Goat anti-human IgE (ε chain) - DyLight?650 Conjugated, min. cross-reactivity to bovine, mouse, rabbit serum is a secondary antibody conjugated to DyLight? 650, which binds to human IgE (ε chain) in immunological assays.DyLight? 650 has Amax = 652 nm, Emax = 672 nm. Antibodies are are affinity purified using solid phase human IgE (ε chain).DyLight? is a registered trade mark of Thermofisher Inc., and its subsidaries.