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In vivo nuclear overhauser effect in 31 P‐ { 1 H} double‐resonance experiments in a 1.5‐T whole‐body MR system
Author(s) -
BachertBaumann P.,
Ermark F.,
Zabel H.J.,
Sauter R.,
Semmler W.,
Lorenz W. J.
Publication year - 1990
Publication title -
magnetic resonance in medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.696
H-Index - 225
eISSN - 1522-2594
pISSN - 0740-3194
DOI - 10.1002/mrm.1910150119
Subject(s) - nuclear overhauser effect , phosphocreatine , nuclear magnetic resonance , hyperpolarization (physics) , chemistry , spins , in vivo , j coupling , proton , nuclear magnetic resonance spectroscopy , physics , medicine , nuclear physics , biology , energy metabolism , microbiology and biotechnology , condensed matter physics
In 31 P‐ { 1 H} MR experiments of humans in a 1.5‐T whole‐body system, signal intensity enhancements of 1 P resonances of up to 68 ± 4% (for phosphocreatine of the calf muscle) have been observed upon irradiation at proton frequency. This observation is explained as a nuclear Overhauser effect due to the dipolar coupling between 1 H and 1 P spins. © 1990 Academic Press, Inc.