Dissolution Dynamic Nuclear Polarization of Non-Self-Glassing Agents: Spectroscopy and Relaxation of Hyperpolarized [1-13C]Acetate

Alessandra Flori, Matteo Liserani, Sean Bowen, Jan Henrik Ardenkjær-Larsen, Luca Menichetti

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    The intrinsic physicochemical properties of the sample formulation are the key factors for efficient hyperpolarization through dissolution dynamic nuclear polarization (dissolution-DNP). We provide a comprehensive characterization of the
    DNP process for Na-[1-13C]acetate selected as a model for non-self-glassing agents: the solid-state polarization dynamics of different formulations and the effect of the paramagnetic agent (trityl radical) on the pattern of polarization and the relaxation profile were extensively analyzed. We quantified the effects of the glassing agent and Gd3+-chelate on DNP performance. The results reported here describe the constraints of the acetate formulation useful for future studies in this field with non-self-glassing enriched molecules.
    Original languageEnglish
    JournalJournal of Physical Chemistry Part A: Molecules, Spectroscopy, Kinetics, Environment and General Theory
    Volume119
    Issue number10
    Pages (from-to)1885−1893
    ISSN1089-5639
    DOIs
    Publication statusPublished - 2015

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