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.
Which 700 Channel Dye Should I Use?Dye Structure
Properties
- Chemical Formula: C43H45CIN4Na2O13S3
- Molecular Weight: 1003.46 g/mol
- Exact Mass: 1002.16
Absorption and Emission Spectra
Solvent | Ext. Coeff. (M-1cm-1) | Absorption Maxima | Emission Maxima |
---|---|---|---|
Methanol | 170,000 | 680 nm | 694 nm |
1X PBS | 165,000 | 672 nm | 694 nm |
PBS: Methanol | 165,000 |