Thermoresponsive, spin-labeled hydrogels as separable DNP polarizing agents

In this work, we present thermoresponsive, spin-labeled hydrogels that bear great potential for applications in dynamic nuclear polarization (DNP). In our approach, the water and other polarized molecules are efficiently separated from the radicals needed for DNP by a thermally induced collapse of a...

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Bibliographic Details
Published in:Physical chemistry chemical physics : PCCP 2010-06, Vol.12 (22), p.5879
Main Authors: Dollmann, Björn C, Junk, Matthias J N, Drechsler, Michelle, Spiess, Hans W, Hinderberger, Dariush, Münnemann, Kerstin
Format: Article
Language:English
Online Access:Get full text
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Summary:In this work, we present thermoresponsive, spin-labeled hydrogels that bear great potential for applications in dynamic nuclear polarization (DNP). In our approach, the water and other polarized molecules are efficiently separated from the radicals needed for DNP by a thermally induced collapse of a polymer network resulting in a prolonged lifetime of the hyperpolarization.
ISSN:1463-9084
DOI:10.1039/c003349a