Journal
ADVANCED MATERIALS TECHNOLOGIES
Volume 1, Issue 2, Pages -Publisher
WILEY
DOI: 10.1002/admt.201600028
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Funding
- ETH Zurich
- Marie Curie Actions for People COFUND Program
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Herein, a method is reported that combines droplet-based microfluidics and microscope projection photolithography for the generation of poly ethylene glycol diacrylate microgels and their encapsulation within pL-volume droplets. By implementing continuous-flow photolithography in the vicinity of a cross junction, the real-time generation and in situ encapsulation of fiber-like structures within pL-volume aqueous microdroplets is demonstrated. The effect of UV excitation is assessed at varying distances from the cross junction for both constant and pulsed UV excitation modes, as a route to controlling microfiber length. Finally, UV excitation within trapped droplets is explored and how the combination of the two techniques can lead to the generation of 3D patterned microstructures is demonstrated, opening new avenues for the rapid generation of inner scaffolding of artificial cell facsimiles.
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