Quantitative Comparison of Long-wavelength Alexa Fluor Dyes to Cy Dyes: Fluorescence of the Dyes and Their Bioconjugates - Judith E. Berlier, Anca Rothe, Gayle Buller, Jolene Bradford, Diane R. Gray, Brian J.
AF555-Picolyl-Azide, Azides of Fluorescent Dyes - Jena Bioscience
Alexa Fluor™ Plus 555 Phalloidin
Molecular and spectroscopic characterization of green and red cyanine fluorophores from the Alexa Fluor and AF series