Goat anti-human IgE (ε chain) - DyLight? 633 Conjugated is a secondary antibody conjugated to DyLight? 633, which binds to human IgE (ε chain) in immunological assays. DyLight? 633 has Amax = 638 nm, Emax = 658 nm. Antibodies are are affinity purified using solid phase human IgE.DyLight? is a registered trade mark of Thermofisher Inc., and its subsidaries.