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Longitudinal and transversal relaxivities (r1 and r2) of dexSPIONs and the synthesized nanoprobes at 20 mHz at 37°C (Minispec)
| Sample name | r1 (mM−1⋅s−1) | r2 (mM−1⋅s−1) | r2/r1 |
|---|---|---|---|
| dexSPIONs | 22.575 | 162.8 | 7.21 |
| PEG-dexSPIONs | 29.18 | 252.25 | 8.64 |
| Cet-PEG-dexSPIONs | 10.586 | 110.08 | 10.40 |
Note: Relaxivities shown were obtained in double-distilled water.
Abbreviations: cet, cetuximab; dex, dextran; PEG, polyethylene glycol; SPIONs, superparamagnetic iron oxide nanoparticles.
