DuRed® nucleic acid gel stain *10,000× in water


  DuRed® nucleic acid gel stain *10,000× in water





  Pack Size




  Ex (nm)


  Em (nm)



  4ºC, desiccation and avoid light

  Shelf Life

  12 months





DuRed® Nucleic Acid Gel Stain is a kind of new generation of fluorescent nucleic acid gel stain designed to replace the highly toxic ethidium bromide (EtBr). A series of safety tests have confirmed that DuRed® is noncytotoxic, nonmutagenic and nonhazardous at concentrations well above the working concentrations used in gel staining.


DuRed®Nucleic Acid Gel Stain are highly sensitive than EtBr either as precast gel stains or post gel stains. DuRed® and EB have virtually the same spectra, so you can directly replace EB with Dured without changing your existing imaging system. DuRed® can also be used to stain dsDNA, ssDNA or RNA in polyacrylamide gel via post gel staining.


DuRed® Nucleic Acid Gel Stain 10,000X in water is a concentrated DuRed solution that can be diluted 10,000 times for use in precast gel staining for ~3,300 times for use in post gel staining according to the procedures described below. One vial(0.5ml) of 10,000X solution can be used to prepare at 100 precast minigels or post-stain at least 100 minigels.


Figure 1.Normalized excitation and emission spectra of DuGreen (green) and DuRed (red) in the presence of dsDNA in PBS buffer.




Ø Safety: Nonmutagenic and noncytotoxic

Ø Easy disposal: Safe to dispose in the drain

Ø Compatibility: Spectrally compatible with existing instruments

Ø Sensitivity: Higher signal but lower background

Ø Stability: can be stored at RT and microwavable


Tip: If you are using image system with UV, please choose Product A; by using image system with visible light excitation, please choose Product B.

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