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Dyes for Your Near-Infrared Imaging Needs
IRDye® 680RD NHS Ester
The NHS ester reactive group will label primary and secondary amines, such as lysine residues in proteins.
Absorption and Emission Spectra in 1X PBS
| Solvent | Ext. Coeff. | Abs Max | Em Max |
|---|---|---|---|
| (M-1 cm-1) | (nm) | (nm) | |
| Methanol | 170,000 | 680 | 694 |
| 1X PBS | 165,000 | 672 | 694 |
| PBS:Methanol | 165,000 |
NHS ester reacts with a primary aliphatic amine, such as lysine.
Dye label is attached through amide bond.
