Nuclear magnetic resonance (NMR) imaging
Geometric Numerical Methods and Results in the Control Imaging Problem in Nuclear Magnetic Resonance
... contrast imaging problem in nuclear magnetic resonance which corresponds to a Mayer problem in optimal ...contrast imaging problem in NMR in the case of deoxygenated/oxygenated blood ...
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Geometric and numerical methods in the contrast imaging problem in nuclear magnetic resonance
... Cots · Pierre Martinon Received: date / Accepted: date Abstract In this article, the contrast imaging problem in nuclear magnetic resonance is modeled as a Mayer problem in optimal control. ...
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Nanoparticles as contrast agents for brain nuclear magnetic resonance imaging in Alzheimer's disease diagnosis
... ab Nuclear Magnetic Resonance Imaging (MRI) of amyloid plaques is a powerful non-invasive approach for the early and accurate diagnosis of Alzheimer’s disease (AD) along with clinical ...
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Homogenous nuclear magnetic resonance probe using the space harmonics suppression method
... Abstract. Nuclear magnetic resonance imaging (MRI) has became an unavoidable medical tool in spite of its poor ...the nuclear magnetic resonance (NMR) probe ...the ...
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Optimal control of Nuclear Magnetic Resonance periodic systems
... radio-frequency magnetic pulse, the latter being used to guarantee the periodic character of the overall ...in magnetic resonance spectroscopy and ...
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Geometric and numerical methods in the contrast imaging problem in nuclear magnetic resonance
... contrast imaging problem was analyzed in a series of recent articles using geometric optimal control [ 6 , 11 ] or numerical indirect methods [ 7 ], and leads to experimental work described in [ 10 , 26 ], but ...
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Molecular Magnetic Resonance and Ultrasound Imaging of Tumor Angiogenesis
... To verify the presence of β3 on the cells of the vas- cular endothelium of renal carcinoma, cover slips were incubated overnight at 4 °C with anti-human rabbit β3 (1:1000; 04-1060, Millipore) in TNB buffer as a primary ...
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Local Nuclear Magnetic Resonance Spectroscopy with Giant Magnetoresistive Sensors
... The resolution of an MRI image is defined by voxels size. Voxels resolution are deter- mined by thickness, field-of-view and matrix element in x and y directions. Conventional MRI achieves a voxel size of the order of ...
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Nuclear Magnetic Resonance Volumetric Antenna
... materials. Magnetic Resonance Imaging (MRI) experiments are designed in order to access local information on grains and liquid content, and couple mechanical measurements with microstructural ...
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Evaluating Computational Models of Vision with Functional Magnetic Resonance Imaging
... 1.2.2 Magnetic Resonance Imaging Magnetic Resonance Imaging (MRI) exploits the fact that nuclear magnetic resonance frequency has such a simple dependence on ...
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Spatio-spectral regularization to improve magnetic resonance spectroscopic imaging quantification
... resonance (MR) spectroscopy (21 –24). Fast MR spectroscopic imaging has also been accomplished by the use of wavelets to enable compression in the spectral and spatial domains (25,26). To our knowledge, ...
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Homogenous static magnetic field coils dedicated to portable nuclear magnetic resonance for agronomic studies
... 230 R. Sidi-Boulenouar et al.: SHS NMR coils 3.4 Numerical resolution aspects The angle solutions of Eq. (7) are obtained using a numeri- cal resolution tool. Nevertheless, for a large number of vari- ables, the ...
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On Single-Image Super-Resolution in 3D Brain Magnetic Resonance Imaging
... non-invasive imaging technique used to visualize internal body ...external magnetic field. Similar to any other imaging modality, the loss of spatial res- olution in the acquisition process can be ...
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Design algorithms for parallel transmission in magnetic resonance imaging
... modes have strong spatial variation and are not used in conventional imaging. For an N‐ channel coil, there are N possible birdcage modes; half of which do not provide significant excitation due to their ...
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Animal Functional Magnetic Resonance Imaging: Trends and Path Toward Standardization
... In animals, as well, it is critical to control for head motion. As animals are non-compliant species, the most widely used method to control for head stability is to anesthetize the animals and to stabilize the head with ...
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Advances in perfusion magnetic resonance imaging in Alzheimer’s disease
... / La version de cette publication peut être l’une des suivantes : la version prépublication de l’auteur, la version acceptée du manuscrit ou la version de l’éditeur. For the publisher’[r] ...
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Volume coil based on hybridized resonators for magnetic resonance imaging
... the resonance frequency of the system is tuned to 300 MHz and matched to 50 X using a matching network ...a magnetic field that is mainly parallel to (Oy) axis. The magnetic field generated by the ...
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Diffusion Maps Clustering for Magnetic Resonance Q-Ball Imaging Segmentation
... 5. CONCLUSIONS In this work, we have presented two contributions. First, we have shown that in order to perform spectral clustering on complex dMRI with crossing fiber bundles, an HARDI tech- nique such as Q-ball ...
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Designing and characterizing hyperpolarizable silicon nanoparticles for magnetic resonance imaging
... Overall, while the surface charge of the APTES & BTEOSE treated particles is the highest, the fluorescamine measurements do not indicate a significant difference [r] ...
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Nuclear Magnetic Resonance Signature of the Spin-Nematic Phase in LiCuVO4 at High Magnetic Fields
... red lines denote the region where H int becomes field dependent, but maintains the same distribution as in the saturated state. NMR magnets. Figure 2 shows the field dependence of the 51 V spec- tra for two crystal ...
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