Enhancing T1 magnetic resonance imaging contrast with internalized gadolinium(III) in a multilayer nanoparticle - Marangoni, Valeria S.; Neumann, Oara; Henderson, Luke; Kaffes, Caterina C.; Zhang, Hui; Zhang, Runmin; Bishnoi, Sandra; Ayala-Orozco, Ciceron; Zucolotto, Valtencir; Bankson, James A.; Nordlander, Peter; Halas, Naomi J. (Proceedings of the National Academy of Sciences of the United States of America - PNAS, 2017)