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. Author manuscript; available in PMC: 2010 Aug 1.
Published in final edited form as: J Magn Reson. 2009 May 3;199(2):173–187. doi: 10.1016/j.jmr.2009.04.013

Fig. 1.

Fig. 1

The CHHC pulse sequence employed in the present work, where, in addition to previous implementations, a 60 kHz continuous-wave decoupling field is applied on the 13C channel, in order to reduce the negative influence of the 13C-1H dipolar interaction upon the efficiency of 1H-1H magnetization exchange during the mixing time.