Miniaturization of NMR systems: Desktop spectrometers, microcoil spectroscopy, and “NMR on a chip” for chemistry, biochemistry, and industry

SS Zalesskiy, E Danieli, B Blumich… - Chemical …, 2014 - ACS Publications
Nuclear magnetic resonance spectroscopy (NMR) nowadays is one of the most powerful
and versatile analytical methods for modern organic chemistry,(1) catalysis,(2) biology,(3) …

Nuclear magnetic resonance multiphase flowmeters: Current status and future prospects

M Zargar, ML Johns, JM Al**dan… - SPE Production & …, 2021 - onepetro.org
Multiphase flowmetering is a requirement across a range of process industries, particularly
those that pertain to oil and gas. Generally, both the composition and individual phase …

The MR cap: a single‐sided MRI system designed for potential point‐of‐care limited field‐of‐view brain imaging

PC McDaniel, CZ Cooley… - Magnetic resonance …, 2019 - Wiley Online Library
Purpose The size, cost, and siting requirements of conventional MRI systems limit their
availability and preclude usage as monitoring or point‐of‐care devices. To address this, we …

Power-efficient ELF wireless communications using electro-mechanical transmitters

JS Glickstein, J Liang, S Choi, A Madanayake… - IEEE …, 2019 - ieeexplore.ieee.org
Ultra-miniaturized and highly power-efficient ELF (0.3-3 kHz) transmitters are desirable for
underground and undersea wireless communications. This paper proposes the use of …

Authentication of medicines using nuclear quadrupole resonance spectroscopy

C Chen, F Zhang, J Barras, K Althoefer… - … ACM transactions on …, 2015 - ieeexplore.ieee.org
The production and sale of counterfeit and substandard pharmaceutical products, such as
essential medicines, is an important global public health problem. We describe a …

Transmit array spatial encoding (TRASE) using broadband WURST pulses for RF spatial encoding in inhomogeneous B0 fields

JP Stockmann, CZ Cooley, B Guerin, MS Rosen… - Journal of Magnetic …, 2016 - Elsevier
Abstract Transmit Array Spatial Encoding (TRASE) is a promising new MR encoding method
that uses transmit RF (B 1+) phase gradients over the field-of-view to perform Fourier spatial …

A resistive Q-switch for low-field NMR systems

JZ Zhen, KT O'Neill, EO Fridjonsson, PL Stanwix… - Journal of Magnetic …, 2018 - Elsevier
An NMR Q-switch was designed and constructed specifically for use with low-field NMR
apparatus. This featured a comparatively simple resistive dam** design. It served to …

An irregular-shaped inward-outward ring-pair magnet array with a monotonic field gradient for 2D head imaging in low-field portable MRI

ZH Ren, J Gong, SY Huang - IEEE Access, 2019 - ieeexplore.ieee.org
We present a design and the optimization of an irregular-shaped inward-outward (IO) ring-
pair magnet array that generates a 1D monotonic field pattern for 2D head imaging in a low …

Analytical models of probe dynamics effects on NMR measurements

M Greer, D Ariando, M Hurlimann, YQ Song… - Journal of Magnetic …, 2021 - Elsevier
This paper provides a detailed analysis of three common NMR probe circuits (untuned,
tuned, and impedance-matched) and studies their effects on multi-pulse experiments, such …

The Nuclear Magnetic Flowmeter for Monitoring the Consumption and Composition of Oil and Its Complex Mixtures in Real-Time

R Davydov, V Davydov, V Dudkin - Energies, 2022 - mdpi.com
The necessity of increasing the efficiency of primary oil purification in a drilling station or an
offshore platform has been substantiated. We consider the problems that arise during the …