Luminescent Iridium Complex-Peptide Hybrids (IPHs) for Therapeutics of Cancer: Design and Synthesis of IPHs for Detection of Cancer Cells and Induction of Their Necrosis-Type Cell Death

Table 1

Photophysical properties of Ir complexes 2c, 4, 5, and 6 in degassed DMSO at 25°C ([Ir complex] = 10 µM, excitation at 366 nm).

Compound	λmax (absorption) (nm)	λmax (emission) (nm)	Φ^a	τ^b (µs)
2c	280, 362	509	0.55	1.7
4	285, 363	505	0.39	1.1
5	285, 361	506	0.33	1.3
6	286, 360	506	0.36	1.2

^aQuinine sulfate in 0.1 M H₂SO₄ (Φ = 0.55) was used as a reference. ^bLifetime of luminescence emission.