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Scanning electron microscopy of normoxic and hyperoxic hyperbaric exposed lungs
pulmonary guinea pig animal
2009/7/20
Lungs from adult guinea pigs exposed to 1 ATA He-O2 with 200 mm Hg PO2 and 20 ATA He-O2 with 200, 400, and 600 mm Hg PO2 were studied with scanning electron microscopy. The appearance of normal alveol...
Effect of prolonged exposure to 0.5% CO2 on kidney calcification and ultrastructure of lungs
air animal guinea pig
2009/7/17
Guinea pigs were exposed for up to 8 weeks to 0.5% CO2, 21% O2, and balance N2. Control groups of the same age were kept simultaneously in environmental chambers on air. A slight increase in PaCO2 and...
Methods for liquid filling inflated lungs and measuring any retained gas
liquid filling lungs volume
2009/7/16
A method is described for liquid filling lungs without collapse by ventilating them on CO2 and then absorbing this gas with isotonic Tris buffer solution. The gas retained in each of 16 liquid-filled ...
Phospholipid synthesis in isolated perfused lungs of rats made tolerant to 100% oxygen
pulmonary Phospholipid synthesis lung oxygen animal rat
2009/7/16
Tolerance to 100percent oxygen is readily induced in the rat by prior exposure to 80percent oxygen for 7 days. In order to determine whether the rate of synthesis, or te alveolar content, of pulmonary...
Barotrauma susceptibility in hamster lungs following elastase exposure
Barotrauma Lung Compliance Respiratory animal hamster
2009/7/16
The hypothesis that reduced lung compliance increases barotrauma susceptibility was tested in isolated hamster lungs. Elastase, instilled intratracheally in some hamsters from 4 h up to 8 days prior t...