Plumbagin-Loaded Nanoemulsion Drug Delivery Formulation and Evaluation of Antiproliferative Effect on Prostate Cancer Cells

Figure 7

Bright field microscopy images of PTEN-P2 cells. Images show untreated control (a), and cells exposed for 24 h to free plumbagin 4 μM (b), empty nanoemulsion (c), and plumbagin-loaded (4 μM) nanoemulsion (d).

(a)

(b)

(c)

(d)