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@ARTICLE{Chelakkot:15476,
      author       = {Chelakkot, R. and Winkler, R.G. and Gompper, G.},
      title        = {{S}emiflexible polymer conformation, distribution and
                      migration in microcapillary flows},
      journal      = {Journal of physics / Condensed matter},
      volume       = {23},
      issn         = {0953-8984},
      address      = {Bristol},
      publisher    = {IOP Publ.},
      reportid     = {PreJuSER-15476},
      pages        = {184117},
      year         = {2011},
      note         = {The financial support and the stimulating environment of
                      the DFG priority program 'Nano- and Microfluidics' is
                      gratefully acknowledged. In particular, we thank R Finken
                      and U Seifert (Stuttgart), L Schmid and T Franke (Augsburg),
                      and D Steinhauser and T Pfohl (Gottingen and Basel) for many
                      helpful and inspiring discussions.},
      abstract     = {The flow behavior of a semiflexible polymer in
                      microchannels is studied using multiparticle collision
                      dynamics, a particle-based hydrodynamic simulation
                      technique. Conformations, distributions, and radial
                      cross-streamline migration are investigated for various
                      bending rigidities, with persistence lengths L(p) in the
                      range 0.5 ≤ L(p)/L(r) ≤ 30. The flow behavior is
                      governed by the competition between a hydrodynamic lift
                      force and steric repulsion from the wall, which lead to
                      migration away from the wall, and a locally varying flow
                      induced orientation, which drives the polymer away from the
                      channel center and towards the wall. The different
                      dependences of these effects on the polymer bending rigidity
                      and the flow velocity results in a complex dynamical
                      behavior. However, a generic effect is the appearance of a
                      maximum in the monomer and the center-of-mass distributions,
                      which occurs at the channel center for small flow
                      velocities, but moves off-center at higher velocities.},
      keywords     = {Algorithms / Animals / Biophysics: methods / Computer
                      Simulation / Diffusion / Erythrocytes: cytology / Humans /
                      Hydrodynamics / Models, Chemical / Molecular Conformation /
                      Motion / Nanotechnology: methods / Polymers: chemistry /
                      Solvents: chemistry / Polymers (NLM Chemicals) / Solvents
                      (NLM Chemicals) / J (WoSType)},
      cin          = {IAS-2 / ICS-2 / IFF-2},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IAS-2-20090406 / I:(DE-Juel1)ICS-2-20110106 /
                      I:(DE-Juel1)VDB782},
      pnm          = {BioSoft: Makromolekulare Systeme und biologische
                      Informationsverarbeitung},
      pid          = {G:(DE-Juel1)FUEK505},
      shelfmark    = {Physics, Condensed Matter},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:21508477},
      UT           = {WOS:000289725300018},
      doi          = {10.1088/0953-8984/23/18/184117},
      url          = {https://juser.fz-juelich.de/record/15476},
}