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.
- 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|