Tag: "rate" at biology news

32 new grants made for innovative technology R&D

...hat will detect approaching hazards, measure their rate of motion, determine if and where a collision will... computer applications and assessing over time the rate of cognitive impairment, thus facilitating earlier intervention and treatment. STAR Cryoelectr...

National Science Foundation awards $2 million grant to UC Riverside

...e biocomplexity grant will model the emissions and rate of deposition across the landscape, mainly in Rive...on surveys to determine the current and historical rate of change of vegetation, examining when invasive grasses became large scale problems in different ar...

Of lice and men

.... The new study used the mutation rate in lice and comparisons of genetic differences among lice to find a similar population bottleneck in the group of head lice that infested early Homo sapiens, but no such bottleneck in the population of the lice on the archaic human species. That mean...

Fungus knocks a frog down but not out, raising questions about amphibian declines

...the wild." The researchers found a steady rate of infection from year to year, but a higher rate of infection in samples taken during the cooler seasons, leading the researchers to speculate that t...

New biosensor rapidly detects deadly foodborne pathogen

...e and the sensor's co-developer. "The mortality rate for people with listeriosis is very high, and for this reason, the FDA has a zero-tolerance rule for Listeria. There should be none at all in any ready-to-eat products," he said. According to the Centers for Disease Control and Prevention, approxi...

Sedentary overweight people get insulin boost from short term exercise; CVD risks trend down

...0% increase in insulin action (measured by glucose rate of disappearance/steady state insulin). However insulin action was unchanged in the zero energy balance group (ZERO), who were required to finish a sports drink during exercise and additional food afterward to "replace" the 500 k/cal. The same sub...

VitalSense(R) - Wireless vital signs monitoring

...ody and skin temperature sensors. Phase 2, a heart rate sensor, is scheduled for release in late 2004. Se...s. Hospitals monitor core body temperature, heart rate and other vital signs to detect the onset of sepsis. Early detection of sepsis increases the likeli...

Acoustics meeting in San Diego

...mine. Currently, they must subjectively judge the rate at which temporary bone (the "callus") is replaced with permanent bone. Also, they look for increased stiffness at the fracture site, which may provide another sign of healing. Sabina Gheduzzi of the Unversity of Bristol ( S.Gheduzzi@bristol.ac.uk...

Study in Royal Society journals presents evidence for inherited factors in homosexuality

...hether breeders actively interfere with the growth rate of their helpers.Contact: Dr Dik Heg, Behavioural Ecology, Zoological Institute, University of Bern, Wohlenstrasse 50a, HINTERKAPPELEN, CH-3032, Switzerland Proceedings of The Royal Society A: Mathematical, Physical and Engineering Sciences Predic...

Study using robotic microscope shows how mutant Huntington's protein affects neurons

...ival and lowered their overall risk of death. The rate of cell death was higher in neurons with larger gene mutations, but the death rate for each set of cells remained constant over time. The researchers also examined the level of mut...

Laboratory test of evolutionary theory confirms importance of links between populations

...nutrient to lower-nutrient communities sped up the rate of adaptation in the lower-nutrient communities by bringing in novel genetic mutations. Forde also found that gene flow increased the variation in coevolutionary dynamics through time. "We had a pretty simple system, but the results were relatively c...

Men with prostate permalignant lesions have increased likelyhood of invasive prostate cancer

...ecial risk for the disease. In fact, the incidence rate in African-Americans is 60 percent higher than that in white males and double the mortality rate. An estimated 29,900 American men lose their lives to prostate cancer each year. ...

High fiber intake reduces estrogen levels in Latina women, according to researchers

... adjusting for known risk factors, their incidence rate is still 20 percent less than white women, who have been the focus of the majority of earlier research and whose dietary fiber intake is generally not that high." To rectify that situation, Monroe decided to use data collected by the National Inst...

Bloodroot alkaloid aids in exterminating sun-damaged skin cells in culture

... percent decrease in cell viability after UVB. The rate of apoptosis increased an additional 49-66 percent after sanguinarine treatment prior to UVB irradiation. By itself, sanguinarine had no effect on skin cell viability, apoptosis, or cell cycle distribution. ...

Promising new preventative treatment option for population of men at high risk of prostate cancer

...ecial risk for the disease. In fact, the incidence rate in African-Americans is 60 percent higher than that in white males and double the mortality rate. An estimated 29,900 American men lose their lives to prostate cancer each year. ...

International human genome sequencing consortium describes finished human genome sequence

...cy of 99.999 percent, which translates to an error rate of only 1 base per 100,000 base pairs 10 times more accurate than the original goal. The contiguity of the sequence is also massively improved. The average DNA letter now sits on a stretch of 38.5 million base pairs of uninterrupted, high-quality...

Babies born after surgery on eggs

... IVF and ICSI had failed, it boosted the pregnancy rate per cycle from 6 to 35 per cent, Tzeng told a meeting of the American Society for Reproductive Medicine in Philadelphia this week. Mitochondria are unusual because they contain their own DNA, and Tzeng thinks the method works by replacing those with ...

For inferring the biological tree of life, simple is better

...ich the various parts of a gene evolve at the same rate in all species. So they evaluated, for the first time, the performance of the methods when the evolutionary process changes over time, as it is known to do. "Maximum likelihood often gets the wrong tree because it assumes evolution can be accurately...

Three years of Proba, the 'smart' satellite that runs itself

...ormance will provide for the first time, high-data rate imaging of the Sun....

Predicting infection risk of mosquito-borne disease

...g and implementing effective control measures. The rate at which humans become infected is determined by h...ge of infectious mosquitoes increases, so will the rate at which humans get bitten. But in a new study published in the open access journal PLoS Biology, Da...

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