Daily non-political popular news in brief.

Solar cells of the future

12-18-2007 · EurekAlert!

A new material, nano flakes, may revolutionize the transformation of solar energy to electricity.

Keywords: solar, cells, future, cell

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Silicon nanoparticles enhance performance of solar cells
08-20-2007 · EurekAlert!
Placing a film of silicon nanoparticles onto a silicon solar cell can boost power, reduce heat and prolong the cell's life, researchers now report.
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Cell division studies hint at future cancer therapy
01-22-2008 · EurekAlert!
When a cell's assets get divided between daughter cells, Dr. Quansheng Du wants to make sure both offspring do well.He's dissecting the complex, continuous and amazing process that enables one cell to become two.
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Scientists offer new view of photosynthesis
05-03-2007 · EurekAlert!
During the remarkable cascade of events of photosynthesis, plants scavenge nearly every photon of available light energy to produce food. In the May 4 issue of Science, an ASU Biodesign Institute team led by Neal Woodbury has published new insights that allow plants or bacteria to harness light energy efficiently even when conditions aren't optimal. The answers may be good news for organic solar cell technology, a low cost alternative to traditional silicon solar cells.
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Signal protein shows promise for blocking tumor promoters in skin cells
11-03-2006 · EurekAlert!
A protein with the ironic name "Srcasm" can counteract the effects of tumor-promoting molecules in skin cells. Using animal models, the researchers discovered that Srcasm acts like a brake in epithelial cells, preventing uncontrolled cell growth caused by a family of proteins called Src kinases. This finding, published online in the Journal of Biological Chemistry, suggests a target for future gene therapy to treat skin, head, neck, colon and breast cancers.
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Scientists overcome obstacles to stem cell heart repair
12-12-2007 · EurekAlert!
Scientists have overcome two significant obstacles on the road to harnessing stem cells to build patches for damaged hearts. Presenting the research at a UK Stem Cell Initiative conference the researchers will explain how they have made significant progress in maturing beating heart cells derived from embryonic stem cells and in developing the physical scaffolding that would be needed to hold the patch in place in the heart in any future clinical application.
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New 'biofuel cell' produces electricity from hydrogen in plain air
03-26-2007 · EurekAlert!
A pioneering "biofuel cell" that produces electricity from small amounts of hydrogen mixed in ordinary offers significant potential as an inexpensive and renewable alternative to the costly platinum-based fuel cells that have dominated discussion about the "hydrogen economy" of the future. The work will be described at the March national meeting of the American Chemical Society in Chicago.
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Developments in tissue engineering offer new sources for stem cell treatments
05-21-2007 · EurekAlert!
Tissue engineering and regenerative medicine offer future patients greater options for treatment and cure of a wide array of urologic conditions, and controversies surrounding the sources of stem cells as well as their use have fueled increased research. A special session for media highlighting this research was held on May 21 at 9:00 a.m. PDT.
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Researchers show evidence of 'memory' in cells and molecules
10-29-2007 · EurekAlert!
Research to be reported Oct. 29 in the journal Proceedings of the National Academy of Sciences provides evidence that some molecular interactions on cell surfaces may have a "memory" that affects their future interactions. The report could lead to a re-examination of results from certain single-molecule research.
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Making daughters different -- How immune cells take divergent paths when fighting infections
03-01-2007 · EurekAlert!
How do immune cells decide to respond to invading microbes by either fighting to the death or becoming the body's memory for future infections? Researchers at the University of Pennsylvania School of Medicine have discovered that immune cells can differ in their inheritance of molecules that regulate cell fate, and therefore what role they play in fighting infection.
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Jefferson scientists find tumor suppressor gene protects against pre-cancerous development
11-01-2006 · EurekAlert!
Cell biologists have provided further evidence that a gene thought to play a role in suppressing tumors actually protects against the development of pre-cancerous cell growth as well. The researchers say that the gene, caveolin-1, which they found in two major types of breast cells, could be a potential target for future drugs aimed at preventing breast cancer. The work also suggests a potentially important role of the tumor "microenvironment" in the cancerous process.
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