Table 1.

Cytotoxicity (IC50, µM) of the DZ‐CIS Conjugate

Cell line	CIS	95% CI	DZ‐CIS	95% CI
Daudi	>64	ND	2.53	1.833‐3.489
Raji	>64	ND	1.23	1.004‐1.502
Namalwa	>64	ND	0.72	0.511‐1.024
Ramos	>64	ND	2.40	2.029‐2.841
CA‐46	>64	ND	2.00	1.604‐2.512

Abbreviations: CI, confidence interval; CIS, cisplatin; DZ‐CIS, heptamethine carbocyanine fluorescent dye–cisplatin; ND, not determined.

Results were calculated with quadruplet 3‐(4,5‐dimethyl‐2‐thiazolyl)‐2,5‐diphenyl‐2H‐tetrazolium bromide assay data points after 24 hours of treatment.