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1H DNP enhancement field profile of BDPA (The circles are filled with black.), SA-BDPA (blue, open circle) at 14.1 T. All the field profiles were obtained with 13 W of microwave power. The Overhauser effect in BDPA and SA-BDPA became more efficient at this magnetic field. Note that at this magnetic field the Overhauser effect dominates the SE in the BDPA/PS sample.
