Table 1.
Particles | Dn (nm) | Ð | Dh (nm) | PI | ζ-potential (mV) | Coatinga (wt.%) | σb (PEG/nm2) | Msc (Am2/kg) | Mrd (Am2/kg) | |||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Water | PBS | Water | PBS | Water | PBS | |||||||
Fe3O4@PEG-Ner-10 | 10 | 1.05 | 35 | 34 | 0.2 | 0.26 | −9 | −6 | 28.5 | 0.99 | 34 | 0 |
Fe3O4@PEG-Ner-20 | 20 | 1.03 | 40 | 39 | 0.1 | 0.16 | −14 | −3 | 17 | 1.02 | 40 | 0.2 |
Fe3O4@PEG-Ner-31 | 31 | 1.05 | 65 | 62 | 0.14 | 0.11 | −15 | −3 | 9 | 0.76 | 42 | 7 |
Dn - number-average particle diameter (TEM); Ð - dispersity (TEM); Dh - hydrodynamic diameter (DLS); PI - polydispersity (DLS); aamount of PEG-Ner (TGA); bgrafting density; csaturation magnetization; dremanent magnetization.