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Issue 48, 2013

Over 35% liquid-state 13C polarization obtained via dissolution dynamic nuclear polarization at 7 T and 1 K using ubiquitous nitroxyl radicals

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Abstract

The most versatile method to increase liquid-state 13C NMR sensitivity is dissolution dynamic nuclear polarization. The use of trityl radicals is usually required to obtain very large 13C polarization via this technique. We herein demonstrate that up to 35% liquid-state 13C polarization can be obtained in about 1.5 h using ubiquitous nitroxyl radicals in 13C-labeled sodium salts by partially deuterating the solvents and using a polarizer operating at 1 K and 7 T.

Graphical abstract: Over 35% liquid-state 13C polarization obtained via dissolution dynamic nuclear polarization at 7 T and 1 K using ubiquitous nitroxyl radicals

Supplementary files

Article information


Submitted
18 Jul 2013
Accepted
23 Oct 2013
First published
24 Oct 2013

Phys. Chem. Chem. Phys., 2013,15, 20819-20822
Article type
Communication

Over 35% liquid-state 13C polarization obtained via dissolution dynamic nuclear polarization at 7 T and 1 K using ubiquitous nitroxyl radicals

T. Cheng, A. Capozzi, Y. Takado, R. Balzan and A. Comment, Phys. Chem. Chem. Phys., 2013, 15, 20819 DOI: 10.1039/C3CP53022A

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