In Vivo Metabolic Imaging of [1‐13C]Pyruvate‐d3 Hyperpolarized By Reversible Exchange With Parahydrogen**

H de Maissin, PR Groß, O Mohiuddin… - Angewandte Chemie …, 2023 - Wiley Online Library
Metabolic magnetic resonance imaging (MRI) using hyperpolarized (HP) pyruvate is
becoming a non‐invasive technique for diagnosing, staging, and monitoring response to …

Missing pieces in structure puzzles: How hyperpolarized NMR spectroscopy can complement structural biology and biochemistry

M Negroni, D Kurzbach - ChemBioChem, 2023 - Wiley Online Library
Abstract Structure determination lies at the heart of many biochemical research programs.
However, the “giants”: X‐ray diffraction, electron microscopy, molecular dynamics …

LIGHT-SABRE Hyperpolarizes 1-13C-Pyruvate Continuously without Magnetic Field Cycling

AN Pravdivtsev, K Buckenmaier, N Kempf… - The Journal of …, 2023 - ACS Publications
Nuclear spin hyperpolarization enables real-time observation of metabolism and
intermolecular interactions in vivo. 1-13C-pyruvate is the leading hyperpolarized tracer …

Through-space multinuclear magnetic resonance signal enhancement induced by parahydrogen and radiofrequency amplification by stimulated emission of radiation

OG Salnikov, IA Trofimov, AN Pravdivtsev… - Analytical …, 2022 - ACS Publications
Hyperpolarized (ie, polarized far beyond the thermal equilibrium) nuclear spins can result in
the radiofrequency amplification by stimulated emission of radiation (RASER) effect. Here …

Spying on parahydrogen-induced polarization transfer using a half-tesla benchtop MRI and hyperpolarized imaging enabled by automation

F Ellermann, A Sirbu, A Brahms, C Assaf… - Nature …, 2023 - nature.com
Nuclear spin hyperpolarization is a quantum effect that enhances the nuclear magnetic
resonance signal by several orders of magnitude and has enabled real-time metabolic …

Radio-frequency sweeps at microtesla fields for parahydrogen-induced polarization of biomolecules

A Marshall, A Salhov, M Gierse, C Müller… - The Journal of …, 2023 - ACS Publications
Magnetic resonance imaging of 13C-labeled metabolites enhanced by parahydrogen-
induced polarization (PHIP) enables real-time monitoring of processes within the body. We …

J Coupling Constants of <1 Hz Enable 13C Hyperpolarization of Pyruvate via Reversible Exchange of Parahydrogen

CD Assaf, X Gui, AA Auer, SB Duckett… - The Journal of …, 2024 - ACS Publications
Observing pyruvate metabolism in vivo has become a focal point of molecular magnetic
resonance imaging. Signal amplification by reversible exchange (SABRE) has recently …

Nuclear spin polarization of lactic acid via exchange of parahydrogen-polarized protons

K Them, J Kuhn, AN Pravdivtsev… - Communications …, 2024 - nature.com
Hyperpolarization has become a powerful tool to enhance the sensitivity of magnetic
resonance. A universal tool to hyperpolarize small molecules in solution, however, has not …

Parahydrogen-induced polarization and spin order transfer in ethyl pyruvate at high magnetic fields

AN Pravdivtsev, A Brahms, F Ellermann, T Stamp… - Scientific reports, 2022 - nature.com
Nuclear magnetic resonance has experienced great advances in developing and translating
hyperpolarization methods into procedures for fundamental and clinical studies. Here, we …

Rapid in situ carbon-13 hyperpolarization and imaging of acetate and pyruvate esters without external polarizer

O Mohiuddin, H de Maissin, AN Pravdivtsev… - Communications …, 2024 - nature.com
Hyperpolarized 13C MRI visualizes real-time metabolic processes in vivo. In this study, we
achieved high 13C polarization in situ in the bore of an MRI system for precursor molecules …