Protein Ark's High Performance Super Resins include Ni-NTA, Co-NTA, Glu, Protein A, Protein G and Heparin chemistries. Heparin, Ni-NTA, Co-NTA and Glu chemistries are supplied as High Performance resins with a mean bead size of 35 um. High selective binding capacity is the key benefit of Protein Ark's Super resins.