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Issue 37, 2015
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Singlet lifetime measurements in an all-proton chemically equivalent spin system by hyperpolarization and weak spin lock transfers

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Abstract

Hyperpolarized singlet states provide the opportunity for polarization storage over periods significantly longer than T1. Here, we show how the singlet state in a chemically equivalent proton spin system can be revealed by a weak power spin-lock. This procedure allowed the measurement of the lifetimes of the singlet state in protic solvents. The contributions of different intra- and intermolecular relaxation mechanisms to singlet lifetimes are investigated with this procedure.

Graphical abstract: Singlet lifetime measurements in an all-proton chemically equivalent spin system by hyperpolarization and weak spin lock transfers

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Submitted
26 Jun 2015
Accepted
18 Aug 2015
First published
19 Aug 2015

Phys. Chem. Chem. Phys., 2015,17, 24370-24375
Article type
Paper
Author version available

Singlet lifetime measurements in an all-proton chemically equivalent spin system by hyperpolarization and weak spin lock transfers

Y. Zhang, K. Basu, J. W. Canary and A. Jerschow, Phys. Chem. Chem. Phys., 2015, 17, 24370
DOI: 10.1039/C5CP03716F

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