Table 3. IC₅₀ Determination of C7, C8 Complexes and Cisplatin after 72 h (24 h Internalization) in Light and Dark in HeLa, A2780, and A2780cis Cells.

			IC50 (μM)
entry	complex	cell line	lighta	dark	PI
1	C7	HeLa	4 ± 3	>200	>50
2	C7	A2780	1.4 ± 0.8	18 ± 9	13
3	C7	A2780cis	2.7 ± 0.7	19 ± 8	7
4	C8	HeLa	>50	>200	n.d.
5	C8	A2780	5 ± 3	>200	>40
6	C8	A2780cis	48 ± 22	>200	4
7	cisplatin	HeLa	15.5 ± 3.4	14.7 ± 2.6
8	cisplatin	A2780	2.3 ± 0.3	2.8 ± 0.2
9	cisplatin	A2780cis	15.1 ± 1.5	13.8 ± 0.2

^aλ_exc = 450 nm and dose ca. 32 J/cm². PI = photoactive index (obtained by dividing the baseline IC₅₀ value by the photoactivated IC₅₀ value).