Mechanical plasticity of cells.

  title={Mechanical plasticity of cells.},
  author={Navid Bonakdar and Richard Gerum and Michael Kuhn and Marina Sp{\"o}rrer and Anna Lippert and Werner Schneider and Katerina E. Aifantis and Ben Fabry},
  journal={Nature materials},
  volume={15 10},
Under mechanical loading, most living cells show a viscoelastic deformation that follows a power law in time. After removal of the mechanical load, the cell shape recovers only incompletely to its original undeformed configuration. Here, we show that incomplete shape recovery is due to an additive plastic deformation that displays the same power-law dynamics as the fully reversible viscoelastic deformation response. Moreover, the plastic deformation is a constant fraction of the total cell… CONTINUE READING

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