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. Author manuscript; available in PMC: 2016 Jul 7.
Published in final edited form as: J Phys Chem Lett. 2015 Dec 21;7(1):111–116. doi: 10.1021/acs.jpclett.5b02720

Figure 1.

Figure 1

1H NMR signal enhancement by NOVEL DNP on a sample of d8-glycerol/D2O/H2O (60/30/10 v/v/v) doped with 10.5 mM trityl OX063. The off-signal is an average of 4096 acquisitions, and the on-signal is an average of 256 acquisitions. Before each 1H NMR acquisition, polarization is built up by repeating the electron spin lock at the NOVEL condition at a 1 kHz rate for 8 s. See also the Experimental Methods section.