Fig. 5
From: Novel phenoxy-((phenylethynyl) selanyl) propan-2-ol derivatives as potential anticancer agents
TUNEL staining of compounds 3h, 3g, and 3h-2 in A549 cells. (A) Representative images of TUNEL staining of A549 cells treated with compounds 3h, 3g, and 3h-2 at 1 µmol concentration for 24 h (n = 4). Scale bars = 100 μm. (B) Quantification of TUNEL-positive cells in panel A. All data are expressed as mean ± SEM. ***p < 0.001, **p < 0.01 compared to the control group; n.s., not significant