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Breakthrough towards lab-on-chip system for fast detection of single nucleotide variations in DNA

Panasonic, core partner within imec's Human++ program, and imec today presented at the International Electron Devices Meeting in San Francisco various critical components of a biomedical lab-on-chip sensor enabling fast detection of Single Nucleotide Polymorphisms (SNPs) in DNA, such as a miniaturized pump for on-chip generation of high pressures, a micropillar filter optimized for DNA separation achieving world-record resolution, and a SNP detector allowing on-chip detection using very small sample volumes.

Posted: Dec 9th, 2010

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World's first microlaser emitting in 3-D

Versatile electronic gadgets should employ a number of important criteria: small in size, quick in operation, inexpensive to fabricate, and deliver high precision output. A new microlaser, developed at the Jozef Stefan Institute in Ljubljana, Slovenia embodies all these qualities. It is small, tunable, cheap, and is essentially the world's first practical three-dimensional laser.

Posted: Dec 8th, 2010

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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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