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Molecular Probes™ Alexa Fluor™ 488 Streptavidin, 10 nm colloidal gold conjugate

Alexa Fluor™ 488 Streptavidin, 10 nm colloidal gold conjugate

Brand:  Molecular Probes™ A32361

334.68 EUR valid until 2024-03-29
Use promo code "21615" to get your promotional price.



Additional Details : Weight : 0.00450kg

Product Code. 10674603

  • 502.00 € / Each
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For Research Use Only. All usage must comply with product instructions.


Description

Description

Alexa Fluor™ 488 Streptavidin comprises a biotin-binding protein (streptavidin) covalently attached to a fluorescent label (Alexa Fluor™ dye). Streptavidin has a very high binding affinity for biotin, and a conjugate of streptavidin is commonly used together with a conjugate of biotin for specific detection of a variety of proteins, protein motifs, nucleic acids, and other molecules (for example, a biotinylated primary antibody bound to a protein target can be detected with a fluorescently labeled streptavidin). Strategies similar to this are used in many detection protocols including western blots, flow cytometry, imaging and microscopy, and microplate assays. Alexa Fluor™ dye streptavidin conjugates are supplied as 1 mg lyophilized product or in 0.5 mL volumes of a 2 mg/mL solution.

Important Features of Alexa Fluor™ 488 Streptavidin Conjugates:
  • Alexa Fluor™ 488 streptavidin conjugate has Ex/Em maxima of ∼ (495/519)
  • Bright, photostable fluorescence
  • High solubility in aqueous solutions
  • Available in multiple colors
  • Ideal for western blots, flow cytometry, imaging and microscopy, microplate assays and more

    Properties of Alexa Fluor™ Dyes
    Alexa Fluor™ dyes are organic fluorescent dyes developed for better performance in imaging and other labeling protocols and exhibit improved photostability and brightness and improved solubility in aqueous solutions. Available in a broad range of colors, these dyes are a good choice for most imaging applications.

    Blocking Endogenous Biotin
    Naturally occurring biotins can interfere with biotin-streptavidin detection schemes. For experiments involving fixed and permeabilized cells, try our Endogenous Biotin-Blocking Kit to minimize this interference.

    For Research Use Only. Not intended for any animal or human therapeutic or diagnostic use.
  • Specifications

    Specifications

    30 μg/mL
    Store in refrigerator (2–8°C) and protect from light.
    Liquid
    Streptavidin Conjugate (fluorescent)
    Alexa Fluor 488, Colloidal Gold
    Wet Ice
    Alexa Fluor™
    Alexa Fluor Dyes
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    For Research Use Only. Not for use in diagnostic procedures.