Results 21 to 30 of about 129,335 (167)

On the generalizability of diffusion MRI signal representations across acquisition parameters, sequences and tissue types: Chronicles of the MEMENTO challenge

NeuroImage, 2021
Diffusion MRI (dMRI) has become an invaluable tool to assess the microstructural organization of brain tissue. Depending on the specific acquisition settings, the dMRI signal encodes specific properties of the underlying diffusion process.
Alberto De Luca, Andrada Ianus, Alexander Leemans, Marco Palombo, Noam Shemesh, Hui Zhang, Daniel C. Alexander, Markus Nilsson, Martijn Froeling, Geert-Jan Biessels, Mauro Zucchelli, Matteo Frigo, Enes Albay, Sara Sedlar, Abib Alimi, Samuel Deslauriers-Gauthier, Rachid Deriche, Rutger Fick, Maryam Afzali, Tomasz Pieciak, Fabian Bogusz, Santiago Aja-Fernández, Evren Özarslan, Derek K. Jones, Haoze Chen, Mingwu Jin, Zhijie Zhang, Fengxiang Wang, Vishwesh Nath, Prasanna Parvathaneni, Jan Morez, Jan Sijbers, Ben Jeurissen, Shreyas Fadnavis, Stefan Endres, Ariel Rokem, Eleftherios Garyfallidis, Irina Sanchez, Vesna Prchkovska, Paulo Rodrigues, Bennet A. Landman, Kurt G. Schilling   +41 more
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Disentangling the Effects of Restriction and Exchange With Diffusion Exchange Spectroscopy

Frontiers in Physics, 2022
Diffusion exchange spectroscopy (DEXSY) is a multidimensional NMR technique that can reveal how water molecules exchange between compartments within heterogeneous media, such as biological tissue.
Teddy X. Cai , Teddy X. Cai , Nathan H. Williamson , Nathan H. Williamson , Rea Ravin , Rea Ravin , Peter J. Basser   +6 more
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Conventions and nomenclature for double diffusion encoding NMR and MRI [PDF]

Magnetic Resonance in Medicine, 2015
Stejskal and Tanner's ingenious pulsed field gradient design from 1965 has made diffusion NMR and MRI the mainstay of most studies seeking to resolve microstructural information in porous systems in general and biological systems in particular. Methods extending beyond Stejskal and Tanner's design, such as double diffusion encoding (DDE) NMR and MRI ...
Noam Shemesh, Sune N. Jespersen, Daniel C. Alexander, Yoram Cohen, Ivana Drobnjak, Tim B. Dyrby, Jurgen Finsterbusch, Martin A. Koch, Tristan Kuder, Fredrik Laun, Marco Lawrenz, Henrik Lundell, Partha P. Mitra, Markus Nilsson, Evren Özarslan, Daniel Topgaard, Carl‐Fredrik Westin   +16 more
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A Color Image Encryption Algorithm Based on Double Fractional Order Chaotic Neural Network and Convolution Operation

Entropy, 2022
A color image encryption algorithm based on double fractional order chaotic neural network (CNN), interlaced dynamic deoxyribonucleic acid (DNA) encoding and decoding, zigzag confusion, bidirectional bit-level diffusion and convolution operation is ...
Nanming Li, Shucui Xie, Jianzhong Zhang
doaj   +1 more source

NMR diffusion pore imaging: Experimental phase detection by double diffusion encoding

, 2021
Diffusion pore imaging is an extension of diffusion-weighted nuclear magnetic resonance imaging enabling the direct measurement of the shape of arbitrarily formed, closed pores by probing diffusion restrictions using the motion of spin-bearing particles.
Demberg, Kerstin, Laun, Frederik Bernd, Windschuh, Johannes, Umathum, Reiner, Bachert, Peter, Kuder, Tristan Anselm   +5 more
openaire   +2 more sources

In vivo Correlation Tensor MRI reveals microscopic kurtosis in the human brain on a clinical 3T scanner

NeuroImage, 2022
Diffusion MRI (dMRI) has become one of the most important imaging modalities for noninvasively probing tissue microstructure. Diffusional Kurtosis MRI (DKI) quantifies the degree of non-Gaussian diffusion, which in turn has been shown to increase ...
Lisa Novello, Rafael Neto Henriques, Andrada Ianuş, Thorsten Feiweier, Noam Shemesh, Jorge Jovicich   +5 more
doaj   +1 more source

Nuclear magnetic resonance diffusion pore imaging: Experimental phase detection by double diffusion encoding [PDF]

Physical Review E, 2017
Diffusion pore imaging is an extension of diffusion-weighted nuclear magnetic resonance imaging enabling the direct measurement of the shape of arbitrarily formed, closed pores by probing diffusion restrictions using the motion of spin-bearing particles.
Kerstin, Demberg, Frederik Bernd, Laun, Johannes, Windschuh, Reiner, Umathum, Peter, Bachert, Tristan Anselm, Kuder   +5 more
openaire   +2 more sources

Correlation Tensor MRI deciphers underlying kurtosis sources in stroke

NeuroImage, 2022
Noninvasively detecting and characterizing modulations in cellular scale micro-architecture remains a desideratum for contemporary neuroimaging. Diffusion MRI (dMRI) has become the mainstay methodology for probing microstructure, and, in ischemia, its ...
Rita Alves, Rafael Neto Henriques, Leevi Kerkelä, Cristina Chavarrías, Sune N Jespersen, Noam Shemesh   +5 more
doaj   +1 more source

The emergence of plasmid-encoded oxacillinase and carbapenemase among uropathogenic Escherichia coli (UPEC) isolated from hospitalized patients in the North of Iran

Heliyon, 2023
Carbapenemase enzyme production is responsible for resistance to carbapenem among Gram-negative bacteria. This study aimed to detect common carbapenemase and oxacilinase genes among uropathogenic E.
Mahsa Sadeghi, Ali Mojtahedi, Iraj Nikokar, Zahra Atrkar Roushan   +3 more
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Magnetic Resonance Assessment of Effective Confinement Anisotropy with Orientationally-Averaged Single and Double Diffusion Encoding [PDF]

, 2021
AbstractPorous or biological materials comprise a multitude of micro-domains containing water. Diffusion-weighted magnetic resonance measurements are sensitive to the anisotropy of the thermal motion of such water. This anisotropy can be due to the domain shape, as well as the (lack of) dispersion in their orientations. Averaging over measurements that
Yolcu, Cem, Herberthson, Magnus, Westin, Carl-Fredrik, Özarslan, Evren   +3 more
openaire   +3 more sources