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. Author manuscript; available in PMC: 2009 Oct 30.
Published in final edited form as: J Chem Phys. 2008 Feb 7;128(5):052211. doi: 10.1063/1.2833582

Fig. 9.

Fig. 9

(a) Field profile of TOTAPOL and BT2E recorded at 5 T (90 K, 4 mm rotor). (b) Enhancement profile of 13C-urea (2M) as a function of the MW irradiation time in the presence of 3 mM TOTAPOL (2.5 mm rotor). Figures taken from Song et al. (Ref. 61).