YO-PRO-3

YO-PRO-3 is a fluorogenic, intercalating cell-impermeant nucleic acid stain that is has an excitation peak at 612 nm and an emission peak at 631 nm. It is useful in fluorescence microscopy to counterstain nucleii. see less YO-PRO-3 is a fluorogenic, intercalating cell-impermeant nucleic acid stain that is has an excitation peak at 612 nm and an emission peak at 631 nm. It is useful in fluorescence microscopy to counterstain nucleii.