Cytotoxicity of Protein-Carbon Nanotubes on J774 Macrophages Is a Functionalization Grade-Dependent Effect

Figure 5

Photomicrographs of morphological changes detected in MOs exposed to CNTs. Photomicrographs of MOs stained with eosin and yellowish-methylene azure blue (original magnification 40x) as follows: (a) control without stimulus; (b) exposed to UP-CNTs; (c) exposed to P-CNTs; (d) exposed to P46P-CNTs; and (e) exposed to P46S-CNTs.

(a)

(b)

(c)

(d)

(e)