Figure 2
From: Evaluation of Hyperthermia of Magnetic Nanoparticles by Dehydrating DNA

TEM image of MNPs and its corresponding diffraction pattern (inset) (a) LM Fe3O4 MNPs (b) HM Fe3O4 MNPs.
Magnetic hysteresis loops of (c) LM Fe3O4 MNPs (d) HM Fe3O4 MNPs measured at room temperature.