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Dual interleaved 1 H and proton‐decoupled‐ 31 P in Vivo chemical shift imaging of human brain
Author(s) -
Gonen Oded,
Hu Jiani,
MurphyBoesch Joseph,
Stoyanova Radka,
Brown Truman R.
Publication year - 1994
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.1910320114
Subject(s) - proton , nuclear magnetic resonance , in vivo , electromagnetic coil , relaxation (psychology) , radiofrequency coil , spectral line , proton magnetic resonance , chemistry , physics , nuclear medicine , nuclear physics , medicine , microbiology and biotechnology , quantum mechanics , astronomy , biology
A technique is demonstrated to obtain interleaved proton ( 1 H) and 1 H‐decoupled phosphorus ( 31 P) spectra of human brain using 2D CSI. A modified commercial full‐body imager and a dual‐tuned birdcage head‐coil were employed. Because proton relaxation times are shorter than those of phosphorus, TR ( 1 H) can be chosen to be shorter than TR ( 31 P), thus permitting a 1 H acquisition to be inserted in each 31 P cycle. The scheme results in significant time savings as both CSI data sets are obtained concurrently with patient loading, coil tuningi, shimming, and imaging needed to be done only once.