Cy3 is a cyanine-containing fluorochrome.1 It has commonly been conjugated to secondary antibodies for use in immunocytochemistry and immunohistochemistry applications. Cy3 displays excitation/emission maxima of 550/570 nm, respectively.
1.Suzuki, T., Matsuzaki, T., Hagiwara, H., et al.Recent advances in fluorescent labeling techniques for fluorescence microscopyActa Histochem. Cytochem.40(5)131-137(2007)
















