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Abstract #3808

Setup of a cryogen-free DNP polarizer in a preclinical imaging lab 

Arianna Ferrari1, Josh Philipp Peters1, Mariia Anikeeva1, Frowin Ellermann1, Andrey Pravdivtsev1, Kolja Them1, and Jan-Bernd Hövener1,2
1SBMI Rad. UKSH, Kiel, Germany, 2Emmy Noether Group Molecular and Metabolic MRI - M3, Freiburg, Germany

The setup of a cryogen-free device for dissolution dynamic nuclear polarization (dDNP) in an imaging facility is described. Fully automated procedures were used to calibrate the system and to perform hyperpolarization of pyruvic acid. Polarizations exceeding 30 % were achieved routinely within an experiment duration of less than an hour. Pitfalls are discussed and solutions proposed.

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