Hanne Frenkel

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BISEP-based, Ultra-short TE 1H–[13C] NMR Spectroscopy of the Rat Brain at 14.1 T

Rolf Gruetter, Lijing Xin, Bernard Lanz, Hanne Frenkel

2009

Comparison of glutamate and glutamine quantitation in rat brain by 1H-[13C] NMR Spectroscopy at 9.4 T and 14.1 T

Rolf Gruetter, Lijing Xin, Hanne Frenkel

2009

Non-invasive quantification of brain glycogen absolute concentration

Rolf Gruetter, Lijing Xin, Hongxia Lei, Ruud van Heeswijk, Hanne Frenkel, Sabrina Laus

The only currently available method to measure brain glycogen in vivo is C-13 NMR spectroscopy. Incorporation of C-13-labeled glucose (Glc) is necessary to allow glycogen measurement, but might be affected by turnover changes. Our aim was to measure glycog ...

Wiley-Blackwell2008

Localized 1H[13C] NMR Measurement of N-acetyl-aspartate Turnover in Rat Brain

Rolf Gruetter, Lijing Xin, Hanne Frenkel

2008

Glucose and glycogen content in rat hypothalamus at euglycemia and hypoglycemia

Rolf Gruetter, Hongxia Lei, Carole Poitry-Yamate, Hanne Frenkel

Wiley-Blackwell2007

13C-edited 1H NMR Spectroscopy with Selective Resonance Suppression Using Asymmetric Adiabatic RF Pulses

Rolf Gruetter, Lijing Xin, Hanne Frenkel

2007

Localized short-echo-time proton MR spectroscopy with full signal-intensity acquisition

Rolf Gruetter, Giulio Gambarota, Hanne Frenkel

We developed a short-echo-time (TE) sequence for proton localized spectroscopy by combining a 1D add-subtract scheme with a doubly slice-selective spin-echo (SE) sequence. The sequence preserves the full magnetization available from the selected volume of ...

Wiley-Blackwell2006

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