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The latest news from academia, regulators
research labs and other things of interest

Bacteria with 'force sensors'

Researchers studied how the tensile forces by which cells stretch connective tissue fibres affect the interaction between bacteria and fibronectin.

Posted: Dec 8th, 2010

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Photolithography using a two-photon laser makes it possible to produce precise microstructured scaffolds for tissue engineering

The repair of organs, such as human kidney and liver, hinges on the development of three-dimensional (3D) tissue scaffolds with well-defined microstructures. Andrew Wan, Jackie Y. Ying and co-workers at the A*STAR Institute of Bioengineering and Nanotechnology have now developed a photolithography method that can be used to fabricate microstructured 3D tissue materials with high precision.

Posted: Dec 8th, 2010

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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.

Posted: 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.

Posted: 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.

Posted: Dec 7th, 2010

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