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@ARTICLE{Holm:864170,
author = {Holm, Stefan H. and Zhang, Zunmin and Beech, Jason P. and
Gompper, Gerhard and Fedosov, Dmitry A. and Tegenfeldt,
Jonas O.},
title = {l{M}icrofluidic {P}article {S}orting in {C}oncentrated
{E}rythrocyte {S}uspensions},
journal = {Physical review applied},
volume = {12},
number = {1},
issn = {2331-7019},
address = {College Park, Md. [u.a.]},
publisher = {American Physical Society},
reportid = {FZJ-2019-04036},
pages = {014051},
year = {2019},
abstract = {An important step in diagnostics is the isolation of
specific cells and microorganisms of interest from blood.
Since such bioparticles are often present at very low
concentrations, throughput needs to be as high as possible.
In addition, to ensure simplicity, a minimum of sample
preparation is important. Therefore, sorting schemes that
function for whole blood are highly desirable. Deterministic
lateral displacement (DLD) devices have proven to be very
precise and versatile in terms of a wide range of sorting
parameters. To better understand how DLD devices perform for
blood as the hematocrit increases, we carry out measurements
and simulations for spherical particles in the micrometer
range which move through DLD arrays for different flow
velocities and hematocrits ranging from pure buffer to
concentrated erythrocyte suspensions mimicking whole blood.
We find that the separation function of the DLD array is
sustained even though the blood cells introduce a shift in
the trajectories and a significant dispersion for particles
whose diameters are close to the critical size in the
device. Simulations qualitatively replicate our experimental
observations and help us identify fundamental mechanisms for
the effect of hematocrit on the performance of the DLD
device},
cin = {ICS-2 / JARA-HPC},
ddc = {530},
cid = {I:(DE-Juel1)ICS-2-20110106 / $I:(DE-82)080012_20140620$},
pnm = {553 - Physical Basis of Diseases (POF3-553) / Blood flow in
microvascular networks $(jics21_20181101)$},
pid = {G:(DE-HGF)POF3-553 / $G:(DE-Juel1)jics21_20181101$},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000477919700002},
doi = {10.1103/PhysRevApplied.12.014051},
url = {https://juser.fz-juelich.de/record/864170},
}