Table 1. Physicochemical properties of SPIO and SPIO-R11.
| Sample | Hydrodynamic diameter (dv/nm) | PDI | Zeta potential (mV) |
|---|---|---|---|
| SPIO | 37.97 | 0.238 | 24.53 |
| SPIO-R11 | 51.36 | 0.237 | −20.67 |
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