Articles | Volume 2, issue 1
Magn. Reson., 2, 117–128, 2021
https://doi.org/10.5194/mr-2-117-2021
Magn. Reson., 2, 117–128, 2021
https://doi.org/10.5194/mr-2-117-2021

Research article 12 Apr 2021

Research article | 12 Apr 2021

Overhauser dynamic nuclear polarization (ODNP)-enhanced two-dimensional proton NMR spectroscopy at low magnetic fields

Timothy J. Keller and Thorsten Maly

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Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on mr-2021-11', Anonymous Referee #1, 13 Feb 2021
    • AC1: 'Reply on RC1', Thorsten Maly, 08 Mar 2021
  • RC2: 'Comment on mr-2021-11', Gunnar Jeschke, 22 Feb 2021
    • AC2: 'Reply on RC2', Thorsten Maly, 08 Mar 2021

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Thorsten Maly on behalf of the Authors (22 Mar 2021)  Author's response    Author's tracked changes    Manuscript
ED: Referee Nomination & Report Request started (23 Mar 2021) by Patrick Giraudeau
RR by Gunnar Jeschke (23 Mar 2021)
ED: Publish as is (23 Mar 2021) by Patrick Giraudeau
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Short summary
Typically, low-field Overhauser dynamic nuclear polarization (ODNP) experiments are 1D NMR experiments to study hydration dynamics. Here, we demonstrate the application of ODNP-enhanced 2D J-resolved (JRES) spectroscopy to improve spectral resolution beyond the limit imposed by the line broadening introduced by the paramagnetic polarizing agent. Crucial to these experiments is interleaved spectral referencing to compensate for temperature-induced field drifts over the course of the experiment.