[PDF][PDF] SAR behavior during whole-body multitransmit RF shimming at 3.0 T

…, G Mens, G van Yperen, G DeMeester… - Proceedings of the …, 2009 - researchgate.net
The electrical properties of human tissue influence the RF uniformity that is achievable in
MRI. Clinical 3.0 T MRI systems capable of MultiTransmit RF technology have recently been …

[PDF][PDF] Partial F ourier Acquisition in MRI

PM Margosian, G DeMeester, H Liu - eMagRes, 2007 - researchgate.net
The original motivation for exploring partial Fourier image reconstruction methods for MRI
was the possibility of completing an acquisition in roughly half the normal time. For standard …

The properties of proton-proton interactions between 100 and 1000 GeV from a cosmic-ray experiment

LW Jones, AE Bussian, GD Demeester, BW Loo… - Nuclear Physics B, 1972 - Elsevier
Proton-proton interactions above 100 GeV have been studied in an experiment using
cosmic-ray protons interacting in a liquid hydrogen target. From several hundred hydrogen …

Challenges of short magnet design

G DeMeester, M Morich, A Byrne, F Davies… - … Resonance Materials in …, 2001 - Springer
The desire to improve patient comfort and acceptance of high field magnetic resonance
imaging (MRI) systems results in new-approaches to magnet and other critical MRI component …

A split gradient coil for high speed imaging with application to MRI-RT

S Shvartsman, G DeMeester, T Eagan… - Proc. Int. Society For …, 2010 - archive.ismrm.org
It is desirable to have a high speed whole body gradient coil with a central gap between
coils of 200mm for applications in MRI guided Radiation Therapy. Multileaved Collimators (…

[PDF][PDF] Initial clinical experiences with a Fresnel zone-plate imager

MH Farmelant, G DeMeester, D Wilson… - Journal of Nuclear …, 1975 - Soc Nuclear Med
MATERIALS AND METHODS The imaging camera is illustrated in Fig. 2. In brief, it consists
of an off-axis Fresnel zone plate constructed of concentric, alternately opaque (lead), and …

The use of gas proportional counters to distinguish protons from pions in the cosmic radiation at energies of near or greater than 100 GeV

PVR Murthy, GD Demeester - Nuclear Instruments and Methods, 1967 - Elsevier
Several possible methods to distinguish protons and pions in the cosmic radiation at energies
of over 100 GeV are discussed. One of these methods based on multiple sampling of …

[PDF][PDF] Tomographic scintigraphy of regional myocardial perfusion

…, TA Sos, R Tancrell, G DeMeester - Journal of Nuclear …, 1977 - Soc Nuclear Med
Estimation of the extent of regional ischemia by scintigraphic methods has been hampered
by the geometric constraints of two-dimensional imag ing. Myocardial perfusion scintigraphy …

Numerical and experimental studies of the vibration and acoustic behaviors of MRI gradient tube

JX Ling, W Amor, G DeMeester - … and Information in …, 1995 - asmedigitalcollection.asme.org
This paper comes from a realistic engineering project — an optimal design of the gradient
system for a NMR machine for medical imaging. A three-dimensional finite element model was …

[PDF][PDF] A study of the relationship between B1-field uniformity, body aspect ratio and SAR for whole-body RF shimming at 3.0 T

Z Zhai, M Morich, G DeMeester… - Proc Int Soc Magn Reson …, 2009 - researchgate.net
In a 3T whole body MRI system, the body tissue dielectric effects become important. It can
considerably decrease B1-field homogeneity and affect image quality. Experiments show that …