Reagents > IRDye® 800CW NHS Ester,IRDye® 800CW NHS 酯
IRDye infrared dyes from LI-COR Biosciences are available for researchers developing applications using near-infrared (NIR) fluorescence. These unique dyes are used in a variety of NIR imaging applications including Western blotting, plate-based assays, protein arrays, tissue section imaging, and molecular activity measurements.
Standard NHS ester chemistry is used to produce custom probes labeled with LI-COR IRDye infrared dyes. The NHS ester reactive group provides the functionality for labeling primary and secondary amines, such as lysine residues in proteins.
LI-COR Biosciences 的 IRDye 红外染料可供研究人员使用近红外 (NIR) 荧光开发应用。 这些独特的染料用于各种 NIR 成像应用,包括蛋白质印迹、基于板的测定、蛋白质阵列、组织切片成像和分子活性测量。
标准 NHS 酯化学用于生产用 LI-COR IRDye 红外染料标记的定制探针。 NHS 酯反应基团提供了标记伯胺和仲胺的功能,例如蛋白质中的赖氨酸残基。
Dye Structure
Properties
- Chemical Formula: C50H54N3Na3O17S4
- Molecular Weight: 1166.20 g/mol
- Exact Mass: 1165.20
Absorption and Emission Spectra
Solvent | Ext. Coeff. (M-1cm-1) | Absorption Maxima | Emission Maxima |
---|---|---|---|
Methanol | 300,000 | 778 nm | 794 nm |
Water | 240,000 | 774 nm | 789 nm |
1X PBS | 240,000 | 774 nm | 789 nm |
PBS: Methanol | 270,000 | 777 nm | 791 nm |