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Semiconductor innovations key to U.S. economic growth

The Semiconductor Industry Association (SIA), representing U.S. leadership in semiconductor manufacturing and design, today announced that Dr. Jeff Welser testified at a hearing on the future of nanotechnology research and the National Nanotechnology Initiative (NNI) on behalf of the SIA, the Semiconductor Research Corporation (SRC) and the Nanoelectronics Research Initiative (NRI) today in the House Committee on Science, Space and Technology's Subcommittee on Research and Science Education.

Posted: Apr 14th, 2011

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DNA origami used to create 3-D nanostructures

Miniature architectural forms - some no larger than viruses - have been constructed through a revolutionary technique known as DNA origami. Now, Hao Yan, Yan Liu and their colleagues at Arizona State University's Biodesign Institute have expanded the capability of this method to construct arbitrary, two and three-dimensional shapes, mimicking those commonly found in nature.

Posted: Apr 14th, 2011

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Towards a more efficient use of solar energy

The exploitation and utilization of new energy sources are considered to be among today's major challenges. Solar energy plays a central role, and its direct conversion into chemical energy, for example hydrogen generation by water splitting, is one of its interesting variants. Titanium oxide-based photocatalysis is the presently most efficient, yet little understood conversion process. Scientists have studied the basic mechanisms of photochemistry by the example of titania and have presented new detailed findings.

Posted: Apr 14th, 2011

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New low-cost photovoltaic materials to develop the next generation of solar cells

The direct conversion of sunlight into electricity using photovoltaics is becoming an increasingly important technology for renewable energy generation as a replacement for fossil fuels, with applications from large-scale generation to roof-top solar panels and even mobile phones. But photovoltaics still accounts for only a marginal fraction of global energy supply. One of the main reasons for this is the relatively high cost of the base material - silicon - used in the most common type of solar cell.

Posted: Apr 14th, 2011

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Blood vessel simulation probes secrets of brain

Newer, faster supercomputers have allowed scientists to create detailed models of blood flow that help doctors understand what happens at the molecular level and, consequently, how heart and blood diseases can be treated.

Posted: Apr 14th, 2011

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Hopping protons

How do you simulate the behaviour of protons and amino acids on the computer? How do you depict experiments to study their behaviour as more or less water is introduced? These questions may seem trivial in this age of powerful computers. Yet, it turns out this task will remain almost impossible to solve until new mathematical algorithms are found.

Posted: Apr 14th, 2011

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Plasma nanoscience needed for green energy revolution

A step change in research relating to plasma nanoscience is needed for the world to overcome the challenge of sufficient energy creation and storage, says a leading scientist from CSIRO Materials Science and Engineering and the University of Sydney, Australia.

Posted: Apr 14th, 2011

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Nanoinformatics 2020 roadmap published

The National Nanomanufacturing Network is very pleased to announce that the Nanoinformatics 2020 Roadmap, a guidance document written by and intended for the broader nanoinformatics community, is now publicly available. Nanoinformatics encompasses the acquisition of information relevant to the nanoscale science and engineering community and the implementation of effective mechanisms for working with that information.

Posted: Apr 13th, 2011

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