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Carbon in Quantum Dot-Land |
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For the past several years, biologists have watched proteins and other molecules travel in and around cells and tissues due to the invention of tiny little fragments of matter known as quantum dots. A blast of light makes these fragments glow different colors depending on their size, allowing the masterpiece of life to become visible and coded with color. The current quantum dots available, however, contain poisonous Cadmium and hence are not suitable from the point of view of biology. But now, researchers at Clemson University (SC) have come up with a revolution kind of in chemistry and have made quantum dots from carbon which is a new step in quantum dot-tery (J. Am. Chem. Soc. 2006, 128, 7756–7757).
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