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Tag: "leap" at biology news

Microbial fuel cell: High yield hydrogen source and wastewater cleaner

...ded to run a typical 6 volt cell phone -- they can leap over the fermentation barrier and convert a "dead end" fermentation product, acetic acid, into carbon dioxide and hydrogen. Logan notes, "Basically, we use the same microbial fuel cell we developed to clean wastewater and produce electricity. Howeve...

Using nanoparticles, in vivo gene therapy activates brain stem cells

...n, from in vitro to in vivo, represents a dramatic leap forward in developing experimental, non-viral techniques to study brain biology and new therapies to address some of the most debilitating human diseases." Viral vectors for gene therapy always carry with them the potential to revert back to wild-ty...

Most common lung cancers may begin in newly discovered cells

...of Bender Kim and colleagues represents not only a leap forward in our understanding of lung tumorigenesis, it also heralds the arrival of a valuable mouse model for identifying those cells that should be the targets of therapeutic intervention," wrote Anton Berns of The Netherlands Cancer Center in Amste...

Sleeping beauty plays a significant role in identifying cancer genes

...of the new Sleeping Beauty method could be a major leap forward in understanding cancer's weak points and thus lead to better treatments." According to Largaespada, "About 300 human cancer-related genes have thus far been reported in the scientific literature. Most of those identified are involved in can...

UQ researcher tracking key to healing the brain

... cells while they are working in the body, a major leap forward. "Defining the role and regulation of neural stem cells in the adult brain will undoubtedly revolutionise our understanding of how the brain responds to its environment," Dr Rietze said. "This will allow us to ultimately harness its regen...

NHGRI expands effort to revolutionize sequencing technologies

...quencing a genome, but they will provide a quantum leap in the scope and scale of research aimed at uncovering the genomic contributions to common diseases, such as cancer, heart disease and diabetes." Over the past decade, DNA sequencing costs have fallen more than 50-fold, fueled in large part by tools...

Stolen gene allows insect virus to enter cells

...y examined how baculoviruses took the evolutionary leap needed to become the nasty bugs they are today. In the study, reported in the July 1 issue of the Journal of Virology, BTI researchers Gary Blissard and Oliver Lung investigated whether a fruit fly gene, called an f gene, had originally moved from a...

New antifreeze protein found in fleas may allow longer storage of transplant organs

...ing organ under their abdomen which allows them to leap hundreds of times their one-millimeter length. Dr. Graham first noticed them while cross-country skiing, and brought several samples into the lab. "It was serendipity," she says now. "They looked like dots of pepper sprinkled on the snow. Later we we...

Contagious obesity? Identifying the human adenoviruses that may make us fat

...lack of control," Whigham said. "It's a big mental leap to think you can catch obesity." However, other diseases once thought to be the product of environmental factors are now known to stem from infectious agents. For example, ulcers were once thought to be the result of stress, but researchers eventuall...

Infection 'alarm' yields clues to immune system behavior

... intruder alarm causes the body's immune system to leap into action to fight the infection. Learning more about how this process works, the researchers said, could lead to better treatments for diseases that occur when the immune system overreacts or pays too little attention to the infection alarm. Coll...

Testes to incubate stem cells

... told conference attendees. Although admitting the leap to humans is considerable, the colonised mouse testes are already providing useful insights. "We'd like to know how to culture human spermatogenic stem cells to restore male fertility after cancer therapy," says Hannu Sariola, from the University o...

Crucial site for endangered frogs and birds saved

...most crucial to protect. "This represents a great leap for avoiding extinction," said Alonso Quevedo, president of Fundación ProAves. "Not only is creation of the reserve a landmark for Colombian conservation, it is a fine example of international collaboration." In late December, Fundación ProAves lear...

APS lecturer shows rare video of 'teacher-student' immune cell interactions in live animal

...it fails to recognize the danger." Technological leap makes it possible Intravital microscopy, invented in the early 19th century, allows scientists to look at the tissues and cells of live animals. The technology has been in use for generations. But particularly advanced and powerful multi-photon mic...

Nanowire arrays can detect signals along individual neurons

...re or detect neurotransmitters, the chemicals that leap synapses to carry electrical impulses from one neuron to another. "This work could have a revolutionary impact on science and technology," Lieber says. "It provides a powerful new approach for neuroscience to study and manipulate signal propagation...

New genetic test for breast cancer

...emotherapy. "With this trial, we're taking a big leap forward in integrating modern molecular diagnostic testing into clinical decision-making in order to individualize cancer treatments," Dr. Sparano said. ...

Protein clue to tailor-made antibiotics

...entists at the University of York have made a huge leap forward in the search for 'smarter' antibiotics. A research group in the Department of Biology has made a significant advance in understanding how bacteria use proteins to conduct a type of biological warfare. Bacteria like E. coli frequently tr...

Spinal cord bridge bypasses injury to restore mobility

...his was one small step for a rat, it was one giant leap for man," said Silver. ...

Smell of success for nanobiosensors

...bioelectronic sensors, he says, represent a 'major leap forward' in smell technology and a clear example of a biomimetic devices obtained by converging Nano-Bio-Info technologies. Several hundred different proteins, which the SPOT-NOSED researchers genetically copied from rats and grew in yeast, would be...

Race to halt global amphibian crisis boosted by rediscovery of endangered Colombian frogs

...ion Fund (FPAA). "This rediscovery is a momentous leap of hope for saving species across the Andes," said Alonso Quevedo, the Fundación ProAves president and an active herpetologist. "The extinction crisis is wiping out so many important environmental indicator species, such as Atelopus frogs, before our...

Comments, experts and background on the 2006 Nobel Prize in chemistry

...hat enabled molecular biology and biotechnology to leap ahead. I am delighted that this Nobel Prize highlights chemistry's role in such an important field of research." E. Ann Nalley, Ph.D., is president of the American Chemical Society, the world's largest scientific society, and professor of chemistry...

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