Figure 3.tif

A) Optical image of aggregating D. discoideum cells (40x40 µm field of view). B) TOF-SIMS BA mode total secondary ion image of the same field. C-I)TOF-SIMS BA mode images pf this field at m/z C) 591 (Au3+ substrate, light grey), D) 184, (Blue), E) 518 (Blue), F) 740 (Blue), G) 221 (Red), H) 236 (Red), and I) 240 (Red). J-L) Overlays of 591 (Au3+ substrate, light grey), 184 (Blue), and J) 221 (Red), K) 236 (Red), and L) 240 (Red).