Laser interferometer measurements of the viscoelastic properties of tectorial membrane mutants

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Abstract

The visco-elastic properties of the tectorial membrane (TM) can be determined by measuring the propagation velocity of travelling waves over a range of frequencies. This study presents a new method using laser interferometry and compares the TM's material properties (sheer storage modulus, G and viscosity, η) at basal and apical locations in wild-type mice and basal locations of three mutant groups (Tecta Y1870C/+ , Tectb -/- and Otoa -/- ). The G and η values calculated for the wild-type mice are similar to estimates derived using other methods whereas the mutant groups all exhibit slower wave propagation velocities and reduced longitudinal coupling.

Original languageEnglish
Title of host publicationWhat Fire is in Mine Ears
Subtitle of host publicationProgress in Auditory Biomechanics - Proceedings of the 11th International Mechanics of Hearing Workshop
Pages419-420
Number of pages2
DOIs
Publication statusPublished - 12 Dec 2011
Event11th International Mechanics of Hearing Workshop - What Fire is in Mine Ears: Progress in Auditory Biomechanics - Williamstown, MA, United States
Duration: 16 Jul 201122 Jul 2011

Publication series

NameAIP Conference Proceedings
Volume1403
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Workshop

Workshop11th International Mechanics of Hearing Workshop - What Fire is in Mine Ears: Progress in Auditory Biomechanics
CountryUnited States
CityWilliamstown, MA
Period16/07/1122/07/11

Keywords

  • α-tectorin
  • β-tectorin
  • longitudinal coupling
  • otoancorin
  • tectorial membrane

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  • Cite this

    Jones, G., Russell, I., & Lukashkin, A. (2011). Laser interferometer measurements of the viscoelastic properties of tectorial membrane mutants. In What Fire is in Mine Ears: Progress in Auditory Biomechanics - Proceedings of the 11th International Mechanics of Hearing Workshop (pp. 419-420). (AIP Conference Proceedings; Vol. 1403). https://doi.org/10.1063/1.3658122