Highly Efficient Xe-129 DNP in the Frozen State via Pellet Formation
Mehrdad Pourfathi 1,2 , Caroline D. Keenan 1 , Nicholas N. Kuzma 1 , Stephen J. Kadlecek 1 , and Rahim R. Rizi 1
Radiology, Universtiy of Pennsylvania,
Philadelphia, PA, United States,
Engineering, Universtiy of Pennsylvania, Philadelphia,
PA, United States
DNP of 129Xe has the potential to be used for clinical
application in MR imaging of the lung parenchyma and
structure. Achieving high polarization values are
paramount to achieving this goal. Here we demonstrate
the utility of pellet formation (on the mm scale) for
substantial gains in DNP efficiency in the solid state.
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