Laura Defrancesco | Dec 7, 1997 | 3 min read
Another characteristic of apoptotic cells that can be exploited in this death quest is the appearance of phosphatidylserine (PS) on the outer surface of the membrane. Annexin V binds with high affinity to PS and can be used to spotlight dying cells. Fourteen companies offer Annexin V with a variety of tags and detectors attached that can be used immunohistochemically or with the flow cytometer (Alexis, BioWhittaker, Boehringer Mannheim, Chemicon, CLONTECH, Immunotech, Genzyme Diagnostics, Kamiy