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Molecular Probes™ Streptavidin, Alexa Fluor™ 488 Conjugate

Alexa Fluor™ 488 streptavidin comprises a biotin-binding protein (streptavidin) covalently attached to a fluorescent label (Alexa Fluor™ dye).

3925.00 SEK - 4830.00 SEK

Specifications

Conjugate Alexa Fluor 488
Product Line Alexa Fluor™
Product Type Streptavidin Conjugate (fluorescent)
Label or Dye Alexa Fluor
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Products 2
Product Code Brand Form Quantity Price Quantity & Availability  
Product Code Brand Form Quantity Price Quantity & Availability  
10307962
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Molecular Probes™
S11223
Solid 1 mg
3925.00 SEK
1mg
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10164762
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Molecular Probes™
S32354
Liquid 0.5 mL
4830.00 SEK
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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 (Cat. No. E21390) to minimize this interference.

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

See User Manual for solubility instructions.

Specifications

Specifications

Alexa Fluor 488
Alexa Fluor™
Streptavidin Conjugate (fluorescent)
Alexa Fluor
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For Research Use Only. Not for use in diagnostic procedures.