F− added to an erythrocyte suspension shows two separated resonances arisen from intra and extracellular compartments. Cu, Zn superoxide dismutase dominates the longitudinal relaxation rate of the intracellular F− resonance, while diamagnetic interactions with hemoglobin contribute mainly to the transversal relaxation rate.
19F NMR study of the interactions of fluoride with superoxide dismutase and hemoglobin in erythrocytes
VIANELLO, FABIO;
1991
Abstract
F− added to an erythrocyte suspension shows two separated resonances arisen from intra and extracellular compartments. Cu, Zn superoxide dismutase dominates the longitudinal relaxation rate of the intracellular F− resonance, while diamagnetic interactions with hemoglobin contribute mainly to the transversal relaxation rate.
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