SC-D and TPT selectivity. Fluorescent micrographs showing selective growth inhibition of DLD-1 cells co-cultured with KO cells by two test compounds. SC-D treatment (bottom). TPT treatment (top). DLD-1 cells excited using blue light (Nikon filter UV-2A). KO cells excited using yellow light (Omega Optical filter XF104).Top panels depict untreated controls, six days after plating cells. Lower panels depict cells six days after plating in the presence of drug.

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