APO-BRDU-IHCTM IMMUNOHISTOCHEMISTRY KIT is a two color TUNEL (Terminal deoxynucleotide transferase dUTP Nick End Labelling) immunohistochemical assay kit, which enables the identification of cells during the late stages of apoptosis, through the labelling of DNA breaks (DNA fragmentation). - See more at: http://www.avivasysbio.com/sd/tds/html_datasheet.php?sku=OKSA11267