Mn-apo Mn-apo+ ferritin 8μM Hepatocytes Mn-loaded apoferritin: a high sensitivity, biologically compatible MRI agent. S. Geninatti-Crich, F. Kalman, I. Szabo, S. Lanzardo, J. Cutrin, L. Conti, and S. Aime University of Torino, Torino, Italy Introduction: An innovative approach to the design of MRI Contrast Agents has been pursued through the entrapment of Mn(II) aqua ions inside the inner cavit...