The Incucyte® Annexin V Orange Reagent is a highly-selective phosphatidylserine (PS) cyanine fluorescent dye. Specially formulated, this reagent is ideally suited for real time measurements of apoptosis in living cultures. Annexin V Orange is validated for use with the Incucyte® S3 Live-Cell Analysis System for Neuroscience (Cat. No. 4763) paired with an Orange/NIR Optical Module.