Figure 4: Self-assembling microfluidic devices.
From: Differentially photo-crosslinked polymers enable self-assembling microfluidics
(a) An illustration of a self-assembling microfluidic device with PDMS inlets/outlets attached to a Si substrate and with PDMS channels integrated with a differentially crosslinked SU-8 film. (b,c) A brightfield image of a 3.5-cm long-multilayer SU-8/PDMS microfluidic device containing a single channel, (b) as patterned on a Si substrate, and (c) after self-assembly. (d) A brightfield image of a self-assembled microfluidic device with dual channels. (e,f) Fluorescence images showing the flow of (e) fluorescein (green), and (f) fluorescein (green)/rhodamine B (red) through single and dual channel devices, respectively. Scale bars are 500 μm (1 mm for b).
