Protein A-SepharoseTM is used for affinity chromatography, antibody purification and characterization, immunoaffinity matrices, protein chromatography, protein A, G and L resins, and recombinant protein expression and analysis. Protein A-SepharoseTM has been used to develop strategies for investigating protein interactions, to improve the detection of celiac disease, and to study diabetes in children.', 'Protein A–SepharoseTM 6MB has been used in immunoprecipitation.