Hepta-TEMPO β-CD has a molecular effective magnetic moment of 4.2 μB that is responsible of a NMR relaxivity up to 1.60 mm−1 s−1, not far from the values reported for Gd-based contrast agents, thus resulting a promising candidates as non-toxic MRI contrast agents.
Hepta-TEMPO β-CD具有分子有效磁矩4.2μB,这是导致其核磁共振松弛度高达1.60 mm-1 s-1的原因,这个值与基于Gd的对比剂报道的值相差不大,因此成为一种有前途的非毒性MRI对比剂候选物。