ArticleChemistry (Weinheim an der Bergstrasse, Germany)2022
Observing Nearby Nuclei on Paramagnetic Trityls and MOFs via DNP and Electron Decoupling.
Article in Chemistry (Weinheim an der Bergstrasse, Germany), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
5 citing papers in PubMed.
- Water-generated dangling linkers in a metal-organic framework.Nature communications · 2026Article
- Hypershifted spin spectroscopy with dynamic nuclear polarization at 1.4 K.Science advances · 2024Article
- Frequency-Chirped Magic Angle Spinning Dynamic Nuclear Polarization Combined with Electron Decoupling.The journal of physical chemistry letters · 2024Article
- A focus on applyingChemical science · 2024Article
- Observing Nearby Nuclei on Paramagnetic Trityls and MOFs via DNP and Electron Decoupling.Chemistry (Weinheim an der Bergstrasse, Germany) · 2022Article
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Authors and funding
7 authors.
Funding
Abstract
Dynamic nuclear polarization (DNP) is an NMR sensitivity enhancement technique that mediates polarization transfer from unpaired electrons to NMR-active nuclei. Despite its success in elucidating important structural information on biological and inorganic materials, the detailed polarization-transfer pathway from the electrons to the nearby and then the bulk solvent nuclei, and finally to the molecules of interest-remains unclear. In particular, the nuclei in the paramagnetic polarizing agent play significant roles in relaying the enhanced NMR polarizations to more remote nuclei. Despite their importance, the direct NMR observation of these nuclei is challenging because of poor sensitivity. Here, we show that a combined DNP and electron decoupling approach can facilitate direct NMR detection of these nuclei. We achieved an ∼80 % improvement in NMR intensity via electron decoupling at 0.35 T and 80 K on trityl radicals. Moreover, we recorded a DNP enhancement factor of
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