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. Author manuscript; available in PMC: 2009 Dec 3.
Published in final edited form as: J Magn Reson. 2007 Jun 10;187(2):320–326. doi: 10.1016/j.jmr.2007.06.001

Figure 3.

Figure 3

In vitro 2D ZQC NMR spectra of aspartate in the presence of relatively (A) high and (B) low magnetic field homogeneity. The frequency width at half maximum (FWHM) of the water resonance is 7 and 20 Hz in (A) and (B), respectively. While the spectral resolution along the direct F2 dimension significantly decreases in (B), the spectral resolution along the indirect F1 dimension is virtually independent of the magnetic field homogeneity. The spectral region shown is zoomed and centered on the ZQC cross peaks of the aspartate H3-H3′ resonances.