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mFluor™ Violet 590-streptavidin conjugate
mFluor™ Violet 590-streptavidin conjugate consists of the tetrameric biotin-binding protein (streptavidin) covalently labeled with mFluor™ Violet 590 fluorescent dyes. Its high affinity for biotin conjugates is leveraged across a wide range of biochemical applications for the specific detection of various proteins, protein motifs, nucleic acids, and other molecules. This concept is central to the workflow of several detection protocols, including western blots, flow cytometry, imaging and microscopy, and microplate assays, and is crucial in purification workflows aimed at targeted fractionation. The conjugation of mFluor™ Violet 590 with streptavidin is carefully optimized to maximize fluorescence intensity while preserving the inherent binding properties of streptavidin. Upon excitation by a violet laser, mFluor ™ Violet 590 exhibits a bright and photostable emission of orange fluorescence at 591 nm. mFluor™ Violet 590 streptavidin conjugates are highly effective as second-step reagents for indirect immunofluorescent staining when used in conjunction with biotinylated primary antibodies.
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CatalogSize
Price
Quantity
47260100 ug
Price
 
Physical properties

Molecular weight~52 kDa
SolventWater
Spectral properties

Absorbance (nm)563
Correction factor (260 nm)0.632
Correction factor (280 nm)0.329
Extinction coefficient (cm -1 M -1)
90000
1
Excitation (nm)423
Emission (nm)591
Quantum yield
0.22
1
Storage, safety and handling

H-phraseH303, H313, H333
Hazard symbolXN
Intended useResearch Use Only (RUO)
R-phraseR20, R21, R22
StorageFreeze (< -15 °C); Minimize light exposure
UNSPSC12352200
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Page updated on October 30, 2025