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Tag: "assessing" at biology news

Beauty and the brain

...f a different species, which we are presumably not assessing for reproductive purposes. So Winkielman, with colleagues from the University of Otago, New Zealand, and the University of Denver, wondered if there wasn't a more basic mechanism at work. It is well-known that prototypes are attractive, the res...

Analysis of breast-cancer gene role offers promising target

...he disease and could serve as a screening tool for assessing which types of drugs a patient will respond to. The gene launches a biochemical process in which a molecule called plasmin perforates the membranes of tissues, causing the membranes to break down and allowing the cancer cells to escape into the b...

Higher levels of obesity associated with greater health risks

...e groups," the researchers write. "More accurately assessing weight-related health risk may both improve policy decisions about obesity and assist women in making informed decisions about their health." ...

Brain's 'gambling circuitry' identified

...wing six seconds before the second card, they were assessing the risk revealed by the first card. The researchers based this approach on studies by other researchers of such processes in primates. Quartz and colleagues found they could distinguish brain regions that specifically responded to either reward ex...

Joslin discovers signs of residual islet cell function in people with long-term type 1 diabetes

...phase of the Joslin 50-Year Medalist Study that is assessing these factors in 326 patients with more than 50 years of insulin-dependent diabetes. It evaluated a subset of 125 people with type 1 diabetes for biomarkers of insulin function. Of this group, 12.7 percent had a c-peptide level greater than 0.3 ng/mL...

Links between DNA damage and breast cancer studied

...rove to be convenient and sensitive biomarkers for assessing oxidative DNA damage and for signaling an increased breast cancer risk. ...

Experimental vaccine protects lab animals against several strains of H5N1

...has the potential to provide useful information in assessing vaccines when human data alone are inadequate. "Possibly the greatest significance of the current study, he added, "is the demonstration of a significant cross-strain protective effect," a finding that "strengthens the argument for stockpiling vacc...

Prozac's target revealed

...e experiments may provide valuable information for assessing the possible effects of Prozac and related drugs on fetal and adolescent brain development. The researchers are currently using the approach and tools they've developed to explore whether other treatments for depression--including other drugs and de...

Snakes' virtual glasses, leopard spots and all-optical transistors

...as good or better than traditional format tests at assessing relative rankings of students in a class, C) effectively eliminate student complaints about grading fairness, D) all of the above. (Answer: D)...

First-ever genomic test predicts which lung cancer patients need chemotherapy to live

...trial, the test will replace the current method of assessing risk, which is imprecise and provides only a broad estimate of a patient's risk, said Joseph Nevins, Ph.D., a professor of molecular genetics at Duke and senior author of the study being reported. Physicians now assign each patient to a clinical "s...

Even a little cooling helps after cardiac arrest

...think counting trematodes is an effective tool for assessing the biodiversity of salt marshes in California," Lafferty said. "We are interested in developing similar techniques for other ecosystems, such as coral reefs and kelp forests." Wetlands being surveyed as part of the California Sea Grant project: W...

How healthy is that marsh? Biologists count parasites

...think counting trematodes is an effective tool for assessing the biodiversity of salt marshes in California," Lafferty said. "We are interested in developing similar techniques for other ecosystems, such as coral reefs and kelp forests." Wetlands being surveyed as part of the California Sea Grant project: W...

New findings offer more complete view of breast cancer gene mutations in US population

... addition, the study identified key predictors for assessing which women are most likely to carry these genetic...esearch clearly was needed to improve our means of assessing the likelihood of carrying BRCA1 and BRCA2 mutations in a wider spectrum of women," said one of the ...

In-home sensors spot dementia signs in elderly

...oring of in-home activity may be a reliable way of assessing changes in motor behaviors that may occur along with changes in memory. "To see a trend over time, you need multiple measures - good days and bad days - and it often takes years to see that trend in a clinic setting," said Tamara Hayes, Ph.D., assi...

Chemical in many air fresheners may reduce lung function

...els of exposure. FEV1 is a commonly used index for assessing airway function and obstruction. The researchers assessed the influence of other factors in an individual's environment that may be related to pulmonary function and to 1,4-DCB exposure, such as type of heating, use of wood fires, age of house, pr...

Indonesia - disaster relief aid in action

...he following day. Their immediate mission includes assessing the availability of both dialysis hardware and medical and paramedic staff in the area, as well as organizing screening for Acute Kidney Injury in non-nephrological Units, and administering fluids immediately after extrication. First reports from t...

Imaging study links key genetic risk for Alzheimer's disease to myelin breakdown

...gnetic resonance imaging (MRI) may prove useful in assessing treatments for preventing the disease. "Myelination, a process uniquely built up in humans, arguably is the most important and most vulnerable process of brain development as we mature and age. These new findings offer, for the first time, compellin...

Pesticides in the nation's streams and ground water

...es occur, and yield science-based implications for assessing and managing pesticides in our water resources." The USGS findings show strong relations between the occurrence of pesticides and their use, and point out that some of the frequently detected pesticides, including the insecticide diazinon and the ...

New method for identifying microbes

...mental Microbiology, has many applications -- from assessing the microbes present in environmental samples and identifying species useful for cleaning up contamination to identifying pathogens and distinguishing harmless bacteria from potential bioterror weapons. "Microbial communities are enormously diverse ...

The first baby boom

In an important new study assessing the demographic impact of the shift from foraging to farming, anthropologists use evidence from 60 prehistoric American cemeteries to prove that the invention of agriculture led to a significant worldwide increase in birth rate. Discussing the shif...

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