Influence of deuteration in the glassing matrix on 13C dynamic nuclear polarization

Lloyd Lumata; Matthew E. Merritt; Zoltan Kovacs

doi:10.1039/C3CP50750E

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Influence of deuteration in the glassing matrix on ¹³C dynamic nuclear polarization†

Lloyd Lumata,^a Matthew E. Merritt^a and Zoltan Kovacs*^a

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* Corresponding authors

^a Advanced Imaging Research Center, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, Texas 75390-8568, USA
E-mail: zoltan.kovacs@utsouthwestern.edu
Fax: +1-214-645-2744
Tel: +1-214-645-2750

Abstract

Replacement of protons by deuterons in the glassing solvents led to 2–3-fold improvement of the ¹³C dynamic nuclear polarization (DNP) solid-state NMR signal for samples doped with large electron spin resonance (ESR) linewidth free radicals galvinoxyl, DPPH, and 4-oxo-TEMPO. Meanwhile, the reverse effect is observed for ¹³C DNP using small ESR linewidth free radicals BDPA and trityl OX063.

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Article information

DOI: https://doi.org/10.1039/C3CP50750E
Article type: Communication
Submitted: 19 Feb 2013
Accepted: 19 Mar 2013
First published: 19 Mar 2013

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Phys. Chem. Chem. Phys., 2013,15, 7032-7035

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Influence of deuteration in the glassing matrix on ¹³C dynamic nuclear polarization

L. Lumata, M. E. Merritt and Z. Kovacs, Phys. Chem. Chem. Phys., 2013, 15, 7032 DOI: 10.1039/C3CP50750E

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