4´,6-diamidino-2-phenylindole, dilactate (DAPI, dilactate)
from
Molecular Probes (Invitrogen)
Description
DAPI, dilactate is a water-soluble form of the popular nuclear and chromosome counterstain, DAPI. The nuclear stain emits blue fluorescence upon binding to AT regions of DNA. Although the dye is cell impermeant, higher concentrations will enter a living cell.