Microscopic Studies of Various Sizes of Gold Nanoparticles and Their Cellular Localizations

Figure 2

SEM imaging of 3 nm gold nanoparticles into HEp-2 cells after 1 (a), 2 (b), 4 (c), 12 (d), and 24 hr (e) incubations. Arrows indicating accumulation of GNPs.

(a)

(b)

(c)

(d)

(e)