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  High DNP efficiency of TEMPONE radicals in liquid toluene at low concentrations.

Enkin, N., Liu, G., Tkach, I., & Bennati, M. (2014). High DNP efficiency of TEMPONE radicals in liquid toluene at low concentrations. Physical Chemistry Chemical Physics, 16(9), 8795-8800. doi:10.1039/C4CP00854E.

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Enkin, N.1, Author           
Liu, G.1, Author           
Tkach, I.1, Author           
Bennati, M.1, Author           
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1Research Group of Electron Paramagnetic Resonance, MPI for biophysical chemistry, Max Planck Society, ou_578606              

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 Abstract: We show that at low concentrations (≤5 mM) TEMPONE radicals in liquid toluene exhibit higher DNP efficiency than in water. In spite of reduced coupling factors, the improved DNP performance in toluene results from favourable saturation and leakage factors, as determined by pulse electron–electron double resonance (ELDOR) and NMR relaxation, respectively. The extracted coupling factors at 0.35 Tesla support theoretical predictions of the Overhauser mechanism.

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Language(s): eng - English
 Dates: 2014-03-202014
 Publication Status: Issued
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 Rev. Type: Peer
 Identifiers: DOI: 10.1039/C4CP00854E
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Title: Physical Chemistry Chemical Physics
Source Genre: Journal
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Pages: - Volume / Issue: 16 (9) Sequence Number: - Start / End Page: 8795 - 8800 Identifier: -