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  Localized in vivo 1H NMR detection of neurotransmitter labeling in rat brain during infusion of [1-13C] D-glucose

Pfeuffer, J., Tkac I, Choi IY, Merkle, H., Ugurbil K, Garwood, M., & Gruetter, R. (1999). Localized in vivo 1H NMR detection of neurotransmitter labeling in rat brain during infusion of [1-13C] D-glucose. Magn Reson Med, 41, 1077-1083.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-E72F-5 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-E730-0
Genre: Journal Article

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 Creators:
Pfeuffer, J1, Author              
Tkac I, Choi IY, Merkle, H2, Author              
Ugurbil K, Garwood, M, Author
Gruetter, R, Author
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1Department Physiology of Cognitive Processes, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497798              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497794              

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 Abstract: Resolved localized NMR signals of 1H bound to 13C label in the carbon positions of glutamate C4, C3 and glutamine C4, C3, as well as in aspartate C3, lactate C3, alanine C3, -aminobutyric acid C3, and glucose C1 were simultaneously observed in spectra obtained from rat brain in vivo. Time-resolved label incorporation was measured with a new 'Adiabatic Carbon Editing and Decoupling' single-voxel ACED-STEAM sequence. Adiabatic carbon broadband decoupling of 12 kHz bandwidth was achieved in vivo which decoupled the entire 13C spectrum at 9.4 Tesla. Resonances from N-acetyl-aspartate and creatine were also detected, consistent with natural-abundance 13C levels. These results emphasize the potential of 1H NMR for following complex biochemical pathways in localized areas of resting rat brain as well as during focal activation using infusions of 13C-labeled glucose.

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 Dates: 1999
 Publication Status: Published in print
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 Identifiers: BibTex Citekey: 3269
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Title: Magn Reson Med
Source Genre: Journal
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Pages: - Volume / Issue: 41 Sequence Number: - Start / End Page: 1077 - 1083 Identifier: -