A novel method to transfer porous PDMS membranes for high throughput Organ-on-Chip and Lab-on-Chip assembly
W.F. Quiros-Solano (TU Delft - Electronic Components, Technology and Materials)
N. Gaio (TU Delft - Electronic Components, Technology and Materials)
C. Silvestri (TU Delft - Tera-Hertz Sensing)
Y.B. Arik (University of Twente)
O.M.J.A. Stassen (Eindhoven University of Technology)
A.D. van der Meer (University of Twente)
C.V.C. Bouten (Eindhoven University of Technology)
A. van den Berg (University of Twente)
R. Dekker (TU Delft - Electronic Components, Technology and Materials)
P.M. Sarro (TU Delft - Electronic Components, Technology and Materials)
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Abstract
We present a novel method to easily and reliably transfer highly porous, large area, thin microfabricated Polydimethylsiloxane (PDMS) porous membranes on Lab-on-Chip (LOC) and Organ-on-Chip (OOC) devices. The use of silicon as carrier substrate and a water-soluble sacrificial layer allows a simple and reproducible transfer of the membranes to any PDMS-based OOC and LOC device. The use of IC and MEMS compatible techniques reduces significantly the fabrication time and the need of manual handling. Our method is suitable for automatic assembling systems, such as pick-and-place, crucial to significantly increase the throughput of OOC and LOC devices assembling. Membranes with 8 μm pore size and as thin as 4 μm are successfully transferred. The viability and biocompatibility of the transfer was assessed by culturing two different cell lines on an OOC with transferred porous PDMS membranes.