DyLight™ 350 Maleimide

Catalog number: 46622

Thermo Scientific™  Related applications: Protein Labeling & Crosslinking

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Description

Thermo Scientific DyLight 350 Sulfhydryl-Reactive Dye is a maleimide-activated derivative of high-performance DyLight 350 used to fluorescently label sulfhydryl-containing peptides, proteins and other biomolecular probes.

DyLight 350 has high fluorescence intensity over a broad pH range (pH 4-9) and is more photostable than Alexa Fluor™ 350 and AMCA dyes in many applications. The high water solubility of DyLight Fluors means that a high dye-to-protein ratio can be attained without causing precipitation of the conjugates.

Features of DyLight 350 Sulfhydryl-Reactive Dye:

High performance—DyLight 350 shows brighter fluorescence than Alexa Fluor 350 and AMCA
Specific—maleimide-activated dye labels proteins and other molecules at reduced sulfhydryls (-SH)
Efficient labeling methods—well-characterized chemistry and optimized protocols provide for reliable, high-quality labeling
Optimized antibody labeling procedure—complete protocol for IgG reduction and labeling and calculating the labeling efficiency

Applications:
• Antibody labeling for immunofluorescence applications, including immunocytochemistry (ICC), immunohistochemistry (IHC), Western blotting and ELISA assay
• Target macromolecule labeling for in vitro and in vivo fluorescent detection strategies

DyLight 350 Sulfhydryl-Reactive Dye is activated with a maleic acid imide (maleimide) moiety to form a reactive alkylation reagent. Labeling occurs through reaction of the maleimide-activated dye with reduced sulfhydryl groups (-SH) to form stable thioether bonds. Maleimides are specific for sulfhydryl groups between pH 6.5-7.5. Learn more about maleimide chemistry.

Related Products
DyLight™ 350 Maleimide
For Research Use Only. Not for use in diagnostic procedures.

Specifications

Solubility: DMF (Dimethylformamide)
Label or Dye: DyLight™ 350
Product Size: 1 mg
Chemical Reactivity: Thiol
Excitation⁄Emission (nm): 353⁄432

Contents & storage

Store desiccated at -20°C. Shipped at ambient temperature.

Documents

Manuals & protocols