Microfluidics (IMAGE)
Caption
This image shows the flow-focusing microfluidic capillary device used to produce the silicone microcapsules, where fluids 1, 2 and 3 correspond to the carbonate solution, ultraviolet-curable silicone, and an outer aqueous solution, respectively.
Credit
Image courtesy of John Vericella, Chris Spadaccini, and Roger Aines, LLNL; James Hardin and Jennifer Lewis, Harvard University; and <i>Nature</i>.
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Editorial use only.
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