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Biotium DAPI, dilactate (4’, 6-diamidino-2-phenylindole, dilactate)

Supplier:  Biotium 40009

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DAPI (4′,6-Diamidino-2-Phenylindole, dilactate) is a popular blue DNA dye that is used as a nuclear counterstain in fluorescence microscopy, chromosome staining and flow cytometry. DAPI (dilactate) powder is more water soluble than dihydrochloride salt, and therefore a better choice for preparing aqueous stock solutions. The dye binds to the minor groove of dsDNA with approximately 20-fold fluorescence enhancement, with higher affinity for A-T rich regions. DAPI may be used in fixed cells or in live cells at higher concentrations. The dye has an excitation/emission of 358/461 nm. Properties: Yellow solid soluble in water; Store dessicated at 4°C, protect from light; Ex/Em= 358/461 nm (with DNA); C22H27N5O6; MW:457.49; [28718-91-4].

Catalog No. 50-196-4623


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