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Keywords:

  • actuators;
  • DNA structures;
  • FRET;
  • nanotechnology;
  • strand displacement reaction
Thumbnail image of graphical abstract

The back cover picture shows three types of extended actuators having unprecedented size and complexity. In their Full Paper on page^^636^^ff., K. V. Gothelf and co-workers outline the construction of mechanical actuators based on DNA sliding through sequence homologogy. These linear, triangular, and quadrilateral DNA structures were characterized by gel electrophoresis and Förster resonance energy transfer spectroscopy to clearly demonstrate the designed motion for each actuator.