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. Author manuscript; available in PMC: 2017 Nov 22.
Published in final edited form as: Front Phys. 2017 Jul 28;5:26. doi: 10.3389/fphy.2017.00026

FIGURE 2.

FIGURE 2

Time-course spectra of the dynamic turnover of Glu, Gln, Asp, GABA, and bicarbonate from intravenously infused [2-13C] Glc detected in vivo in the monkey brain at 4.7 Tesla using pseudo noise decoupling pulse (A) and vectorial noise decoupling pulse (B). Spectrum acquired using WALTZ-4 decoupling (upper trace) is compared with undecoupled spectrum in (C). Only a negligible decoupling effect is shown using WALTZ-4 at the low power level. Acquisition parameters for all spectra were: sweep width 10 kHz, acquisition time 204 ms, TR 2.3 s. Adapted from Li et al. [28].