Tag: "combining" at biology news

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

...eadly substances. The researchers thought that by combining a chemical structure called a quarternary ammonium salt group, known for its ability to disrupt cell membranes and cause cell death, with a hydrocarbon diacetylene, which can change colors when appropriately formulated, the resulting molecule would h...

Green, leafy spinach may soon power cellphones and laptops

...lot of energy relative to its size and weight. But combining biological and non-biological materials in one device has stymied researchers in the past. Biological materials need water and salt to survive-both are deadly for electronics. FROM WET TO DRY A new twist in the current work is a membrane of pep...

New sign language suggests children create language's fundamentals through learning

...tures produced by the hearing group as they spoke, combining movement type and direction in a single hand motion. The two younger groups, however, separated the movement type and direction into different signs, as is done in spoken language. "So what they're doing looks very language-like and does not look ge...

Popular Science announces Third Annual 'Brilliant 10'

... program the outcome of chemical reactions--before combining his raw materials, he attached each to a strand of DNA, attaching the ingredients he wants to react to complementary bits of DNA. For now, the process lets chemists produce known molecules with greater control. Down the line, it could be used to sear...

JCI table of contents September 15, 2004

...olved in this type of disease. This work shows how combining a series of analyses, including genetic, biochemical, microarray, and bioinformatics techniques provide a rapid and effective means to pinpoint mutations in diseases that have complex genetic backgrounds. An accompanying commentary by Eric Schon prov...

Venn diagram tactics to vet complex disease

...olved in this type of disease. This work shows how combining a series of analyses, including genetic, biochemical, microarray, and bioinformatics techniques provide a rapid and effective means to pinpoint mutations in diseases that have complex genetic backgrounds....

South Dakota Tech grad student finds rare whale

...onservation Program is an example of Tech students combining classroom and real-world experiences to add to the body of scientific knowledge....

NIGMS funds Center for Quantitative Biology

...hallenging problems in biology are best tackled by combining the expertise of researchers from diverse backgrounds," said Elias A. Zerhouni, M.D., NIH director. "Through its multidisciplinary collaboration and curriculum, this center will not only yield new insights about complex biological processes, it will...

University of Pittsburgh receives $10 million grant for head and neck cancer

... and neck cancer, preliminary studies suggest that combining strategies that block both receptor families has a synergistic effect on inhibiting the growth of head and neck cancer cells. With 36,200 estimated new cases and 11,000 deaths in 2003, head and neck cancer accounts for 4 percent to 5 percent of all n...

Meteorites supplied Earth life with phosphorus

...s have tried heating apatite to high temperatures, combining it with various strange, super-energetic compounds, even experimenting with phosphorous compounds unknown on Earth. This research hasn't explained where life's phosphorus comes from, Pasek noted. Pasek began working with Dante Lauretta, UA assistant ...

Improving crops without genetic modification natural variation holds the key

...d to different environments, including drought. By combining traditional breeding techniques with genetic marker analysis, the authors identified a number of wild tomato genomic regions that dramatically increased yield. Their results demonstrate that an approach based on biodiversity--which takes advantage of...

Testing the fitness of biological clocks

...algae is 25 hours.) They created mixed colonies by combining the strains in pairs: wild type and 22 hour; wild type and 30 hour; 22 hour and 30 hour. Then they put these mixed cultures into incubators with three different light-dark cycles--22 hours, 24 hours and 30 hours--and monitored them for about a month....

Hopkins scientists use blood proteins to detect ovarian cancer

...ate professor of pathology at Johns Hopkins. "But combining CA125 with our new markers may improve early detection capabilities." The new proteins were screened against a separate collection of blood samples from patients with normal and cancerous tissues. Of 23 patients with early-stage ovarian cancer, the ...

Parasitic cowbirds thrive with a less ruthless strategy than cuckoos

...of five eggs. "This was a very experimental study, combining some specific predictions from the literature with a purely experimental approach," Hauber said. "All the work was done in 45 days in April and May of 2003. It's an $80 project if you don't count living expenses, which is pretty good for science. All...

Physics gravity model applicable to disease spread

... of spatial spread of contagious disease. "We are combining the basic theory of epidemiology with models from sociology and transportation theory to see what networks might look like," Bjornstad told attendees today (Aug. 5) at the annual meeting of the Ecological Society of America. Bjornstad is working wit...

UC Riverside researcher takes snapshots of the movement of molecules in a billionth of a second

...erable interest in the very challenging problem of combining these two capabilities," he added. "While we have ...hat we believe to be a very significant advance in combining the two very powerful techniques." The new technique allows scientists to probe very important f...

Satellites are tracing Europe's forest fire scars

...ices by the end of 2007, including daily risk maps combining EO with meteorological and vegetation data. Another planned service will identify 'hot spots' during fires, and map fire events twice a day, permitting an overall assessment of its development and the damage being done. A 'fires memory atlas' set up...

Misfiring proteins tied to inflammation and sick feeling of type 2 diabetics

...e-induced sickness behavior. Freund theorizes that combining vanadyl sulfate with rapamycin, a drug used to lower the risk of rejection of transplanted kidneys, might reduce diabetes-associated inflammation and stabilize brain-immune system interactions....

Microarrays, key genome expression trackers, work better when probes are sequence-verified

... as opposed to the source of the experiments. "As combining data from multiple microarray platforms/technologies is certain to prove a common method, our results showing increased accuracy of sequence-verified probes across platforms (oligo vs. oligo and oligo vs. cDNA) substantiate the importance of using th...

New model explains why costly insect 'outbreaks' hard to predict

...plain why outbreaks are so unpredictable. By combining elements from two prevailing but flawed insect-outbreak theories, and supplementing the combined theory with additional data, the researchers produced a mathematical model that reproduces the unpredictable outbreaks of gypsy moth populations more acc...

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