Inhibition of pulmonary surfactant by oleic acid: mechanisms and characteristics.


The inhibitory effects of oleic acid (OA) on the surface activity of pulmonary surfactant were characterized by use of the oscillating bubble surfactometer, the Wilhelmy balance, and excised rat lungs. Oscillating bubble studies showed that OA prevented lavaged calf surfactant [0.5 mM phospholipid (PL)] from lowering surface tension below 15 mN/m at or… (More)


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