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Title: Remote NMR/MRI detection of laser polarized gases

Abstract

An apparatus and method for remote NMR/MRI spectroscopy having an encoding coil with a sample chamber, a supply of signal carriers, preferably hyperpolarized xenon and a detector allowing the spatial and temporal separation of signal preparation and signal detection steps. This separation allows the physical conditions and methods of the encoding and detection steps to be optimized independently. The encoding of the carrier molecules may take place in a high or a low magnetic field and conventional NMR pulse sequences can be split between encoding and detection steps. In one embodiment, the detector is a high magnetic field NMR apparatus. In another embodiment, the detector is a superconducting quantum interference device. A further embodiment uses optical detection of Rb--Xe spin exchange. Another embodiment uses an optical magnetometer using non-linear Faraday rotation. Concentration of the signal carriers in the detector can greatly improve the signal to noise ratio.

Inventors:
; ; ; ; ; ; ;
Issue Date:
Research Org.:
Univ. of California, Oakland, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1175791
Patent Number(s):
7061237
Application Number:
10/268,922
Assignee:
The Regents of the University of California (Oakland, CA)
Patent Classifications (CPCs):
A - HUMAN NECESSITIES A61 - MEDICAL OR VETERINARY SCIENCE A61K - PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
G - PHYSICS G01 - MEASURING G01R - MEASURING ELECTRIC VARIABLES
DOE Contract Number:  
AC0376F00098
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION

Citation Formats

Pines, Alexander, Saxena, Sunil, Moule, Adam, Spence, Megan, Seeley, Juliette A., Pierce, Kimberly L., Han, Song-I, and Granwehr, Josef. Remote NMR/MRI detection of laser polarized gases. United States: N. p., 2006. Web.
Pines, Alexander, Saxena, Sunil, Moule, Adam, Spence, Megan, Seeley, Juliette A., Pierce, Kimberly L., Han, Song-I, & Granwehr, Josef. Remote NMR/MRI detection of laser polarized gases. United States.
Pines, Alexander, Saxena, Sunil, Moule, Adam, Spence, Megan, Seeley, Juliette A., Pierce, Kimberly L., Han, Song-I, and Granwehr, Josef. Tue . "Remote NMR/MRI detection of laser polarized gases". United States. https://www.osti.gov/servlets/purl/1175791.
@article{osti_1175791,
title = {Remote NMR/MRI detection of laser polarized gases},
author = {Pines, Alexander and Saxena, Sunil and Moule, Adam and Spence, Megan and Seeley, Juliette A. and Pierce, Kimberly L. and Han, Song-I and Granwehr, Josef},
abstractNote = {An apparatus and method for remote NMR/MRI spectroscopy having an encoding coil with a sample chamber, a supply of signal carriers, preferably hyperpolarized xenon and a detector allowing the spatial and temporal separation of signal preparation and signal detection steps. This separation allows the physical conditions and methods of the encoding and detection steps to be optimized independently. The encoding of the carrier molecules may take place in a high or a low magnetic field and conventional NMR pulse sequences can be split between encoding and detection steps. In one embodiment, the detector is a high magnetic field NMR apparatus. In another embodiment, the detector is a superconducting quantum interference device. A further embodiment uses optical detection of Rb--Xe spin exchange. Another embodiment uses an optical magnetometer using non-linear Faraday rotation. Concentration of the signal carriers in the detector can greatly improve the signal to noise ratio.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Jun 13 00:00:00 EDT 2006},
month = {Tue Jun 13 00:00:00 EDT 2006}
}

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