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Updated: Aug 16, 2026
Determining Binding Affinity (KD) of Radiolabeled Antibodies to Immobilized Antigens
Published on: June 23, 2022
A novel binding assay to assess specificity of monoclonal antibodies
Hilary S Warren1, Jayaram Bettadapura
1Cancer and Human Immunology Group, Division of Immunology and Genetics, John Curtin School of Medical Research, The Australian National University, P.O. Box 334, Canberra, ACT 2601, Australia. Hilary.Warren@anu.edu.au
Abstract:
Dynabeads TALON are uniform superparamagnetic polystyrene beads of 1 microm diameter that bind 6-His-tagged recombinant proteins through Co++-affinity binding, and are normally used for protein purification. We have used these beads to bind 6-His-rNKp30 and 6-His-rNKp46 to use as a matrix for evaluating NKp30 and NKp46 mAb submitted to the 8th International Human Leukocyte Differentiation Antigen Workshop. We show that recombinant protein coated beads are an effective tool to evaluate the specificity and epitope reactivity of mAb.
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