3-Fold SNR Enhancement of Small Animal 13C MRI using a Cryogenically Cooled (88 K) RF Coil

Juan Diego Sanchez, Daniel Højrup Johansen, Rafael Antonio Baron, Matthias Schneider, Gabriele Spörl, Jarek Wosik, Vitaliy Zhurbenko, Jan Henrik Ardenkjær-Larsen

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    Abstract

    SNR in hyperpolarized 13C MRI is often limited by the low sensitivity of the receive RF chain at the low Larmor frequency of 13C. In this study we present an RF transparent (non-metallic) cryostat designed for small animal imaging, which allows a coil temperature of 88 K, with a coil-to-sample distance below 3 mm. Performance of the cryostat equipped with a 30 x 40 mm2 13C surface coil (3 T, 32 MHz) was tested and 3-fold SNR gain over room temperature coil was achieved.
    Original languageEnglish
    Publication date2018
    Number of pages2
    Publication statusPublished - 2018
    EventJoint Annual Meeting ISMRM-ESMRMB 2018 - Paris Expo Porte de Versailles, Paris, France
    Duration: 16 Jun 201821 Jun 2018
    https://www.ismrm.org/18m/

    Conference

    ConferenceJoint Annual Meeting ISMRM-ESMRMB 2018
    LocationParis Expo Porte de Versailles
    Country/TerritoryFrance
    CityParis
    Period16/06/201821/06/2018
    Internet address

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