Ukrain (NSC 631570) autofluorescence in UV light

The uptake of Ukrain in melanoma cells compared to normal cells (in vitro)
Melanoma Cells

Phase Contrast     Fluorescence

High uptake
Endothelial Cells
Low uptake

Ref: [36] Hohenwarter O. et al. “Selective inhibition of in vitro cell growth by the anti-tumour drug Ukrain”
Drugs under Experimental Research (1992) pp.1-4