... precision of therapy like the intensity-modulated radiation therapy (IMRT) and the use of heavy ions demands absolute reliability of new diagnostics and treatment planning for prostate and brain ... 14 It was used to investigate whether an intracellular MR imaging is possible and to estimate the T1 relaxivity on MR (1.5 T) Historically already in 1994 electron-spin-resonance and mass-spectrometry ... Okumura M, Mikawa M, Yokawa T, et al Evaluation of water-soluble metallofullerenes as MRI contrast agents Acad Radiol 2002; (Suppl 2): S495-S497 Tang J, Xing G, Zhao F, et al Modulation of structural...