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Passive cooperative behavior in striated acto-myosin systems

Presented by: 
L Truskinovsky École Polytechnique
Date: 
Thursday 27th June 2013 - 11:00 to 11:45
Venue: 
INI Seminar Room 1
Abstract: 
Passive mechanical response of skeletal muscles at fast time scales is dominated by long range interactions inducing cooperative behavior without breaking the detailed balance. This leads to such unusual 'material properties' as negative equilibrium stiffness and different behavior in force and displacement controlled loading conditions. Careful fitting of experimental data suggests that 'muscle material' is finely tuned to perform close to a critical point.
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University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons