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Tag: "maximize" at biology news

Tiny particles could solve billion-dollar problem

...ry at Rice. "Using nanotechnology, we were able to maximize the number of palladium atoms that come in contact with TCE molecules and improve efficiency by several orders of magnitude over bulk palladium catalysts." TCE, which is commonly used as a solvent to degrease metals and electronic parts, is one of t...

Increased risk of osteoporosis associated with gene that one in five people have

...ause. If we can catch them at an early age, we can maximize their chances to avoid osteoporosis." ...

FDA Works To Speed The Advent Of New, More Effective Personalized Medicines

...ogy will allow medicines to be uniquely crafted to maximize their therapeutic benefits and minimize their potential risks for each patient." Instead of the standard hit-or-miss approach to treating patients, where it can take multiple attempts to find the right drug and the right dose, doctors will eventuall...

To Stop Evolution: New Way Of Fighting Antibiotic Resistance Demonstrated By Scripps Scientists

...rategy for dealing with environmental changes that maximize the chances that a progeny cell will be better adapted. In order to evolve, organisms have to mutate, so they turn on the mutation process when they are threatened with extinction. Romesberg reasoned that since mutations can be turned on full-force,...

15 generations of untrained jocks, couch potatoes show big physiological adaptations

...s in the oxygen delivery system are coordinated to maximize efficiency, independent of exercise or other environmental influences." And by the G15 stage, the central delivery components (lung and cardiovascular system) have improved to better meet the demands of the muscles. "Additionally, our results provide...

Census of Marine Life explorers surprised by diversity, density of Arctic creatures

...oads. The scientists operated around the clock to maximize expensive ship time, sampling at 14 locations in all; five involved depths 3,300 meters and more below ice. The explorers employed a suite of tools to conduct "gentle sampling," including a remotely operated underwater vehicle, a benthic camera platf...

Antiretroviral Therapy May Prevent HIV Transmission From Breastfeeding Mothers To Infants

...iretroviral therapy may be a realistic strategy to maximize prevention of mother-to-child transmission in areas where formula feeding is not safe or feasible." In an accompanying editorial, Marc Bulterys, MD, PhD, of the Centers for Disease Control and Prevention, agreed. "These studies are of vital importan...

Tufts researchers shine light on firefly mysteries

...explained. "Although males and females both try to maximize their reproductive output and contribute to the ne...ample, in Drosophila fruitflies, males' efforts to maximize their sperm's competitive ability have led to the evolution of chemicals produced by their reproduct...

Bacteria are key to 'green' plastics, drugs

...elete genes that interfere with it. The goal is to maximize the rate -- the speed of the conversion -- and the yield -- the amount of succinate produced per pound of glucose converted. Bennett and San's bug -- known only by the designation SBS550MG -- contains an ingenious bit of metabolic engineering that a...

NIH renews network focused on how genes influence drug responses

...es, the PGRN is making critical advances that will maximize the benefits of treatment while minimizing adverse side effects. This will ultimately improve patient outcomes and reduce health care costs," said NIH Director Elias A. Zerhouni, MD. The network is supported by nine NIH components: NIGMS; the Natio...

Duke Experiments Boost Radiation's Cancer-Killing Effects

...nditions under which to inhibit HIF-1. "We want to maximize the benefits of HIF-1 blockage while minimizing the drawbacks," said Moeller. Moeller used a unique, targeted approach of blocking HIF-1 in cells to ensure that HIF-1, and not other proteins, was responsible for the effects they saw. He inserted a m...

IBM Transforms the Art of Scientific Expeditions

...nditions under which to inhibit HIF-1. "We want to maximize the benefits of HIF-1 blockage while minimizing the drawbacks," said Moeller. Moeller used a unique, targeted approach of blocking HIF-1 in cells to ensure that HIF-1, and not other proteins, was responsible for the effects they saw. He inserted a m...

Hospitalizations because of chicken pox down dramatically since implementation of vaccine

...larger than savings in direct medical costs." "To maximize the benefits of vaccines for children and adults in the future, it is imperative to formally and openly consider how best to incorporate cost-effectiveness considerations into deliberations about vaccine recommendations, thereby acknowledging that he...

Hanging baskets of sex and death help fruit growers

...over a 1 hectare site. That early test helped them maximize the best virus formulation, and the most efficient dispenser design that maximised access for the moths while protecting the virus from sunlight and other elements, and the best form of pheromone lure. That test also helped them choose between a liqu...

Progress on HIV/AIDS significant but insufficient

... and actions; and the United Nations system should maximize collective effectiveness by pooling efforts in every country. Round tables were also convened, as follows: on prevention, chaired by Anna Marzec-Boguslawska, Head of the National Centre for HIV/AIDS of Poland; on HIV/AIDS and Human Rights with an em...

Grasshopper love songs give insight into sensory tuning

...ned about natural stimuli, the receptors appear to maximize the information gained about specific, but less often occurring aspects of the stimuli," concluded the researchers. "This result suggests that an organism may seek to distribute its sensory resources according to the behavioral relevance of the natur...

Divergent mating systems and parental conflict as a barrier to hybridization in flowering plants

... carefully partitioning resources among progeny to maximize their combined success. A new study in the September issue of The American Naturalist argues that with increased self-fertilization, parental conflict decreases. Consequently, parents from frequently selfing groups should be competitively inferior w...

HIV inserts into human genome using a DNA-associated protein

... copies during a short time, so that the virus can maximize production of daughter virions," says Frederic Bushman, PhD, Professor of Microbiology at Penn. This present study demonstrates the first piece of a mechanism that dictates where HIV integration takes place. Previous studies at other institutions s...

New technique multiplies life span in simple organisms

...ht be programmed both to reproduce normally and to maximize its survival systems. Longo urged caution in extrapolating the result to humans. "We have been very successful with simple organisms," he said. "Naturally, mammals are complex, and it will be a great challenge to get major life-span extension." A ...

Texas scientists discover how a hepatitis C protein promotes liver cancer

...e explained, researchers must use new knowledge to maximize the effectiveness of various virus-fighting therapies now under development, managing the care of chronically infected patients in ways that will best help them avoid liver cancer. ...

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