DyLight 550 Maleimide/DyLight 550马来酰亚胺

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DyLight 550 Maleimide/DyLight 550马来酰亚胺

货号:62290

规格:1 mg

价格:4326

产品类型:蛋白标记

品牌:Thermo Fisher

Thermo Scientific DyLight 550 Sulfhydryl-Reactive Dye is a maleimide-activated derivative of high-performance DyLight 550 used to fluorescently label sulfhydryl-containing peptides, proteins and other biomolecular probes.DyLight 550provides vibrant orange-to-red fluorescence with better performance than other rhodamine derivatives including Alexa Fluor 555, TRITC and Cy3 dye for fluorescent applications over a broad pH range (pH 4-9). The high water solubility of DyLight Fluors means that a high dye-to-protein ratio can be attained without causing precipitation of the conjugates.DyLight 550 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 aboutmaleimide chemistry.
特点
•High performance—DyLight 550 shows brighter fluorescence than Alexa Fluor 555, TRITC and Cy3 dye•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
应用
• 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
数据
Immunofluorescence microscopy using DyLight 550 dyeCytokeratin 18 (green) and lamin B1(red) in U2OS cells were detected with the respective primary antibodies and goat anti-mouse and anti-rabbit secondary antibodies labeled with DyLight 550 and 650 Microscale Antibody Labeling Kits, respectively.

技术参数
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