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TENSION GRADIENTS ACCOMPANYING ACCELERATED OXYGEN TRANSPORT IN A MEMBRANE.

Authors
  • SCHOLANDER, P F
Type
Published Article
Journal
Science (New York, N.Y.)
Publication Date
Aug 20, 1965
Volume
149
Issue
3686
Pages
876–877
Identifiers
PMID: 14332851
Source
Medline
Keywords
License
Unknown

Abstract

Facilitated transport of oxygen through hemoglobin has been studied by use of a membrane sandwich of hemoglobin, Teflon, and water. Transport is enhanced only when there is a hemoglobin-bound-0(2) gradient in the pigment. When passing through a fully oxygenated layer, the accelerated transport is carried by an increased diffusion gradient of oxygen pressure through the solvent. The results substantiate experimentally the diffusion gradients proposed by Zilversmit.

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