PROFESSOR ENZO DI FABRIZIO, IIT / SCIENCE PHOTO LIBRARY PROFESSOR ENZO DI FABRIZIO, IIT / SCIENCE PHOTO LIBRARY
High-contrast direct DNA image. Transmission electron micrograph (TEM) of the first high-contrast direct image of a bundle (fibre) of strands of DNA (deoxyribonucleic acid). This bundle is six DNA strands wrapped around a seventh. The width of the bundle is around 20 nanometres. This image was obtained by a team led by Enzo di Fabrizio from the Department of Nanostructure, at the Italian Institute of Technology (IIT) in Genoa. The results were published in November 2012 in the journal Nanoletters, and in Nature in January 2013. For a version of this image with an inset and scale bar, see C015/1926.
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