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Herein we demonstrate remarkable control of flow within fluidic channels using photo-actuated hydrogel valves. By polymerizing the valves in situ it has been possible to create highlyreproducible valves. Through the use of an LED platform and a PID algorithm we have generated extremely accurate flow control and created prototype devices to document their potential application within the microfluidics field.
Delaney, C. et al. (2017). Precise flow-control using photo-actuated hydrogel valves and pid-controlled LED actuation. MFHS: 3rd Conference On Microfluidic Handling Systems 4-6 Oct 2017, Enschede, Netherlands.