bilimselkonular science
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Good news for heterogeneous catalysis and the hydrogen economy: computers can now be used to make accurate predictions of the reactions of (hydrogen) molecules with surfaces. An international team of researchers, headed by Leiden theoretical chemist Geert-Jan Kroes, published on this subject this week in the journal Science.
Hydrogen on copper
The team developed a new method [...]
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Men whose prostate specific antigen (PSA) rise within 18 months of radiotherapy are more likely to develop spread and die of their disease, according to an international study led by Fox Chase Cancer Center radiation oncologist Mark K. Buyyounouski, M.D., M.S. and presented today at the annual meeting of the American Society for Radiation Oncology [...]
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Scientists have identified a genetic signature that is remarkably effective at predicting the prognosis of an aggressive liver cancer in children. The research, published by Cell Press in the December issue of the journal Cancer Cell, may lead to better treatments for pediatric liver cancers.
Hepatoblastoma (HB), the most common liver cancer in children, is associated [...]
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A report released at the annual meeting of the American Geophysical Union on December 16 provides new insights on the potential for abrupt climate change and the effects it could have on the United States, identifying key concerns that include faster-than-expected loss of sea ice, rising sea levels and a possibly permanent state of drought [...]
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Mercury levels in fish are prompting widespread consumption advisories and uncertainty among consumers over which species are safe to eat. Now researchers at North Carolina State University have developed a model that will help scientists and regulators around the country predict which areas are likely to have fish with high mercury levels – a breakthrough [...]
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A study among Baltimore inner-city teenage girls treated for pelvic inflammatory disease shows they are highly vulnerable to subsequent sexually transmitted infections (STI) — sometimes within a few weeks or months of their treatment.
Results of the research by Johns Hopkins Children`s Center investigators, reported in the November issue of Archives of Pediatric and Adolescent Medicine, [...]
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New research at the Georgia Institute of Technology could soon make predicting the degradation and remaining useful life of mechanical and electronic equipment easier and more accurate, while significantly improving maintenance operations and spare parts logistics.
Nagi Gebraeel, an assistant professor in Georgia Tech`s H. Milton Stewart School of Industrial and Systems Engineering, has developed models [...]
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According to new research from the Monell Center, the degree of change in blood triglyceride levels following a fatty meal may indicate susceptibility to diet-induced obesity. The findings open doors to new methods of identifying people, including children, who are at risk for becoming obese.
Triglycerides are a form of fat that is transported in the [...]
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EPFL researchers have developed a numerical model that can re-create the state of Switzerland`s Rhône Glacier as it was in 1874 and predict its evolution until the year 2100. This is the longest period of time ever modeled in the life of a glacier, involving complex data analysis and mathematical techniques. The work will serve [...]
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A new predictive model shows that vaccinating infants with 7 valent pneumococcal conjugate vaccine (PCV7)–the current recommendation–not only saves lives and money during a normal flu season by preventing related bacterial infections; it also would prevent more than 357,000 deaths during an influenza pandemic, while saving $7 billion in costs.
Keith P. Klugman, PhD, professor of [...]
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