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Tag: "ways" at biology news

Cells re-energize to come back from the brink of death

...dy it in the body, especially as we try to develop ways to force cancer cells without caspase to undergo CICD,” Green said. “Our goal is to find better ways to treat these diseases.”...

Releasing fish for the future

...tries (DPI) fisheries scientists are investigating ways to boost the survival rates of fish caught and then released by anglers. Some guidelines designed to improve fish survival were recently developed for released line-caught snapper, silver trevally, mulloway, sand whiting, yellowfin bream and dusky ...

Math that powers spam filters used to understand how brain learns to move our muscles

...ew tool could make it possible to predict the best ways to teach new movements and help design physical therapy regimens for the disabled or impaired. Reza Shadmehr, Ph.D., professor of biomedical engineering at Hopkins, who with his colleagues built the new model, says the artificial brain in the com...

Simulations unravel outer membrane transport mechanism

... gradually unfolding, changing its conformation in ways that would open up enough space for a molecule of vitamin B12 to pass through the barrel. (Click on the link below the image of the system to watch the results of the simulation.) A second simulation exerted a force near the center of gravity of t...

Studies to find better ways to preserve human eggs, ovarian tissue under way

...researchers will put ovarian tissue preserved both ways into mice to see if it survives and starts making ...tion a lot more affordable. Others are looking for ways to ensure there are no cancer germ cells in salvaged tissue. If all goes as hoped with this study...

Brightening prospects of using fluorescent nanotubes in medical applications

...es, I hope that researchers will begin considering ways to use them in clinical applications.” The figure of merit for fluorescence is quantum efficiency: the ratio of the number of photons of light that a device emits to the number of photons it absorbs in the process. The VINSE team reports that they ...

Researchers examine carbon capture and storage to combat global warming

...ant on fossil fuels, and a good pathway is to find ways to use them that don't create a problem for the climate.'' Carbon capture has the potential to reduce more than 90 percent of an individual plant's carbon emissions, said Lynn Orr, director of GCEP and professor of energy resources engineering. St...

Physicist cracks women's random but always lucky choice of X chromosome

...sual idea that the biological mechanisms evolve in ways that allow a "best" choice to be made between thin...as at least 10% of our genes may behave in similar ways as mechanism that "chooses" between X chromosomes. Examples of this range from the immune system to ...

ASU research shows connection between testosterone, dietary antioxidants and bird coloration

...and circulating through the blood were changing in ways that were linked to testosterone levels. Birds who were given additional testosterone depleted their carotenoid levels and became healthier, as if they were combating testosterone directly with antioxidants. “These findings show that there are nut...

Study shows lizard moms dress their children for success

..., but different progeny respond to it in different ways depending on which genes they inherit for throat color. So a female could make some progeny barred and others from the same clutch striped, depending on what's best for each individual." It is not yet clear why an "orange" social environment trigg...

Genetic factors are linked to fever following smallpox vaccination

...tanley remarked. “Our work is designed to identify ways we might make vaccines even more acceptable in the future by discovering ways to further reduce the chance of minor adverse events.” In an accompanying editorial, James E. C...

New findings challenge established views on human genome

... do not code for proteins, interact in overlapping ways not yet fully understood. In a group paper published in the June 14 issue of Nature and in 28 companion papers published in the June issue of Genome Research, the ENCyclopedia Of DNA Elements (ENCODE) consortium, which is organized by the National H...

Bacteria ferry nanoparticles into cells for early diagnosis, treatment

..."For gene therapy, a big obstacle has been finding ways to transport the therapeutic DNA molecule through the nuclear membrane and into the nucleus," he said. "Only when it is in the nucleus can the DNA produce proteins that perform specific functions and correct genetic disease conditions." When the c...

In nature, proteins sweep up nanoparticles

...obile clumps. Their finding may lead to innovative ways to remediate subsurface metal toxins. The research, which appears in the June 15, 2007 issue of the journal Science, reveals that the proteins travel far from the microbes that produce them, and then amass metal nanoparticles into piles that are too...

Marine phytoplankton changes form to protect itself from different predators

...s, identify those consumers and change in opposing ways depending on which consumers are present.” The behavior could have implications for global climate change because Phaeocystis blooms play a key role in the carbon cycle of cold oceans, accounting for up to 85 percent of local productivity during s...

Research finds that circadian rhythms dominate all life functions

... may provide researchers with clues for developing ways to treat people who overeat because of impaired leptin signaling. Circadian rhythms are biological rhythms that cycle over a period of about 24 hours and regulate timing for most physiological functions and behaviors such as sleeping, eating and ac...

Reconstructing the biology of extinct species: A new approach

...mouse to elephant, that habitually move in diverse ways in varied environments. The project is the first large-scale study to document the relationship of the dimensions of the semicircular canals to locomotion. These structures are filled with a fluid, which moves within the canals when the animal mo...

Human genetic 'deserts' are teeming with significant life

...consortium members hope to find the most effective ways of analysing it in its entirety. Although the finished sequence of the human genome announced in 2003 was a great achievement, it left a number of questions unanswered. Before the information contained in the sequence can be used to its best eff...

Prey not hard-wired to fear predators

... by both the loss and return of their predators in ways that are important for conservation and ecosystem integrity. These findings come at a time when, after more than $23 million was spent to re-establish wolves in the northern Rocky Mountains, the animals are to be down-listed from federal protect...

Revealed -- Mosquito genes that could be controlling the spread of killer viruses

... an area of future research that could lead to new ways of combating these diseases. One possibility would be to affect the activity of the genes and therefore help the mosquitoes fight off the viruses more effectively, preventing transmission to humans. Imperial College scientists participating in thi...

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