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@ARTICLE{Vliegenthart:875442,
      author       = {Vliegenthart, Gerard A. and Ravichandran, Arvind and
                      Ripoll, Marisol and Auth, Thorsten and Gompper, Gerhard},
      title        = {{F}ilamentous active matter: {B}and formation, bending,
                      buckling, and defects},
      journal      = {Science advances},
      volume       = {6},
      number       = {30},
      issn         = {2375-2548},
      address      = {Washington, DC [u.a.]},
      publisher    = {Assoc.},
      reportid     = {FZJ-2020-02037},
      pages        = {eaaw9975},
      year         = {2020},
      abstract     = {Motor proteins drive persistent motion and
                      self-organization of cytoskeletal filaments. However,
                      state-of-the-art microscopy techniques and continuum
                      modeling approaches focus on large length and time scales.
                      Here, we perform component-based computer simulations of
                      polar filaments and molecular motors linking microscopic
                      interactions and activity to self-organization and dynamics
                      from the filament level up to the mesoscopic domain level.
                      Dynamic filament cross-linking and sliding and
                      excluded-volume interactions promote formation of bundles at
                      small densities and of active polar nematics at high
                      densities. A buckling-type instability sets the size of
                      polar domains and the density of topological defects. We
                      predict a universal scaling of the active diffusion
                      coefficient and the domain size with activity, and its
                      dependence on parameters like motor concentration and
                      filament persistence length. Our results provide a
                      microscopic understanding of cytoplasmic streaming in cells
                      and help to develop design strategies for novel engineered
                      active materials.},
      cin          = {IBI-5},
      ddc          = {500},
      cid          = {I:(DE-Juel1)IBI-5-20200312},
      pnm          = {551 - Functional Macromolecules and Complexes (POF3-551)},
      pid          = {G:(DE-HGF)POF3-551},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:32832652},
      UT           = {WOS:000552228100001},
      doi          = {10.1126/sciadv.aaw9975},
      url          = {https://juser.fz-juelich.de/record/875442},
}