Description_x000D_ Application_x000D_ Fluorescent stain for nucleic acids. Cell membrane integrity excludes propidium iodide from staining viable and apoptotic cells. Propidium iodide may be used in flow cytometry to evaluate cell viability when used with other dyes that stain viable cells or cells that are early in the apoptosis process._x000D_ Packaging_x000D_ 1 g in glass bottle_x000D_ 10, 25, 100, 250, 500 mg in glass bottle_x000D_ Features and Benefits_x000D_ This compound is a featured product for Apoptosis research. Click here to discover more featured Apoptosis products. Learn more about bioactive small molecules for other areas of research at sigma.com/discover-bsm.