Fig. 3
From: Gold Nanoparticles of Diameter 13 nm Induce Apoptosis in Rabbit Articular Chondrocytes
13 nm AuNPs induce apoptosis in rabbit articular chondrocytes. a FCM analysis with annexin V/PI staining on chondrocytes apoptosis induced by 3, 13, and 45 nm AuNPs, respectively. b Statistical results from three independent FCM analyses. **P < 0.01, compared with control. c Fluorescence imaging of chondrocytes stained with Hoechst 33258 after treatment with 3, 13, and 45 nm AuNPs, respectively, for 24 h. Original magnification: ×400