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Table 2 Chemical shift variation in 15 CPMG spectra

From: Ex-vivo HRMAS of adult brain tumours: metabolite quantification and assignment of tumour biomarkers

Resonance Ala doublet 1st peak Cr
CH2 singlet
Gly singlet Gln multiplet 3rd peak Lac doublet 1st peak PCh
singlet
Tau
triplet 2nd peak
Chemical shift (ppm) 1.48 3.93 3.55 2.44 1.34 3.27 3.42
Standard deviation of chemical shift in (Hz) 0.19 0.39 0.55 0.29 0.32 0.37 0.69
Average line width at half height of peak (Hz) 2.3 3.0 2.3 3.5 2.3 3.3 2.5
  1. This table shows the average chemical shift for 7 peaks from 15 CPMG spectra that have been referenced to the CH3 resonance of Cr. The standard deviation of these mean chemical shifts and the average line widths of the peaks are also given.