The NanoEntek Cell Viability Reagent (AO/DAPI) is a high-performance fluorescence staining reagent designed for rapid and accurate assessment of cell viability in mammalian cell samples. Utilizing the proven combination of Acridine Orange (AO) and 4′,6-Diamidino-2-Phenylindole (DAPI), this reagent enables clear differentiation between viable and non-viable cells for reliable fluorescence-based cell analysis.