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Keywords:

  • Biosensors;
  • Microfluidics;
  • Patterning;
  • Polyelectrolytes

Laminar-flow microfabrication is shown to produce complex micrometer-resolved polyelectrolyte micropatterns at ambient conditions (see Figure). This simple deposition procedure shows great versatility, with the capacity to fabricate micropatterns containing unstable and sensitive biological objects on the surface of any appropriate substrate.