Using DNA as a sort of Velcro, two separate teams of scientists have created what may be the first nanomaterials that assemble themselves into ordered 3-D structures. The techniques may enable the creation of crystals with novel properties.
Using the propensity of DNA's chemical bases to bind to their ideal complements—A with T, C with G—researchers had previously put DNA to work to self-assemble into orderly 2-D arrangements or chaotic 3-D lumps.
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