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Conference paper

A Robust Cryogenic RF Coil (88K) for In-vivo Hyperpolarized 13C MRI of Rats

By Sanchez, Juan Diego1,2,3; Baron, Rafael Antonio2,3; Hansen, Esben S. Szocska4; Johansen, Daniel Højrup3,5,6; Zhurbenko, Vitaliy1,3,5,6; Laustsen, Christoffer4; Ardenkjær-Larsen, Jan Henrik1,2,3

From

Magnetic Resonance, Department of Health Technology, Technical University of Denmark1

Department of Health Technology, Technical University of Denmark2

Center for Hyperpolarization in Magnetic Resonance, Centers, Technical University of Denmark3

Aarhus University4

Electromagnetic Systems, Department of Electrical Engineering, Technical University of Denmark5

Department of Electrical Engineering, Technical University of Denmark6

We report the performance of a cryogenic RF receive-only coil for 13C imaging of small animals. It is experimentally demonstrated 2-fold SNR improvement in comparison to a room temperature coil in immediate vicinity of the sample. The self-developed cryostat employed for coil cooling shows thermal stability within 5 h of use for 6 L of LN2 , which can be extended up to 12 h if more LN is added.

The Q88K /Q290K ratio of the unloaded coil is 550/285

Language: English
Year: 2019
Proceedings: ISMRM 27th Annual Meeting & Exhibition
Types: Conference paper
ORCIDs: Sanchez, Juan Diego , Johansen, Daniel Højrup , Zhurbenko, Vitaliy and Ardenkjær-Larsen, Jan Henrik

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