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Tag: "purpose" at biology news

Researchers examine carbon capture and storage to combat global warming

...e would lead to more global warming, defeating the purpose of storage in the first place. ''People think, it would have been sort of sad going through all this trouble,'' said Tony Kovscek, associate professor of energy resources engineering and a researcher on a GCEP project on carbon sequestration in co...

Smallpox outbreak: How long would it take for vaccines to protect people? Would it work?

...r alone or in combination with Dryvax. "Another purpose of the study is to see how quickly people can be protected against smallpox after a release of smallpox into the environment," Frey said. Dryvax® vaccine is the original Food and Drug Administration (FDA) licensed vaccine that was used to protect h...

Machine preservation may promote more organ sharing

...om deceased donors are preserved on a pump. The purpose of this study was to compare outcomes in kidney transplant patients receiving kidneys from older deceased donors based on whether organs were preserved by pump or cold storage. "The critical organ shortage poses a challenge to optimize the use and...

First clinical trial of gene therapy for childhood blindness

...ve carried out extensive pre-clinical testing. The purpose of this trial is to find out how safe and effective the new intervention is in humans. The team conducting the trial, from UCL Institute of Ophthalmology and Moorfields Eye Hospital, is led by Professor Robin Ali and includes leading eye surgeon M...

How to steer a moving cell

...n migrating cells. So it clearly has an important purpose to the cell." A network of proteins called the cytoskeleton, the cell’s internal scaffolding, determines cell shape, helping the cell to grow and develop "growth cones." These are specialized structures at the tips of growing nerve fibers, calle...

Effect on breast tumors of DNA alternations in 3 genes described

...cially for hypermethylation in breast cancer. The purpose of the current study was to determine how DNA hypermethylation relates to other characteristics of breast tumors. "It is well known that mutation in genes -- alterations in their sequence -- is one of the characteristics of tumors responsible for ...

Danish researches solve virus puzzle

...to make the cells within a human body work for the purpose of the virus? Researchers at the University of Copenhagen shed new light on this question. The research is a collaboration between molecular biologists and physicists. ”The molecular biologists have knowledge of how the cell functions and of the int...

New details on how the immune system recognizes influenza

... extensive dossiers on dozens of pathogens. "The purpose of the database is to provide a catalog of molecules and structures that scientists around the world can quickly access and use to understand the immune response to a variety of epitopes, or methodically predict responses to as-yet untested targets,"...

A genetic 'gang of 4' drives spread of breast cancer

..., we believed, might also be used for some related purpose in the target organ, the lung." To test this idea, the researchers silenced various combinations of the four genes in human breast cancer cells that had metastasized to the lung, and then tested these cells in mice. To silence the four genes, the s...

Triplex assay used to assay duplex genomic DNA

...ixed with standard amounts of oligo probes for the purpose of automatic in solution assay. The instrument is easy to program, self-cleaning and inexpensive. Daksis indicated that she expected to soon publish data on the use of the Genome Flow® instrument to carry out triplex assaying of genomic samples fo...

Boosting brain power -- with chocolate

...flavanol beverage was specially formulated for the purpose of the study. ...

In presence of fragrant cleaning products, air purifiers that emit ozone can dirty the air

...zonolysis purifiers emit ozone at higher levels on purpose with the ostensible goal of oxidizing volatile organic compounds in the air. This research appeared online this morning in Environmental Science and Technology. "The public needs to be aware that every air purification approach has its limitati...

Music genes and musical geniuses

...ppreciated than others? And especially what is the purpose of music? These and other questions will be addressed by geneticists, psychologists, biologists, but also anthropologists and musicologists during the open conferences hosted in the Palazzo del Podestà. “All this is not just caused by curiosity: stud...

New approach to BSE successful in lab

...scrapie or similar diseases successfully. For this purpose they bred mice that only had some brain cells which could produce siRNAs. ‘Whereas the untreated mice died on average after 165 days, the mice which had been treated lived appreciably longer,?is how Professor Kretschmar summarises the results. BSE...

A silent pandemic: Industrial chemicals are impairing the brain development of children worldwide

... such as lead and mercury, are controlled with the purpose of protecting children. The 200 other chemicals that are known to be toxic to the human brain are not regulated to prevent adverse effects on the fetus or a small child." Grandjean and Landrigan conclude that industrial chemicals are responsible f...

Proteins may behave differently in natural environments

...d into the shape that allows them to achieve their purpose in the cells. Misfolded proteins have been implicated in a number of neurodegenerative and other diseases. Electron cryomicroscopy allows scientists to take very detailed two-dimensional images of individual molecules in a native-like environment...

Dinosaurs -- stones did not help with digestion

...en with their food or could have been swallowed on purpose to improve the intake of minerals. But if the stones did not help to crush vegetable food, the sauropods' digestive system must have used other methods, since the decomposition of large amounts of material which is difficult to digest requires the as...

Singing for survival

...eviously noted, but no extensive research into its purpose or understanding by other gibbons has been done until now. The team, Esther Clarke, Klaus Zuberbuhler (both St Andrews) and Ulrich Reichard (Max Planck Institute, Germany) observed the singing behaviour of white-handed gibbons in Khao Yai Nationa...

Development of gene therapy

... into tissues or cells via gene transfer, with the purpose of deriving a therapeutic or preventative benefit from the function of these genes. Gene transfer is achieved using a vector ? a kind of vehicle that carries the gene. Somatic gene transfer only targets body cells (somatic cells). Introducing genes i...

Crohn's disease gene identified

...ho. "However, the IL-23 pathway may serve a useful purpose in protecting us from other diseases, so when seeking to block or manipulate its activity with drugs or other means, we need to take this balancing act into consideration." Cho and co-authors represent the IBD Genetics Consortium, which is funded b...

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