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@ARTICLE{Chen:203229,
      author       = {Chen, La and Maybeck, Vanessa and Offenhäusser, Andreas
                      and Krause, Hans-Joachim},
      title        = {{C}haracterization of the mechanical properties of {HL}-1
                      cardiomyocytes with high throughput magnetic tweezers},
      journal      = {Applied physics letters},
      volume       = {107},
      number       = {5},
      issn         = {1077-3118},
      address      = {Melville, NY},
      publisher    = {American Inst. of Physics},
      reportid     = {FZJ-2015-05215},
      pages        = {053703 -},
      year         = {2015},
      abstract     = {We characterized the mechanical properties of
                      cardiomyocyte-like HL-1 cells using our recently developed
                      multi-pole magnetic tweezers. With the optimized design,
                      both high force and high throughput are achieved at the same
                      time. Force up to 100 pN can be applied on a 1 μm
                      diameter superparamagnetic bead in a workspace with 60 μm
                      radius, which is encircled symmetrically by 3 sharp magnetic
                      tips. By adjusting the coil currents, both the strength and
                      direction of force can be controlled. The result shows that
                      both viscosity and shear elastic modulus of HL-1 cells
                      exhibit an approximately log-normal distribution. The cells
                      became stiffer as they matured, consistent with a transition
                      from proliferating cells to contractile muscle tissue.
                      Moreover, the mechanical properties of HL-1 cells show high
                      heterogeneity, which agrees well with their physiological
                      structure.},
      cin          = {PGI-8 / ICS-8 / JARA-FIT},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-8-20110106 / I:(DE-Juel1)ICS-8-20110106 /
                      $I:(DE-82)080009_20140620$},
      pnm          = {552 - Engineering Cell Function (POF3-552) / 553 - Physical
                      Basis of Diseases (POF3-553)},
      pid          = {G:(DE-HGF)POF3-552 / G:(DE-HGF)POF3-553},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000359375700048},
      doi          = {10.1063/1.4928322},
      url          = {https://juser.fz-juelich.de/record/203229},
}