RF power design optimization in MRI system
August 2021
Magnetic resonance image quality and patient safety have been the focus of engineering and research ever since the invention of equipment in the early 1970s. In high field (or ultrahigh field) MRI systems,...
Probing electronic structures of transition metal complexes using electron paramagnetic resonance spectroscopy
February 2023
Electron paramagnetic resonance (EPR) or electron spin resonance (ESR) has been widely employed to characterize transition metal complexes. However, because of the high degree of complexity of transition...
Cloud-magnetic resonance imaging system: In the era of 6G and artificial intelligence
February 2025
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...
Dynamic nuclear polarization and chemically induced hyperpolarization: Progress, mechanisms, and opportunities
August 2025
Nuclear magnetic resonance (NMR) spectroscopy is a powerful and broadly used spectroscopic technique for characterizing molecular structures and dynamics. Yet the power of NMR is restricted by its inherently...
Rapid and quantitative 1D 13C NMR analysis of polypropylene tacticity with relaxation agent and proton polarization transfer
November 2025
Polypropylene (PP) accounts for approximately 28.0% of the global polyolefin market, valued at $243.4 billion in 2022. Known for its lightweight, chemical resistance, cost-effectiveness, high strength...
NMR methods for investigating functionally relevant biomolecular dynamics
November 2025
The dynamics of biomolecules span across a wide range of timescales, reflecting the complexity of free energy landscapes of biomolecules. Among these, the microsecond-to-millisecond (μs–ms) timescale...
Progress in magnetic resonance imaging of the glymphatic system
November 2024
The glymphatic system (GS) is a newly discovered brain anatomy. Its discovery improves our understanding of brain fluid flow and waste removal paths and provides an anatomical basis for the flow of...
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...
19F NMR study of proteins with parallel incorporation of multiple fluorinated aromatic amino acids
August 2025
Although the parallel incorporation of fluorinated aromatic amino acids (FAAAs) into proteins has been explored since 2010, the corresponding 19F NMR investigation has been lacking to date. To assess...
Femtotesla atomic magnetometer for zero- and ultralow-field nuclear magnetic resonance
August 2025
Zero- and ultralow-field nuclear magnetic resonance (ZULF NMR) has experienced rapid development and provides an excellent tool for diverse research fields ranging from materials science and quantum...
Magnetic resonance imaging techniques for lithium-ion batteries: Principles and applications
May 2024
Operando monitoring of internal and local electrochemical processes within lithium-ion batteries (LIBs) is crucial, necessitating a range of non-invasive, real-time imaging characterization techniques...
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,...
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...
Solid-state NMR of vulcanized natural rubber/butadiene rubber blends: Local organization and cross-linking heterogeneities
November 2024
Elastomer blends, among which natural rubber (NR) and butadiene rubber (BR), are involved in many components of the automotive/tire industry. A comprehensive understanding of their mechanical behavior...
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...
Operando NMR methods for studying electrocatalysis
May 2024
The combination of electrochemical measurements with spectroscopic characterizations provides valuable insights into reaction mechanisms. Nuclear magnetic resonance (NMR) spectroscopy, as a powerful...
Passive water exchange between multiple sites can explain why apparent exchange rate constants depend on ionic and osmotic conditions in gray matter
Available online 23 July 2025
Porous materials, such as biological tissue, often have heterogeneous microstructures where imbibed fluid experiences distinct environments on short timescales, but can exchange among different environments...
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,...
Applications of nuclear magnetic resonance in exploring structure and energy storage mechanism of supercapacitors
May 2025
Supercapacitors, comprising electrical double-layer capacitors (EDLCs) and pseudocapacitors, are widely acknowledged as high-power energy storage devices. However, their local structures and fundamental...
Numerical design of transverse gradient coil with transformed magnetic gradient field over an effective imaging area
February 2025
Gradient coil is an essential component of a magnetic resonance imaging (MRI) scanner. To achieve high spatial resolution and imaging speed, a high-efficiency gradient coil with high slew rate is required....
A review of functional MRI application for brain research of Chinese language processing
February 2023
As one of the most widely used languages in the world, Chinese language is distinct from most western languages in many properties, thus providing a unique opportunity for understanding the brain basis...
Fast acquisition of high resolution liquid NMR spectroscopy
Available online 30 June 2025
Nuclear magnetic resonance (NMR) spectroscopy is a powerful tool for analyzing molecular structure and composition. However, traditional NMR experiments suffer from long acquisition times, especially...
Mean pore diameters of 3D printed micro-capillaries using the matrix pencil method
Available online 8 August 2025
The matrix pencil method (MPM) is an approach for quantitative analysis of the multi-exponential time-domain signals from relaxation and diffusion NMR experiments. In contrast to other signal processing...
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...
FlexCENT: A frequency-flexible CEST imaging network combining frequency offset encoding and three-dimensional U-Net
Available online 29 August 2025
This study proposes a deep learning-based method termed frequency-flexible chemical exchange saturation transfer (CEST) imaging network (FlexCENT), which enables robust CEST quantification across variable...