ArticleJournal of the American Chemical Society2020
Microsecond Exchange Processes Studied by Two-Dimensional ESR at 95 GHz.
Article in Journal of the American Chemical Society, 2020. 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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5 citing papers in PubMed.
- Axially Chiral Bifluorenylidene Radical Anions with Long Spin-Lattice Relaxation Times at Room Temperature in Fluid Solution.Journal of the American Chemical Society · 2026Article
- High-frequency high-power DNP/EPR spectrometer operating at 7 T magnetic field.Journal of magnetic resonance (San Diego, Calif. : 1997) · 2024Article
- Time-Frequency Analysis of Two-Dimensional Electron Spin Resonance Signals.The journal of physical chemistry. A · 2023Article
- Single-pulse terahertz spectroscopy monitoring sub-millisecond time dynamics at a rate of 50 kHz.Nature communications · 2023Article
- Microsecond dynamics in proteins by two-dimensional ESR. II. Addressing computational challenges.The Journal of chemical physics · 2021Article
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6 authors.
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Abstract
Exchange processes which include conformational change, protonation/deprotonation, and binding equilibria are routinely studied by 2D exchange NMR techniques, where information about the exchange of nuclei between environments with different NMR shifts is obtained from the development of cross-peaks. Whereas 2D NMR enables the real time study of millisecond and slower exchange processes, 2D ESR in the form of 2D-ELDOR (two-dimensional electron-electron double resonance) has the potential for such studies over the nanosecond to microsecond real time scales. Cross-peak development due to chemical exchange has been seen previously for semiquinones in ESR, but this is not possible for most common ESR probes, such as nitroxides, studied at typical ESR frequencies because, unlike NMR, the exchanging states yield ESR signals that are not resolved from each other within their respective line widths. But at 95 GHz, it becomes possible to resolve them in many cases because of the increased
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