Daily non-political popular news in brief.
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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Keywords: silicon, nanoparticles, enhance, performance, solar, cells, nanoparticle, cell
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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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- Clemson scientists shed light on molecules in living cells
08-21-2007 · EurekAlert!
Clemson University chemists have developed a method to dramatically improve the longevity of fluorescent nanoparticles that may someday help researchers track the motion of a single molecule as it travels through a living cell. The chemists are exploiting a process called "resonance energy transfer."
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- New technique studies how plastic solar cells turn sunlight into electricity
12-11-2006 · EurekAlert!
A new analytical technique, featured on the cover of this week's issue of the Journal of Physical Chemistry B, could lead to the development of cheaper, more efficient solar cells. The information that this technique provides is a critical step in the development of a new class of solar cells, which promise significant savings in production costs compared to conventional silicon-based cells.
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- Nanoparticles can track cells deep within living organisms
03-26-2007 · EurekAlert!
Flourine-labeled nanoparticles could soon allow researchers and physicians to directly track cells used in medical treatments using unique signatures from the nanoparticle beacons. The nanoparticles are readily ingested by living cells and allow the cells to be easily and specifically located with MRI scanners once injected into an organism.
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- Can you hear me now? Stem cells enhance hearing recovery
06-25-2007 · EurekAlert!
Researchers have shown that bone marrow stem cells injected into a damaged inner ear can speed hearing recovery after partial hearing loss. The related report by Kamiya et al, "Mesenchymal stem cell transplantation accelerates hearing recovery through the repair of injured cochlear fibrocytes," appears in the July issue of The American Journal of Pathology.
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- Using Life's Building Blocks to Control Nanoparticle Assembly
08-22-2007 · Brookhaven National Laboratory
Using DNA, researchers at Brookhaven are studying how to control both the speed of nanoparticle assembly and the structure of resulting nanoclusters. Learning how to control the assembly of nanoparticles could lead to applications from more efficient energy generation to cell-targeted systems for drug delivery.
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- Fantastic voyage: Drug delivery by a nanoparticle
02-13-2008 · Massachusetts Institute of Technology (MIT)
An image portrays targeted nanoparticles delivering high doses of chemotherapy to cancer cells. A team including MIT Institute Professor Robert Langer has demonstrated the precision required to engineer a nanoparticle that is effective in targeted drug delivery.
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- Iowa State scientists demonstrate first use of nanotechnology to enter plant cells
05-16-2007 · EurekAlert!
A team of Iowa State plant scientists and materials chemists are the first to use nanotechnology to penetrate plant cell walls and simultaneously deliver a gene and a chemical that triggers its expression with controlled precision. They modified an ISU proprietary technology-mesoporous silica nanoparticles-to work in plant cells. Their breakthrough creates a powerful new tool for targeted delivery into plant cells. The research was a highlighted article in the May issue of Nature Nanotechnology.
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- Bacteria ferry nanoparticles into cells for early diagnosis, treatment
06-13-2007 · EurekAlert!
Researchers at Purdue University have shown that common bacteria can deliver a valuable cargo of "smart nanoparticles" into a cell to precisely position sensors, drugs or DNA for the early diagnosis and treatment of various diseases.
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- Students invent protective pouch to enhance cell therapy
05-07-2007 · EurekAlert!
Students have invented a device to improve cell therapy for diabetes patients by anchoring transplanted insulin-producing cells inside a major blood vessel.
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