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Sound makes nanowires blink

When made from semiconductors these nanowires not only transport electric current along their axis but also can very efficiently emit light. Researchers have now combined these two fundamental properties.

Posted: Mar 21st, 2011

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Nanotechnology: Engines On

Controlling climate change, abandoning dependency on fossil fuels, and creating the conditions for sustainable development will require as great a transformation as our ancestors accomplished over tens of thousands of years in moving from agrarian to urban societies. "Nanotechnology: Engines On" is a new book about how Nanotechnology is contributing to solve this vital challenges.

Posted: Mar 18th, 2011

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New blood analysis chip could lead to disease diagnosis in minutes

A major milestone in microfluidics could soon lead to stand-alone, self-powered chips that can diagnose diseases within minutes. The device, developed by an international team of researchers from the University of California, Berkeley, Dublin City University in Ireland and Universidad de Valparaiso Chile, is able to process whole blood samples without the use of external tubing and extra components.

Posted: Mar 18th, 2011

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'Seeding' the next generation of smart materials

Scientists at CSIRO have developed a simple but effective technique for growing and adding value to an exciting new group of smart materials which could be used in areas such as optical sensing and drug storage and delivery.

Posted: Mar 18th, 2011

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Electrodeionization technology to reduce cost to process biomass-based chemicals, fuels and treat water

Argonne National Laboratory and Nalco Company, with headquarters in Naperville, Ill., have reached a licensing agreement for an electrodeionization technology that will help significantly reduce the cost of producing clean energy and of the chemicals and water used in industry. The separations technology can process biomass-based feedstocks into biofuels and chemicals.

Posted: Mar 18th, 2011

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Scientists use light to join nanoparticles into new materials

Researchers at Argonne National Laboratory shined a low-power laser - similar in intensity to ones used in office laser pointers - into a solution of gold and carbon nanoparticles suspended in water. Unexpectedly, they found that the carbon nanoparticles decomposed or deformed to create a kind of "glue" that enabled the creation of long gold and carbon chains that assembled continuously wherever the laser was pointed.

Posted: Mar 18th, 2011

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Greener Nano - Advancing applications and reducing risk

GN11 will address challenges and opportunities for nanotechnology, and delineate how companies can incorporate green nanotechnology into its products and processes. The meeting will focus on two key research areas where reduction to practice has the most potential to significantly advance the field. It will highlight state-of-the-art in materials and characterization challenges, and biological impacts of nanotechnology.

Posted: Mar 18th, 2011

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Tiny 'on-chip detectors' count individual photons

A team of researchers has integrated tiny detectors capable of counting individual photons on computer chips. These detectors, called "single-photon avalanche diodes (SPAD)," act like mini Geiger counters, producing a "tick" each time a photon is detected.

Posted: Mar 17th, 2011

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Green sludge can protect groundwater from radioactive contamination

Radioactive waste decaying down at the dump needs millions of years to stabilize. The element Neptunium, a waste product from uranium reactors, could pose an especially serious health risk should it ever seep its way into groundwater - even 5 million years after its deposition. Now, researchers at the University of Copenhagen have shown the hazardous waste can be captured and contained.

Posted: Mar 17th, 2011

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Modified mRNA is the key to novel anti-cancer therapy

Modifications of ribonucleic acid mRNA introduced by scientists from the Faculty of Physics, University of Warsaw in collaboration with the Louisiana State University are blazing a trail for safer and more effective gene drugs. Clinical trials of the first new-generation anti-cancer vaccine, developed in Germany with the aid of the Polish invention, will begin already later this year.

Posted: Mar 17th, 2011

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