Table 1.
Determination of magnetic relaxivity (R2), hydrodynamic diameter (D) and polydispersity index (PDI) of functional IONPs immediately after synthesis. Quantitative estimation of amount of dye, folic acid and Taxol per iron crystal of the corresponding multifunctional IONPs (1–5).
| IONPs | R2[s−1mM−1] | D (PDI) [nm] | Dye/IONPs | Folate/IONPs | Taxol/IONPs |
|---|---|---|---|---|---|
| 1 | 206±2 | 86 (0.89) ±1 | - | - | - |
| 2 | 202±3 | 90 (0.87) ±2 | 31±2 | - | - |
| 3 | 207±2 | 87 (0.89) ±1 | - | - | - |
| 4 | 204±3 | 94 (0.87) ±3 | 28±2 | 12±2 | - |
| 5 | 203±5 | 96 (0.91) ±4 | 19±1 | 12±2 | 11±3 |