Enhancing <sup>19</sup>F Benchtop NMR Spectroscopy by Combining <i>para</i>-Hydrogen Hyperpolarization and Multiplet Refocusing
Ana I. Silva Terra, Matheus Rossetto, Claire L. Dickson, George Peat, Dušan Uhrı́n, Meghan E. Halse
Abstract
SHARPER to simultaneously boost sensitivity and discriminate between two components of a mixture is demonstrated, where selectivity is achieved through a combination of selective excitation and the choice of polarization transfer field during the SABRE step.
Topics & Concepts
Hyperpolarization (physics)MultipletSpectrometerSpin isomers of hydrogenChemistryNuclear magnetic resonance spectroscopyInduced polarizationAnalytical Chemistry (journal)Fluorine-19 NMRPolarization (electrochemistry)Two-dimensional nuclear magnetic resonance spectroscopySpectroscopyExcitationNuclear magnetic resonanceSpectral lineHydrogenOpticsPhysicsPhysical chemistryChromatographyStereochemistryOrganic chemistryAstronomyQuantum mechanicsElectrical resistivity and conductivityAdvanced NMR Techniques and ApplicationsSolid-state spectroscopy and crystallographyNMR spectroscopy and applications