How can an active fundamental be delivered in a hard drug way? Until now, there was no obvious answer to this question. Now however, researchers at the CNRS Paul Pascal inquest Center in Bordeaux have designed smart capsules that are able to release their nub on demand, simply by raising the temperature. Described in an article published on 2 February 2010 in the journal Langmuir, this novel system has just been patented. It opens up the way to many applications in a large number of fields such as food, perfumes and agriculture, for instance to deliver pesticides above a set temperature.

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