Angewandte Chemie International Edition

Cover image for Vol. 56 Issue 44

Editor: Neville Compton; Editor Emeritus: Peter Gölitz

Online ISSN: 1521-3773

Associated Title(s): Angewandte Chemie, Chemistry - A European Journal, Chemistry – An Asian Journal, ChemistryOpen, ChemPhotoChem, ChemPlusChem, Zeitschrift für Chemie

51_02i/2012Inside Cover: Production and NMR Characterization of Hyperpolarized 107,109Ag Complexes (Angew. Chem. Int. Ed. 2/2012)

107Ag and 109Ag undergo simultaneous dynamic nuclear polarization as described by Z. Kovacs et al. in their Communication on page 525 ff. The large liquid-state NMR enhancements achieved allow the Ag NMR spectroscopic characterization of Ag+ complexes in the mm concentration range. Both hyperpolarized isotopes have long T1 relaxation times, enabling NMR experiments to be performed in which the signal from the 107Ag nuclei can be detected after destroying the 109Ag magnetization by radio-frequency excitation.

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