Hyperpolarized 3He gas production for magnetic resonance imaging

• Autorzy: Suchanek K. , Cieślar K. , Olejniczak Z. , Pałasz T. , Suchanek M. , Dohnalik T.
• Języki publikacji: EN

Abstrakty

EN

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 optical pumping cell to the storage cell. About 30% polarization at 1 mbar is achieved in the optical pumping cell in a single run, and 20 compression cycles are needed to reach the final pressure in the storage cell. After adding a buffer gas up to the atmospheric pressure, the mixture is used in magnetic resonance imaging (MRI) experiments. Preliminary images of phantoms and of the rat lungs in vivo confirm the usefulness of the 3He gas polarizer in MRI applications.

Słowa kluczowe

EN

hyperpolarized 3He; lung imaging; low-field MRI

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Optica Applicata
• Rocznik: 2005
• Tom: Vol. 35, nr 2
• Strony: 263--276
• Opis fizyczny: Bibliogr. 22 poz., il., wykr.

Twórcy

autor

Suchanek K.

• Institute of Physics, Jagiellonian University, Reymonta 4, 30-059 Krakow, Poland

autor

Cieślar K.

• Institute of Physics, Jagiellonian University, Reymonta 4, 30-059 Krakow, Poland

autor

Olejniczak Z.

• Institute of Nuclear Physics, Polish Academy of Sciences, Radzikowskiego 152, 31-342 Kraków, Poland

autor

Pałasz T.

• Institute of Physics, Jagiellonian University, Reymonta 4, 30-059 Krakow, Poland

autor

Suchanek M.

• Institute of Physics, Jagiellonian University, Reymonta 4, 30-059 Krakow, Poland

autor

Dohnalik T.

• Institute of Physics, Jagiellonian University, Reymonta 4, 30-059 Krakow, Poland

Bibliografia

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