Endothermic force generation in skinned cardiac muscle from rat

  title={Endothermic force generation in skinned cardiac muscle from rat},
  author={Kemachandra Ranatunga},
  journal={Journal of Muscle Research & Cell Motility},
Isometric tension responses to rapid temperature jumps (T-jumps) of 2–6°C were examined in skinned muscle fibre bundles isolated from papillary muscles of the rat heart. T-jumps were induced by an infra-red laser pulse (wave length 1.32 μm, pulse duration 0.2 ms) obtained from a Nd-YAG laser, which heated the fibres and bathing buffer solution in a 50 μl trough; the increased temperature by laser pulse was clamped at the high temperature by a Peltier system (see Ranatunga, 1996). In maximally… CONTINUE READING
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