Table 2.

Cytofluorimetric analysis of HT29 cells after 4 days culturing with AuNPs, staining with Annexin V and 7AAD

Sample/region	Annexin V+ /7AAD−	Annexin V+/7AAD+	Annexin V−/7AAD−	Annexin V−/7AAD+
Control	3.1 ± 0.5	4.6 ± 0.6	91.8 ± 0.9	0.5 ± 0.2
HT29 + Au_NPs_1 μg/ml	2.9 ± 0.7	3.8 ± 0.5	92.8 ± 1.1	0.5 ± 0.3
HT29 + Au_NPs_3 μg/ml	3.0 ± 0.6	3.9 ± 0.7	92.5 ± 1.2	0.6 ± 0.2
HT29 + Au_NPs_6 μg/ml	4.1 ± 0.5*	7.7 ± 0.4*	87.3 ± 1.5*	0.9 ± 0.3*
HT29 + Au_NPs_12 μg/ml	5.3 ± 0.9*	9.2 ± 0.8*	84.0 ± 1.3*	1.2 ± 0.2*

Note *p ≤ 0.05 is significant versus with the control