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Suchanek et al., 2005 - Google Patents

Hyperpolarized^ 3He gas production by metastability exchange optical pumping for magnetic resonance imaging

Suchanek et al., 2005

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Document ID
4054066726744362473
Author
Suchanek K
Cieslar K
Olejniczak Z
Palasz T
Suchanek M
Dohnalik T
Publication year
Publication venue
Optica Applicata

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Snippet

A portable 3He gas polarizer based on metastability exchange optical pumping is described. It produces 75 ml of highly polarized 3He gas at the pressure of 100 mbar, by implementing a non-magnetic peristaltic compressor, which transfers the 3He gas from the low-pressure …
Continue reading at www.researchgate.net (PDF) (other versions)

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    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
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    • G01R33/5601—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution involving use of a contrast agent for contrast manipulation, e.g. a paramagnetic, super-paramagnetic, ferromagnetic or hyperpolarised contrast agent
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    • G01R33/282—Means specially adapted for hyperpolarisation or for hyperpolarised contrast agents, e.g. for the generation of hyperpolarised gases using optical pumping cells, for storing hyperpolarised contrast agents or for the determination of the polarisation of a hyperpolarised contrast agent
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    • G01R33/46—NMR spectroscopy
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    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/288—Provisions within MR facilities for enhancing safety during MR, e.g. reduction of the specific absorption rate [SAR], detection of ferromagnetic objects in the scanner room
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    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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    • G01N24/08—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects by using nuclear magnetic resonance

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