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@ARTICLE{Mousavi:877302,
author = {Mousavi, Mahdiyeh and Gompper, Gerhard and Winkler, Roland
G.},
title = {{W}all entrapment of peritrichous bacteria: a mesoscale
hydrodynamics simulation study},
journal = {Soft matter},
volume = {16},
number = {20},
issn = {1744-6848},
address = {London},
publisher = {Royal Soc. of Chemistry},
reportid = {FZJ-2020-02118},
pages = {4866 - 4875},
year = {2020},
abstract = {Microswimmers such as E. coli bacteria accumulate and
exhibit an intriguing dynamics near walls, governed by
hydrodynamic and steric interactions. Insight into the
underlying mechanisms and predominant interactions demand a
detailed characterization of the entrapment process. We
employ a mesoscale hydrodynamics simulation approach to
study entrapment of an E. coli-type cell at a no-slip wall.
The cell is modeled by a spherocylindrical body with several
explicit helical flagella. Three stages of the entrapment
process can be distinguished: the approaching regime, where
a cell swims toward a wall on a nearly straight trajectory;
a scattering regime, where the cell touches the wall and
reorients; and a surface-swimming regime. Our simulations
show that steric interactions may dominate the entrapment
process, yet, hydrodynamic interactions slow down the
adsorption dynamics close to the boundary and imply a
circular motion on the wall. The locomotion of the cell is
characterized by a strong wobbling dynamics, with cells
preferentially pointing toward the wall during surface
swimming.},
cin = {IAS-2 / IBI-5},
ddc = {530},
cid = {I:(DE-Juel1)IAS-2-20090406 / I:(DE-Juel1)IBI-5-20200312},
pnm = {553 - Physical Basis of Diseases (POF3-553)},
pid = {G:(DE-HGF)POF3-553},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:32424390},
UT = {WOS:000537135300013},
doi = {10.1039/D0SM00571A},
url = {https://juser.fz-juelich.de/record/877302},
}