Unusual effect of Ru complexes on the permeation of carbon monoxide and oxygen gas mixture through polycarbonate membrane

1997 ◽  
Vol 34 (1) ◽  
pp. 1-4 ◽  
Author(s):  
Il-Wun Shim ◽  
Won-Suk Oh ◽  
Dong-Kyeog Seo
Keyword(s):  
Carbon Monoxide ◽  
Gas Mixture ◽  
Polycarbonate Membrane ◽  
Unusual Effect ◽  
Ru Complexes ◽  
Oxygen Gas

The Condition of the Rat Myocardium and Isolated Sheep Heart after Prolonged 24-Hour Hypothermic Preservation in a Pressurized Carbon Monoxide–Oxygen Gas Mixture

BIOPHYSICS ◽  
2020 ◽  
Vol 65 (4) ◽  
pp. 666-675
Author(s):  
E. E. Fesenko ◽  
E. L. Gagarinsky ◽  
A. S. Averin ◽  
N. V. Grudinin ◽  
A. E. Gurin ◽  
...  
Keyword(s):  
Carbon Monoxide ◽  
Gas Mixture ◽  
Rat Myocardium ◽  
Hypothermic Preservation ◽  
Oxygen Gas

Preparation of hydrophobic flat sheet membranes from PVDF-HFP copolymer for enhancing the oxygen permeance in nitrogen/oxygen gas mixture

2020 ◽  
Vol 28 (6) ◽  
pp. 1566-1581
Author(s):  
Bahador Akbari ◽  
Asghar Lashanizadegan ◽  
Parviz Darvishi ◽  
Abdolrasoul Pouranfard
Keyword(s):  
Gas Mixture ◽  
Flat Sheet ◽  
Oxygen Gas

Competitive inhibition of carbon monoxide transport: evidence against a carrier

1981 ◽  
Vol 50 (5) ◽  
pp. 1061-1064 ◽  
Author(s):  
D. Z. Rubin ◽  
D. Fujino ◽  
C. Mittman ◽  
S. M. Lewis
Keyword(s):  
Carbon Monoxide ◽  
Competitive Inhibition ◽  
Normal Adult ◽  
Gas Mixture ◽  
Diffusing Capacity ◽  
Constant Amount ◽  
Pulmonary Diffusing Capacity ◽  
Co Concentration ◽  
Carrier Molecule ◽  
Co Concentrations

The existence of a saturable carbon monoxide (CO) carrier in the lung remains controversial. The carrier hypothesis was invoked to explain data that indicated that pulmonary diffusing capacity for CO (DLCO) decreases with increasing CO concentration. To test this hypothesis, we measured DLCO in 14 normal adult subjects at three alveolar CO concentrations (60, 660, and 2,060 ppm). Each mixture contained a constant amount of labeled C18O (60 ppm) and a balance of unlabeled C16O. If a saturable carrier exists at increasing CO concentrations, the unlabeled CO would compete for most of the sites on the carrier molecule, effectively inhibiting the uptake of the labeled C18O. C18O diffusing capacities (mean +/- SD) for the three levels of CO were 34.9 +/- 5.6, 33.0 +/- 6.0, and 34.7 +/- 7.8. There were no significant differences (P greater than 0.2) among the three levels. In another group of subjects we repeated the study using a gas mixture containing 130 ppm C18O. No significant differences were found. As a result, we find no evidence to support a CO carrier hypothesis.

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