Mix-n-StainTM CF® Dye NanoBody Labeling Kits are optimized for labeling nanobodies with bright and photostable CF® dyes in 30 minutes with no purification. Kits tolerate common stabilizers, including BSA. Blue fluorescent CF®405S has Ex/Em at 404/431 nm. One labeling of 20-50 ug nanobody per kit.