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Because of the potential toxicity of DAPI, we offer DAPI dilactate dissolved in H2O as a safer alternative to the powdery form, which is more likely for one to be in contact with. DAPI is a popular blue fluorescent DNA probe. The dye binds to the minor groove of dsDNA with a ~20-fold fluorescence enhancement. See Figure 9.3 for spectra.
lex\lem(DNA) = 358/461 nm
Yellow solution
Store at -20?C and protect from light
C22H27N5O6
Mwt: 457.49 |