APT‐weighted MRI: techniques, current neuro applications, and challenging issues

J Zhou, HY Heo, L Knutsson… - Journal of Magnetic …, 2019 - Wiley Online Library
Amide proton transfer‐weighted (APTw) imaging is a molecular MRI technique that
generates image contrast based predominantly on the amide protons in mobile cellular …

Chemical exchange saturation transfer (CEST) and MR Z-spectroscopy in vivo: a review of theoretical approaches and methods

M Zaiss, P Bachert - Physics in Medicine & Biology, 2013 - iopscience.iop.org
Chemical exchange saturation transfer (CEST) of metabolite protons that undergo exchange
processes with the abundant water pool enables a specific contrast for magnetic resonance …

Nuclear Overhauser enhancement (NOE) imaging in the human brain at 7 T

CK Jones, A Huang, J Xu, RAE Edden, M Schär, J Hua… - Neuroimage, 2013 - Elsevier
Chemical exchange saturation transfer (CEST) is a magnetization transfer (MT) technique to
indirectly detect pools of exchangeable protons through the water signal. CEST MRI has …

Inverse Z‐spectrum analysis for spillover‐, MT‐, and T1‐corrected steady‐state pulsed CEST‐MRI – application to pH‐weighted MRI of acute stroke

M Zaiss, J Xu, S Goerke, IS Khan, RJ Singer… - NMR in …, 2014 - Wiley Online Library
Endogenous chemical exchange saturation transfer (CEST) effects are always diluted by
competing effects, such as direct water proton saturation (spillover) and semi‐solid …

Nuts and bolts of chemical exchange saturation transfer MRI

G Liu, X Song, KWY Chan… - NMR in Biomedicine, 2013 - Wiley Online Library
Chemical exchange saturation transfer (CEST) has emerged as a novel MRI contrast
mechanism that is well suited for molecular imaging studies. This new mechanism can be …

CEST signal at 2 ppm (CEST@2ppm) from Z‐spectral fitting correlates with creatine distribution in brain tumor

K Cai, A Singh, H Poptani, W Li, S Yang… - NMR in …, 2015 - Wiley Online Library
In general, multiple components such as water direct saturation, magnetization transfer (MT),
chemical exchange saturation transfer (CEST) and aliphatic nuclear Overhauser effect …

MR imaging of the amide‐proton transfer effect and the pH‐insensitive nuclear Overhauser effect at 9.4 T

T Jin, P Wang, X Zong, SG Kim - Magnetic resonance in …, 2013 - Wiley Online Library
The amide proton transfer (APT) effect has emerged as a unique endogenous molecular
imaging contrast mechanism with great clinical potentials. However, in vivo quantitative …

Three‐dimensional amide proton transfer MR imaging of gliomas: initial experience and comparison with gadolinium enhancement

J Zhou, H Zhu, M Lim, L Blair… - Journal of Magnetic …, 2013 - Wiley Online Library
Purpose To investigate the feasibility of a three‐dimensional amide‐proton‐transfer (APT)
imaging sequence with gradient‐and spin‐echo readouts at 3 Tesla in patients with high‐or …

Exchange‐dependent relaxation in the rotating frame for slow and intermediate exchange–modeling off‐resonant spin‐lock and chemical exchange saturation …

M Zaiss, P Bachert - NMR in Biomedicine, 2013 - Wiley Online Library
Chemical exchange observed by NMR saturation transfer (CEST) and spin‐lock (SL)
experiments provide an MRI contrast by indirect detection of exchanging protons. The …

Mapping of amide, amine, and aliphatic peaks in the CEST spectra of murine xenografts at 7 T

KL Desmond, F Moosvi… - Magnetic resonance in …, 2014 - Wiley Online Library
Purpose To evaluate the performance of endogenous chemical exchange saturation transfer
(CEST) spectra and derived maps in a longitudinal study of tumor xenografts to ascertain the …