Iowa State University From the SelectedWorks of Aaron Rossini December 19, 2012 A Slowly Relaxing Rigid Biradical for Efcient Dynamic Nuclear Polarization Surface-Enhanced NMR Spectroscopy: Expeditious Characterization of Functional Group Manipulation in Hybrid Materials Alexandre Zagdoun, Université de Lyon Gilles Casano, Aix-Marseille Université Olivier Ouari, Aix-Marseille Université Giuseppe Lapadula, ETH Zürich Aaron J. Rossini, Université de Lyon, et al. Available at: htps://works.bepress.com/aaron-rossini/21/