Revealing structure correlation between ionic liquid and metal-organic framework matrix
Available online 3 January 2024
Solid-state batteries are rising rapidly in response to the fast-increasing energy demand. Metal-organic framework (MOF) loaded with ionic liquids has brought new opportunities for solid-state batteries...
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Solid-state NMR study on sodium intercalation at low voltage window for Na3V2(PO4)3 as an anode
Available online 27 December 2023
In-situ XRD, 31P NMR and 23Na NMR were used to analyze the interaction behavior of Na3V2(PO4)3 at low voltage, and then a new intercalation model was proposed. During the transition from Na3V2(PO4)3...
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Structure and ion transport properties of organic ionic compounds revealed by NMR
Available online 18 December 2023
Organic ionic plastic crystals (OIPCs) are emerging as an important material family for solid-state electrolytes and many other applications. They have significant advantages over conventional electrolyte...
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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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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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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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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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Overview and progress of X-nuclei magnetic resonance imaging in biomedical studies
November 2023
Proton nuclear (1H) is the observed nucleus on which most magnetic resonance imaging (MRI) applications depend. Most traditional 1H MRI can provide structural and functional information about organisms,...
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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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Dipolar NMR relaxation of adsorbates on surfaces of controlled wettability
August 2023
In reservoir rocks, the term “ageing” refers to extended exposition to crude oil; a typically water-wet sandstone will then gradually become oil-wet as a consequence of the deposition of insoluble fractions...
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The NMR core analyzing tomograph: a multi-functional tool for non-destructive testing of building materials
August 2023
NMR is becoming increasingly popular for the investigation of building materials as it is a non-invasive technology that does not require any sample preparation nor causes damage to the material. Depending...
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Radicals on the silica surface: probes for studying dynamics by means of fast field cycling relaxometry and dynamic nuclear polarization
August 2023
Determining the dynamics of adsorbed liquids on nanoporous materials is crucial for a detailed understanding of interactions and processes on the solid-liquid interface in many materials and porous...
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A potential NMR-based wettability index using free induction decay for rocks
August 2023
The wettability of reservoir rocks saturated with oil and water is one of the most important factors influencing petrophysics and oil recovery. Minerals with different wettability constitute the overall...
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Functional group resolved NMR relaxation of 3-carbon adsorbates in mesoporous alumina
August 2023
NMR relaxation analysis provides a unique and non-invasive probe of fluid dynamics within porous materials, and may be applied to the interpretation of a wide variety of material and interfacial characteristics....
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On the sampling strategies and models for measuring diffusion exchange with a double diffusion encoding sequence
August 2023
Water exchange between the different compartments of a heterogeneous specimen can be characterized via diffusion magnetic resonance imaging (dMRI). Many analysis frameworks using dMRI data have been...
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Diffusivity-limited q-space trajectory imaging
May 2023
Q-space trajectory imaging (QTI) allows non-invasive estimation of microstructural features of heterogeneous porous media via diffusion magnetic resonance imaging performed with generalised gradient...
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Solid-state NMR spectroscopy at ultrahigh resolution for structural and dynamical studies of MOFs
May 2023
To characterize the structure and dynamics of metal–-organic frameworks (MOFs) in-depth at the molecular level, it is necessary to pursue high-resolution solid-state magic angle spinning (MAS) nuclear...
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Binary fluids in mesoporous materials: Phase separation studied by NMR relaxation and diffusion
May 2023
Relaxation and diffusion measurements were carried out on single and binary liquids filling the pore space of controlled porous glass Vycor with an average pore size of about 4 nm. The dispersion of...
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NMR relaxation and diffusion studies to probe the motional dynamics of risperidone within PLGA microsphere
May 2023
The present study aims to investigate the motional dynamics of risperidone within polylactic co-glycolic acid (PLGA) microsphere by employing solution state 1H and 19F nuclear magnetic resonance (NMR)...
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Low-field, high-gradient NMR shows diffusion contrast consistent with localization or motional averaging of water near surfaces
May 2023
Nuclear magnetic resonance (NMR) measurements of water diffusion have been extensively used to probe microstructure in porous materials, such as biological tissue, however primarily using pulsed gradient...
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Numerical simulation study on the effect of temperature on the restricted diffusion in porous media
May 2023
It is of great significance to study how temperature affects the restricted diffusion in pores for an accurate evaluation of reservoir physical properties by using nuclear magnetic resonance (NMR) diffusion-transverse...
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Advanced surface coil layout with intrinsic noise cancellation properties for surface-NMR applications
May 2023
A recent study demonstrated that in small-scale prepolarized surface nuclear magnetic resonance (SNMR-PP) measurements with a footprint of a few square meters, customized PP switch-off ramps can serve...
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23Na relaxometry: An overview of theory and applications
May 2023
23Na is a nuclear magnetic resonance (NMR)-active isotope with a nuclear spin quantum number of 3/2. 23Na relaxation phenomenon is at the core of 23Na NMR measurement and analysis. Due to the dominance...
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