EthD-III is a nucleic acid probe. EthD-III is a red fluorescent stain that can be used to detect dead cells. EthD-III enters cells with damaged membranes and binds to nucleic acids, resulting in bright red fluorescence in dead cells (Ex/Em=530/645 nm).
References:
[1]. Anastassov I, et al. Cytoprotection by endogenous zinc in the vertebrate retina. J Neurochem. 2014 Apr;129(2):249-55.
[2]. Horie T, et al. OmpA-Like Proteins of Porphyromonas gingivalis Mediate Resistance to the Antimicrobial Peptide LL-37. J Pathog. 2018 Dec 27;2018:2068435.