TODi-3 is a far-red fluorescent, cell-impermeant dye that selectively binds dsDNA, producing strong fluorescence with low background. Its non-cytotoxic nature makes it ideal for nucleic acid staining on microarrays, nuclear counterstaining, long-term cell viability monitoring, and dead cell detection. The far-red emission enables seamless multicolor labeling with green and red fluorophores.
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