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Keywords:

  • 3D microstructures;
  • cell-sorting;
  • cell-patterning;
  • microfilters;
  • pore clogging
Thumbnail image of graphical abstract

A 3D porous membrane containing pyramidal microstructures around funnel-like pores is demonstrated as a unique anti-clogging porous membrane for high efficiency sorting and patterning of cells/beads. The membrane exhibits four interesting features: anti-clogging, patterning of micro-entities of different sizes, bi-directional separation and simultaneous separation and patterning of micro-entities.