Figure 6

AFM images of MGNS/DOX uptake in HeLa cells and human neuronal progenitor cells (NPCs). AFM images of the uptake in Hela cells at (a) 0 min, (b) 30 min, (c) 60 min, (d) 90 min, (e) 120 min. AFM images of MGNS/DOX uptake in NPCs at (f) room temperature, (g) 37 °C, (h) 39 °C, (i) room temperature with magnet and (j) 39 °C with magnet.