Articles with "chemical shift" as a keyword



Photo from wikipedia

Chemical‐Shift Perturbations Reflect Bile Acid Binding to Norovirus Coat Protein: Recognition Comes in Different Flavors

Sign Up to like & get
recommendations!
Published in 2019 at "Chembiochem"

DOI: 10.1002/cbic.201900572

Abstract: Bile acids have been reported as important cofactors promoting human and murine norovirus (NoV) infections in cell culture. The underlying mechanisms are not resolved. Through the use of chemical shift perturbation (CSP) NMR experiments, we… read more here.

Keywords: coat protein; chemical shift; acid binding; acid ... See more keywords
Photo by a2eorigins from unsplash

Paraspinal Muscle in Chronic Low Back Pain: Comparison Between Standard Parameters and Chemical Shift Encoding‐Based Water–Fat MRI

Sign Up to like & get
recommendations!
Published in 2022 at "Journal of Magnetic Resonance Imaging"

DOI: 10.1002/jmri.28145

Abstract: Paraspinal musculature (PSM) is increasingly recognized as a contributor to low back pain (LBP), but with conventional MRI sequences, assessment is limited. Chemical shift encoding‐based water–fat MRI (CSE‐MRI) enables the measurement of PSM fat fraction… read more here.

Keywords: chemical shift; shift encoding; based water; encoding based ... See more keywords
Photo from wikipedia

Determination of the 15N chemical shift anisotropy in natural abundance samples by proton‐detected 3D solid‐state NMR under ultrafast MAS of 70 kHz

Sign Up to like & get
recommendations!
Published in 2019 at "Magnetic Resonance in Chemistry"

DOI: 10.1002/mrc.4841

Abstract: Chemical shift anisotropy (CSA) is a sensitive probe of electronic environment at a nucleus, and thus, it offers deeper insights into detailed structural and dynamic properties of different systems, for example, chemical, biological, and materials.… read more here.

Keywords: khz; chemical shift; ultrafast mas; 15n csa ... See more keywords
Photo by miguelherc96 from unsplash

Errors in DFT integration grids and their potential impact on chemical shift calculations

Sign Up to like & get
recommendations!
Published in 2019 at "Magnetic Resonance in Chemistry"

DOI: 10.1002/mrc.4940

Abstract: Quantum chemical methods are often employed to estimate the shielding tensors and magnetic susceptibilities of nuclei in a system, chief among these techniques being density functional theory (DFT). In the estimation of chemical shift and… read more here.

Keywords: integration; free energies; integration grids; chemical shift ... See more keywords
Photo from wikipedia

Reproducibility of quantitative indices of lung function and microstructure from 129Xe chemical shift saturation recovery (CSSR) MR spectroscopy

Sign Up to like & get
recommendations!
Published in 2017 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.26310

Abstract: To evaluate the reproducibility of indices of lung microstructure and function derived from 129Xe chemical shift saturation recovery (CSSR) spectroscopy in healthy volunteers and patients with chronic obstructive pulmonary disease (COPD), and to study the… read more here.

Keywords: chemical shift; saturation recovery; indices lung; shift saturation ... See more keywords
Photo from wikipedia

Chemical Shift magnetization transfer magnetic resonance imaging

Sign Up to like & get
recommendations!
Published in 2017 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.26383

Abstract: The purpose of this work was to develop a chemical shift magnetization transfer (CSMT) magnetic resonance imaging (MRI) method to provide accurate magnetization transfer ratio (MTR) measurements in the presence of fat. read more here.

Keywords: magnetic resonance; magnetization transfer; chemical shift;
Photo by a2eorigins from unsplash

Improving chemical shift encoding‐based water–fat separation based on a detailed consideration of magnetic field contributions

Sign Up to like & get
recommendations!
Published in 2018 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.27097

Abstract: To improve the robustness of existing chemical shift encoding‐based water–fat separation methods by incorporating a priori information of the magnetic field distortions in complex‐based water–fat separation. read more here.

Keywords: fat separation; based water; water fat; chemical shift ... See more keywords
Photo by scentspiracy from unsplash

Regional investigation of lung function and microstructure parameters by localized 129Xe chemical shift saturation recovery and dissolved‐phase imaging: A reproducibility study

Sign Up to like & get
recommendations!
Published in 2019 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.27407

Abstract: To evaluate the reproducibility and regional variation of parameters obtained from localized 129Xe chemical shift saturation recovery (CSSR) MR spectroscopy in healthy volunteers and patients with chronic obstructive pulmonary disease (COPD) and to compare the… read more here.

Keywords: dissolved phase; chemical shift; localized 129xe; saturation recovery ... See more keywords
Photo from wikipedia

Addressing concomitant gradient phase errors in time‐interleaved chemical shift‐encoded MRI fat fraction and R2* mapping with a pass‐specific phase fitting method

Sign Up to like & get
recommendations!
Published in 2022 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.29175

Abstract: Concomitant gradients induce phase errors that increase quadratically with distance from isocenter. This work proposes a complex‐based fitting method that addresses concomitant gradient phase errors in chemical shift encoded (CSE) MRI estimation of proton density… read more here.

Keywords: phase errors; gradient phase; chemical shift; fitting method ... See more keywords
Photo from wikipedia

Accelerating multi‐echo chemical shift encoded water–fat MRI using model‐guided deep learning

Sign Up to like & get
recommendations!
Published in 2022 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.29307

Abstract: To accelerate chemical shift encoded (CSE) water–fat imaging by applying a model‐guided deep learning water–fat separation (MGDL‐WF) framework to the undersampled k‐space data. read more here.

Keywords: chemical shift; model guided; water; guided deep ... See more keywords
Photo by miguelherc96 from unsplash

Absolute thermometry using hyperpolarized 129Xe free‐induction decay and spin‐echo chemical‐shift imaging in rats

Sign Up to like & get
recommendations!
Published in 2022 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.29455

Abstract: To implement and test variants of chemical shift imaging (CSI) acquiring both free induction decays (FIDs) showing all dissolved‐phase compartments and spin echoes for specifically assessing 129$$ {}^{129} $$ Xe in lipids in order to… read more here.

Keywords: spin; free induction; chemical shift; shift imaging ... See more keywords