TABLE I.
Relaxivities (mMol−1s−1) of Our Nanoparticles as a Function of Size With Comparison to Three Commercially Available Iron Oxide Formulations: Combidex, Feridex and Bangs. Note the Excellent Performance Overall and Especially Those of the 2 nm Particles, Which May Be Able to Penetrate the Blood-Brain-Barrier [243]
| Fe3O4 (2nm) |
Fe3O4 7 nm |
Fe3O4 11 nm |
Fe3O4 15 nm |
Combidex | Feridex (Endorem) |
Bangs | |
|---|---|---|---|---|---|---|---|
| R1 | 0.63 | 1.39 | 0.5 | 0.268 | 1.27 | 2.61 | 1.63 |
| R2 | 209.8 | 269.0 | 348.0 | 313.7 | 79.1 | 166.8 | 78.9 |
| R2* | 354.3 | 880.0 | 671.9 | 466.3 | 93.9 | 247.5 | 380.4 |