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Science 19 August 1966:
Vol. 153. no. 3738, pp. 885 - 887
DOI: 10.1126/science.153.3738.885
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Articles

Blood Gases: Continuous in vivo Recording of Partial Pressures by Mass Spectrography

Sabbo Woldring 1, Guy Owens 1, and Donald C. Woolford 1

1 Department of Neurosurgery, Roswell Park Memorial Institute, Buffalo, New York 14203

Gases were sampled directly from circulating blood through a membrane at the tip of an intravascular cannula that was connected to the analyzing section of a mass spectrometer. Partial gas pressures and membrane permeability determine gas flow into the spectrometer. Arterial carbon dioxide and oxygen pressures were simultaneously recorded in an anesthetized animal subjected to various respiratory maneuvers.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)