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@ARTICLE{Li:890642,
      author       = {Li, Run and Gompper, Gerhard and Ripoll, Marisol},
      title        = {{T}umbling and {V}orticity {D}rift of {F}lexible
                      {H}elicoidal {P}olymers in {S}hear {F}low},
      journal      = {Anatomical science international},
      volume       = {54},
      number       = {2},
      issn         = {0024-9297},
      address      = {Tokyo},
      publisher    = {Springer814959},
      reportid     = {FZJ-2021-01092},
      pages        = {812-823},
      year         = {2021},
      note         = {Kein Post-print verfügbar},
      abstract     = {Helicoidal structures are frequent among organisms and
                      macromolecules with biological relevance, whose motion and
                      rheological properties are significantly influenced by the
                      chiral symmetry. The role of filament flexibility and
                      hydrodynamic interactions in the behavior of helix-like
                      polymers in shear flow is investigated here with simulation
                      and analytical approaches. Stability regimes can be
                      identified in dependence of polymer flexibilities and shear
                      rates that result in configurations without helical
                      symmetry. In the stable regime, elongated helices tumble
                      following Jeffery-type orbits, with frequencies
                      corresponding to an effective aspect ratio, which depends on
                      geometry, flexibility, and shear rate. Drift in the
                      vorticity direction can be quantified in the simulations
                      with a velocity that depends both on the helix intrinsic
                      geometrical parameters and on its flexibility. Using
                      resistive force theory, we obtain an expression for the
                      vorticity drift velocity directly as a function of the helix
                      geometry and shear rate that quantitatively describes the
                      simulation results. These results are expected to be useful
                      in the development and optimization of separation techniques
                      of racemic mixtures.},
      cin          = {IBI-5},
      ddc          = {610},
      cid          = {I:(DE-Juel1)IBI-5-20200312},
      pnm          = {524 - Molecular and Cellular Information Processing
                      (POF4-524)},
      pid          = {G:(DE-HGF)POF4-524},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000613936700027},
      doi          = {10.1021/acs.macromol.0c01651},
      url          = {https://juser.fz-juelich.de/record/890642},
}