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Packing the ions - discovery boosts supercapacitor energy storage

Drexel University's Yury Gogotsi and colleagues recently needed an atom's-eye view of a promising supercapacitor material to sort out experimental results that were exciting but appeared illogical. The team discovered you can increase the energy stored in a carbon supercapacitor dramatically by shrinking pores in the material to a seemingly impossible size - seemingly impossible because the pores were smaller than the solvent-covered electric charge-carriers that were supposed to fit within them.

Posted: Jun 17th, 2011

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3D plasmon rulers may offer unprecedented view of critical biological events

The world's first three-dimensional plasmon rulers, capable of measuring nanometer-scale spatial changes in macromolecular systems, could provide scientists with unprecedented details on such critical dynamic events in biology as the interaction of DNA with enzymes, the folding of proteins, the motion of peptides or the vibrations of cell membranes.

Posted: Jun 16th, 2011

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Stretchable electronics report how you feel

Uppsala researcher Zhigang Wu, working with collaborators, has devised a wireless sensor that can stand to be stretched. For example, the sensor can measure intensive body movements and wirelessly send information directly to a computer.

Posted: Jun 16th, 2011

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Procedure for carrier profiling in nanowire-based transistors

Imec researchers have developed a methodology to quantitatively map the distribution of active dopants in confined 3D-volumes. This is an important step towards in-depth understanding of transistors based on semiconductor nanowires. The new methodology is based on high-vacuum scanning spreading resistance microscopy (HV-SSRM).

Posted: Jun 16th, 2011

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Improving solar cells with the microelectronics toolbox

To make solar energy generation cost-effective, the PV industry has to reduce its manufacturing costs well below 1 euro/Wp. This holds for all PV technologies. To reach that ambitious goal, the crystalline Si based PV industry will have to increase the solar cell's efficiency while at the same time reducing the amount of high-purity Si that is used.

Posted: Jun 16th, 2011

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Pioneering miniaturized e-nose technology

Imec and Holst Centre are working on a number of gas sensing technologies, relentlessly scaling the sensor, readout electronics and power consumption. The result will be sensors-on-a-chip, used as standalone e-nose (electronic nose), or as nodes in low-power, wireless sensor networks.

Posted: Jun 16th, 2011

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FDA opens dialogue on nanotechnology regulation

The Food and Drug Administration is opening a dialogue on nanotechnology by publishing proposed guidelines on how the agency will identify whether nanomaterials have been used in FDA-regulated products.

Posted: Jun 15th, 2011

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