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Journal Article

Spin density localization and accessibility in organic radicals for liquid-state DNP efficiency

MPS-Authors
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Levien,  M.
Research Group of Electron Paramagnetic Resonance, Max Planck Institute for Biophysical Chemistry, Max Planck Society;

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Reinhard,  M.
Research Group of Electron Paramagnetic Resonance, MPI for Biophysical Chemistry, Max Planck Society;

/persons/resource/persons232625

Hiller,  M.
Research Group of Electron Paramagnetic Resonance, MPI for Biophysical Chemistry, Max Planck Society;

/persons/resource/persons15928

Tkach,  I.
Research Group of Electron Paramagnetic Resonance, MPI for biophysical chemistry, Max Planck Society;

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Bennati,  Marina
Research Group of Electron Paramagnetic Resonance, MPI for Biophysical Chemistry, Max Planck Society;

/persons/resource/persons194882

Orlando,  T.
Research Group of Electron Paramagnetic Resonance, MPI for Biophysical Chemistry, Max Planck Society;

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Citation

Levien, M., Reinhard, M., Hiller, M., Tkach, I., Bennati, M., & Orlando, T. (2021). Spin density localization and accessibility in organic radicals for liquid-state DNP efficiency. Physical Chemistry Chemical Physics, 23(8), 4480-4485. doi:10.1039/D0CP05796G.


Cite as: https://hdl.handle.net/21.11116/0000-0008-6E54-F
Abstract
We report a large variation in liquid DNP performance of up to a factor of about five in coupling factor among organic radicals commonly used as polarizing agents. A comparative study of 1H and 13C DNP in model systems shows the impact of the spin density distribution and accessibility of the radical site by the target molecule.