Affinity proteins and resins are designed for the purification and isolation of antibodies, tagged proteins, and biotinylated biomolecules. SignalChem Diagnostics’ portfolio includes Protein A, Protein G, Protein L, streptavidin, Protein A and Protein L resins, and metal-chelate resins such as Ni-NTA, Co-NTA, and Ni-TED for His-tagged protein purification. These products enable efficient affinity chromatography workflows across research and bioprocessing applications.