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Tag: "power" at biology news

Hybrid grass may prove to be valuable fuel source

... demonstrate how Miscanthus goes from a plant to a power source. Existing U.S. power plants could be modified to use Miscanthus for fuel as in Europe, he said. Long collaborates with r...

Lance Armstrong through a physiological lens: hard training boosts muscle power 8%

... an 8% improvement in muscular efficiency and thus power production when cycling at a given maximal oxygen ...o a remarkable 18% improvement in his steady-state power per kilogram" output, the Coyle paper reported. The study, "Improved muscular efficiency displayed ...

UNC computer, marine scientists collaborate to predict flow of toxic waters from Katrina

...rface elevation they would need more computational power then they had at the university. They asked UNC's Dr. Daniel A. Reed for help -- based on their NOAA--funded collaboration with RENCI -- to establish a computational system with Web access for rapid-response forecasting to severe weather. Reed is Ch...

Gene Bridges And Covalys To Develop Restriction-Enzyme-Free SNAP-tag Gene Fusion Kits

...l combine the inherent advantages of BACs with the power of SNAP-tag for protein expression studies." The cloning kits, which will contain validated reference BAC, and substrate for functional testing of the SNAP-tag in the fusion protein, are expected to be on the market in Q3/2005. The cloning kits will...

Say what? Bacterial conversation stoppers

...on. A synchronized group of bacteria can mimic the power of a multi-cellular organism, ready to face challenges too daunting for an individual microbe going it alone. Swelling populations trigger their quorum-sensing apparatuses, which have different effects in different types of bacteria. One species migh...

Thinking the pain away? Study shows the brain's painkillers may cause 'placebo effect'

...in women and in people with various illnesses. The power of placebos to ease pain symptoms has been well-documented in many groups of subjects and illnesses, but the researchers started with healthy young males to rule out the impact of chronic pain, mood disorders and hormone variations, which can also af...

Microscopic brain imaging in the palm of your hand

...uorescence, the result is a system that brings the power of a cutting-edge imaging technique to the deep ti...ns. "This is a portable handheld device with the power of two-photon imaging -- the full functionality of a microscope that fits in the palm of your hand,"...

Multi-species genome comparison sheds new light on evolutionary processes, cancer mutations

...andom locations. "This study shows the tremendous power of using multi-species genome comparisons to understand evolutionary processes, including those with potential relevance to human disease," said NHGRI Scientific Director Eric D. Green, M.D., Ph.D. "The dog genome map generated by NHGRI researchers a...

Scientists to mimic nature for newest cancer drugs

...nd entanglements in fishing gear. "This is in our power to control," said Nowacek. "The Endangered Species Act has a clear mandate to stop extinctions. For this whale, it is time to enforce that mandate." Right whales range in the coastal waters of eastern North America from the Canadian Maritimes to Flo...

FSU scientist warns North Atlantic right whale facing extinction

...nd entanglements in fishing gear. "This is in our power to control," said Nowacek. "The Endangered Species Act has a clear mandate to stop extinctions. For this whale, it is time to enforce that mandate." Right whales range in the coastal waters of eastern North America from the Canadian Maritimes to Flo...

ORNL, UC Berkeley unravel real-world clues to Earth's mysteries

...ble in the near future. "This work illustrates the power of the genome sequencing done at the Department of Energy's Joint Genome Institute to contribute to understanding the microbiological communities living at contaminated sites," Orbach said. "Now scientists can investigate not only the 'community geno...

Researchers extend mouse lifespan by protecting against free radicals

...r" for the cell; and the mitochondrion, the cell's power plant that converts organic matter into energy. They compared the different groups of mice to a control group and found that increased production of catalase could affect the mouse lifespan. The mice with higher catalase levels in the mitochondria, ...

It's electric: Cows show promise as powerplants

...ady use the methane released by livestock waste to power machinery and lights. But converting methane into ...f these fuel cells together should generate enough power to run a rechargeable double-A battery," Rismani-Yazdi said. In related work done in Christy's lab,...

Researchers develop promising new gene network analysis method

...h has been used to explain complex systems such as power grids and neural networks. After applying both statistical methods to the experimental data, the team found that the correlation method was a more effective analytical tool. The method was sensitive enough to capture gene network changes after tamox...

Proteomics brings researchers closer to understanding microbes that produce acid mine drainage

...a particular organism. "This work illustrates the power of the genome sequencing done at the Department of Energy's Joint Genome Institute to contribute to understanding the microbiological communities living at contaminated sites," said Dr. Raymond L. Orbach, director of DOE's Office of Science. "Now sci...

MicroRNAs play a big part in gene regulation - and evolution

...or Comparative Functional Genomics tapped into the power of computation to search for microRNAs and their target genes in the entire genomes of seven Drosophila species. The authors then compared identified matches to matches they had found previously in vertebrates. The results provide the most extensive...

Researchers make headway in mystery of migraines

...ucing sodium pump efficiency--akin to reducing the power supply. "This is the first time that a genetic mutation of the sodium pump has been shown to cause disease by changing the properties of this biochemical process, rather than completely turning it off," notes Dr. Blostein. This new understanding of h...

How exactly does the brain control breathing?

...pecialised nerve cells (central chemoreceptors) to power the rhythm, but the issue highly debated by Guyenet and Richerson is the precise location and cell types involved. Guyenet proposes that these nerve cells are located in a ventral area of the brainstem (the retrofacial region) and loaded with a trans...

UN: World in big ecological mess

...sion of this assessment is that it lies within the power of human societies to ease the strains we are putting on the nature services of the planet, while continuing to use them to bring better living standards to all," the MA board of directors said in a statement, "Living beyond Our Means: Natural Assets...

Cancer related gene p53 not regulated as indicated by previous tissue culture research

...lopment of specific drugs that unleash the killing power of p53 by interfering with its negative regulators. Our cells are vulnerable to DNA breaks caused by UV light, ionizing radiation, toxic chemicals or other environmental damages. Unless promptly and properly repaired, these DNA breaks can let cell d...

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