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Echo acquisition during frequency‐selective pulse trains for proton spectroscopy of metabolites in vivo
Author(s) -
Meyer Ronald A.
Publication year - 1987
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.1910040311
Subject(s) - nuclear magnetic resonance , echo (communications protocol) , pulse (music) , in vivo , proton , spectroscopy , phase (matter) , amplitude , spectrometer , chemistry , pulse sequence , analytical chemistry (journal) , data acquisition , spin echo , physics , optics , magnetic resonance imaging , computer science , nuclear physics , medicine , chromatography , computer network , detector , biology , operating system , radiology , microbiology and biotechnology , organic chemistry , quantum mechanics
Suppression of water and fat in proton spectra of rat skeletal muscle was achieved by acquisition of the spin echoes formed in the steady state after a series of frequency‐selective composite pulses of constant amplitude, phase, and interpulse interval. The method enables observation of lactate in the presence of fat without resorting to difference spectroscopy, and on spectrometers which permit data acquisition immediately prior to a pulse, enables much faster data accumulation compared to standard echo sequences. © 1987 Academic Press, Inc.