An investigation of pulmonary surfactant physicochemical behavior under airway reopening conditions.

  title={An investigation of pulmonary surfactant physicochemical behavior under airway reopening conditions.},
  author={Samir N Ghadiali and D. P. Gaver},
  journal={Journal of applied physiology},
  volume={88 2},
Airway reopening mechanics depend on surfactant physicochemical properties. During reopening, the progression of a finger of air down an airway creates an interface that is continually expanding into the bulk fluid. Conventional surfactometers are not capable of evaluating physicochemical behavior under these conditions. To study these aspects, we investigated the pressure required to push a semi-infinite bubble of air down a fluid-filled cylindrical capillary of radius R. The ionic surfactant… CONTINUE READING
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