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Porous silica nanoparticles deliver anticancer therapy

In cancer research, nanotechnology holds great promise for the development of targeted, localized delivery of anticancer drugs, in which only cancer cells are affected. By carrying out comprehensive studies on mice with human tumors, scientists at the University of California, Los Angeles, have obtained results that move the research one step closer to this goal.

Posted: Aug 17th, 2010

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Nanosensors detect signs of cancer in human breath

With a single breath, a Breathalyzer can tell a police officer when a driver has had too much to drink. Now, thanks to a team of investigators at the Israel Institute of Technology, a single breath may be enough to tell a doctor that their patient has cancer.

Posted: Aug 17th, 2010

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Major hurdle cleared for organic solar cells

Researchers demonstrate enhanced performance of a hybrid photovoltaic device, where poly[3-hexylthiophene] (P3HT) is used as active material and a solution-processed thin flat film of ZnO modified by a self-assembled monolayer (SAM) of phenyl-C61-butyric acid (PCBA) is used as electron extracting electrode.

Posted: Aug 17th, 2010

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Nanocoating safely kills MRSA on contact

Building on an enzyme found in nature, researchers at Rensselaer Polytechnic Institute have created a nanoscale coating for surgical equipment, hospital walls, and other surfaces which safely eradicates methicillin resistant Staphylococcus aureus (MRSA), the bacteria responsible for antibiotic resistant infections.

Posted: Aug 16th, 2010

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Fractals make better superconductors

A research team from Rome, Grenoble and London report that the strength of the superconductivity - its ability to persist as temperature is increased - correlates in certain oxide materials with structures visible over a range of length scales. Intriguingly, these structures extend almost to the millimeter scale, and have a 'fractal' nature, similar to the intricate patterns in a snowflake.

Posted: Aug 16th, 2010

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Breakthrough nanoparticle gene therapy prevents retinal degeneration

In one of only two studies of its kind, a study from researchers at Tufts University School of Medicine and the Sackler School of Graduate Biomedical Sciences at Tufts demonstrates that non-viral gene therapy can delay the onset of some forms of eye disease and preserve vision. The team developed nanoparticles to deliver therapeutic genes to the retina and found that treated mice temporarily retained more eyesight than controls.

Posted: Aug 16th, 2010

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