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Issue 8, 2021
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Spin density localization and accessibility of organic radicals affect liquid-state DNP efficiency

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Abstract

We report a large variation in liquid DNP performance of up to a factor of about five in coupling factor among organic radicals commonly used as polarizing agents. A comparative study of 1H and 13C DNP in model systems shows the impact of the spin density distribution and accessibility of the radical site by the target molecule.

Graphical abstract: Spin density localization and accessibility of organic radicals affect liquid-state DNP efficiency

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Article information


Submitted
06 Nov 2020
Accepted
05 Feb 2021
First published
05 Feb 2021

This article is Open Access

Phys. Chem. Chem. Phys., 2021,23, 4480-4485
Article type
Communication

Spin density localization and accessibility of organic radicals affect liquid-state DNP efficiency

M. Levien, M. Reinhard, M. Hiller, I. Tkach, M. Bennati and T. Orlando, Phys. Chem. Chem. Phys., 2021, 23, 4480
DOI: 10.1039/D0CP05796G

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