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Rolf Gruetter

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Publications associées (418)

Net increase of lactate and glutamate concentration in activated human visual cortex detected with magnetic resonance spectroscopy at 7 tesla

Nicolas Kunz, Rolf Gruetter, Benoît Schaller, Lijing Xin

After the landmark studies reporting changes in the cerebral metabolic rate of glucose (CMR(Glc) ) in excess of those in oxygen (CMR(O2) ) during physiological stimulation, several studies have examined the fate of the extra carbon taken up by the brain, r ...

Wiley-Blackwell2013

Hyperpolarized [1-13C]acetylcarnitine as a tracer for cardiac metabolism

Arnaud Comment, Rolf Gruetter, Tian Cheng, Josefina Adriana Maria Bastiaansen

2013

Unedited in vivo detection and quantification of gamma-aminobutyric acid in the occipital cortex using short-TE MRS at 3 T

Rolf Gruetter

Short-TE MRS has been proposed recently as a method for the in vivo detection and quantification of gamma-aminobutyric acid (GABA) in the human brain at 3 T. In this study, we investigated the accuracy and reproducibility of short-TE MRS measurements of GA ...

Wiley-Blackwell2013

Feasibility of direct mapping of cerebral fluorodeoxy-D-glucose metabolism in situ at subcellular resolution using soft X-ray fluorescence

Rolf Gruetter, Vincent Gajdosik, Carole Poitry-Yamate, Mario Gaetano Lepore

Glucose metabolism is difficult to image with cellular resolution in mammalian brain tissue, particularly with (18) fluorodeoxy-D-glucose (FDG) positron emission tomography (PET). To this end, we explored the potential of synchrotron-based low-energy X-ray ...

Wiley-Blackwell2013

Direct mapping of FDG uptake in situ at subcellular resolution using soft X-ray fluorescence

Rolf Gruetter, Carole Poitry-Yamate

Wiley-Blackwell2013

A simple method to denoise MP2RAGE

François Lazeyras, Rolf Gruetter, Gunnar Krüger, Alexis Roche, Kieran O'Brien

2013

Tapping into the brain: An ultra-high resolution investigation of the sensory-motor system using 7-Tesla fMRI

Rolf Gruetter, Olaf Blanke, Wietske Van der Zwaag, Roy Salomon

Humana Press Inc2013

3D Residual Eddy Current Field Characterisation: applied to Diffusion Weighted Magnetic Resonance Imaging

François Lazeyras, Rolf Gruetter, Gunnar Krüger, Alessandro Daducci, Kieran O'Brien

Clinical use of the Stejskal-Tanner diffusion weighted images is hampered by the geometric distortions that result from the large residual 3D eddy current field induced. In this work we aimed to predict, using linear response theory, the residual 3D eddy c ...

Institute of Electrical and Electronics Engineers2013

Bioreactor to simultaneously measure three parallel in vitro preparations

Arnaud Comment, Yves Pilloud, Rolf Gruetter, Riccardo Balzan, Mor-Miri Mishkovsky, Leila Drissi Daoudi - Kleinbauer, Emine Can

2013

Brain Glucose Transport and Phosphorylation Under Acute Insulin-Induced Hypoglycemia in Mice: An 18F-FDG PET Study

Rolf Gruetter, João Miguel das Neves Duarte, Malte Alf

We addressed the questions of how cerebral glucose transport and phosphorylation change under acute hypoglycemia and what the underlying mechanisms of adaptation are. Methods: Quantitative 18F-FDG PET combined with the acquisition of real-time arterial inp ...

2013

An in vivo ultrahigh field 14.1 T (1) H-MRS study on 6-OHDA and α-synuclein-based rat models of Parkinson's disease: GABA as an early disease marker

Patrick Aebischer, Bernard Schneider, Rolf Gruetter, Meret Gaugler, Philippe Guillaume Coune, Mélanie Craveiro

The detection of Parkinson's disease (PD) in its preclinical stages prior to outright neurodegeneration is essential to the development of neuroprotective therapies and could reduce the number of misdiagnosed patients. However, early diagnosis is currently ...

Wiley-Blackwell2013

An improved surface coil design for proton decoupled Carbon-13 Magnetic Resonance Spectroscopy

Eulalia Serés Roig, Rolf Gruetter, Lijing Xin, Guillaume Donati

2013

Diffusion MRI study of slowly growing human glioma models in mice at 14.1T

Rolf Gruetter

International Society for Magnetic Resonance in Medicine2013

New Developments and Applications of the MP2RAGE Sequence - Focusing the Contrast and High Spatial Resolution R1 Mapping

Rolf Gruetter, José Pedro Rebelo Ferreira Marques

MR structural T1-weighted imaging using high field systems (>3T) is severely hampered by the existing large transmit field inhomogeneities. New sequences have been developed to better cope with such nuisances. In this work we show the potential of a recent ...

Public Library of Science2013

Superior GRAPPA reconstruction with reduced g-factor noise using 2D CAIPIRINHA for 3D EPI

Rolf Gruetter, José Pedro Rebelo Ferreira Marques, Mayur Narsude, Daniel Gallichan

Efficient GRAPPA or SENSE reconstruction is largely dependent on coil geometry in the direction in which phase encoding steps reduction is performed during partially parallel acquisition. In this study we demonstrate the ability to perform a 2D CAIPIRINHA ...

2013

FatNavs: Exploiting the Natural Sparsity of Head Fat Images for High-Resolution Motion-Navigation at Very High Acceleration Factors

Rolf Gruetter, José Pedro Rebelo Ferreira Marques, Daniel Gallichan

2013

Studying effects of glucose transporter isoform 2 on brain metabolic activities using localized H-1 MRS and perfusion MRI

Rolf Gruetter, Hongxia Lei

Wiley-Blackwell2013

In vivo brain energy metabolism in a rat model of chronic Hepatic Encephalopathy using 31P MRS

Rolf Gruetter, Cristina Ramona Cudalbu, Arjun Jayaswal

Wiley-Blackwell2013

9.4-14.1 T small-animal PET-MR imaging: Feasibility analysis of LYSO APD readout via long signal lines

Rolf Gruetter, Jorge André Dinis Neves, Joao Varela

In the present work we intend to assess the readout feasibility of Avalanche Photodiode (APD) detectors via long signal lines for the development of a combined small-animal PET-MR prototype based on the ClearPEM technology. The detection performance of a L ...

Elsevier2013

Digit somatotopy in the human cerebellum: A 7T fMRI study

Roberto Martuzzi, Rolf Gruetter, Olaf Blanke, Wietske Van der Zwaag, José Pedro Rebelo Ferreira Marques, Remy Kusters

The representation of the human body in the human cerebellum is still relatively unknown, compared to the well-studied homunculus in the primary somatosensory cortex. The investigation of the body representation in the cerebellum and its somatotopic organi ...

Academic Press Inc Elsevier Science2013

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