Fig. 1
From: Iron oxide nanoparticles for neuronal cell applications: uptake study and magnetic manipulations
Characterization of the interactions of magnetic nanoparticles with PC12 cells: a–c uncoated-magnetite MNPs, d–f starch-magnetite MNPs, g–i dextran-magnetite MNPs, j–l uncoated-maghemite MNPs. Left panel: Confocal images of PC12 cells incubated with MNPs. Scale bar = 10, 25, 50 and 50 µm, respectively. Middle panel: TEM images of particles. Scale bar = 50 nm. Right panel: Cytotoxicity assay of cells incubated with increasing concentrations of MNPs after 24 and 72 h of incubation (n = 3). T test, *p < 0.05 and **p < 0.01