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@ARTICLE{Chen:820381,
      author       = {Chen, La and Maybeck, Vanessa and Offenhäusser, Andreas
                      and Krause, Hans-Joachim},
      title        = {{I}mplementation and application of a novel 2{D} magnetic
                      twisting cytometry based on multi-pole elctromagnet},
      journal      = {Review of scientific instruments},
      volume       = {87},
      number       = {6},
      issn         = {1089-7623},
      address      = {[S.l.]},
      publisher    = {American Institute of Physics},
      reportid     = {FZJ-2016-05712},
      pages        = {064301 -},
      year         = {2016},
      abstract     = {We implemented a novel 2D magnetic twisting cytometry (MTC)
                      based on a previously reported multi-pole high permeability
                      electromagnet, in which both the strength and direction of
                      the twisting field can be controlled. Thanks to the high
                      performance twisting electromagnet and the heterodyning
                      technology, the measurement frequency has been extended to
                      the 1 kHz range. In order to obtain high remanence of the
                      ferromagnetic beads, a separate electromagnet with feedback
                      control was adopted for the high magnetic field
                      polarization. Our setup constitutes the first instrument
                      which can be operated both in MTC mode and in magnetic
                      tweezers (MT) mode. In this work, the mechanical properties
                      of HL-1 cardiomyocytes were characterized in MTC mode. Both
                      anisotropy and log-normal distribution of cell stiffness
                      were observed, which agree with our previous results
                      measured in MT mode. The response from these living cells at
                      different frequencies can be fitted very well by the soft
                      glassy rheology model.},
      cin          = {ICS-8},
      ddc          = {530},
      cid          = {I:(DE-Juel1)ICS-8-20110106},
      pnm          = {552 - Engineering Cell Function (POF3-552)},
      pid          = {G:(DE-HGF)POF3-552},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000379177000059},
      doi          = {10.1063/1.4954185},
      url          = {https://juser.fz-juelich.de/record/820381},
}