Method of electron spin resonance enhanced MRI

Details Method of electron spin resonance enhanced MRI Method of electron spin resonance enhanced MRI

1991-11-08

1994-02-22

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

324316, G01R 3320

Patent

active

052891259

ABSTRACT:
A method of electron spin resonance enhanced magnetic resonance imaging of a paramagnetic substance-containing sample wherein an image of at least part of the sample is generated from a data set produced by manipulation of enhanced free induction decay signals detected under at least two different sets of operational parameters. The operating parameters which are varied to produce the different sets include the timing of the exposure of the sample to magnetic field gradients and spin resonance stimulating radiations and, optionally, also the amplitude and frequency distribution of the electron spin resonance stimulating radiations. The manipulation of the detected signals produces, for individual image elements, a normalized signal representative of the difference between signals for that element under the different sets of operational parameters.

REFERENCES:
patent: 4620154 (1986-10-01), Inouye
patent: 4719425 (1988-01-01), Ettinger
patent: 5144238 (1992-09-01), Ehnholm
patent: 5154603 (1992-10-01), Sepponen

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