Hyperpolarized NMR Spectroscopy: d‐DNP, PHIP, and SABRE Techniques

KV Kovtunov, EV Pokochueva… - Chemistry–An Asian …, 2018‏ - Wiley Online Library
The intensity of NMR signals can be enhanced by several orders of magnitude by using
various techniques for the hyperpolarization of different molecules. Such approaches can …

Singlet nuclear magnetic resonance

MH Levitt - Annual review of physical chemistry, 2012‏ - annualreviews.org
Nuclear singlet states may have lifetimes that are much longer than the conventional
relaxation time of nuclear spin magnetization. This review covers how these states may be …

[کتاب][B] Nuclear spin relaxation in liquids: theory, experiments, and applications

J Kowalewski, L Maler - 2017‏ - taylorfrancis.com
Nuclear magnetic resonance (NMR) is widely used across many fields of science because
of the rich data it produces, and some of the most valuable data come from studies of …

Instrumentation for hydrogenative parahydrogen-based hyperpolarization techniques

AB Schmidt, CR Bowers, K Buckenmaier… - Analytical …, 2022‏ - ACS Publications
The unique properties of the entangled, antisymmetric nuclear spin state of dihydrogen,
parahydrogen (pH2), has intrigued physicists, chemists, and other scientists for almost a …

Parahydrogen-enhanced zero-field nuclear magnetic resonance

T Theis, P Ganssle, G Kervern, S Knappe, J Kitching… - Nature Physics, 2011‏ - nature.com
Nuclear magnetic resonance, conventionally detected in magnetic fields of several tesla, is a
powerful analytical tool for the determination of molecular identity, structure and function …

Hyperpolarization of 13C through order transfer from parahydrogen: a new contrast agent for MRI

M Goldman, H Jóhannesson, O Axelsson… - Magnetic resonance …, 2005‏ - Elsevier
The order within proton pairs in organic molecules, resulting from hydrogenation with
parahydrogen, can be transferred in great part to nearby carbon 13 spins through adequate …

Facile removal of homogeneous SABRE catalysts for purifying hyperpolarized metronidazole, a potential hypoxia sensor

BE Kidd, JL Gesiorski, ME Gemeinhardt… - The Journal of …, 2018‏ - ACS Publications
Here, we report a simple and effective method to remove IrIMes homogeneous polarization
transfer catalysts from solutions where NMR signal amplification by reversible exchange …

Transfer of para-hydrogen spin order into polarization by diabatic field cycling

H Jóhannesson, O Axelsson… - Comptes …, 2004‏ - comptes-rendus.academie-sciences …
In a para-hydrogen induced polarization (PHIP) experiment, it is possible to obtain a
substantial net polarization of a hetero nucleus using a diabatic field cycling scheme. This is …

Strong 31 P nuclear spin hyperpolarization produced via reversible chemical interaction with parahydrogen

VV Zhivonitko, IV Skovpin, IV Koptyug - Chemical Communications, 2015‏ - pubs.rsc.org
Substantial 31P NMR signal enhancement of more than two orders of magnitude at 7 T for
free and bound PPh3 species was observed under reversible interaction of (PPh3) 3Ir (H2) …

[HTML][HTML] Ultrafast methods for relaxation and diffusion

VV Telkki, M Urbańczyk, V Zhivonitko - Progress in Nuclear Magnetic …, 2021‏ - Elsevier
Relaxation and diffusion NMR measurements offer an approach to studying rotational and
translational motion of molecules non-invasively, and they also provide chemical resolution …