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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.6.

Fig.6

DNP spectra of various concentrations of TEMPOL (A) 62.5 μM (B) 125 μM (C) 250 μM (D) 500 μM. Overhauser enhancements are shown on corresponding panels. Spectra was acquired at B0NMR = 400 G and EPR irradiation frequency of 276.7 MHz, EPR pulse duration of 500 ms and EPR irradiation power of 6 W and TR=1050 ms. The resolution of the field sweep was 0.36 G