Dynamic Nuclear Polarization with a Water-Soluble Rigid Biradical
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Griffin_Dynamic nuclear.pdf
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Author(s)
Kiesewetter, Matthew K.
Smith, Albert A.
Corzilius, Bjorn
Griffin, Robert Guy
Swager, Timothy M
Date Issued
February 2012
Journal
Journal of the American Chemical Society
Publisher
American Chemical Society (ACS)
Citation
Kiesewetter, Matthew K., Bjorn Corzilius, Albert A. Smith, Robert G. Griffin, and Timothy M. Swager. “Dynamic Nuclear Polarization with a Water-Soluble Rigid Biradical.” Journal of the American Chemical Society 134, no. 10 (March 14, 2012): 4537-4540.
Version
Author's final manuscript
Abstract
A new biradical polarizing agent, bTbtk-py, for dynamic nuclear polarization (DNP) experiments in aqueous media is reported. The synthesis is discussed in light of the requirements of the optimum, theoretical, biradical system. To date, the DNP NMR signal enhancement resulting from bTbtk-py is the largest of any biradical in the ideal glycerol/water solvent matrix, ε = 230. EPR and X-ray crystallography are used to characterize the molecule and suggest approaches for further optimizing the biradical distance and relative orientation.
MIT Department
Massachusetts Institute of Technology. Department of Chemistry
Francis Bitter Magnet Laboratory (Massachusetts Institute of Technology)
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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DOI of Published Version
https://doi.org/10.1021/ja212054e
