In vivo B0 field shimming methods for MRI at 7 T
JP Stockmann, LL Wald - Neuroimage, 2018 - Elsevier
Abstract Functional MRI (fMRI) at 7 T and above provides improved Signal-to-Noise Ratio
and Contrast-to-Noise Ratio compared to 3 T acquisitions. In addition to the beneficial …
and Contrast-to-Noise Ratio compared to 3 T acquisitions. In addition to the beneficial …
B0 magnetic field homogeneity and shimming for in vivo magnetic resonance spectroscopy
C Juchem, RA de Graaf - Analytical biochemistry, 2017 - Elsevier
The homogenization of B 0 conditions is necessary for every magnetic resonance
spectroscopy (MRS) investigation. Its direct consequence is narrow spectral lines, on which …
spectroscopy (MRS) investigation. Its direct consequence is narrow spectral lines, on which …
[HTML][HTML] Enabling ambulatory movement in wearable magnetoencephalography with matrix coil active magnetic shielding
The ability to collect high-quality neuroimaging data during ambulatory participant
movement would enable a wealth of neuroscientific paradigms. Wearable …
movement would enable a wealth of neuroscientific paradigms. Wearable …
A 32‐channel combined RF and B0 shim array for 3T brain imaging
Purpose We add user‐controllable direct currents (DC) to the individual elements of a 32‐
channel radio‐frequency (RF) receive array to provide B0 shimming ability while preserving …
channel radio‐frequency (RF) receive array to provide B0 shimming ability while preserving …
Dynamic multi-coil shimming of the human brain at 7 T
High quality magnetic field homogenization of the human brain (ie shimming) for MR
imaging and spectroscopy is a demanding task. The susceptibility differences between air …
imaging and spectroscopy is a demanding task. The susceptibility differences between air …
Dynamic multi-coil technique (DYNAMITE) shimming for echo-planar imaging of the human brain at 7 Tesla
Gradient-echo echo-planar imaging (EPI) is the primary method of choice in functional MRI
and other methods relying on fast MRI to image brain activation and connectivity. However …
and other methods relying on fast MRI to image brain activation and connectivity. However …
Integrated parallel reception, excitation, and shimming (iPRES)
H Han, AW Song, TK Truong - Magnetic resonance in medicine, 2013 - Wiley Online Library
Purpose: To develop a new concept for a hardware platform that enables integrated parallel
reception, excitation, and shimming. Theory: This concept uses a single coil array rather …
reception, excitation, and shimming. Theory: This concept uses a single coil array rather …
Recent advances in microresonators and supporting instrumentation for electron paramagnetic resonance spectroscopy
Electron paramagnetic resonance (EPR) spectroscopy characterizes the magnetic
properties of paramagnetic materials at the atomic and molecular levels. Resonators are an …
properties of paramagnetic materials at the atomic and molecular levels. Resonators are an …
Development and implementation of an 84‐channel matrix gradient coil
Purpose Design, implement, integrate, and characterize a customized coil system that
allows for generating spatial encoding magnetic fields (SEMs) in a highly‐flexible fashion …
allows for generating spatial encoding magnetic fields (SEMs) in a highly‐flexible fashion …
Real‐time feedback for spatiotemporal field stabilization in MR systems
Y Duerst, BJ Wilm, BE Dietrich… - Magnetic resonance …, 2015 - Wiley Online Library
Purpose MR imaging and spectroscopy require a highly stable, uniform background field.
The field stability is typically limited by hardware imperfections, external perturbations, or …
The field stability is typically limited by hardware imperfections, external perturbations, or …