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Measuring Antibody–Antigen Binding Kinetics Using Surface Plasmon Resonance

Part of the Methods in Molecular Biology book series (MIMB,volume 907)


Surface plasmon resonance (SPR) is now widely embraced as a technology for monitoring a diverse range of protein–protein interactions and is considered almost de rigueur for characterizing antibody–antigen interactions. The technique obviates the need to label either of the interacting species and the binding event is visualized in real-time. Thus, it is ideally suited for screening crude, unpurified antibody samples that dominate early candidate panels following antibody selection campaigns. SPR returns both concentration and affinity data but when used correctly can also resolve the discrete component kinetic parameters (association and dissociation rate constants) of the affinity interaction. Herein, we outline some SPR-based generic antibody screening configurations and methodologies in the context of expediting data-rich ranking of candidate antibody panels and ensuring that antibodies with the optimal kinetic binding characteristics are reliably identified.

Key words

  • Surface plasmon resonance
  • Antibody
  • Affinity
  • Antigen
  • Association rate
  • Dissociation rate
  • Screening

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The authors gratefully acknowledge technical contributions from B. Vijayalakshmi Ayyar, C.J Hayes, V. Fitzgerald and P.J. Conroy. This material is based on work supported by the Science Foundation Ireland under Grant 10/CE/B1821.

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Correspondence to Richard O’Kennedy .

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Hearty, S., Leonard, P., O’Kennedy, R. (2012). Measuring Antibody–Antigen Binding Kinetics Using Surface Plasmon Resonance. In: Chames, P. (eds) Antibody Engineering. Methods in Molecular Biology, vol 907. Humana Press, Totowa, NJ.

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