Anti-Rabbit IgG kappa, AlpSdAbs® VHH (Biotin) is designed for detecting rabbit IgG kappa chain specifically. Anti-Rabbit IgG kappa, AlpSdAbs® VHH (Biotin) is based on monovalent, recombinant single domain antibodies to rabbit IgG kappa chain coupled to Biotin. Based on immunoelectrophoresis and/or ELISA, Anti-Rabbit IgG kappa, AlpSdAbs® VHH (Biotin) reacts with rabbit IgG kappa chain selectively, no reactivity with mouse, human, cynomolgus, rat, goat IgG.