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Determining Binding Affinity (KD) of Radiolabeled Antibodies to Immobilized Antigens
Journal JoVE
Médecine
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Journal JoVE Médecine
Determining Binding Affinity (KD) of Radiolabeled Antibodies to Immobilized Antigens
DOI:

07:39 min

June 23, 2022

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Chapitres

  • 00:04Introduction
  • 00:49Buffer Preparation
  • 02:05Antigen Immobilization and Blocking Nonspecific Sites with BSA
  • 03:21Serial Dilutions and Addition of the Radiolabeled Antibody (rAb) Solution
  • 05:08Wash Plates and Assay Radioactivity
  • 06:07Results: Determination of Binding Affinity
  • 07:04Conclusion

Summary

Traduction automatique

Here, a method is described to determine the binding affinity (KD) of radiolabeled antibodies to immobilized antigens. KD is the equilibrium dissociation constant that can be determined from a saturation binding experiment by measuring the total, specific, and nonspecific binding of a radiolabeled antibody at various concentrations to its antigen.

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