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Strain on nanocrystals could yield colossal results

In finally answering an elusive scientific question, researchers with the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) have shown that the selective placement of strain can alter the electronic phase and its spatial arrangement in correlated electron materials.

Posted: Sep 17th, 2009

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Researcher proposes to shrink ionic liquid polymers to nanoscale

Rochester Institute of Technology scientist Tom Smith is experimenting with synthesizing liquid salts into a gel. He recently received an EAGER (EArly-concept Grants for Exploratory Research) grant from the National Science Foundation to create an entirely new material - a polymer, or a plastic, from ionic liquid monomers - that will confine charge-carrying ions in a gelled, pseudo-liquid state.

Posted: Sep 16th, 2009

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With a flash of light, a neuron's function is revealed

There's a new way to explore biology's secrets. With a flash of light, scientists from the U.S. Department of Energy's Lawrence Berkeley National Laboratory and the University of California, Berkeley zeroed in on the type of neural cell that controls swimming in larval zebrafish.

Posted: Sep 16th, 2009

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How to create particles capable of complex interactions with biological systems

Functionalized nano- and microscale particle systems have become a key component in biomedical applications, from drug delivery to prosthetics. Their small size and potential for modification and functionalization make them ideal for performing specific tasks within the human body. But can these materials be controlled at the structural level, to create particles capable of complex interactions with biological systems?

Posted: Sep 16th, 2009

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Nanocrystals could make anti-cancer drugs more efficient

In an interdisciplinary study, scientists have developed a method that allows them to monitor the distribution of compounds in whole animals by taking snapshots at different times after injection. The technique relies on the attachment of fluorescent nanocrystals to fragments of DNA.

Posted: Sep 16th, 2009

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Carbon nanotube risk assessment

Italian scientists suggest that we need a much more detailed toxicological approach to hazard assessment before judgement regarding the long-term safety of carbon nanotubes can be made.

Posted: Sep 16th, 2009

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Optics made to measure

If you are in the business of developing high-speed electronic components, it pays not to lose sight of the electrons. To keep track of them you will need to use dedicated optical elements, such as those now on offer from UltraFast Innovations GmbH.

Posted: Sep 16th, 2009

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Spelling B-Y-U with DNA

College football fans cheer when marching bands spell out the home team?s name in gigantic letters on the field at halftime. Now scientists in Utah are reporting the ultimate in one-upmanship: Development of a new technology for writing the school name in letters so small that 500 would fit across the diameter of a human hair.

Posted: Sep 16th, 2009

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