The relayed nuclear Overhauser effect in magnetization transfer and chemical exchange saturation transfer MRI

Y Zhou, C Bie, PCM van Zijl, NN Yadav - NMR in biomedicine, 2023 - Wiley Online Library
Magnetic resonance (MR) is a powerful technique for noninvasively probing molecular
species in vivo but suffers from low signal sensitivity. Saturation transfer (ST) MRI …

Precise estimate of fundamental in-vivo MT parameters in human brain in clinically feasible times

A Ramani, C Dalton, DH Miller, PS Tofts… - Magnetic resonance …, 2002 - Elsevier
A methodology is presented for extracting precise quantitative MT parameters using a
magnetisation-prepared spoiled gradient echo sequence. This method, based on a new …

Understanding quantitative pulsed CEST in the presence of MT

KL Desmond, GJ Stanisz - Magnetic resonance in medicine, 2012 - Wiley Online Library
Phantom experiments in agar and ammonium chloride were performed to evaluate a three‐
pool model of magnetization transfer and chemical exchange saturation transfer (CEST) in a …

Application of chemical exchange saturation transfer (CEST) MRI for endogenous contrast at 7 Tesla

AN Dula, SA Smith, JC Gore - Journal of Neuroimaging, 2013 - Wiley Online Library
Chemical exchange saturation transfer (CEST) magnetic resonance imaging (MRI) indirectly
images exchangeable solute protons resonating at frequencies different than bulk water …

Magnetization transfer phenomenon in the human brain at 7 T

OE Mougin, RC Coxon, A Pitiot, PA Gowland - Neuroimage, 2010 - Elsevier
Magnetization transfer is an important source of contrast in magnetic resonance imaging
which is sensitive to the concentration of macromolecules and other solutes present in the …

Four‐pool modeling of proton exchange processes in biological systems in the presence of MRI–paramagnetic chemical exchange saturation transfer (PARACEST) …

AX Li, RHE Hudson, JW Barrett… - … in Medicine: An …, 2008 - Wiley Online Library
Signal loss due to magnetization transfer (MT) from the macromolecular protons of biological
tissues is an important consideration for the in vivo detection of paramagnetic chemical …

Quantitative two‐dimensional ultrashort echo time magnetization transfer (2D UTE‐MT) imaging of cortical bone

YJ Ma, A Tadros, J Du, EY Chang - Magnetic resonance in …, 2018 - Wiley Online Library
Purpose To investigate quantitative 2D ultrashort echo time magnetization transfer (UTE‐
MT) imaging in ex vivo bovine cortical bone and in vivo human tibial cortical bone. Methods …

High‐resolution imaging of magnetisation transfer and nuclear Overhauser effect in the human visual cortex at 7 T

O Mougin, M Clemence, A Peters, A Pitiot… - NMR in …, 2013 - Wiley Online Library
The aim of this study was to optimise a pulse sequence for high‐resolution imaging sensitive
to the effects of conventional macromolecular magnetisation transfer (MTm) and nuclear …

Nonaqueous magnetization following adiabatic and selective pulses in brain: T1 and cross‐relaxation dynamics

LA Reynolds, SR Morris, IM Vavasour… - NMR in …, 2023 - Wiley Online Library
Inversion pulses are commonly employed in MRI for T 1‐weighted contrast and relaxation
measurements. In the brain, it is often assumed that adiabatic pulses saturate the …

T2ρ and T1ρ adiabatic relaxations and contrasts

S Michaeli, DJ Sorce, M Garwood - Current Analytical …, 2008 - ingentaconnect.com
Transverse relaxation in the rotating frame (T2ρ) is the dominant relaxation mechanism
during a train of adiabatic full passage (AFP) radiofrequency (RF) pulses with no interpulse …