Table 2.
The relaxivities of Gd-DTPA and the SPIO nanoparticle at the same magnetic field strength
| Samples | Magnetic field | r1 | r2 | r2/r1 |
|---|---|---|---|---|
| strength (T) | L/mmol.sec−1 | (L/mmol.sec−1) | ||
| Gd-DTPA | 0.3 | 11.86 | 12.98 | 1.09 |
| SPION | 0.3 | 19.79 | 87.69 | 4.43 |
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