A membrane bending model of outer hair cell electromotility.

  title={A membrane bending model of outer hair cell electromotility.},
  author={Robert M. Raphael and Aleksander S. Popel and William E. Brownell},
  journal={Biophysical journal},
  volume={78 6},
We propose a new mechanism for outer hair cell electromotility based on electrically induced localized changes in the curvature of the plasma membrane (flexoelectricity). Electromechanical coupling in the cell's lateral wall is modeled in terms of linear constitutive equations for a flexoelectric membrane and then extended to nonlinear coupling based on the Langevin function. The Langevin function, which describes the fraction of dipoles aligned with an applied electric field, is shown to be… CONTINUE READING
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