Cy7-SE is a hydrophilic amine-reactive fluorescent probe.1 It displays excitation/emission maxima of 747/774 nm, respectively.2 Cy7-SE has commonly been used in the labeling and detection of nucleic acids, antibodies, and proteins.
1.Berlier, J.E., Rothe, A., Buller, G., et al.Quantitative comparison of long-wavelength alexa fluor dyes to Cy dyes: Fluorescence of the dyes and their bioconjugatesJ. Histochem. Cytochem.51(12)1699-1712(2003) 2.Jiang, C., Cai, H., Peng, X., et al.Targeted imaging of tumor-associated macrophages by cyanine 7-labeled mannose in xenograft tumorsMol. Imaging161536012116689499(2017)