Multimodal microstructure imaging: joint T2-relaxometry and diffusometry to estimate myelin, intracellular, extracellular, and cerebrospinal fluid properties

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Publications associées (31)

Diffusion-weighted MRS of acetate in the rat brain

Nicolas Kunz, Bernard Lanz, Rolf Gruetter, Masoumeh Dehghani Moghadam, Hikari Ananda Infinity Yoshihara

Acetate has been proposed as an astrocyte-specific energy substrate for metabolic studies in the brain. The determination of the relative contribution of the intracellular and extracellular compartments to the acetate signal using diffusion-weighted magnet ...

Wiley-Blackwell2017

Spin excitations in the skyrmion host Cu2OSeO3

Arnaud Magrez, Henrik Moodysson Rønnow, Ivica Zivkovic, Jonathan White, Peter Babkevich, Ping Huang, Felix Groitl, Gregory Scott Tucker

We have used inelastic neutron scattering to measure the magnetic excitation spectrum along the high-symmetry directions of the first Brillouin zone of the magnetic skyrmion hosting compound Cu2OSeO3. The majority of our scattering data are consistent with ...

Amer Physical Soc2016

Quantitative Susceptibility Mapping in the Human Brain

Diana Khabipova

Magnetic resonance imaging (MRI) offers a good tissue contrast and the ability to visualize many disease related morphologies. The work presented in this thesis investigates the study of underlying structure of the brain using quantitative methods with a s ...

EPFL2016

Systems and methods for moving and circulating fluid to treat alzheimer's disease

A system for the treatment of Alzheimer's disease is provided by moving cerebrospinal fluid containing particles know to contribute to onset of Alzheimer's disease from a source of cerebrospinal fluid to the stomach or bladder, where the particles are safe ...

2016

The effects of molecular diffusion in spatially encoded magnetic resonance imaging

Geoffrey Bodenhausen, Sina Marhabaie

In spatially encoded MRI, the signal is acquired sequentially for different coordinates. In particular for single-scan acquisitions in inhomogeneous fields, spatially encoded methods improve the image quality compared to traditional k-space encoding. Previ ...

Academic Press Inc - Elsevier Science2016

Characterization of the Discrepancies Between Four-Dimensional Phase-Contrast Magnetic Resonance Imaging and In-Silico Simulations of Cerebrospinal Fluid Dynamics

Bryn Andrew Martin

The purpose of the present study was to compare subject-specific magnetic resonance imaging (MRI)-based computational fluid dynamics (CFD) simulations with time-resolved three-directional (3D) velocity-encoded phase-contrast MRI (4D PCMRI) measurements of ...

American Society of Mechanical Engineers2015

Magnetic excitations in soft X-ray RIXS: Recent developments

Marco Grioni, Simon Karl Moser, Sara Fatale

Resonant inelastic X-ray scattering (RIXS) has rapidly become a mature spectroscopic technique. In particular, taking advantage of an improved energy resolution, a series of experiments performed over the past 5 years have established soft X-ray RIXS as a ...

Elsevier Science Bv2015

Proteomics of Cerebrospinal Fluid: Throughput and Robustness Using a Scalable Automated Analysis Pipeline for Biomarker Discovery

Loïc Dayon, Martin Kussmann

Cerebrospinal fluid (CSF) is a body fluid of high clinical relevance and an important source of potential biomarkers for brain-associated damages, such as traumatic brain injury and stroke, and for brain diseases, such as Alzheimer's and Parkinson's. Herei ...

Amer Chemical Soc2015

Rotation-induced recovery and bleaching in magnetic resonance

Geoffrey Bodenhausen, Diego Carnevale, Srinivas Chinthalapalli, Angel Joaquin Perez Linde

Thurber and Tycko recently described a 'bleaching effect' that occurs in magnetic resonance when solid samples that are doped with paramagnetic agents are subjected to rotation by magic angle spinning (MAS) in a static magnetic field with a rotation period ...

Royal Society of Chemistry2015

A broadband single-chip transceiver for multi-nuclear NMR probes

Giovanni Boero, Gabriele Gualco, Marco Grisi

In this article, we present an integrated broadband complementary metal-oxide semiconductor single-chip transceiver suitable for the realization of multi-nuclear pulsed nuclear magnetic resonance (NMR) probes. The realized single-chip transceiver can be in ...

American Institute of Physics2015

Evaluation of automatic neonatal brain segmentation algorithms: The NeoBrainS12 challenge

Laura Ioana Gui, Elda Fischi Gomez

A number of algorithms for brain segmentation in preterm born infants have been published, but a reliable comparison of their performance is lacking. The NeoBrainS12 study (http://neobrains12.isi.uu.nl), providing three different image sets of preterm born ...

Elsevier Science Bv2015

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