High‐resolution MRS in the presence of field inhomogeneity via intermolecular double‐quantum coherences on a 3‐T whole‐body scanner

Y Lin, T Gu, Z Chen, S Kennedy… - … in Medicine: An …, 2010 - Wiley Online Library
Signals from intermolecular double‐quantum coherences (iDQCs) have been shown to be
insensitive to macroscopic field inhomogeneities and thus enable acquisition of high …

Fast high-resolution 2D correlation spectroscopy in inhomogeneous fields via Hadamard intermolecular multiple quantum coherences technique

C Cai, F Gao, S Cai, Y Huang, Z Chen - Journal of Magnetic Resonance, 2011 - Elsevier
Recently, a method based on intermolecular multiple quantum coherences (iMQCs) has
been proposed to obtain high-resolution 2D COSY spectra in inhomogeneous fields via 3D …

Physical methods and techniques NMR spectroscopy

M Edgar - Annual Reports Section" B"(Organic Chemistry), 2012 - pubs.rsc.org
NMR spectroscopy continues to evolve, with publications in 2011 providing an eclectic
collection of applications, advances and incremental improvements. Publications highlights …

Apparent diffusion behaviour of intermolecular double-quantum coherence modulated by a distant dipolar field in solution NMR

S Gui-Ping, C Cong-Bo, C Shu-Hui… - Chinese Physics B, 2009 - iopscience.iop.org
A modified correlated spectroscopy (COSY) revamped with asymmetric Z-gradient echo
detection sequence was designed to investigate the influence of diffusion behaviour on …

High-resolution Nuclear Magnetic Resonance Techniques under Inhomogeneous Magnetic Fields

Z Chen, Y Huang - degruyter.com
304 Chapter 12 High-resolution Nuclear Magnetic Resonance Techniques under··· fields.
Relatively low signal intensity is an intrinsic defect in iMQC-based high-resolution NMR …

Observation of intermolecular double-quantum coherence signal dips in nuclear magnetic resonance

GP Shen, CB Cai, SH Cai, Z Chen - Chinese Physics B, 2011 - iopscience.iop.org
The correlated spectroscopy revamped by asymmetric Z-gradient echo detection (CRAZED)
sequence is modified to investigate intermolecular double-quantum coherence nuclear …

Intermolecular double-quantum coherence imaging without coherence selection gradients and its application in in vivo MRI

G Shen, C Cai, Z Chen, S Cai - Magnetic Resonance Imaging, 2013 - Elsevier
In the COSY Revamped with Asymmetric Z-gradient Echo Detection (CRAZED) experiments,
magnetization is modulated by the distant dipolar field (DDF) generated by coherence …

High-resolution MR spectroscopy via intermolecular double-quantum coherences in inhomogeneous B0 and B1 fields

Y Lin, C Cai, S Cai, J Zhong, Z Chen - Magnetic Resonance Imaging, 2011 - Elsevier
Inhomogeneity in static field B 0 and/or RF field B 1 is inevitable under some circumstances.
In this work, a method based on intermolecular double-quantum coherences is employed for …

Observation of signal dips in iMQC study

Z Chen, S Zhang, S Cai - archive.ismrm.org
The CRAZED-like sequences were qualitatively investigated with the strength of coherence
selection gradients (CSGs) varying from a very small value to a large value. Obvious signal …

Improvement of one-dimensional gradient shimming method in nuclear magnetic resonance experiments

C Xiao, C Cai, Z Chen, Z Chen - 2008 IEEE International …, 2008 - ieeexplore.ieee.org
Nuclear magnetic resonance (NMR) plays an important role in the fields of physics,
chemistry, biology and medicine. The homogeneity of the magnetic field is very significant …