Chemical Name: 3,8-Diamino-5-[3-(diethylmethylammonio)propyl]-6-phenylphenanthridinium diiodide
Biological ActivityRed-fluorescent DNA stain. Membrane impermeant to live cells. Propidium iodide staining differentiates between live and dead cells in cell populations.
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Propidium Iodide was used as an intracellular fluorescent dye. Picture is of the glass electrode with a 5mM solution. 250uM was also tried but had poor visibility.