Progress in in-situ electrochemical nuclear magnetic resonance for battery research
May 2024
A thorough understanding of the fundamental electrochemical and chemical processes in batteries is crucial to advancing energy density and power density. However, the characterizations of such processes...
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A review of 17O isotopic labeling techniques for solid-state NMR structural studies of metal oxides in lithium-ion batteries
May 2024
Recent advances in utilizing 17O isotopic labeling methods for solid-state nuclear magnetic resonance (NMR) investigations of metal oxides for lithium-ion batteries have yielded extensive insights into...
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Cloud-magnetic resonance imaging system: In the era of 6G and artificial intelligence
Available online 30 May 2024
Magnetic resonance imaging (MRI) plays an important role in medical diagnosis, generating petabytes of image data annually in large hospitals. This voluminous data stream requires a significant amount...
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Spontaneous increasing of sensitivity and resolution in parahydrogen-induced hyperpolarization by RASER
Available online 24 May 2024
Enhancing the sensitivity of nuclear magnetic resonance (NMR) technology has been the focus of NMR research for decades, which offers the potential to significantly expand its applications in chemistry,...
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In-cell dehydration of sodium manganese hexacyanoferrate cathode revealed by solid-state NMR
Available online 7 May 2024
The hard-to-remove lattice water has been regarded as a significant obstacle impeding the practical use of Prussian blue analogue cathodes for sodium-ion batteries. This work monitored the electrochemical...
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Fast T1 mapping MRI in preclinical and clinical settings using subspace-constrained joint-domain reconstructions
Available online 27 April 2024
This work aims to develop fast T1 mapping methods for preclinical and clinical scanners based on subspace-constrained reconstructions. Two sequences are explored for rapid T1 characterizations: 1) Interleaved...
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Advances in solid-state NMR methods for studying RNA structures and dynamics
Available online 26 April 2024
Ribonucleic acid (RNA) structures and dynamics play a crucial role in elucidating RNA functions and facilitating the design of drugs targeting RNA and RNA-protein complexes. However, obtaining RNA structures...
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Unexpected temperature dependence of 1H paramagnetic shift in MAS NMR of nickelocene
Available online 27 March 2024
This work revisits the temperature dependence of 1H paramagnetic shift in nickelocene as a potential nuclear magnetic resonance (NMR) thermometer under fast magic angle spinning (MAS) rate. Surprisingly,...
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Diffusion tractography of kidney by high angular resolution diffusion imaging
Available online 24 March 2024
Diffusion magnetic resonance imaging (MRI) has been utilized to probe the renal microstructures but investigating the three-dimensional (3D) tubular network still presents significant challenges due...
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Gradient coil design with enhanced shielding constraint for a cryogen-free superconducting MRI system
February 2024
The relatively fragile low-temperature stability of cryogen-free superconducting magnetic resonance imaging (MRI) magnets requires the careful management of exogenous heat sources. A strongly shielded...
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Experimental aspects of 14N overtone RESPDOR solid-state NMR spectroscopy under MAS beyond 60 kHz
February 2024
Nitrogen-14 (14N) overtone (OT) spectroscopy under fast magic angle spinning (MAS) conditions (>60 kHz) has emerged as a powerful technique for observing correlations and distances between 14N and 1H,...
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A study on the temperature sensitivity of NMR porosity in porous media based on the intensity of magnetization
February 2024
The measurement of nuclear magnetic resonance (NMR) porosity is affected by temperature. Without considering the impact of NMR logging tools, this phenomenon is mainly caused by variations in magnetization...
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Qualitative analysis of aromatic compounds via 1D TOCSY techniques
February 2024
The aromatic compounds, including o-xylene, m-xylene, p-xylene, and ethylbenzene, primarily originate from the catalytic reforming of crude oil, and have a wide variety of applications. However, because...
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Multinuclear MR and MRI study of lithium-ion cells using a variable field magnet and a fixed frequency RF probe
February 2024
An exploratory multinuclear magnetic resonance (MR) and magnetic resonance imaging (MRI) study was performed on lithium-ion battery cells with 7Li, 19F, and 1H measurements. A variable field superconducting...
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Rheo-NMR: A versatile hyphenated technique for capturing molecular dynamics and structure under flow
February 2024
The general development of Rheo-NMR during the last four decades as well as selective hyphenated apparatuses is presented. Based on different magnet types, the current review is divided into two categories,...
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Enantiodifferentiation of chiral diols and diphenols via recognition-enabled chromatographic 19F NMR
Available online 15 February 2024
A novel and efficient method for distinguishing between chiral diols and diphenols has been established through the use of 19F NMR spectroscopy. Central to this system's efficacy is a chiral amine,...
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The parallel-plate resonator: An RF probe for MR and MRI studies over a wide frequency range
November 2023
We explore the use of the parallel-plate resonator for the study of thin cuboid samples over a wide range of magnetic resonance frequencies. The parallel-plate resonator functions at frequencies from...
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Probing microstructure of solid-state synthesized LiCoO2 with MAS NMR spectroscopy
November 2023
LiCoO2 is an important category of active cathode materials in lithium-ion batteries due to its high compacted electrode density, good thermal stability, and stable voltage platform. Recent works on...
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Using NMR-detected hydrogen-deuterium exchange to quantify protein stability in cosolutes, under crowded conditions in vitro and in cells
November 2023
We review the use of nuclear magnetic resonance (NMR) spectroscopy to assess the exchange of amide protons for deuterons (HDX) in efforts to understand how high concentration of cosolutes, especially...
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Non-invasive assessment for intratumoural distribution of interstitial fluid flow
November 2023
Interstitial fluid plays a vital role in drug delivery and tumour treatment. However, few non-invasive measurement methods are available for measuring low-velocity biological fluid flow. Therefore,...
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1H and 13C NMR spectral assignments for low-concentration bile acids in biological samples
November 2023
Bile acids are the main body of enterohepatic circulation in vivo. They have essential functions such as emulsifying fat, bacteriostasis and regulating multiple metabolic pathways as signal molecules....
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