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@ARTICLE{Chien:864447,
author = {Chien, Wei and Zhang, Zunmin and Gompper, Gerhard and
Fedosov, Dmitry A.},
title = {{D}eformation and dynamics of erythrocytes govern their
traversal through microfluidic devices with a deterministic
lateral displacement architecture},
journal = {Biomicrofluidics},
volume = {13},
number = {4},
issn = {1932-1058},
address = {Melville, NY},
publisher = {AIP},
reportid = {FZJ-2019-04231},
pages = {044106},
year = {2019},
abstract = {Deterministic lateral displacement (DLD) microfluidic
devices promise versatile and precise processing of
biological samples. However, this prospect has been realized
so far only for rigid spherical particles and remains
limited for biological cells due to the complexity of cell
dynamics and deformation in microfluidic flow. We employ
mesoscopic hydrodynamics simulations of red blood cells
(RBCs) in DLD devices with circular posts to better
understand the interplay between cell behavior in complex
microfluidic flow and sorting capabilities of such devices.
We construct a mode diagram of RBC behavior (e.g.,
displacement, zig-zagging, and intermediate modes) and
identify several regimes of RBC dynamics (e.g., tumbling,
tank-treading, and trilobe motion). Furthermore, we link the
complex interaction dynamics of RBCs with the post to their
effective cell size and discuss relevant physical mechanisms
governing the dynamic cell states. In conclusion, sorting of
RBCs in DLD devices based on their shear elasticity is, in
general, possible but requires fine-tuning of flow
conditions to targeted mechanical properties of the RBCs},
cin = {ICS-2 / JARA-HPC},
ddc = {530},
cid = {I:(DE-Juel1)ICS-2-20110106 / $I:(DE-82)080012_20140620$},
pnm = {552 - Engineering Cell Function (POF3-552) / Blood flow in
microvascular networks $(jics21_20181101)$},
pid = {G:(DE-HGF)POF3-552 / $G:(DE-Juel1)jics21_20181101$},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:31372194},
UT = {WOS:000483884200014},
doi = {10.1063/1.5112033},
url = {https://juser.fz-juelich.de/record/864447},
}