TO-Pro 1

TO-PRO-1 (Thiazole Orange Iodide) is an intercalating cell-impermeant nucleic acid stain used for viablity or apoptosis detection. It has an excitation peak at 512 nm and an emission peak at 533 nm. see less TO-PRO-1 (Thiazole Orange Iodide) is an intercalating cell-impermeant nucleic acid stain used for viablity or apoptosis detection. It has an excitation peak at 512 nm and an emission peak at 533 nm.