Analysis of protein-protein interactions by using droplet-based microfluidics

Chembiochem. 2009 Jul 6;10(10):1605-11. doi: 10.1002/cbic.200800841.

Abstract

Every little drop: The K(D) values of angiogenin (ANG) interactions as shown by FRET analysis of thousands of pL-sized droplets agree with data from bulk-fluorescence polarization measurements. Importantly, the use of fluorophores does not affect the activity of ANG or the binding of anti-ANG antibodies to ANG. Such an experimental platform could be applied to the high-throughput analysis of protein-protein interactions.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Antibodies / immunology
  • Cells, Cultured
  • Fluorescence Resonance Energy Transfer / methods*
  • Fluorescent Dyes / chemistry
  • Humans
  • Kinetics
  • Microfluidics / instrumentation
  • Microfluidics / methods*
  • Protein Interaction Mapping / methods*
  • Ribonuclease, Pancreatic / analysis*
  • Ribonuclease, Pancreatic / immunology
  • Ribonuclease, Pancreatic / metabolism
  • Spectrometry, Fluorescence
  • Thermodynamics

Substances

  • Antibodies
  • Fluorescent Dyes
  • angiogenin
  • Ribonuclease, Pancreatic