What is it about?

Microfluidic water-in-oil droplets are a powerful platform for performing chemical and biological reactions on-chip. If these reactions can be individually controlled, then the number of reactions that can be performed are greatly expanded. One way of doing this is to produce droplets on-demand, though conventional methods to do this are largely incompatible with high throughput, rapid miniaturized systems.

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Why is it important?

Here we present a method for the on-demand production of individual picoliter scale droplets where the pressure source is located on-chip. Using the same travelling wave force used to produce droplets, it is also possible to pre-concentrate particles before encapsulating them in a droplet.

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This page is a summary of: Surface acoustic waves for on-demand production of picoliter droplets and particle encapsulation, Lab on a Chip, January 2013, Royal Society of Chemistry,
DOI: 10.1039/c3lc50372k.
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