Issue 20, 2022

Recent advances in the application of parahydrogen in catalysis and biochemistry

Abstract

Nuclear Magnetic Resonance (NMR) spectroscopy and Magnetic Resonance Imaging (MRI) are analytical and diagnostic tools that are essential for a very broad field of applications, ranging from chemical analytics, to non-destructive testing of materials and the investigation of molecular dynamics, to in vivo medical diagnostics and drug research. One of the major challenges in their application to many problems is the inherent low sensitivity of magnetic resonance, which results from the small energy-differences of the nuclear spin-states. At thermal equilibrium at room temperature the normalized population difference of the spin-states, called the Boltzmann polarization, is only on the order of 10−5. Parahydrogen induced polarization (PHIP) is an efficient and cost-effective hyperpolarization method, which has widespread applications in Chemistry, Physics, Biochemistry, Biophysics, and Medical Imaging. PHIP creates its signal-enhancements by means of a reversible (SABRE) or irreversible (classic PHIP) chemical reaction between the parahydrogen, a catalyst, and a substrate. Here, we first give a short overview about parahydrogen-based hyperpolarization techniques and then review the current literature on method developments and applications of various flavors of the PHIP experiment.

Graphical abstract: Recent advances in the application of parahydrogen in catalysis and biochemistry

Article information

Article type
Review Article
Submitted
28 თებ 2022
Accepted
23 მარ 2022
First published
26 აპრ 2022
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2022,12, 12477-12506

Recent advances in the application of parahydrogen in catalysis and biochemistry

G. Buntkowsky, F. Theiss, J. Lins, Y. A. Miloslavina, L. Wienands, A. Kiryutin and A. Yurkovskaya, RSC Adv., 2022, 12, 12477 DOI: 10.1039/D2RA01346K

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