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@ARTICLE{Eisenstecken:825420,
      author       = {Eisenstecken, Thomas and Hu, Jinglei and Winkler, Roland
                      G.},
      title        = {{B}acterial swarmer cells in confinement: a mesoscale
                      hydrodynamic simulation study},
      journal      = {Soft matter},
      volume       = {12},
      number       = {40},
      issn         = {1744-6848},
      address      = {London},
      publisher    = {Royal Soc. of Chemistry},
      reportid     = {FZJ-2016-07883},
      pages        = {8316 - 8326},
      year         = {2016},
      abstract     = {A wide spectrum of Peritrichous bacteria undergo
                      considerable physiological changes when they are inoculated
                      onto nutrition-rich surfaces and exhibit a rapid and
                      collective migration denoted as swarming. Thereby, the
                      length of such swarmer cells and their number of flagella
                      increases substantially. In this article, we investigated
                      the properties of individual E. coli-type swarmer cells
                      confined between two parallel walls via mesoscale
                      hydrodynamic simulations, combining molecular dynamics
                      simulations of the swarmer cell with the multiparticle
                      particle collision dynamics approach for the embedding
                      fluid. E. coli-type swarmer cells are three-times longer
                      than their planktonic counter parts, but their flagella
                      density is comparable. By varying the wall separation, we
                      analyze the confinement effect on the flagella arrangement,
                      on the distribution of cells in the gap between the walls,
                      and on the cell dynamics. We find only a weak dependence of
                      confinement on the bundle structure and dynamics. The
                      distribution of cells in the gap changes from a
                      geometry-dominated behavior for very narrow to
                      fluid-dominated behavior for wider gaps, where cells are
                      preferentially located in the gap center for narrower gaps
                      and stay preferentially next to one of the walls for wider
                      gaps. Dynamically, the cells exhibit a wide spectrum of
                      migration behaviors, depending on their flagella bundle
                      arrangement, and ranges from straight swimming to wall
                      rolling.},
      cin          = {IAS-2},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IAS-2-20090406},
      pnm          = {551 - Functional Macromolecules and Complexes (POF3-551)},
      pid          = {G:(DE-HGF)POF3-551},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000386237000006},
      pubmed       = {pmid:27714355},
      doi          = {10.1039/C6SM01532H},
      url          = {https://juser.fz-juelich.de/record/825420},
}