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Tag: "dependence" at biology news

Researchers examine carbon capture and storage to combat global warming

...ou have to get on this point. But nonetheless, our dependence on fossil fuels is not going to last forever.''...

NIDA study identifies genes that might help some people abstain from smoking

...t we had previously identified as playing roles in dependence to other drugs also contribute to nicotine dependence.? Genes that harbor variants that contribute to both success in quitting smoking and in vulnerability to become dependent on multiple substances include cadherin 13 (a molecule involved in cell ...

Biodiesel study targets cleaner air, cleaner engines

...t. "Biodiesel has the potential to reduce Canada's dependence on fossil fuels, provide great environmental benefits and increase market opportunities for Canadian oilseed producers." "Our Government is committed to encouraging the development and use of renewable fuels," said the Honourable Gary Lunn, Ministe...

New success in engineering plant oils

...cesses. Such renewable resources could help reduce dependence on petroleum. Conversely, methods to increase the activity of KASII, and therefore the production of 18-carbon desaturated plant oils, may provide a useful strategy to limit the accumulation of saturated fatty acids in edible oils, leading to more...

New compound prevents alcoholic behavior, relapse in animals by blocking stress response

...at bind CRF and make it active—in treating alcohol dependence in animals. CRF levels in the brain rise in the short term after drinking; in subjects that are not dependent, this activation returns to normal within a day or so. The new study shows that the CRF system becomes overactive in the long term in animal...

OHSU lab finds meth receptor that could lead to therapy

...the development of new pharmaceuticals that reduce dependence on and craving for methamphetamine." The study is published in the April edition of the Journal of Pharmacology and Experimental Therapeutics. Earlier research in the Grandy laboratory demonstrated that meth and amphetamine stimulate the produc...

Studies yield insight into the numerical brain

...tract numerical representations, the right shows a dependence on the notation used for a number, they found. The researchers concluded that "results challenge the commonly held belief that numbers are represented solely in an abstract way in the human brain." The authors also concluded that their results "advoc...

Living with water scarcity -- world must act now

...h in both countries, diets are changing, with more dependence on animal products. In China, per capita meat demand has quadrupled over the last 30 years, and in India milk and egg products are becoming increasingly popular ?meaning an accelerated demand for more water to grow more food. Growing cities take mo...

Genes and genius: Researchers confirm association between gene and intelligence

...er study, people who have been treated for alcohol dependence and members of their families provide DNA samples to researchers, who isolated DNA regions related to alcohol abuse and dependence, as well as a variety of other outcomes. Some of the participants in the study also took the Wechsler Adult Intellig...

Nonvenomous Asian snakes 'borrow' defensive poison from toxic toads

...agues published results of research on the snake's dependence on certain toads in this week's online issue of the journal Proceedings of the National Academy of Sciences. Hutchinson studied the Asian snake Rhabdophis tigrinus and its relationship to a species of toxic toad it eats. In the PNAS paper, she and...

German researchers develop first non-invasive test to measure skin aging

... physical appearance of the network showed a clear dependence on the patients' age. The dependence appeared to be sex-dependent, with women's skin losing collagen at faster rates than men's. The t...

Mayo researchers discover HIV dependence on a human protein

...e, it will be of interest to examine whether HIV's dependence on p75 can be exploited therapeutically." How They Did It The researchers started by noticing that p75 "tethers" HIV integrase to human chromosomes like a molecular rope and also protects it from the cell's protein-degrading machinery. While thes...

Brains can recover from alcoholic damage but patients should stop drinking as soon as possible

...he one patient with the longest history of alcohol dependence (25 years) had a slightly reduced brain volume (-0...obriety. However, they also suggest that prolonged dependence on alcohol may limit rapid recovery from white matter brain injury. "Modern neuroimaging enables ...

Copying nature could save us energy, study shows

...vercome engineering problems could help reduce our dependence on energy, according to new research published in ...new approaches that could significantly reduce our dependence on energy. "It is likely that we have similar technologies to nature ?it's just that we use them ...

DOE publishes research roadmap for developing cleaner fuels

...us opportunity to move our nation toward a reduced dependence on imported oil," DOE Assistant Secretary for Energy Efficiency and Renewable Energy Alexander Karsner said. "We fully intend to use all of our resources and talent to support the President's goal of breaking our addiction to oil, while also enhanci...

Biofuels researcher searches for new sources

...can alsoimprove rural economies, and reduce energy dependence on foreign petroleum oils," said Ralph Peck, director of the Institute for Biobased Products at MSU. The institute has funded Chen's research after receiving a line-item appropriation through Sen. Conrad Burns, R-Mont. "One of our goals is to make...

Brighter future for giant panda?

...ountainous region in China with an unusual dietary dependence on bamboos found only in these mountains. This elusive nature has shielded important knowledge needed to save it from extinction, until now. Understanding population trends for giant pandas has been a major task for conservation authorities in Chin...

UC Davis researchers move biotechnology closer to replacing electronic pacemakers

...in pigs with electronic pacemakers, reducing their dependence on implanted devices. This work suggests that scientists are one step closer to making bioengineering a reality in treating the more than 2.2 million Americans affected by irregular heartbeats. The UC Davis study, which was co-authored by an inter...

Long-term changes in experience cause neurons to sprout new long-lasting connections

...t to loss of the whiskers ?a strategy that reduces dependence on lost whiskers and enhances input from intact whiskers. "We knew from previous work that a subpopulation of dendritic spines appears and disappears over time, but we didn't know the biological meaning of this process," said Svoboda. "In these expe...

HIV vaccine takes different tack to boosting immune response

...ction and will relieve HIV patients of their heavy dependence on antiretroviral drugs, many of which are expensive and require daily administration. "Conventional wisdom is that natural immune responses play an important but insufficient role in controlling HIV infection," said Chen. "Hopefully this therapeuti...

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