Spectral editing techniques for31p NMR spectroscopy of blood

Abstract
Although the measurement of the pH of biological systems using the 31P NMR response of inorganic phosphate is well known, sometimes in blood absolute determination of the intensity and position ofthe Pi resonance is precluded by overlap from the doublet resonance of 2,3‐diphosphoglycerate. Three techniques which overcome this problem by eliminating the doublet are described and their sensitivity to the experimental parameters is assessed. © 1989 Academic Press, Inc.

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