上海浩洋生物科技有限公司

 Hoechst 33258 20 mM solution in water
  • Hoechst 33258 20 mM solution in water
  • Hoechst 33258 20 mM solution in water

    参考价格: ¥540.00
    品  牌:AAT Bioquest
    产品型号:AAT-17525 (5 mL)
    所在地区:上海
    上架时间:2013年04月11日
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    Hoechst 33258 20 mM solution in water
    产品名称:Hoechst 33258 20 mM solution in water
    产品货号:AAT-17525
    产品价格:¥540
    产品规格:5 mL
    Ex (nm):352             Em (nm):461
    MW:533.88               Solvent:Water
    Storage:F/D/L (see storage codes below)
    The Hoechst stains are a family of fluorescent stains for labeling DNA in fluorescence microscopy. Because these fluorescent stains label DNA, they are also commonly used to visualize nuclei and mitochondria. Two of these closely related bis-benzimides are commonly used: Hoechst 33258 and Hoechst 33342. Both dyes are excited by ultraviolet light at around 350 nm, and both emit blue/cyan fluorescence light around an emission maximum at 461 nm. The Hoechst stains may be used on live or fixed cells, and are often used as a substitute for another nucleic acid stain, DAPI. The key difference between them is that the additional ethyl group of Hoechst 33342 renders it more lipophilic, and thus more able to cross intact cell membranes. In some applications, Hoechst 33258 is significantly less permeant. These dyes can also be used to detect the contents of a sample DNA by plotting a standard emission-to-content curve.
    Storage Codes:
    D = Desiccated
    L = Avoid light
    F = Freeze (<-15)
    R = Refrigerated (2-4)
    RT = Room temperature (4-50)