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(A) Superimposed fluorescence microscopy image revealing the intracellular localization of dye 78 (red) in ES2 cancer cells after 24 h incubation with the subsequent staining of nuclei Hoechst 33342 (blue). (B) ES2 cancer cell viability: with no treatment, under 808 nm laser exposure, after dye 78 incubation in the dark, after dye 78 incubation under 808 nm laser exposure.[16]
