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Abstract #2256

Detecting contaminants with long T2 relaxation time at 3 ppm in the human brain using the novel antiphase J difference editing method implemented in proton MRS at 7T

Seyedmorteza Rohani Rankouhi1, Donghyun Hong1, and David G. Norris1,2

1Erwin L. Hahn Institute for Magnetic Resonance Imaging, Essen, Germany, 2Donders Institute for Brain, Cognition and Behavior, Nijmegen, Netherlands

In proton spectroscopy there are reports of macro-molecules (MM) in mobile form and therefore with long T2 relaxation time in the literature. Using the novel antiphase editing technique, we demonstrate the contribution of such contaminants to J-difference edited spectra at 3ppm, with implications for editing GABA.

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