Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 56, Issue 31, Pages 9174-9177Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201703577
Keywords
DOSY; hyperpolarization; NMR spectroscopy; parahydrogen; SABRE
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Funding
- European Union
- province of Gelderland
- Dutch Ministry of Education, Culture and Science [024.001.035]
- province of Overijssel through the EFRO Ultrasense NMR project
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DOSY is an NMR spectroscopy technique that resolves resonances according to the analytes' diffusion coefficients. It has found use in correlating NMR signals and estimating the number of components in mixtures. Applications of DOSY in dilute mixtures are, however, held back by excessively long measurement times. We demonstrate herein, how the enhanced NMR sensitivity provided by SABRE hyperpolarization allows DOSY analysis of low-micromolar mixtures, thus reducing the concentration requirements by at least 100-fold.
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