DRUGS could be delivered from minuscule medicine cabinets made of DNA thanks to an advance in “DNA origami”.
Jørgen Kjems of the Centre for DNA Nanotechnology at Aarhus University, Denmark, and colleagues have created a self-assembling DNA “box” which can be opened with DNA “keys”. One day, such structures could be filled with drugs, injected into the blood, and then unlocked when and where the drugs are required.
Three years ago, Paul Rothemund at the California Institute of Technology in Pasadena created a map of the Americas using nothing but DNA. His technique exploited the fact that complementary…
