Effect of Highly Hydrophilic Superparamagnetic Iron Oxide Nanoparticles on Macrophage Function and Survival di Efterpi Korakaki, Yannis Vasileios Simos, Niki Karouta, Konstantinos Spyrou, Panagiota Zygouri, Dimitrios Panagiotis Gournis, Konstantinos Ioannis Tsamis, Haralambos Stamatis, Evangelia Dounousi, Patra Vezyraki, Dimitrios Peschos