Para hydrogen induced polarization in hydrogenation reactions

TL;DR: Gas-phase heterogeneous hydrogenation of epoxides over Pt, Pd, and Rh catalysts was investigated using parahydrogen-induced polarization, revealing distinct mechanisms and product distributions for saturated and unsaturated epoxides, with Pd/TiO2 showing unique catalytic activity under inert atmosphere.

TL;DR: Hyperpolarized solutions passing through metallic components can experience nonadiabatic losses, leading to magnetization destruction, which is unpredictable and dependent on various factors, but can be suppressed by external fields of 0.1-10 mT.

TL;DR: In this paper, the use of SABRE as a hyperpolarization technique in NMR spectroscopy is described. But the authors focus on a specific application, either for the study of reaction mechanisms around a metal center or for medical imaging.

TL;DR: This work proposes to use the relaxation of Long-Lived States (LLS) for drug screening by NMR, and experimentally demonstrates that it is possible to measure dissociation constants KD as large as 12 mM, corresponding to very weak binding, where most other biophysical techniques fail, including other NMR methods based on the observation of ligands.