Tag: "modeling" at biology news

Computer scientists at UH developing 'nurturing' computers

...mployed as a computer peripheral. Through bioheat modeling of facial imagery, almost the full range of vital signs can be extracted. This physiological information can then be used to draw inferences about a variety of health symptoms on a continuous basis. "An increased anxiety level, for instance, is in...

NIGMS funds Center for Quantitative Biology

...cruit quantitative scientists and harness computer modeling approaches for biological research. By bringing together computational and experimental scientists, the center promises to accelerate the pace of scientific discovery and serve as a model for an important new way of doing biomedical research and educ...

New tool predicts how long pollutants will stay in soil

...inated solvents and petroleum byproducts. This new modeling approach is important because environmental regulators and cleanup consultants need to know the extent to which hazardous contaminants will linger on a piece of land and the rate at which they will migrate toward critical water resources and supplies...

Livermore research in accelerator mass spectrometry highlighted at ACS meeting

...brook and colleague William Pitz have used kinetic modeling to observe the soot production chemistry involved. The chemical kinetic models used in studying soot production during munitions destruction were originally developed in Livermore's studies on soot production in diesel engines. LLNL's contributions t...

UCR earns $1.5 million grant to examine how engineered crop genes stray

...oy state-of-the-art mathematical and computational modeling to estimate the timing and patterns of the spread of transgenes across space and national borders as well as their ecological consequences. The result will be the first global model of gene flow that accounts for both human and natural processes of g...

Story tips from the Department of Energy's Oak Ridge National Laboratory, August 2004

...sconsin University are continuing their power grid modeling research. Instead of being strictly an engineering challenge, the researchers now see the nation's electric power grid infrastructure driven by a complex combination of variables as diverse as rising demand, conflicting subsystems and societal pressu...

Applied Mathematical Models in Human Physiology

...mpler models. The book also covers two-dimensional modeling of the fluid dynamics in the heart and its ability to pump, and includes a discussion of modeling wave-propagation throughout the systemic arteries. The models presented can be used as case studies ...

Physics gravity model applicable to disease spread

...predicted the spread of phocine distemper." After modeling a children's disease and an animal disease, the researchers are now looking at how adult diseases spread. "Transmission of measles depends on the movement of children," says Bjornstad. "We need to think about applying the models to adult populatio...

Computer imaging of Archeopteryx skull suggests this dinosaur-bird link could fly

...t the size and the features of the brain using 3-D modeling software. The upper bones that covered the creatu...e were overlapped in the squashed fossil. Computer modeling allowed the scientists to reposition the skull bones next to each other as they likely occurred in l...

Protein vaccine fully protects mice from lethal aerosol challenge with ricin toxin

...Millard--describe using a combination of molecular modeling and protein engineering to design the new vaccine.... unvaccinated control group died. "Molecular modeling and protein engineering represent a significant step forward in vaccine development," said George V....

Manatee population rising in some regions, likely stalled or declining in others

...ductive rates from the two companion studies. The modeling work indicates that these growth rates are largely driven by adult survival, which has implications for both monitoring and management. "First, we need better estimates of adult survival, especially in the Atlantic and Southwest regions; t...

Duke study disputes idea that trees can 'relocate' quickly in response to climate change

...ead of analyzing fossil data, Clark did population modeling in concert with McLachlan, a post-doctoral researcher with expertise in molecular analysis, and with Manos, who has expertise in molecular systematics, to assess the situation from a genetics standpoint. They focused on variations in heritable geneti...

Reaching for the gold

...ases, a little help from some high-tech biomedical modeling taking place at USC Biomechanics Research Laborato... program to develop state-of-the-art biomechanical modeling techniques for USC athletes who hope to reach this year's Olympic Games in Athens. "We look at ways...

New framework for biodiversity conservation

...gust issue of Ecology Letters shows that elaborate modeling efforts used to guide land conservation result in ...ery people who have been at the forefront of these modeling efforts. Frustrated with continued species loss, they took a step back to figure out how to improve ...

Mapping the evolution of a virus

...(Rotterdam, Netherlands) have developed a computer modeling method for mapping the evolution of the influenza virus. The method could soon help medical researchers worldwide develop a better understanding of certain mutations in influenza and other viruses that allow diseases to dodge the human immune system...

Research shows oceans are becoming more acidic

...tial findings of limited observation, research and modeling conducted to date and presented to the symposium indicate that in a high CO 2 world: the ocean would be more acidic globally, and would also be more stratifed in the high latitudes. In addition nutrient concentrations in surface waters of high-la...

Leading scientists design new framework for biodiversity conservation

...f the journal Ecology Letters shows that elaborate modeling efforts used to guide land conservation result in ...ery people who have been at the forefront of these modeling efforts. Frustrated with continued species loss, they took a step back to figure out how to improve ...

Society for conservation biology conference

...he extinction rate as high as 12 percent. A study modeling the migration of mammals in 8 large national parks in the United States foresees species losses within the parks as high as 20 percent and drastic influxes of new species. The Tortoise and the Dog Dogs are helping conservation scientists to track...

Innovative efforts target epigenetics, molecular imaging

...in Boston, which will lead studies on kinetics and modeling of implications of polony molecular data on understanding cells as intact systems; and the University of Delaware in Newark, Del., which will collaborate on expression studies of specific genetic alleles. Under another CEGS grant, funded equally by N...

Carnegie Mellon U. imaging study reveals sex-based differences that persist as mice enter adulthood

...." "This information also may be critical for modeling human neurologic diseases such as Parkinson's and neuropsychiatric disorders such as schizophrenia so that we can develop more effective therapies," Ahrens said. "In addition, these results may reveal how structural sex-associated brain differences i...

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