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. Author manuscript; available in PMC: 2014 Jun 27.
Published in final edited form as: J Magn Reson. 2010 May 31;205(2):202–208. doi: 10.1016/j.jmr.2010.04.015

Fig.5.

Fig.5

Variation of Overhauser enhancement with change in NMR detection field. DNP spectra of 1mM TEMPOL at multiple NMR detection fields (A) B0NMR = 97 G, (B) B0NMR = 200 G, (C) B0NMR = 587 G and same EPR magnetic field corresponding to a frequency of 282.3 MHz, EPR pulse duration of 500 ms and EPR irradiation power of 5 W and TR=1300 ms. The resolution of the field sweep was 0.5 G.