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Silicon nanowire device can detect dengue viruses in less than 30 minutes

Scientists have developed a silicon nanowire-based biosensor that can detect the 'reverse transcription polymerase chain reaction' product of dengue type 2 (DEN-2) viruses in less than 30 minutes. The device utilizes silicon nanowires affixed with peptide nucleic acid (PNA) probes to recognize complementary DNA fragments of DEN-2.

Dec 8th, 2010

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Photonics: The full spectrum

The successful growth of high-quality indium nitride thin films makes it possible to produce nitride-based light-emitting diodes with a full visible emission spectrum.

Dec 8th, 2010

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Nanotechnology engineer's novel liquid provides a solid fix for broken bones

Here's the vision: an elderly woman comes into the emergency room after a fall. She has broken her hip. The orthopaedic surgeon doesn't come with metal plates or screws or shiny titanium ball joints. Instead, she pulls out a syringe filled with a new kind of liquid that will solidify in seconds and injects into the break. Over time, new bone tissue will take its place, encouraged by natural growth factors embedded in the synthetic molecules of the material.

Dec 7th, 2010

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Winners of inaugural defense fellowships to further research at NTU

The inaugural Temasek Research Fellowship will be awarded to Dr Oleg Vasylkiv, 42, a Ukrainian scientist who is regarded as a rising star in the cutting-edge field of materials science. Singaporean scientist, Dr Edwin Teo Hang Tong, 31, will be the first to receive the Nanyang-DSO Post-Doctoral Fellowship.

Dec 7th, 2010

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6th Annual Livingston Nanotechnology Conference returns today

Since 2005, the Livingston Nanotechnology Conference has been New York's largest gathering for corporations, investors, government and scientific leaders, as well as other stakeholders who understand that fundamental advances at the nanoscale can have a great impact on industry, business and society.

Dec 7th, 2010

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Duelling dipoles - In search of a new theory of photosynthetic energy transfer

Chemists of Ludwig-Maximilians-Universitaet (LMU) in Munich have refuted a basic postulate of Foerster theory, which describes energy transfers between pigment molecules, such as those that underlie photosynthesis. A revised version of the theory could have an impact on the design of optical computers and improve the efficiency of solar cells.

Dec 7th, 2010

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Chalcogenide photonics: Fabrication, devices and applications

Recent progress in chalcogenide glass photonics has been driven by scientific and technological challenges in a variety of areas. These range from increased demand for bandwidth in optical communications, to the emergence of bio-health hazards associated with hazardous microorganisms that absorb at mid-infrared wavelengths, to defense applications that require bright mid-infrared sources.

Dec 6th, 2010

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