4 papers · 1 filter
Feasibility of Concurrent 1H MRS & 31P MRSI at 7T: Brain Energy Metabolism Responses to Hyperglycemia
Mark Widmaier, Brooke C. Matson, Uzay Emir +1
How the human brain adjusts fuel handling and its bioenergetic state during changing glucose levels remains difficult to assess noninvasively. In this study, we established an inte…
Rosette spectroscopic imaging for whole-brain metabolite mapping at 7T: acceleration potential and reproducibility
Zhiwei Huang, Uzay Emir, Andre Doring +4
Whole-brain proton magnetic resonance spectroscopic imaging (1H-MRSI) is a non-invasive technique for assessing neurochemical distribution in the brain, offering valuable insights…
A Toolbox for Optimization of Reconstruction and Post-processing Pipelines in In Vivo P MR Imaging
Pontus Pandurevic, Mark Stephan Widmaier, Zhiwei Huang +1
Background: X-nuclei imaging (e.g. 31P MRI) suffers low SNR due to lower gyromagnetic ratios and tissue concentrations than 1H MRI. Enhancing SNR requires high fields, advanced coi…
Fast 3D 31P B1+ mapping with a weighted stack of spiral trajectory at 7 Tesla
Mark Widmaier, Antonia Kaiser, Salome Baup +6
Purpose: Phosphorus Magnetic Resonance Spectroscopy (31P MRS) enables non-invasive assessment of energy metabolism, yet its application is hindered by sensitivity limitations. To o…