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Tag: "extended" at biology news

Growth in the sea comes down to a struggle for iron

...s loaded with equipment and supplies, ready for an extended stay at sea. Its subsurface pontoon hull give it more stability in choppy seas, a benefit to Wells who normally gets seasick on these voyages. For nine days, she steamed northwest to rendezvous with a research vessel from the University of Tokyo, th...

Research on Worms Yields Clues on Aging

...gs and found that an anticonvulsant, ethosuximide, extended theworms' lives from an average of 17 days to an a...ing of mouthparts during the latter phase of their extended lives.Further tests showed that the anticonvulsants stimulated transmissionof signals in nerves that...

Open microfluidic and nanofluidic systems

...wetting morphologies including localized droplets, extended filaments, and thin wedges at the lower channel co...morphologies which involve localized droplets (D), extended filaments (F), and thin wedges (W) at the channel corners. For microfluidics applications, the most ...

Effective Cancer Treatments Follow The Clock

...ere initiated early in the morning. Antoch further extended these original findings after she moved to Cleveland and established her research program in the Department of Cancer Biology at the Cleveland Clinic Foundation. To examine the mechanism for this difference, Antoch and her colleagues used mice that ...

Use of PET can reduce, may eliminate more strenuous drug development trials with animals

...ined that studies on the same living animal can be extended over a period of time, allowing researchers to follow the development of disease in one subject and to monitor the effects of interventions on disease progression and outcome. Crucial information can be obtained noninvasively, repeatedly and quantita...

Norovirus, AIDS vaccine and Hepatitis Virus

...g United States travelers who experience TD during extended stays in developing countries," say the researchers. The high frequency of NoV infection among TD cases examined in this study suggests that further investigations concerning the role of these viruses in TD are warranted." (A.R. Chapin, C.M. Carpent...

Flocking together: Study shows how animal groups find their way

... to lead a large one, Couzin said The researchers extended their experiments by introducing two subgroups with differing preferences about which direction to move. The overall group consistently chose the direction preferred by the bigger subgroup even if the two subgroups differed in size by only one member...

Navigating an integrated yeast network

...a, San Diego, the authors' approach can be readily extended to different types of cellular networks. "[T]he thousands of physical and functional interactions that exist within all cells can begin to be untangled to provide [the] basis for detailed network reconstruction and to elucidate fundamental organizati...

Scientists journey to southern Africa to unravel the secret world of elephant communication

...f they prove out the seismic hypothesis, should be extended to other megafauna--hippos, perhaps--then on down the size scale." O'Connell-Rodwell is writing a book on seismic communication in elephants that is scheduled to be published in 2006. Meanwhile, she and her colleagues continue to analyze the results...

What's really making you sick? Plant pathologists offer the science behind Sick Building Syndrome

...Austin Convention Center. Members of the media are extended complimentary registration to the annual meeting. To register, contact Amy Steigman at asteigman@scisoc.org or +1.651.994.3802. A news conference on emerging plant diseases will be held at the annual meeting on Monday, August 1. The media is invited ...

Signs of aging: Scientists evaluate genes associated with longevity

... lack fully functional daf-2 exhibit significantly extended lives, persisting approximately twice as long as their wild-type counterparts. Daf-2 was first reported as a critical aging-associated gene in 1993, but since that time, scientists have identified dozens of additional genes that are crucial for long...

Supercomputers to focus brains on AIDS dilemma

...rotease, these protease inhibitors brought greatly extended life-spans to patients who previously faced early deaths. Structural biology and molecular dynamics computer simulations played an important role in these discoveries. However, in recent years, mutant strains of HIV have shown increasing resistance ...

Future diabetes drugs may target new protein interaction

...red wine activated yeast's sirtuin1-equivalent and extended the organism's lifespan. Moving up the food chain, decades of reports have shown that drinking moderate amounts of red wine is associated with a longer life for people. But at this point, knowing for sure whether sirtuin1 helps extend lifespan (an o...

PHACCS, an online tool for estimating the structure and diversity of uncultured viral communities using metagenomic information

...red wine activated yeast's sirtuin1-equivalent and extended the organism's lifespan. Moving up the food chain, decades of reports have shown that drinking moderate amounts of red wine is associated with a longer life for people. But at this point, knowing for sure whether sirtuin1 helps extend lifespan (an o...

Computational verification of protein-protein interactions by orthologous co-expression

...red wine activated yeast's sirtuin1-equivalent and extended the organism's lifespan. Moving up the food chain, decades of reports have shown that drinking moderate amounts of red wine is associated with a longer life for people. But at this point, knowing for sure whether sirtuin1 helps extend lifespan (an o...

Eliminate Data Analysis Bottlenecks in Drug Discovery

...red wine activated yeast's sirtuin1-equivalent and extended the organism's lifespan. Moving up the food chain, decades of reports have shown that drinking moderate amounts of red wine is associated with a longer life for people. But at this point, knowing for sure whether sirtuin1 helps extend lifespan (an o...

Insects, viruses could hold key for better human teamwork in disasters

...he critical physical infrastructure -- needs to be extended beyond infrastructure life-cycle management and sustainability to also involve first response against disasters. "These professionals are able to provide more accurate information to support the decision-making process during the preparedness, respo...

Affymetrix and bioMerieux Extend Their Agreement on GeneChip(R) Technology to Breast Cancer Diagnostics

...tic targets, requiring the use of microarrays. Our extended agreement with Affymetrix broadens our rights beyond infectious diseases, food and water testing. The potential for microarrays in cancer application will be vast, ranging from diagnosis to personalized treatment," explained Dr Christophe Merieux, Vi...

Motor transport in bio-nano systems

...tems and for biological cells. The theory has been extended to more complex systems such as two-way traffic of two motor species that move along the same filament but in opposite directions. The latter system exhibits a genuine phase transition from a low flux to a high flux state. Likewise, regular patterns ...

Anthrax test, developed by army and CDC, receives FDA approval

...at proved to be highly stable, as reflected in the extended shelf life of the B. anthracis-specific virus. USAMRIID then provided sufficient gamma phage material to CDC for distribution within the LRN, so that each laboratory will have the same material to be used in the test. In addition, USAMRIID developed ...

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