✍ Scribed by Tiejun Zhao; Keith Heberlein; Carolyn Jonas; Dean P. Jones; Xiaoping Hu
No coin nor oath required. For personal study only.
In this work, a new double quantum filter for glutathione (GSH) editing is introduced, combined with the point‐resolved spectroscopy localization sequence (PRESS), and demonstrated in vivo. Compared to the conventional double quantum coherence filter, the new filter has two major advantages. First, it eliminates the need for calibration scans for optimizing the signal yield, making it more efficient and convenient for routine use. Second, it removes the influence of water saturation pulses on the GSH yield, further improving its accuracy. With this method, GSH concentrations in the left and right parietal lobes of five healthy volunteers were determined to be 0.91 ± 0.16 mM and 0.89 ± 0.16 mM, respectively, in agreement with previous studies. Magn Reson Med, 2006. © 2006 Wiley‐Liss, Inc.
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