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Abstract #2790

From Minutes to Hours: Extending the T1 of Xe-129 DNP in the Solid-State

Caroline D. Keenan 1 , Mehrdad Pourfathi 1 , Nicholas N. Kuzma 1 , Stephen J. Kadlecek 1 , and Rahim Rizi 1

1 Radiology, University of Pennsylvania, Philadelphia, Pennsylvania, United States

Recent advancements in the production of hyperpolarized gases via solid-state DNP methods offer an attractive alternative for in-vivo lung magnetic resonance imaging. On evaluating the effect of the sample composition on the Xe-129 DNP time constants we find that simple reductions in the radical concentration leads to significant gains.

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