CF® dye tyramide conjugates can be used for tyramide signal amplification (TSA), which is an enzyme-mediated detection method that uses horseradish peroxidase (HRP) to generate high-density labeling of a target protein or nucleic acid in situ. CF® dyes are Biotium's line of next-generation fluorescent dyes with advantages in brightness, photostability, and conjugate specificity compared to other fluorescent dyes. 405 nm-excitable green fluorescent CF®430 dye has excitation/emission at 426/498 nm.