Radio frequency coil technology for small‐animal MRI

FD Doty, G Entzminger, J Kulkarni… - NMR in Biomedicine …, 2007 - Wiley Online Library
A review of the theory, technology, and use of radio frequency (RF) coils for small‐animal
MRI is presented. It includes a brief overview of MR signal‐to‐noise (S/N) analysis and …

Phase and amplitude correction for multi‐echo water–fat separation with bipolar acquisitions

H Yu, A Shimakawa, CA McKenzie… - Journal of Magnetic …, 2010 - Wiley Online Library
Purpose: To address phase and amplitude errors for multi‐point water–fat separation with
“bipolar” acquisitions, which efficiently collect all echoes with alternating read‐out gradient …

Low eddy current RF shielding enclosure designs for 3T MR applications

BJ Lee, RD Watkins, CM Chang… - Magnetic resonance in …, 2018 - Wiley Online Library
Purpose Magnetic resonance–compatible medical devices operate within the MR
environment while benefitting from the superior anatomic information of MRI. Avoiding …

Transverse slot antennas for high field MRI

L Alon, R Lattanzi, K Lakshmanan… - Magnetic resonance …, 2018 - Wiley Online Library
Purpose Introduce a novel coil design using an electrically long transversely oriented slot in
a conductive sheet. Theory and Methods Theoretical considerations, numerical simulations …

Rapid measurement and correction of phase errors from B0 eddy currents: Impact on image quality for non‐cartesian imaging

EK Brodsky, JL Klaers, AA Samsonov… - Magnetic resonance …, 2013 - Wiley Online Library
Non‐Cartesian imaging sequences and navigational methods can be more sensitive to
scanner imperfections that have little impact on conventional clinical sequences, an issue …

Advances in gradient echo myelin water imaging at 3T and 7T

HG Shin, SH Oh, M Fukunaga, Y Nam, D Lee, W Jung… - NeuroImage, 2019 - Elsevier
Gradient echo myelin water imaging (GRE-MWI) is an MRI technique to measure myelin
concentration and involves the analysis of signal decay characteristics of the multi-echo …

Thermal variation in gradient response: measurement and modeling

J Nussbaum, BE Dietrich, BJ Wilm… - Magnetic Resonance …, 2022 - Wiley Online Library
Purpose Many aspects and imperfections of gradient dynamics in MRI have been
successfully captured by linear time‐invariant (LTI) models. Changes in gradient behavior …

Studies of the interactions of an MRI system with the shielding in a combined PET/MRI scanner

BJ Peng, JH Walton, SR Cherry… - Physics in Medicine & …, 2009 - iopscience.iop.org
A positron emission tomography (PET) system or'insert'has been constructed for placement
and operation in the bore of a small animal magnetic resonance imaging (MRI) scanner to …

MRI compatibility study of an integrated PET/RF-coil prototype system at 3 T

MSH Akram, T Obata, M Suga, F Nishikido… - Journal of Magnetic …, 2017 - Elsevier
We have been working on the development of a PET insert for existing magnetic resonance
imaging (MRI) systems for simultaneous PET/MR imaging, which integrates radiofrequency …

Theoretical and experimental evaluation of detached endcaps for 3 T birdcage coils

M Alecci, CM Collins, J Wilson, W Liu… - … in Medicine: An …, 2003 - Wiley Online Library
The use of detached endcaps for 3 T birdcage coils was investigated both theoretically and
experimentally. Finite difference time domain analysis, along with workbench and MRI …