Tag: "light" at biology news

International study findings link acne-like rash to effectiveness of new targeted cancer treatment

...g fully active or at least still able to carry out light work. Cetuximab, also known as Erbitux, is a new targeted treatment a monoclonal antibody designed to home in selectively on a protein called the epidermal growth factor (EGFR). EGFR is found on the surface of some cells and plays a role in regulat...

Scientists to prototype cyberinfrastructure for research and education access to ocean observatories

... lightpaths, or lambdas (individual wavelengths of light on optical fibers), linking UW and UCSD will form LOOKING's optical core, with plans for eventual links to NASA research centers, institutions in Mexico and Canada, as well as other U.S. universities that do ocean research. Researchers at the Univers...

Scientists sequence genome of kind of organism central to biosphere's carbon cycle

...eact to changes in sea temperatures, the amount of light penetrating the oceans and nutrients. "Oceanograp...ding waters. The genome work also shed additional light on how this diatom species uses fats, or lipids, that it is known to store in huge amounts. "Learni...

Researchers find color sensitive atomic switch in bacteria

...n two alternative positions, suggesting to us that light of different colors drives this protein back and f...ovide Anabaena with information about the color of light available in its environment, enabling more efficient harvesting of light for photosynthesis, Spudic...

Researchers create nanotubes that change colors, form 'nanocarpet' and kill bacteria

...mally a neutral color, when exposed to ultraviolet light the nanotubes changed to a permanent deep blue. The process also chemically altered the nanotubes so that they became polymerized, giving them a more firm structure. Polymerized, these nanotubes could change from blue to other colors, depending on it...

Master of antimalarial resistance

...ultaneously losing resistance to another--may shed light on the exact role that pfcrt plays in resistance, according to Fidock and colleagues. When a human is infected with malaria, the parasite lodges itself inside the red blood cells of its new host, drawing on the cells' hemoglobin molecules for sustena...

Researchers ID chlorophyll-regulating gene

...orophyll into chlorophyll once they are exposed to light for the first time. "It's a delicate balancing a...nds to phytochrome, a protein that is triggered by light and that controls a plant's growth and development. The researchers disabled the PIF1 gene in the sp...

New fossil sheds light on old mystery

..." Dr. LaBarbera said. "Dinocephalosaurus sheds new light on the evolution of protorosaurs and the functional morphology of these long-necked marine reptiles," said Chun Li, lead author and assistant research fellow at the Institute of Vertebrate Paleontology and Paleoanthropology of the Chinese Academy of ...

New signs of life found at the Poles

...nd translucent rocks in hot deserts because enough light gets through, we wouldn't have expected this type ...g the annual freeze-thaw allows cracks to form and light to penetrate beneath the surface. "This shows us that places we may think of as extreme for exampl...

Secretary of Energy announces seven E.O. Lawrence Award Winners

...rrect telescopic images for the blurring caused by light passing through the atmosphere. Max is professor and astronomer at the University of California, Santa Cruz, and a physicist at the Institute of Geophysics and Planetary Physics at LLNL. Mortensen, a mechanical engineer, will be ho...

The book opens on the first tree genome

...e with the genomes of rice and Arabidopsis to shed light on the evolution of these genes to see how they are differentially regulated in these diverse plants," Rokhsar said. The poplar consortium researchers plan to publish the results of their analysis early next year. "Carbon management issues are over...

DuPont scientist named one of the world's top young innovators by MIT's 'Technology Review' Magazine

... produced and patented a polymer so transparent to light that it rivaled the performance of the state-of-the-art glass optical devices that are the norm in telecommunications circuits today. Her research objective is to integrate photonics devices onto a single chip, providing quicker and more cost effect...

NSF awards 22 new projects for plant genome research

...eds such as Russian thistle. This work should shed light on the processes that shaped the genomes of these plants during domestication and identify the traits that lead to weediness. And a project at Mississippi State University will work to develop genomic tools for loblolly pine, the primary source of pu...

Health of world's sea lions the focus of Wakefield Symposium

...s and knowledge. Interspecies comparisons can shed light on why some populations might decline while others increase. Insights can also be gained on whether trends in the abundance of sea lions are related to fishing activities through food dependencies or more directly through control or conservation meas...

Environmental decontamination, greenhouse gases, and the genome of a methane-loving bacterium

...nome sequence of Methylococcus capsulatus and shed light on the metabolism and biology of this ubiquitous microbe. The genome appears well-equipped to meet the specialized needs of this methanotroph. Ward et al. found evidence of "genomic redundancy" in methane oxidation pathways, suggesting that M. c...

Study reveals why eyes in some paintings seem to follow viewers

.... You're looking at a flat surface. The pattern of light and dark remains the same," Todd said. "We found that our visual perception of a picture also remains largely unchanged as we look at it from different vantage points. If a person in a painting is looking straight out, it will always appear that way,...

DuPont introduces in-home personal protection from dangers of hurricanes

...d (aramid) family that combines high strength with light weight, and comfort with protection. Kevlar is five times stronger than steel on an equal weight basis, providing reliable performance and solid strength. This unique combination of attributes also helps protect members of the military and law enfo...

Green, leafy spinach may soon power cellphones and laptops

...pletes the sandwich. The researchers shone laser light on the device to create optical excitation, then m...ed straight through without being absorbed. Of the light that was absorbed, we estimate that we converted around 12 percent to charge." The researchers hop...

Brown ecologist garners major National Science Foundation grant

...in different climates. Results will shed important light on a key question in biology how organisms integr...ays to conserve species. The results may even shed light on how complex environmental cues affect animals, including humans, who share many of their genes wi...

Popular Science announces Third Annual 'Brilliant 10'

...t a glass of milk or a marble slab--he learned how light makes something happen beneath the surface of everything. His ability to translate the play of light on surfaces into digital code has not only secured his status as an academic computer scientist, it ...

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