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@ARTICLE{Fedosov:280344,
      author       = {Fedosov, Dmitry and Sengupta, Ankush and Gompper, Gerhard},
      title        = {{E}ffect of {F}luid-{C}olloid {I}nteractions on the
                      {M}obility of a {T}hermophoretic {M}icroswimmer in
                      {N}on-{I}deal {F}luids},
      journal      = {Soft matter},
      volume       = {11},
      number       = {33},
      issn         = {1744-683X},
      address      = {London},
      publisher    = {Royal Soc. of Chemistry},
      reportid     = {FZJ-2016-00128},
      pages        = {6703-6715},
      year         = {2015},
      abstract     = {Janus colloids propelled by light, e.g., thermophoretic
                      particles, offer promising prospects as artificial
                      microswimmers. However, their swimming behavior and its
                      dependence on fluid properties and fluid–colloid
                      interactions remain poorly understood. Here, we investigate
                      the behavior of a thermophoretic Janus colloid in its own
                      temperature gradient using numerical simulations. The
                      dissipative particle dynamics method with energy
                      conservation is used to investigate the behavior in
                      non-ideal and ideal-gas like fluids for different
                      fluid–colloid interactions, boundary conditions, and
                      temperature-controlling strategies. The fluid–colloid
                      interactions appear to have a strong effect on the colloid
                      behavior, since they directly affect heat exchange between
                      the colloid surface and the fluid. The simulation results
                      show that a reduction of the heat exchange at the
                      fluid–colloid interface leads to an enhancement of
                      colloid's thermophoretic mobility. The colloid behavior is
                      found to be different in non-ideal and ideal fluids,
                      suggesting that fluid compressibility plays a significant
                      role. The flow field around the colloid surface is found to
                      be dominated by a source-dipole, in agreement with the
                      recent theoretical and simulation predictions. Finally,
                      different temperature-control strategies do not appear to
                      have a strong effect on the colloid's swimming velocity.},
      cin          = {IAS-2 / ICS-2},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IAS-2-20090406 / I:(DE-Juel1)ICS-2-20110106},
      pnm          = {551 - Functional Macromolecules and Complexes (POF3-551)},
      pid          = {G:(DE-HGF)POF3-551},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000359581400018},
      pubmed       = {pmid:26223678},
      doi          = {10.1039/C5SM01364J},
      url          = {https://juser.fz-juelich.de/record/280344},
}