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December 18 2013

'Walking' DNA motor on nanotube tracks could someday deliver drugs


Inspired by natural biological "motors" made of protein, researchers at Purdue University have developed a DNA-based molecule that can "walk" across the surface of nanotubes, potentially carrying nanomeds with them for the purpose of drug delivery.

In living cells, protein-based motors transport cargo by inching along tubes within the cell, according to the team's abstract in the journal Nature Nanotechnology. By changing its shape and binding to consecutive parts of the tube's surface, these natural molecules are able to travel as far as a micrometer (1,000 nanometers)...



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