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. Far-red fluorescent CF®640R has Ex/Em at 642/662 nm. One labeling of 5-20 ug nanobody per kit.