Light-responsive Materials for Microfluidic Applications
Ter Schiphorst, Jeroen
Saez Castaño, Janire
Benito López, Fernando
Schenning, Albertus P. H. J.
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Lab on a Chip 18(5) : 699-709 (2018)
While the microfluidic device itself may be small, often the equipment required to control fluidics in thechip unit is large e.g. pumps, valves and mixing units, which can severely limit practical use and functionalscalability. In addition, components associated with fluidic control of the device, more specifically thevalves and pumps, contribute significantly to the overall unit cost. Here we sketch the problem of a gap between high end accurate, but expensive sensor platforms, versus less accurate, but widely employable hand-held low-cost devices. Recent research has shown that the integration of light-responsive materials within microfluidic devices can provide the function of expensive fluidic components, and potentially enable sophisticated measurements to be made using much less expensive equipment. An overview of the most recent developments will be presented for valves, mixers, transport and sample handling inside microfluidic devices.