Discontinuous hyperpolarization schemes in liquid-state overhauser dynamic nuclear polarization experiments
Liquid-state Overhauser Dynamic Nuclear Polarization (ODNP) is an emerging technique, aimed at shortening NMR experiment times. It achieves this by increasing the otherwise poor nuclear polarization at room temperature, by polarization transfer from excited electron spins. The present work explores...
Saved in:
| Main Author: | |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2024-12-01
|
| Series: | Journal of Magnetic Resonance Open |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2666441024000153 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1850245234060951552 |
|---|---|
| author | Alex van der Ham |
| author_facet | Alex van der Ham |
| author_sort | Alex van der Ham |
| collection | DOAJ |
| description | Liquid-state Overhauser Dynamic Nuclear Polarization (ODNP) is an emerging technique, aimed at shortening NMR experiment times. It achieves this by increasing the otherwise poor nuclear polarization at room temperature, by polarization transfer from excited electron spins. The present work explores two ideas, aimed at achieving the optimal signal-to-noise per time unit for a given system, and quantitation of spectra showing a large disparity in ODNP enhancements at high magnetic fields (≥ 9.4 T). Both of these ideas are predicated on, perhaps counterintuitively, not allowing full dynamic nuclear polarization to build up, either by rapid rf pulsing, or gating of the microwave irradiation. |
| format | Article |
| id | doaj-art-37822bae8a744116a122399ffb1d0cd0 |
| institution | OA Journals |
| issn | 2666-4410 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Magnetic Resonance Open |
| spelling | doaj-art-37822bae8a744116a122399ffb1d0cd02025-08-20T01:59:31ZengElsevierJournal of Magnetic Resonance Open2666-44102024-12-012110016010.1016/j.jmro.2024.100160Discontinuous hyperpolarization schemes in liquid-state overhauser dynamic nuclear polarization experimentsAlex van der Ham0Max Planck Institute for Multidisciplinary Sciences, Am Faßberg 11, 37077 Göttingen, GermanyLiquid-state Overhauser Dynamic Nuclear Polarization (ODNP) is an emerging technique, aimed at shortening NMR experiment times. It achieves this by increasing the otherwise poor nuclear polarization at room temperature, by polarization transfer from excited electron spins. The present work explores two ideas, aimed at achieving the optimal signal-to-noise per time unit for a given system, and quantitation of spectra showing a large disparity in ODNP enhancements at high magnetic fields (≥ 9.4 T). Both of these ideas are predicated on, perhaps counterintuitively, not allowing full dynamic nuclear polarization to build up, either by rapid rf pulsing, or gating of the microwave irradiation.http://www.sciencedirect.com/science/article/pii/S2666441024000153Dynamic nuclear polarization (dnp)QuantitationMicrowave gating |
| spellingShingle | Alex van der Ham Discontinuous hyperpolarization schemes in liquid-state overhauser dynamic nuclear polarization experiments Journal of Magnetic Resonance Open Dynamic nuclear polarization (dnp) Quantitation Microwave gating |
| title | Discontinuous hyperpolarization schemes in liquid-state overhauser dynamic nuclear polarization experiments |
| title_full | Discontinuous hyperpolarization schemes in liquid-state overhauser dynamic nuclear polarization experiments |
| title_fullStr | Discontinuous hyperpolarization schemes in liquid-state overhauser dynamic nuclear polarization experiments |
| title_full_unstemmed | Discontinuous hyperpolarization schemes in liquid-state overhauser dynamic nuclear polarization experiments |
| title_short | Discontinuous hyperpolarization schemes in liquid-state overhauser dynamic nuclear polarization experiments |
| title_sort | discontinuous hyperpolarization schemes in liquid state overhauser dynamic nuclear polarization experiments |
| topic | Dynamic nuclear polarization (dnp) Quantitation Microwave gating |
| url | http://www.sciencedirect.com/science/article/pii/S2666441024000153 |
| work_keys_str_mv | AT alexvanderham discontinuoushyperpolarizationschemesinliquidstateoverhauserdynamicnuclearpolarizationexperiments |