This is what they call in the blog biz a "DNA Two-fer." Earlier today we heard about self-assembling DNA circuits, and now what do we have? NYU chemistry professor Nadrian Seeman and his colleagues have developed what they call "DNA robot factories." Featuring a DNA track (like an assembly line), molecular forklifts for delivering parts, and a DNA "walker" that CNET describes as moving "like a car on an assembly line," the invention is currently being used to construct various types of gold nanoparticle chemical species (whatever that means), although it could eventually be used in processors or for building on the cellular level. Hit up the source link to see the Nature article for all the in-depth details of this nanoscale assembly line.
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