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A double‐tuned probe for metabolic NMR studies
Author(s) -
Najim Elhadi,
Grivet JeanPhilippe
Publication year - 1992
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.1910230216
Subject(s) - electromagnetic coil , homogeneity (statistics) , nuclear magnetic resonance , materials science , magnet , decoupling (probability) , capacitance , foil method , analytical chemistry (journal) , chemistry , physics , electrode , statistics , mathematics , quantum mechanics , control engineering , engineering , chromatography , composite material
A double‐tuned single coil probe for high field metabolic NMR studies has been designed and tested. The resonant coil is a single‐turn of copper foil wound on a quartz cylinder. It is fed by a short length of parallel strip line made of the same material; the feeder is also used as a tuning capacitance. Electrical parameters (quality factors, efficiencies at proton and carbon frequencies) and magnetic resonance data (90° pulse lengths, minimum decoupler power) for lossy samples have been measured. The probe allows for the optimal use of the limited high homogeneity region of a vertical magnet. It shows good sensitivity and efficient decoupling. © 1992 Academic Press, Inc.

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