which are hydrodynamically
stabilized. Here, the formation of a fluid vortex between
neighboring cells, called bolus, develops which keeps the
cells at a preferred distance. Decreasing the flow velocity
towards the critical velocity, we observe an increasing
frequency of drastic RBC shape fluctuations to
slipper-shaped RBCs that can result in cluster breakup.
These clusters resemble those seen in experiments using
optical microscopy.},
keywords = {J (WoSType)},
cin = {ICS-2 / IAS-2},
ddc = {530},
cid = {I:(DE-Juel1)ICS-2-20110106 / I:(DE-Juel1)IAS-2-20090406},
pnm = {BioSoft: Makromolekulare Systeme und biologische
Informationsverarbeitung},
pid = {G:(DE-Juel1)FUEK505},
shelfmark = {Chemistry, Physical / Materials Science, Multidisciplinary
/ Physics, Multidisciplinary / Polymer Science},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000296388300060},
doi = {10.1039/c1sm05794d},
url = {https://juser.fz-juelich.de/record/16983},
}