Dissolution DNP polarizers are expensive, technically demanding and require trained personnel. At the same time, hyperpolarized MR tracers have a half-life short enough to need the polarizer to be placed as close as possible to the MRI scanner. Similarly to PET tracers, being able to receive on demand hyperpolarized contrast agents from a centralized facility would solve this major shortcoming and boost the diffusion of hyperpolarized MR on a wider scale. In this work, using UV-induced non-persistent radicals and purpose build hardware, we demonstrate the first “across-cities-dDNP” experiment.
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