Table 1.
The magnetic properties of naked SPIONs, dextran coated SPIONs, chitosan coated SPIONs and mPEG-PCL coated SPIONs
| Preaperd NPs | Coercivity (Hci) G | Initial Slope emu/(gG) | Magnetization (Ms) emu/g | Negative (Hci) G | Positive (Hci) G | Retentivity (Mr) emu/g | Negative (Mr) emu/g | Positive (Mr) emu/g |
|---|---|---|---|---|---|---|---|---|
| Naked SPIONs | 2.4059 | 0.023 | 80.152 | −7.9299 | −12.7420 | 0.16603 | 0.87937 | 0.54731 |
| Dextran coated SPIONs | 0.0850 | 0.021 | 70.572 | −8.2975 | −8.1267 | 0.00591 | 0.46993 | 0.48175 |
| Chitosan coated SPIONs | 12.5810 | 0.009 | 29.085 | −31.4290 | −6.2673 | 0.29041 | 0.14339 | 0.72421 |
| mPEG-PCL coated SPIONs | 1.2877 | 0.004 | 11.690 | −0.7560 | 1.8194 | 0.01415 | −0.02001 | 0.00830 |