Functional polymers as metal-free magnetic resonance imaging contrast agents

C Fu, Y Yu, X Xu, Q Wang, Y Chang, C Zhang… - Progress in Polymer …, 2020 - Elsevier
Magnetic resonance imaging (MRI) is recognized as the most powerful clinical imaging
modality due to its ability to generate detailed three-dimensional anatomical images with …

Radiofrequency labeling strategies in chemical exchange saturation transfer MRI

C Bie, P van Zijl, J Xu, X Song… - NMR in Biomedicine, 2023 - Wiley Online Library
Chemical exchange saturation transfer (CEST) MRI has generated great interest for
molecular imaging applications because it can image low‐concentration solute molecules in …

High‐sensitivity CEST mapping using a spatiotemporal correlation‐enhanced method

L Chen, S Cao, RC Koehler… - Magnetic resonance in …, 2020 - Wiley Online Library
Purpose To obtain high‐sensitivity CEST maps by exploiting the spatiotemporal correlation
between CEST images. Methods A postprocessing method accomplished by multilinear …

Separating fast and slow exchange transfer and magnetization transfer using off‐resonance variable‐delay multiple‐pulse (VDMP) MRI

L Chen, X Xu, H Zeng, KWY Chan… - Magnetic resonance …, 2018 - Wiley Online Library
Purpose To develop a method that can separate and quantify the fast (> 1 kHz) and slow
exchange transfer and magnetization transfer components in Z‐spectra. Methods Z‐spectra …

Brain pH imaging and its applications

H Kim, LC Krishnamurthy, PZ Sun - Neuroscience, 2021 - Elsevier
Acid–base homeostasis and pH regulation are critical for normal tissue metabolism and
physiology, and brain tissue pH alters in many diseased states. Several noninvasive tissue …

Glycerol-weighted chemical exchange saturation transfer nanoprobes allow 19F/1H dual-modality magnetic resonance imaging-guided cancer radiotherapy

H Wang, C Nie, Z Han, M Zhou, OO Atinuke… - Nature …, 2023 - nature.com
Recently, radiotherapy (RT) has entered a new realm of precision cancer therapy with the
introduction of magnetic resonance (MR) imaging guided radiotherapy systems into the …

CEST, ASL, and magnetization transfer contrast: How similar pulse sequences detect different phenomena

L Knutsson, J Xu, A Ahlgren… - Magnetic resonance in …, 2018 - Wiley Online Library
Chemical exchange saturation transfer (CEST), arterial spin labeling (ASL), and
magnetization transfer contrast (MTC) methods generate different contrasts for MRI …

Time‐resolved monitoring of enzyme activity with ultrafast Hyper‐CEST spectroscopy

J Döpfert, M Schnurr, M Kunth, HM Rose… - Magnetic …, 2018 - Wiley Online Library
We propose a method to dynamically monitor the progress of an enzymatic reaction using
NMR of hyperpolarized 129Xe in a host–guest system. It is based on a displacement assay …

Detection of electrostatic molecular binding using the water proton signal

Y Zhou, C Bie, PCM van Zijl, J Xu… - Magnetic resonance …, 2022 - Wiley Online Library
Purpose Saturation transfer MRI has previously been used to probe molecular binding
interactions with signal enhancement via the water signal. Here, we detail the relayed …

Any‐nucleus distributed active programmable transmit coil

V Han, CP Reeder… - Magnetic Resonance …, 2024 - Wiley Online Library
Purpose There are 118 known elements. Nearly all of them have NMR active isotopes and
at least 39 different nuclei have biological relevance. Despite this, most of today's MRI is …