Figure 5.
Bright field optical microscopy images of HFF-1 fibroblasts (top) and images resulting from the merge (bottom) of bright field, Hoechst 33342 (blue), and TO-PRO-3 iodine (red) images: (a, b) negative control, (c, d) positive control, and (e, f) cells exposed to 380 μg·mL–1 for Ba51Dy49 NPs. (g) Total number of cells per well after exposure to increasing concentration of NPs. (h) Percentage of dead cells after exposure to increasing concentration of Ba51Dy49 NPs. (i) MTT assay of cells exposed to increasing concentration of Ba51Dy49 NPs.