Propidium iodide is a membrane-impermeant nucleic acid intercalator. The dye is commonly used to selectively stain dead cells in a cell population and also used as a counterstain in multicolor fluorescent imaging.
- λEx/λEm (DNA-bound) = 535/617 nm
- λEx/λEm (no DNA) = 493/636 nm
- Orange red solid soluble in H2O or DMSO
- Store at 4°C and protect from light, especially in solution
- MW: 668.4
Compatible with the NucleoCounter® NC-3000™
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