A 32‐element loop/dipole hybrid array for human head imaging at 7 T

NI Avdievich, AV Nikulin, L Ruhm… - Magnetic resonance …, 2022 - Wiley Online Library
Purpose To improve whole‐brain SNR at 7 Tesla, a novel 32‐element hybrid human head
array coil was developed, constructed, and tested. Methods Our general design strategy is …

Bent folded‐end dipole head array for ultrahigh‐field MRI turns “dielectric resonance” from an enemy to a friend

NI Avdievich, G Solomakha, L Ruhm… - Magnetic resonance …, 2020 - Wiley Online Library
Purpose To provide transmit whole‐brain coverage at 9.4 T using an array with only eight
elements and improve the specific absorption rate (SAR) performance, a novel dipole array …

Double‐row dipole/loop combined array for human whole brain imaging at 7 T

NI Avdievich, AV Nikulin, L Ruhm, AW Magill… - NMR in …, 2022 - Wiley Online Library
Important issues in designing radiofrequency (RF) coils for human head imaging at ultra‐
high field (UHF;≥ 7 T) are the inhomogeneity and longitudinal coverage (along the magnet …

Radiofrequency coil for routine ultra‐high‐field imaging with an unobstructed visual field

KM Gilbert, LM Klassen, A Mashkovtsev… - NMR in …, 2021 - Wiley Online Library
Many neuroscience applications have adopted functional MRI as a tool to investigate the
healthy and diseased brain during the completion of a task. While ultra‐high‐field MRI has …

Folded‐end dipole transceiver array for human whole‐brain imaging at 7 T

NI Avdievich, G Solomakha, L Ruhm… - NMR in …, 2021 - Wiley Online Library
The advancement of clinical applications of ultrahigh field (UHF) MRI depends heavily on
advances in technology, including the development of new radiofrequency (RF) coil …

Reconfigurable dipole receive array for dynamic parallel imaging at ultra‐high magnetic field

AV Nikulin, F Glang, NI Avdievich… - Magnetic …, 2023 - Wiley Online Library
Purpose To extend the concept of 3D dynamic parallel imaging, we developed a prototype
of an electronically reconfigurable dipole array that provides sensitivity alteration along the …

Unshielded bent folded‐end dipole 9.4 T human head transceiver array decoupled using modified passive dipoles

NI Avdievich, G Solomakha, L Ruhm… - Magnetic resonance …, 2021 - Wiley Online Library
Purpose To develop an unshielded dipole transceiver array for human head imaging at 9.4
Tesla and to improve decoupling of adjacent dipole elements, a novel array design with …

9.4 T double‐tuned 13C/1H human head array using a combination of surface loops and dipole antennas

NI Avdievich, G Solomakha, L Ruhm… - NMR in …, 2021 - Wiley Online Library
MRI at ultra‐high field (UHF,≥ 7 T) provides a natural strategy for improving the quality of X‐
nucleus magnetic resonance spectroscopy and imaging due to the intrinsic benefit of …

An 8‐channel Tx dipole and 20‐channel Rx loop coil array for MRI of the cervical spinal cord at 7 Tesla

N Lopez‐Rios, KM Gilbert, D Papp… - NMR in …, 2023 - Wiley Online Library
The quality of cervical spinal cord images can be improved by the use of tailored
radiofrequency (RF) coil solutions for ultrahigh field imaging; however, very few commercial …

Double‐row 16‐element folded‐end dipole transceiver array for 3D RF shimming of the whole human brain at 9.4 T

AV Nikulin, D Bosch, GA Solomakha… - NMR in …, 2023 - Wiley Online Library
Homogeneity and longitudinal coverage of transmit (Tx) human head RF coils at ultrahigh
field (UHF,≥ 7 T) can be improved by 3D RF shimming, which requires using multi‐row Tx …