Tag: "mathematical" at medical news

Fat is the new normal, FSU researcher says

...ial Dynamics of Obesity, is the first to provide a mathematical model of the impact of economic, biological and social factors on aggregate body weight distribution. It also is one of the first studies to suggest that weight norms may change and are not set standards based on beauty or medical ideals. Many ...

Predicting danger of flu pandemic rests on differences in affected population, says O.R. Forum

...roduces operations researchers to the need for new mathematical modeling of an influenza pandemic and its control. Operations research is the application of advanced analytical methods to help make better decisions. The paper also explores social distancing as a disease progression control method. Social distanci...

Alzheimer's disease to quadruple worldwide by 2050

...mers disease, the researcher created a multi-state mathematical computer model using United Nations population projections and other data on the incidence and mortality of Alzheimers. ...

How brain pacemakers erase diseased messages

... a challenge, Grill said. Grill's team created a mathematical model of a normally functioning brain cell. The researchers then gave the model neuron the pathological pattern of activity seen in people with tremors, assembled a group of these model cells and watched what would happen when the cells were electric...

System to pinpoint airline passengers who contaminate cabins

..., Ind. - Researchers developing a system that uses mathematical models and sensors to locate passengers releasing ...er's Purdue-related research focuses on developing mathematical models for software that will be needed to operate such a tracking system and learning how to precis...

HIV's effect on white blood cells questioned by new research

... occurs in HIV infection. The research team used a mathematical model of the processes by which T cells are produced and eliminated to show that if the runaway theory was correct, then T helper cell numbers would fall to very low levels over a number of months, not years. One of the papers authors is Jaroslav ...

Targeted nanoparticles incorporating siRNA offer promise for cancer treatment

... models. By combining the experimental data with a mathematical model of siRNA-mediated gene silencing, we illustrate several practical considerations that we believe will be directly relevant to the clinical application of siRNA-based therapeutics in cancer therapy." ...

Pioneering study maps attention, memory and language links in the human brain

...ith computer modeling experts. "We could develop a mathematical model that would allow us to generate hypotheses a...in our model." Simulating brain activity in the mathematical model "would take the whole question of language processing beyond 'blobology' -- where you're just ...

$10M grant to VCU to develop new cancer treatments

... methods in development are based on sophisticated mathematical models that allow higher doses of radiation to kill cancer cells while sparing the surrounding normal cells from damage. "This project grant is a testament to the high impact of the ideas generated by researchers at VCU, and to the national leadershi...

ISHLT membership explores expansion of computer modeling system for organ allocation

...nsplantation (ISHLT) announces evaluation of a new mathematical modeling system for lung allocation in the United ...ently assessed for organ allocation based on a new mathematical modeling system, in which patient information is entered into a computer database and donors are the...

RAND study finds school playgrounds can help fight childhood obesity

...index for the girls. Body mass index, or BMI, is a mathematical formula representing weight relative to height that can be used to determine whether a person is overweight or underweight. The study found differences in BMI and physical activity by the girls' race and socioeconomic status, consistent with the fi...

Rapid response was crucial to containing the 1918 flu pandemic

...In their paper, Dr. Ferguson and his coauthor used mathematical models to reproduce the pattern of the 1918 pandemic in different cities. This allowed them to predict what would have happened if cities had changed the timing of interventions. In San Francisco, which they found to have the most effective measures,...

Research agreement to advance new imaging technology

...computer engineer with T.I.E.S., who converted the mathematical algorithms into the software code that is the foundation of the current version of the technology. The Image Surgery technology, which could represent a fundamentally new direction in medical tomography, has a potentially vast application in clinic...

Measuring lung motion leads to better radiation treatment for lung cancer

...thing can be quite chaotic, so they have developed mathematical descriptions of the motions of different parts of ...the complex patterns specified by the researchers' mathematical model of breathing motion. The 4D Phantom contains an object that represents a tumor and allows rese...

Conference honoring UH professor attracts researchers from United States, abroad

...dels of particular flow and for the application of mathematical and computational methods to the design of a new class of heart valves. Organizers expect up to 100 attendees at the conference, to be opened by Donald Birx, UH vice president for research. Hours are 9:30 a.m.-5:30 p.m., Friday, March 9 and 9 a.m.-...

In presence of fragrant cleaning products, air purifiers that emit ozone can dirty the air

... particle level. The scientists also developed a mathematical model that precisely matched their experimental observations. This model can be used to predict whether a given air purifier will make the air dirtier in a given indoor environment. Scientific data on indoor air purifiers will be important as offic...

Bird flu -- Call for antiviral drugs to be shared

...predictions about bird flu, involving the use of a mathematical model, suggest that international cooperation to share antiviral drugs might be the best way to deal with an emerging pandemic. 'Bird flu'(avian H5N1 influenza) has not triggered a worldwide human epidemic yet because it rarely passes between peopl...

Drug resistance in an influenza pandemic

...se benefits entirely. These researchers set up a mathematical model to mimic the spread of influenza. They then fed a set of assumptions into the computer. These included information about the rate of transmission of influenza from one person to another; what proportion of people would receive antiviral drugs f...

Circumcision for prevention of HIV: new analysis demonstrates cost-effectiveness

...er assumptions based on data from elsewhere. Their mathematical model was based on a hypothetical group of 1,000 men, all of whom would be circumcised. The researchers calculated that in such a hypothetical group, the cost of providing male circumcision, per HIV infection prevented, would be around $180. Overall,...

Heavy smokers who cut back still take in more toxins than light smokers

...es per day. Hatsukami and her colleagues created a mathematical formula to calculate the degree of smoking compensation in the heavy smokers compared with the light smokers. They measured a biological marker, total NNAL, which indicates the amount of exposure to the tobacco-specific lung cancer-causing agent NNK....

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(Date:10/31/2014)... study confirms that endangered musk deer still live in ... Species targeted by poachers: Musk deer scent glands are ... October issue of the journal Oryx , ... years after its last confirmed sighting, a strange deer ... slopes of northeast Afghanistan according to a research team ...
(Date:10/31/2014)... creating green space in cities is good for attracting species, ... built environments, a University of Iowa study has found. , ... area in Iowa, and recorded the abundance of two insects ... plenty of the trees, black cherry and black walnut, they ... case fruit flies that feed on the walnuts and black ...
(Date:10/31/2014)... Thomas Bugnyar and his team have been studying ... the Northern Austrian Alps for years. They observed ... such as grooming and playing. However, they also ... by a third individual. Although in about 50 ... and broke up the two affiliating ravens, intervening ...
Breaking Biology News(10 mins):Strange, fanged deer persists in Afghanistan 2Green spaces don't ensure biodiversity in urban areas 2
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