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Vaults: From Biological Mystery to Nanotech Workhorse? Natural nano-capsules show promise for drug delivery, electrical switches and circuitsNaturally occurring nano-capsules, known as "vaults," could provide a whole new class of delivery vehicles for therapeutic drugs and DNA, according to recent research. Indeed, vaults could be used for a wide range of applications in nanotechnology -- even though no one can figure out how nature itself uses them.
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