Built for speed: DNA nanomachines take a (rapid) step forward

When it comes to matching simplicity with staggering creative potential, DNA may hold the prize. Built from an alphabet of just four nucleic acids, DNA provides the floorplan from which all earthly life is constructed.

Programming DNA to deliver cancer drugs

DNA has an important job—it tells your cells which proteins to make. Now, a research team at the University of Delaware has developed technology to program strands of DNA into switches that turn proteins on and off.

Top-down design brings new DNA structures to life

Among the valuable holdings in London's Wellcome Library is a rough pencil sketch made in 1953 by Francis Crick. The drawing is one of the first to show the double-helix structure of DNA—Nature's blueprint for the design ...

DNA devices perform bio-analytical chemistry inside live cells

Some biochemistry laboratories fashion proteins into complex shapes, constructing the DNA nanotechnological equivalent of Baroque or Rococo architecture. Yamuna Krishnan, however, prefers structurally minimalist devices.

Researchers build nanoscale autonomous walking machine from DNA

Researchers at The University of Texas at Austin have developed a nanoscale machine made of DNA that can randomly walk in any direction across bumpy surfaces. Future applications of such a DNA walker might include a cancer ...

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