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. 1983 Mar;41(3):283–286. doi: 10.1016/S0006-3495(83)84439-7

Concentration of oxygen in lipid bilayers using a spin-label method.

W K Subczynski, J S Hyde
PMCID: PMC1329181  PMID: 6301572

Abstract

The concentration of oxygen in the hydrocarbon region of lipid bilayer has been determined using a novel electron spin resonance (ESR) nitroxide-radical spin-probe method. For dimyristoylphosphatidylcholine (DMPC), the partition coefficient above the main transition temperature is approximately 3. Rapid decrease to 0.2 occurs below the pretransition temperature indicating exclusion of oxygen in the crystalline phase. The differences of molar free energy, enthalpy, and entropy of mixing between water and lipid have been determined for each phase.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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