Results 41 to 50 of about 292,211 (290)

Magnetorotational instability in protoplanetary discs: The effect of dust grains [PDF]

, 2007
We investigate the linear growth and vertical structure of the MRI in protoplanetary discs when dust grains are well mixed with the gas over the entire disc thickness. All the grains have the same radius (a = 0.1, 1 or 3 micron) and constitute 1 % of the
Andrews, Balbus, Balbus, Blandford, Carballido, Consolmagno, Cowling, D'Alessio, Dullemond, Fromang, Gammie, Glassgold, Glassgold, Hayashi, Hayashi, Igea, Ilgner, Johnson, Kitamura, Knigl, Mark Wardle, Mathis, Matsumura, Morton, Nakagawa, Nakano, Nishi, Nomura, Norman, Oppenheimer, Ossenkopf, Raquel Salmeron, Salmeron, Salmeron, Salmeron, Sano, Sano, Semenov, Spitzer, Terquem, Turner, Umebayashi, Umebayashi, Van Dishoeck, Wardle, Wardle, Wardle, Wardle, Wardle, Weidenschilling   +49 more
core   +4 more sources

Variability of non-Gaussian diffusion MRI and intravoxel incoherent motion (IVIM) measurements in the breast. [PDF]

PLoS ONE, 2018
We prospectively examined the variability of non-Gaussian diffusion magnetic resonance imaging (MRI) and intravoxel incoherent motion (IVIM) measurements with different numbers of b-values and excitations in normal breast tissue and breast lesions ...
Mami Iima, Masako Kataoka, Shotaro Kanao, Makiko Kawai, Natsuko Onishi, Sho Koyasu, Katsutoshi Murata, Akane Ohashi, Rena Sakaguchi, Kaori Togashi   +9 more
doaj   +1 more source

Combined cerebellar and bilateral cervical posterior spinal artery stroke demonstrated on MRI [PDF]

, 2003
Combined cerebellar and spinal ischemic stroke is a rare, critical condition. We report a patient with combined cerebellar and bilateral posterolateral cervical spinal cord infarction due to bilateral stenosis of the vertebral arteries. MRI is the method
Brückmann, H., Hamann, Gerhard F., Liebetrau, M., Müller-Schunk, S., Reich, P., Scheuerer, W.   +5 more
core   +1 more source

Analysis of the magneto-rotational instability with the effect of cosmic-ray diffusion

, 2014
We present the results obtained from linear stability analysis and 2.5-dimensional magnetohydrodynamic (MHD) simulations of the magnetorotational instability (MRI), including the effects of cosmic rays (CRs).
Ko, Chung-Ming, Kuwabara, Takuhito
core   +1 more source

Microstructural parameter estimation in vivo using diffusion MRI and structured prior information. [PDF]

, 2016
Diffusion MRI has recently been used with detailed models to probe tissue microstructure. Much of this work has been performed ex vivo with powerful scanner hardware, to gain sensitivity to parameters such as axon radius.
Aboitiz, Alexander, Alexander, Andersson, Assaf, Assaf, Barazany, Basser, Callaghan, Clayden, Clayden, Drobnjak, Dyrby, Eddelbuettel, Eddelbuettel, Feinberg, Gelderen, Hall, Huang, Ianuş, Koch, Lawrenz, Le Bihan, Li, McNab, Neuman, Nilsson, Nilsson, Price, R Core Team. R, Reese, Roberts, Setsompop, Shemesh, Shemesh, Siow, Siow, Stanisz, Stejskal, Swain, Szafer, Xu, Zhang, Zhang   +43 more
core   +1 more source

Sirolimus for Extracranial Arteriovenous Malformations: A Scoping Review of the Evidence in Syndromic and Non‐Syndromic Cases

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Arteriovenous malformations (AVMs) are rare, high‐flow, vascular anomalies that can occur either sporadically or as part of a genetic syndrome. AVMs can progress with serious morbidity and even mortality if left unchecked. Sirolimus is an mTOR inhibitor that is effective in low‐flow vascular malformations; however, its role in AVMs is unclear.
Will Swansson, Ingrid Winship, Gary Hammerschlag, Laura Scardamaglia   +3 more
wiley   +1 more source

Diffusion MRI: what water tells us about the brain

EMBO Molecular Medicine, 2014
Diffusion MRI has been used worldwide to produce images of brain tissue structure and connectivity, in the normal and diseased brain. Diffusion MRI has revolutionized the management of acute brain ischemia (stroke), saving life of many patients and ...
Denis Le Bihan
doaj   +1 more source

The Fate (Outcome) of Clinically Apparent Single Lesion and Oligofocal Nephroblastomatosis Treated According to SIOP/GPOH Protocols for Wilms Tumor

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background The management of clinically apparent single lesions or oligofocal nephroblastomatosis, a facultative precursor of nephroblastoma, remains debated. Methods We retrospectively analyzed 37 patients with clinically apparent single or oligofocal nephroblastomatosis (two to three lesions per kidney) among 2347 patients registered between
Nils Welter, Jens‐Peter Schenk, Jenny Wegert, Manfred Gessler, Leo Kager, Stefan Wagenpfeil, Marina Müller, Jean‐Michel Wolff, Joerg Fuchs, Steven W. Warmann, Clemens‐Magnus Meier, Jochen Hubertus, Christian Rübe, Christian Vokuhl, Patrick Melchior, Lena Tschirner, Norbert Graf, Rhoikos Furtwängler   +17 more
wiley   +1 more source

The assessment of cerebral white matter microstructure in cerebral small vessel disease based on the diffusion-weighted magnetic resonance imaging

Анналы клинической и экспериментальной неврологии, 2020
Introduction. Multidimensional or biophysical modelling approaches are actively used to examine the complex microstructure of brain matter in diffusion-weighted MRI, where tissue structures are schematically simplified and divided into separate regions ...
Elena I. Kremneva, Ivan I. Maximov, Larisa A. Dobrynina, Marina V. Krotenkova   +3 more
doaj   +1 more source

Design of Anisotropic Diffusion Hardware Fiber Phantoms [PDF]

, 2009
A gold standard for the validation of diffusion weighted magnetic resonance imaging (DW-MRI) in brain white matter (WM) is essential for clinical purposes but still not available.
Baete, Steven, De Deene, Yves, Fieremans, Els, Lemahieu, Ignace   +3 more
core   +1 more source