IDEA #8F338Q Affinity Sorbent For Purification Of Antibodies

Areas of Application The affi nity medium based on oriented immobilized recombinant protein A Staphylococcus aureus can be used at research institutes and diagnostic labs for purifi cation of monoclonal and polyclonal antibodies from ascites, serum, and cell culture supernatants; for fractionation of IgG into subclasses; and for isolation of antibody/antigen complexes in immunoprecipitation experiments Specifi cation The affi nity sorbent based on microcrystaline cellulose СС31 with immobilized recombinant protein А Staphylococcus aureus in the form of 50% suspension in 20% ethanol; particle size: ~60-75 μm; ligand density: ~1.5-2.0 mg ligand/ml sorbent Advantages The use of affi nity medium enables a single-stage purifi cation of antibodies. The cost of proposed affi nity medium is lower as compared with that of the analogs IPR Protection IPR1, IPR2 Stage of Development. Suggestion for Commercialization IRL3, TRL3 Affi nity medium sample and protocol for antibody purifi cation provided upon request. After tests, the offering can be proposed to manufacturers and suppliers of laboratory equipment, reagents, and materials
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