Brain imaging with portable low-field MRI

WT Kimberly, AJ Sorby-Adams, AG Webb… - Nature reviews …, 2023‏ - nature.com
The advent of portable, low-field MRI (LF-MRI) heralds new opportunities in neuroimaging.
Low power requirements and transportability have enabled scanning outside the controlled …

What are normal relaxation times of tissues at 3 T?

JZ Bojorquez, S Bricq, C Acquitter, F Brunotte… - Magnetic resonance …, 2017‏ - Elsevier
The T 1 and T 2 relaxation times are the basic parameters behind magnetic resonance
imaging. The accurate knowledge of the T 1 and T 2 values of tissues allows to perform …

A low-cost and shielding-free ultra-low-field brain MRI scanner

Y Liu, ATL Leong, Y Zhao, L ** at high field
JP Marques, T Kober, G Krueger, W van der Zwaag… - Neuroimage, 2010‏ - Elsevier
The large spatial inhomogeneity in transmit B1 field (B1+) observable in human MR images
at high static magnetic fields (B0) severely impairs image quality. To overcome this effect in …

Tissue correction for GABA‐edited MRS: Considerations of voxel composition, tissue segmentation, and tissue relaxations

AD Harris, NAJ Puts, RAE Edden - Journal of magnetic …, 2015‏ - Wiley Online Library
Purpose To develop a tissue correction for GABA‐edited magnetic resonance spectroscopy
(MRS) that appropriately addresses differences in voxel gray matter (GM), white matter …

Signal‐to‐noise ratio and MR tissue parameters in human brain imaging at 3, 7, and 9.4 tesla using current receive coil arrays

R Pohmann, O Speck, K Scheffler - Magnetic resonance in …, 2016‏ - Wiley Online Library
Purpose Relaxation times, transmit homogeneity, signal‐to‐noise ratio (SNR) and parallel
imaging g‐factor were determined in the human brain at 3T, 7T, and 9.4 T, using standard …

Quantitative evaluation of oxygenation in venous vessels using T2‐relaxation‐under‐spin‐tagging MRI

H Lu, Y Ge - Magnetic Resonance in Medicine: An Official …, 2008‏ - Wiley Online Library
Noninvasive measurement of cerebral venous oxygenation can serve as a tool for better
understanding fMRI signals and for clinical evaluation of brain oxygen homeostasis. In this …

Intracranial arterial wall imaging using three‐dimensional high isotropic resolution black blood MRI at 3.0 Tesla

Y Qiao, DA Steinman, Q Qin, M Etesami… - Journal of Magnetic …, 2011‏ - Wiley Online Library
Purpose: To develop a high isotropic‐resolution sequence to evaluate intracranial vessels at
3.0 Tesla (T). Materials and Methods: Thirteen healthy volunteers and 4 patients with …