Ethidium homodimer I Solution, 2 mM in DMSO/H2O (0.5 mL)

Ethidium homodimer I (EthD-I) is a membrane-impermeable, high-affinity, nucleic acid stain that selectively labels dead cells with compromised plasma membranes. Compatible with flow cytometry, fluorescence microscopy, and plate reader assays. Excitation: 528 nm | Emission: 617 nm