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Tag: "term" at biology news

Anti-bacterial additive widespread in U.S. waterways

...e environmentalcharacteristics, which include long term persistence and potentialbioaccumulation. Triclocarban, for example, has an estimated half lifeof 1.5 years in aquatic sediments. Do the potential benefits ofantimicrobial products outweigh their known environmental and humanhealth risks? This is a s...

Emory Eye Center Implants Its First Retinal Chips In Patients With Retinitis Pigmentosa

...retinal degeneration in both eyes. It is a general term for a number of diseases that predominantly affect the photoreceptor layer or "light sensing" cells of the retina. Night blindness develops, usually in childhood, followed by loss of peripheral visual field, progressing over many years to tunnel visi...

UCSD discovery may help extend life of natural pesticide

...ect resistance to Bt is a major threat to its long term use. Our findings make it possible to understand resistance at the molecular level and should improve resistance management." In collaboration with Paul Cremer and Tinglu Yang, coauthors on the paper and chemists at Texas A&M University, Griffit...

Kinovate Life Sciences Launches Nittophase?High Performance Solid Support For Oligonucleatide Synthesis

...cales in this industry to meet both long and short term objectives of cost savings, and the eventual development of oligonucleotide drugs that are affordable to patients,?stated Dr. Kenji Matsumoto, President of Kinovate Life Sciences, Inc. “Through our strong collaborative relationship with Isis Pharmace...

Dead zone area in Gulf could be increasing, researchers say

...poxia, which creates the dead zone." Hypoxia is a term for extremely low levels of oxygen concentrations in water. Hypoxia can result in fish kills and can severely impact other forms of marine life where it is present. The dead zone area covers about 6,000 square miles in the Gulf. The dead zone is lo...

Gene Therapy Cures Inherited Liver Disease In Rats

...er-Najjar syndrome) has been completely cured long term with a single injection in an adult animal," said ... vector itself is important because it has no long term effect. It does not become part of the genetic machinery of the cell and poses no risk of causing ca...

Love's all in the brain: fMRI study shows strong, lateralized reward, not sex, drive

...sex drive, romantic love, and attachment to a long term partner," Fisher said, "and our results suggest how feelings of romantic love might change into feelings of attachment. Our results support what people have always assumed ?that romantic love is one of the most powerful of all human experiences. It i...

Super predators and mass extinctions

...h food and living space. The model also included a term that controls mutation rates, allowing new species to develop over time. The model shows that, much of time, the system is populated with "medium efficiency" predators whose numbers fluctuate only slightly as the prey population waxes and wanes. Inev...

Small species back-up giant marsupial climate change extinction claim

...ia's past, something integral when developing long term strategies for a sustainable future." ...

Anammox bacteria produce nitrogen gas in oceans' snackbar

...ogen budgets, which play an important role in long term climate predictions, will have to be revised. The discovered nitrogen loss has also consequences for the carbon cycle in marine ecosystems. Denitrification. The measurements refute the dominating theory that oceanic nitrogen loss results from the ac...

Gene therapy cures inherited liver disease in rats

...er-Najjar syndrome) has been completely cured long term with a single injection in an adult animal," said ... vector itself is important because it has no long term effect. It does not become part of the genetic machinery of the cell and poses no risk of causing ca...

Building a protein name dictionary from full text: a machine learning term extraction approach

...formance in full text. Conclusions This dictionary term lookup method compares favorably to other published methods, supporting the significance of our direct extraction approach. The method is strong in recognizing name variants not found in SwissProt. ...

Protein synthesis can be controlled by light, opening way for new scientific, medical applications

...age to restrict its activity," said Dore, "but the term 'cage' is really a misnomer because we are not actually placing a molecule inside of a molecule." The team developed a caged anisomycin compound that can be activated by exposure to ultraviolet light or an infrared laser beam. (Anisomycin is an anti...

Scientists discover global pattern of big fish diversity in open oceans

... key to maintaining our supply of fish in the long term and the ability of these living resources to rebound from environmental changes. Open Ocean Hotspots Coral reefs have long been known for their rich diversity of fish and invertebrates, but examining the diversity of highly mobile fish in the open ...

Self-assembled DNA buckyballs for drug delivery

...ry and as containers for chemical reactions. The term "buckyballs" has been used up to now for tiny spherical assemblies of carbon atoms known as Buckminsterfullerenes or just fullerenes. Under the right conditions, carbon atoms can link up into hexagons and pentagons, which in turn assemble into spheri...

Researchers devise new technique for creating human stem cells

...m human embryonic stem cells," he said. "The long term goal for this experiment was to do cell fusion in a way that would allow the elimination of the embryonic stem cell nucleus to create an embryonic stem cell from the somatic cell," said Melton. "This paper reports only the first step toward that goal...

For first time, brain cells generated in a dish

...e refer to when they say "stem cell." Although the term is used frequently to describe immature cells that are the building blocks of bones, skin, flesh and organs, the actual stem cell as it exists in the brain has been enigmatic, according to Dennis Steindler, Ph.D., executive director of the McKnight B...

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

...h the study commented: "This study shows that long term training has a lot bigger effects than we thought. They followed Armstrong ?a well-known hard trainer ?and the changes in his efficiency over seven years are really quite amazing. We wouldn't be surprised if some major physiological changes happened,...

Squeezing out dune plants

... sediments, and reducing erosion, both in the long term and during events such as hurricanes. They also provide critical habitat for endangered animals such as the Kemp's ridley sea turtle (Lepidochelys kempii). According to the scientists, in a low sea-rise scenario, plant communities fully developed o...

After the yeast is gone bacteria continue to develop flavor of sparkling wine

...ed as bubbles when the bottle is opened, hence the term "sparkling". After the fermentation is completed the Cava wine is aged in the bottles with the yeast for at least nine months, or longer for premium quality wines. During aging, substantial chemical changes take place due to cell lysis which contribu...

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