High-throughput and multiplexed regeneration buffer scouting for affinity-based interactions

K.P.M. Geuijen, R.B. Schasfoort, R.H. Wijffels, M.H.M. Eppink

Research output: Contribution to journalArticleAcademicpeer-review

3 Citations (Scopus)


Affinity-based analyses on biosensors depend partly on regeneration between measurements. Regeneration is performed with a buffer that efficiently breaks all interactions between ligand and analyte while maintaining the active binding site of the ligand. We demonstrated a regeneration buffer scouting using the combination of a continuous flow microspotter with a surface plasmon resonance imaging platform to simultaneously test 48 different regeneration buffers on a single biosensor. Optimal regeneration conditions are found within hours and consume little amounts of buffers, analyte, and ligand. This workflow can be applied to any ligand that is coupled through amine, thiol, or streptavidin immobilization.
Original languageEnglish
Pages (from-to)38-40
JournalAnalytical Biochemistry
Publication statusPublished - 2014


  • Affinity
  • Buffer scouting
  • High throughput
  • Protein-protein interaction
  • Regeneration
  • Surface plasmon resonance


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