Localization of unaffected spins in NMR imaging and spectroscopy (LOCUS spectroscopy) | Zendy

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Localization of unaffected spins in NMR imaging and spectroscopy (LOCUS spectroscopy)

Author(s) -

Haase Axel

Publication year - 1986

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.1910030619

Subject(s) - spins , spectroscopy , nuclear magnetic resonance , locus (genetics) , excitation , nuclear magnetic resonance spectroscopy , pulse sequence , spectral line , chemistry , physics , condensed matter physics , gene , biochemistry , quantum mechanics , astronomy

A new method for the localization of NMR spectra in vivo is presented. Herein a series of selective 90° pulses with different carrier frequencies in the presence of magnetic field gradients is saturating spins of unwanted regions. Only spins in the region of interest are left unaffected. The LOCUS ( loc alization of u naffected s pins) spectrum of this region is measured by a single 90° excitation pulse. The FLASH imaging sequence combined with the LOCUS technique allows the identification of the region of interest. © 1986 Academic Press, Inc.

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