Figure 5.

Optical microscopic images of C6 glioma cells. Prussian blue staining of C6 glioma cells that were treated with PBS buffer (a) and those that were treated with acetylated APTS-coated Fe3O4 NPs at a concentration of 10 μg/mL (b), 25 μg/mL (c), and 50 μg/mL (d) (scale bar = 100 μm).

Li et al. Nanoscale Research Letters 2014 9:304   doi:10.1186/1556-276X-9-304
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