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Graphene and DNA

By Guest PostMarch 24, 2012Scienceatom, branislav nikolic, carbon atom, cees dekker, device concept, dna detection, dna sequencing, electron beam, electronic current, genetic sequencing, grapheme, graphite, honeycomb pattern, jene golovchenko, kamal saha, marija drndic, nanodevice, nanopores, nanoribbon, nobel prize, quantum, university of delaware, university of pennsylvania, wonder material

‘Wonder material’ may hold key to fast, inexpensive genetic sequencing

Look at the tip of that old pencil in your desk drawer, and what you’ll see are layers of graphite that are thousands of atoms thick. Use the pencil to draw a line on a piece of paper, and the mark you’ll see on the page is made up of hundreds of one-atom layers.

But when scientists found a way—using, essentially, a piece of ordinary sticky tape—to peel off a layer of graphite that was just a single atom thick, they called the two-dimensional material graphene and, in 2010, won the Nobel Prize in physics for the discovery. (more…)

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Graphene and DNA