Ferrimagnetic ferritin cage nanoparticles used as MRI contrast agent

Yao Cai1,2, Changqian Cao Sr2,3, Tongwei Zhang4,5, Huangtao Xu2,6 and Yongxin Pan1,5, (1)Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China, (2)France-China Evolution and Development of Magnetotactic MultiCellular Organisms, Chinese Academy of Sciences, Beijing, China, (3)Paleomagnetism and Geochronology Laboratory, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China, (4)Paleomagnetism and Geochronology Laboratory, Key Laboratory of Earth and Planetary Physics, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China, (5)France-China Joint Laboratory for Evolution and Development of Magnetotactic MultiCellular Organisms (LIA-MagMC), Chinese Academy of Sciences, Beijing, China, (6)College of Earth Sciences University of Chinese Academy of Sciences, Beijing, China