Nanocapsules bubble up

Japanese researchers have developed a technique for the production of silicon dioxide nanocapsules using tiny bubbles of carbon dioxide in a silicon copolymer.
Nanocapsules have very thin shells and diameters in the nanometre range. They hold a tiny volume of liquid and protect their cargo while transporting it through a foreign medium, such as in a human blood vessel, without any loss. Applications for nanocapsules include the delivery of medication and the encapsulation of scents, printer ink, and adhesives. Once at their destinations, the payloads are released by pressure or friction.
Lei Li and Hideaki Yokoyama, from
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