Magnetic Resonance
Magnetic Resonance
MR
Articles | Volume 1, issue 2
Articles | Volume 1, issue 2
https://doi.org/10.5194/mr-1-175-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/mr-1-175-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 1, issue 2
Research article
 | 
07 Aug 2020
Research article |  | 07 Aug 2020

Geminal parahydrogen-induced polarization: accumulating long-lived singlet order on methylene proton pairs

Laurynas Dagys, Barbara Ripka, Markus Leutzsch, Gamal A. I. Moustafa, James Eills, Johannes F. P. Colell, and Malcolm H. Levitt

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Latest update: 28 May 2023
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Short summary
We explored hydrogenation reaction with a para-spin isomer of a hydrogen molecule as a source of nuclear singlet state. As a product of this reaction, the state was populated between two protons of the methylene group. We have shown that, utilizing long-lived properties of such a nuclear spin state, a high nuclear spin polarization can be accumulated. To explain this effect we have given a kinetic model which could be potentially applied for similar schemes involving spin dynamics in chemistry.
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