Gradient enhanced NMR correlation spectroscopy

Details Gradient enhanced NMR correlation spectroscopy Gradient enhanced NMR correlation spectroscopy

1990-06-07

1991-12-31

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

324322, G01R 3320

Patent

active

050775243

ABSTRACT:
A method for obtaining high resolution NMR spectra without the need for phase cycling includes the application of magnetic field gradient pulses to select specific coherences. By using actively shielded gradients, a gradient pulse is applied during the evolution period of the selected coherence to dephase the transverse magnetization and another gradient pulse refocuses the desired coherences remaining during the acquisition period.

REFERENCES:
patent: 4698592 (1987-10-01), Feinberg
patent: 4737716 (1988-04-01), Roemer et al.
patent: 4825159 (1989-04-01), Oppelt et al.
patent: 4833411 (1989-05-01), McDonald et al.
patent: 4893081 (1990-01-01), Zur
patent: 4970465 (1990-11-01), Hagiwara
patent: 4978920 (1990-12-01), Mansfield, et al.
"Separation of the Different Orders of NMR Multiple-Quantum Transitions by the Use of Pulsed Field Gradients;", by A. Bax et al., CHEMICAL PHYSICS LETTERS, Feb. 1, 1980, vol. 69, No. 3, pp. 567-570.

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