Quantum Dots made brighter by a 108 to 550 times factor

By placing quantum dots on a specially designed photonic crystal, researchers at the University of Illinois have demonstrated enhanced fluorescence intensity by a factor of up to 108. Potential applications include high-brightness light-emitting diodes, optical switches and personalized, high-sensitivity biosensors. A quantum dot is a tiny piece of semiconductor material 2 to 10 nanometers in …

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New Lung cancer test for 99% effective early detection

esearchers at a Gaithersburg, MD, pharmaceutical company say they have found that 99 percent of patients with all stages of lung cancer have detectable levels of a particular protein in their blood that healthy individuals do not. The company, Panacea Pharmaceuticals, is reporting encouraging preliminary results for its test for the protein this week at …

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Smallest transistor made from graphene

Professor Andre Geim and Dr Kostya Novoselov from The School of Physics and Astronomy at The University of Manchester, reveal details of transistors that are only one atom thick and less than 50 atoms wide, in the March issue of Nature Materials. Professor Geim and colleagues have shown for the first time that graphene remains …

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