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Keywords:

  • microfluidics;
  • lab-on-chip;
  • inertial focusing;
  • flow systems
Thumbnail image of graphical abstract

The integration of microfluidic structures and microelectronic chips is made feasible by M. A. M. Gijs and co-workers. On page 2764, they determine the effect of Reynolds numbers on focusing, the entry length required for the laminar flow to develop, and the pressure resistance of the microfluidic channels. This enables maximisation of the ‘throughput-per-footprint’ (TPFP), allowing the channels to be scaled down to the required sizes without compromising the flow throughput.