Store › SPY505-DNA 100 stainings SPY505-DNA 100 stainings $790.00 Quantity: Add To Cart Added! SPY505-DNA is a bright green, fluorogenic, cell permeable and highly specific live cell DNA probe for fluorescence imaging of the nucleus and DNA SPY505-DNA is a bright green, fluorogenic, cell permeable and highly specific live cell DNA probe for fluorescence imaging of the nucleus and DNA