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Updated: Feb 2, 2026

Real-time Measurement of Epithelial Barrier Permeability in Human Intestinal Organoids
Published on: December 18, 2017
Direct laser writing of barriers with controllable permeability in porous glass
Abstract:
Barriers were produced in porous glass through its local bulk density modification by direct femtosecond writing accompanied by СО2-laser surface thermal densification, to make functional microfluidic elements separated by such physical barriers with different controlled permeability. The separation of multi-component solutions into individual components with different molecule sizes (molecular separation) was performed in this first integrated microfluidic device fabricated in porous glass. Its application in the environmental gas-phase analysis was demonstrated.
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