期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 56, 期 31, 页码 9174-9177出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201703577
关键词
DOSY; hyperpolarization; NMR spectroscopy; parahydrogen; SABRE
资金
- European Union
- province of Gelderland
- Dutch Ministry of Education, Culture and Science [024.001.035]
- province of Overijssel through the EFRO Ultrasense NMR project
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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