Recent advances in benchtop NMR spectroscopy and its applications

T Castaing-Cordier, D Bouillaud, J Farjon… - Annual Reports on NMR …, 2021 - Elsevier
Benchtop NMR spectroscopy has known a major growth over the last decade, thanks to the
design of permanent, compact magnets in the 1–2 T range, that provide remarkable …

Catalyst-Free Aqueous Hyperpolarized [1-13C]Pyruvate Obtained by Re-Dissolution Signal Amplification by Reversible Exchange

AB Schmidt, H de Maissin, I Adelabu, S Nantogma… - ACS …, 2022 - ACS Publications
Despite great successes in oncology, patient outcomes are often still discouraging, and
hence the diagnostic imaging paradigm is increasingly shifting toward functional imaging 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-Polarized Fumarate for Preclinical in Vivo Metabolic Magnetic Resonance Imaging

M Gierse, L Nagel, M Keim, S Lucas… - Journal of the …, 2023 - ACS Publications
We present a versatile method for the preparation of hyperpolarized [1-13C] fumarate as a
contrast agent for preclinical in vivo MRI, using parahydrogen-induced polarization (PHIP) …

Advancing homogeneous catalysis for parahydrogen-derived hyperpolarisation and its NMR applications

BJ Tickner, VV Zhivonitko - Chemical Science, 2022 - pubs.rsc.org
Parahydrogen-induced polarisation (PHIP) is a nuclear spin hyperpolarisation technique
employed to enhance NMR signals for a wide range of molecules. This is achieved by …

Low-cost high-pressure clinical-scale 50% parahydrogen generator using liquid nitrogen at 77 K

B Chapman, B Joalland, C Meersman… - Analytical …, 2021 - ACS Publications
We report on a robust and low-cost parahydrogen generator design employing liquid
nitrogen as a coolant. The core of the generator consists of catalyst-filled spiral copper …

Clinical-scale production of nearly pure (> 98.5%) parahydrogen and quantification by benchtop NMR spectroscopy

S Nantogma, B Joalland, K Wilkens… - Analytical …, 2021 - ACS Publications
Because of the extensive chemical, physical, and biomedical applications of parahydrogen,
the need exists for the development of highly enriched parahydrogen in a robust and …

Chemical reaction monitoring using zero‐field nuclear magnetic resonance enables study of heterogeneous samples in metal containers

DB Burueva, J Eills, JW Blanchard… - Angewandte Chemie …, 2020 - Wiley Online Library
We demonstrate that heterogeneous/biphasic chemical reactions can be monitored with
high spectroscopic resolution using zero‐field nuclear magnetic resonance spectroscopy …

PHIP hyperpolarized [1-13C]pyruvate and [1-13C]acetate esters via PH-INEPT polarization transfer monitored by 13C NMR and MRI

A Svyatova, VP Kozinenko, NV Chukanov… - Scientific Reports, 2021 - nature.com
Parahydrogen-induced polarization of 13C nuclei by side-arm hydrogenation (PHIP-SAH)
for [1-13C] acetate and [1-13C] pyruvate esters with application of PH-INEPT-type pulse …

Quasi-continuous production of highly hyperpolarized carbon-13 contrast agents every 15 seconds within an MRI system

AB Schmidt, M Zimmermann, S Berner… - Communications …, 2022 - nature.com
Hyperpolarized contrast agents (HyCAs) have enabled unprecedented magnetic resonance
imaging (MRI) of metabolism and pH in vivo. Producing HyCAs with currently available …