Title:
METHOD OF SELECTIVE EXCITATION FOR IMPROVING CONTRAST IN MAGNETIC RESONANCE IMAGING
Document Type and Number:
WIPO Patent Application WO2002052283
Kind Code:
A3
Abstract:
A method of magnetic resonance analysis of at least one type of molecules present in a solvent, the method comprises (a) applying a first radiofrequency pulse sequence selected so as to initially select a coherence of an order n for the at least one type of molecules in the solvent, wherein n is zero, a positive or a negative integer other than +/-1, and thereafter to select an exclusive excitation of the at least one type of molecules in the solvent; (b) measuring at least one magnetic resonance parameter of the solvent; and (c) using the at least one magnetic resonance parameter of the solvent for calculating at least one magnetic resonance parameter of the at least one molecule.
Inventors:
ELIAV UZI (IL)
NAVON GIL (IL)
NEUFELD ARNON (IL)
NAVON GIL (IL)
NEUFELD ARNON (IL)
Application Number:
PCT/IL2001/001064
Publication Date:
December 19, 2002
Filing Date:
November 19, 2001
Export Citation:
Assignee:
UNIV RAMOT (IL)
ELIAV UZI (IL)
NAVON GIL (IL)
NEUFELD ARNON (IL)
ELIAV UZI (IL)
NAVON GIL (IL)
NEUFELD ARNON (IL)
International Classes:
G01R33/46; G01R33/465; (IPC1-7): G01N24/00
Other References:
ELIAV, U. ET AL.: "A study of dipolar interactions and dynamic processes of water molecules in tendon 1H and 2H homonuclear and heteronuclear multiple-quantum-filtered NMR spectroscopy", J. MAGN. RESON., vol. 137, 1999, pages 295 - 310, XP002953629
LEI, H.: "The effects of slice-selective excitation/refocusing in localized spectral editing with gradient-selected double-quantum coherence transfer", J. MAGN. RESON., vol. 150, 2001, pages 17 - 25, XP002953627
MERBOLDT, K.: "Self diffusion NMR imaging using stimulated echoes", J. MAGN. RESON., vol. 64, no. 3, 1985, pages 479 - 486, XP002953655
SALUSTRI, C.: "Lack of magnetization transfer from the ferritin molecule", J. MAGN. RESON., SER. B, vol. 111, no. 2, 1996, pages 171 - 173, XP002953628
MARECI, T.: "Tip-angle-reduced T1 imaging", J. MAGN. RESON., vol. 67, no. 1, 1986, pages 55 - 65, XP002953656
LEI, H.: "The effects of slice-selective excitation/refocusing in localized spectral editing with gradient-selected double-quantum coherence transfer", J. MAGN. RESON., vol. 150, 2001, pages 17 - 25, XP002953627
MERBOLDT, K.: "Self diffusion NMR imaging using stimulated echoes", J. MAGN. RESON., vol. 64, no. 3, 1985, pages 479 - 486, XP002953655
SALUSTRI, C.: "Lack of magnetization transfer from the ferritin molecule", J. MAGN. RESON., SER. B, vol. 111, no. 2, 1996, pages 171 - 173, XP002953628
MARECI, T.: "Tip-angle-reduced T1 imaging", J. MAGN. RESON., vol. 67, no. 1, 1986, pages 55 - 65, XP002953656
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