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Graphene Sandwich Improves Biomolecule Imaging

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Atomic-level images of a biological molecule in its natural environment can now be obtained by sandwiching the wet sample between sheets of graphene. A team at the University of Illinois at Chicago developed the technique, which shows the molecule ferritin — a highly conserved protein that regulates and sequesters excess, potentially toxic iron levels, and releases iron when needed — in its natural, watery environment. Historically, such a view has been impossible because electron microscopes require that samples be in a vacuum. Biological samples typically have been...Read full article

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