Título:
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Self-assembled trityl radical capsules implications for dynamic nuclear polarization
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Autor/a:
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Marin-Montesinos, I.; Paniagua, Juan Carlos; Vilaseca Casas, Marta; Urtizberea, A.; Luis, F.; Feliz Rodenas, Miguel; Lin, F.; Van Doorslaer, S.; Pons Vallès, Miquel
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Otros autores:
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Universitat de Barcelona |
Abstract:
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A new class of guest-induced, bi-radical self-assembled organic capsules is reported. They are formed by the inclusion of a tetramethylammonium (TMA) cation between two monomers of the stable trityl radical OX63. OX63 is extensively used in dissolution dynamic nuclear polarization (DNP) where it leads to NMR sensitivity enhancements of several orders of magnitude. The supramolecular properties of OX63 have a strong impact on its DNP properties. An especially relevant case is the polarization of choline-containing metabolites, where complex formation between choline and OX63 results in faster relaxation. |
Materia(s):
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-Química física -Polarització (Física nuclear) -Ressonància paramagnètica electrònica -Physical and theoretical chemistry -Polarization (Nuclear physics) -Electron paramagnetic resonance |
Derechos:
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(c) Marin-Montesinos, I. et al., 2015
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Tipo de documento:
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Artículo Artículo - Versión aceptada |
Editor:
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Royal Society of Chemistry
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