Temperature-Controlled Molecular Depolarization Gates in Nuclear Magnetic Resonance

Down the drain: Cryptophane cages in combination with selective radiofrequency spin labeling can be used as molecular “transpletor” units for transferring depletion of spin polarization from a hyperpolarized source spin ensemble to a drain ensemble. The flow of nuclei through the gate is adjustable...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2008-05, Vol.47 (23), p.4316-4320
Main Authors: Schröder, Leif, Chavez, Lana, Meldrum, Tyler, Smith, Monica, Lowery, Thomas J., Wemmer, David E., Pines, Alexander
Format: Article
Language:English
Subjects:
biosensors
Body Temperature
Humans
imaging agents
inclusion compounds
Magnetic Resonance Spectroscopy - methods
Temperature
Thermometers
thermometry
xenon
Xenon - chemistry
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Summary:Down the drain: Cryptophane cages in combination with selective radiofrequency spin labeling can be used as molecular “transpletor” units for transferring depletion of spin polarization from a hyperpolarized source spin ensemble to a drain ensemble. The flow of nuclei through the gate is adjustable by the ambient temperature, thereby enabling controlled consumption of hyperpolarization (see scheme).
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.200800382