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Article Dans Une Revue Magnetic Resonance in Chemistry Année : 2020

Solvent suppression in solid-state DNP NMR using Electronic Mixing-Mediated Annihilation (EMMA)

Résumé

We show here that the Electronic Mixing-Mediated Annihilation (EMMA) method, previously reported for the suppression of background signals in solid-state NMR spectra, can be successfully applied to remove the solvent signals observed in the case of NMR spectra obtained with dynamic nuclear polarization (DNP). The methodology presented here is applied to two standard sample-preparation methods for DNP, namely glass forming and incipient wetness impregnation. It is demonstrated that the EMMA method is complementary to the different methods for solvent suppression based on relaxation filters, and that it can be used to preserve the quantitative information that might be present in the pristine spectra.
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Dates et versions

hal-02877099 , version 1 (22-06-2020)

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Fabio Ziarelli, Pierre Thureau, Stéphane Viel, Giulia Mollica. Solvent suppression in solid-state DNP NMR using Electronic Mixing-Mediated Annihilation (EMMA). Magnetic Resonance in Chemistry, 2020, ⟨10.1002/mrc.5001⟩. ⟨hal-02877099⟩
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