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Archive for February, 2008

DNA building blocks that change shape provide new tool for nanotechnology

Posted by Jim Lewis on February 8th, 2008

Tetrahedrons made from DNA that extend and shorten in response to added short strands of DNA may provide new nanotech methods of drug delivery, but may present even more exciting possibilities for atomically precise functional nanosystems.

Using DNA nanotechnology to build three-dimensional crystals

Posted by Jim Lewis on February 7th, 2008

In a major nanotech advance in constructing designer materials, DNA has been used to assemble gold nanoparticles into three-dimensional crystals.

A new base pair for DNA nanotechnology

Posted by Jim Lewis on February 6th, 2008

A new DNA base pair that works with at least one enzyme that replicates DNA opens up new possibilities for nanotech.

Nanotechnology: Early work on nanomotors

Posted by Christine Peterson on February 1st, 2008

The Royal Society of Chemistry brings news of early work leading toward designed engines for nanomachines: Dutch scientists have made nanotubes move using enzyme-powered motors. Ben Feringa and co-workers from the University of Groningen, The Netherlands, have designed engines for nanomachines that could potentially be used in the body. Hydrogen peroxide has proven useful as [...]