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Molecular motors

DNA gets a little cagey

DNA self-assembly is the basis for building three-dimensional structures. Now it is possible to use DNA as 'fuel' to change the shape of these nanostructures.

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Figure 1: Simply adding or removing a DNA strand can cause tetrahedra built from DNA to expand and contract.

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Mao, C. DNA gets a little cagey. Nature Nanotech 3, 75–76 (2008). https://doi.org/10.1038/nnano.2008.24

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