Electronic Supporting Information for “Indirect and Direct 29 Si Dynamic Nuclear Polarization of Dispersed Nanoparticles” Olivier Lafon, a Aany Sofia Lilly Thankamony, a Melanie Rosay, b Fabien Aussenac, c Xingyu Lu, a Julien Trébosc, a Viviane Bout-Roumazeilles, d Hervé Vezin, e and Jean-Paul Amoureux a a Univ. Lille Nord de France; CNRS, UMR 8181 – UCCS; Univ. Lille 1, F-59652 Villeneuve d’Ascq, France E-mail: olivier.lafon@univ-lille1.fr b Bruker Biospin Corporation, 15 Fortune Drive, Billerica, MA 01821, USA c Bruker Biospin SA, 34, rue de l’Industrie, 67166 Wissembourg Cedex, France d Univ. Lille Nord de France, CNRS, UMR 8217, Géosystèmes; Univ. Lille 1, Bât. SN5, F-59652 Villeneuve d’Ascq, France e Univ. Lille Nord de France, CNRS, UMR 8516 – LASIR; Univ. Lille 1, Bât. C4, F-59652 Villeneuve d’Ascq, France November 29, 2012 1 Electronic Supplementary Material (ESI) for Chemical Communications This journal is © The Royal Society of Chemistry 2013