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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