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. Author manuscript; available in PMC: 2011 Nov 4.
Published in final edited form as: J Phys Chem B. 2010 Nov 4;114(43):13872–13880. doi: 10.1021/jp105718r

FIGURE 12.

FIGURE 12

PMPT experiments on the NAVL single crystal. The 1H spinlock field was varied for a 15N spinlock of 57.5 kHz. The mixing time was fixed at 10 msec for all points. The curves plotted are for crosspeaks ac (intramolecular 15N/15N, 3.3 Å) and ad (intermolecular 15N/15N, > 6 Å). Intensities are plotted in arbitrary units. The dip in the curves is due to the Hartmann-Hahn match. The dotted line indicates the best transfer 1H spinlock value for intermolecular transfer in NAVL. The optimal value for intermolecular transfer results in less magnetization transfer for intramolecular sites. The other cross-peaks are essentially the same as those plotted for the cross-peaks ac and ad. All other curves are shown in Supplementary Figures 18 and 19.