Volume 96 Issue 4 | p. 8 | Concentrates
Issue Date: January 22, 2018

Robot arm carries nanoscale cargo

Fast-moving DNA origami device controlled by electric field
By Mark Peplow, special to C&EN
Department: Science & Technology
News Channels: Biological SCENE, Nano SCENE
Keywords: Nanomaterials, DNA origami, robot

Taking a step toward a nanoproduction line of the future, researchers in Germany have developed a DNA “robot arm” that can move cargo from one point to another (Science 2018, DOI: 10.1126/science.aao4284). The system relies on DNA origami structures, built from strands of DNA that self-assemble into predetermined shapes. The team created a 55-nm-wide DNA origami platform and a sturdy 25-nm-long bundle of DNA helices to form an arm. One end of the . . .

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