Polyethylene Glycol-Coated Gold Nanoparticles as DNA and Atorvastatin Delivery Systems and Cytotoxicity Evaluation

Figure 9

Micrograph of the cytotoxicity test of HEK293 cells. Using (a) atorvastatin and (b) 20 nm and (c) 40 nm PEGylated gold nanoparticles. The black arrows and black rectangle show the damaged or dead cells, and the blue arrow show the alive cells.

(a)

(b)

(c)