Electricity: measuring and testing – Particle precession resonance
Patent
1981-07-02
1983-11-01
Tokar, Michael J.
Electricity: measuring and testing
Particle precession resonance
324309, G01R 3308
Patent
active
044132336
ABSTRACT:
Apparatus and method for dynamically measuring a chemical entity in living biological tissue having a physical characteristic capable of fluctuation, the apparatus including an NMR pulse spectrometer capable of providing an observation pulse for instantaneously measuring the spectrum of the chemical entity in the tissue, sensing means for sensing the physical characteristic and providing an output signal, and triggering means responsive to the sensing means output signal and connected to the spectrometer for triggering the spectrometer to produce the observation pulse at a selected point in the course of the fluctuation of the physical characteristic of the tissue.
REFERENCES:
patent: 3911905 (1975-10-01), Rossel
Jacobus et al. (1977), Nature 265, 756.
Mansfield, "Short Communications Human Whole Body Line-Scan Imaging by NMR", British Journal of Radiology, 51, No. 611, Nov. 1978, pp. 921-922.
Hutchison, "Electron Spin Resonance Spectrometry on the Whole Mouse in Vivo: a 100 MHz Spectrometer", J Physe E (G.B.), vol. 4, No. 3, Mar. 1971, pp. 237-239.
Fossel Eric T.
Ingwall Joanne S.
President and Fellows of Harvard College
Tokar Michael J.
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