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Metal nanoparticle generates new hope for hydrogen energy

Tiny metallic particles produced by University of Adelaide chemistry researchers are bringing new hope for the production of cheap, efficient and clean hydrogen energy. The researchers are exploring how the metal nanoparticles act as highly efficient catalysts in using solar radiation to split water into hydrogen and oxygen.

Posted: Jun 29th, 2011

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Beyond Darwin: Evolving new functions

A recent Kavli Futures Symposium focused on the progress, and promise, of evolving biological functions in the lab. Now, 3 Symposium participants discuss this remarkable research, and how it's drawing together diverse scientific fields.

Posted: Jun 28th, 2011

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Inkjet printing could change the face of solar energy industry

Engineers at Oregon State University have discovered a way for the first time to create successful "CIGS" solar devices with inkjet printing, in work that reduces raw material waste by 90 percent and will significantly lower the cost of producing solar energy cells with some very promising compounds.

Posted: Jun 28th, 2011

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New method for imaging molecules inside cells

Using a new sample holder, researchers at the University of Gothenburg, Sweden, have further developed a new method for imaging individual cells. This makes it possible to produce snapshots that not only show the outline of the cell's contours but also the various molecules inside or on the surface of the cell, and exactly where they are located, something which is impossible with a normal microscope.

Posted: Jun 28th, 2011

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Raman nanoparticle-aided imaging of tumors moves closer to human trials

In 2008, a team of investigators at Stanford University's Center for Cancer Nanotechnology Excellence demonstrated that they could use a technique known as nanoparticle-aided Raman spectroscopy to look at microscopic structures, including nascent tumors, deep inside the body. That team has now conducted extensive preclinical tests and shown that the gold nanoparticles can be safely administered into the colon and used with a Raman endoscope to image the inside of the large intestines.

Posted: Jun 28th, 2011

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New instrument keeps an electronic 'eye' on nanoparticles

Precision measurement in the world of nanoparticles has now become a possibility thanks to scientists at the University of California-Santa Barbara (UCSB). The UCSB research team has developed a new instrument capable of detecting and analyzing individual nanoparticles with diameters as small as a few tens of nanometers.

Posted: Jun 28th, 2011

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Improving health assessments with a single cell

Research led by scientists from the California Institute of Technology has shown that a new generation of microchips developed by the team can quickly and inexpensively assess immune function by examining biomarkers - proteins that can reflect the response of the immune system to disease - from single cells.

Posted: Jun 28th, 2011

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Fluorescent nanotubes illuminate the inner workings of laboratory mice

A team of investigators from Stanford University has developed an improved imaging method using fluorescent carbon nanotubes that create color images centimeters beneath the skin with far more clarity than conventional dyes provide. For a creature the size of a mouse, a few centimeters makes a great difference.

Posted: Jun 28th, 2011

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Stacking graphene layers

Method holds promise for making two- or three-tier graphene films that could be used for new electronic devices.

Posted: Jun 28th, 2011

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