Unexpected Glow | Chemical & Engineering News
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Web Date: January 17, 2012

Unexpected Glow

Materials Science: Photoluminescent nanoparticles emerge from cheap carbon fibers
Department: Science & Technology
News Channels: Materials SCENE, Biological SCENE
Keywords: cellular imaging, quantum dots, graphene, graphene oxide

Researchers have stumbled upon a cheap and simple method to produce graphene particles that shine like quantum dots (Nano Lett., DOI: 10.1021/nl2038979). These small flakes, which are often only two to three layers of carbon atoms thick, could be a less toxic alternative to the metal-based quantum dots that researchers use to image cells, the researchers say.

To label proteins and other cellular structures, . . .

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