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Tag: "solution" at biology news

Watching the brain switch off 'self'

...ory processing or introspection brain areas. Their solution was to ask subjects to look at the same pictures or listen to the same musical phrases, but to perform two different kinds of processing on them. To explore sensory processing, the researchers asked the subjects to use buttons to classify the images ...

Tool developed to silence genes in specific tissues using RNAi

...work by the M. D. Anderson team has come up with a solution that solves both problems. The technique they developed involves use of two different "modules" that can be swapped in and out of the backbone of a vector. One is a small stem loop designed to complement the RNA produced by the gene they wish to sil...

USC, Rice to develop bacteria-powered fuel cells

...s in the system: the bacteria, the surface and the solution that the bacteria are digesting," said Lüttge, associate professor of earth science and chemistry. "Any change in one variable will affect the other two, and what we want to do is find out how to tweak each one to optimize the performance of the whol...

Less antibiotic use in food animals leads to less drug resistance in people, study shows

...cribing or overuse of antibiotics. An Australian solution to the drug resistance problem has been to prohibit the use of certain antibiotics, called fluoroquinolones, in food animals such as poultry. Such a policy puts Australia in a relatively unique position, since its animal and food production levels ar...

How the octopus forms an elbow

...-controlled at the level of joints--is the optimal solution to the challenge of achieving precise point-to-point movements by a limb. ...

Georgia Tech accelerates drug discovery with new IBM supercomputing cluster

...y and experience to quickly create a one-of-a-kind solution that could support Georgia Tech, IBM and the super...switch/router in a single high performance cluster solution to provide organizations like the Center for the Study of Systems Biology with the computing power t...

The giant protein titin helps build muscles

...research by the Wilmanns and Gautel teams, gives a solution to how this might happen. Peijian Zou and Nikos Pinotsis from the Wilmanns lab obtained crystals of parts of the titin molecule bound to another protein, called telethonin. They analyzed the crystals on high-energy X-ray beamlines at EMBL's Hamburg s...

Gut protein found to protect against infection and intestinal breakdown

...ing bile acids orally as a substitute isn't a good solution because they can cause liver damage, Dr. Kliewer said. The researchers focused on a molecule ?FXR ?in the wall of the lining, which binds to bile acids. When FXR was activated by a synthetic binding chemical called GW4064, it was found to activate s...

AIDS drug from sunflowers

...sunflower cells or other plant cells in a nutrient solution together with the mould sclerotinia sclerotiorum and then obtain the enzyme from the liquid,' CEMBIO researcher Ralf Theisen says. 'If things go according to plan, we could produce DCQA at a substantially reduced cost.' From the ceiling of Ralf Thei...

Loosen leash on cancer protein 'watchdog,' researchers say

...your body out?" The scientists theorized that the solution could lie with another protein the body produces naturally to keep p53 in check. This other protein, called Mdm2, keeps p53 inactive until it is needed, acting like a leash on a watchdog. "p53 seems to be an important stress response gene that fight...

Stable polymer nanotubes may have a biotech future

...eks of storage, and can be removed from the liquid solution and placed on a dry surface or in a different container. The optical tweezers can be used to custom build nanotube network structures. The work was supported in part by the Office of Naval Research. ...

Salmon go veggie to save wild fish stocks

...declining annual global fish catches. To provide a solution with respect to fish oil, a team of scientists from the University of British Columbia and the Department of Fisheries and Oceans, Canada, have been studying the effects of replacing anchovy oil with canola oil (also known as rapeseed oil) in the die...

Tetracycline plus teeth equal gray smile

...on, where the enamel is painted with the whitening solution and "cured" under a UV light. Then, for every nigh...t uses customized trays that deliver the whitening solution to the teeth. During this time period, the patient maintained a meticulous home oral hygiene care an...

UF scientists test improved gene therapy method for hereditary heart conditions

... Byrne said. "Right now AAV-9 seems to be our best solution for heart problems. "The primates were done to give us insight into how this could be used in children," he said, adding that UF researchers hope to launch a trial in patients with Pompe disease early next year. "Many of the inborn errors have thei...

Drug triggers body's mechanism to reverse aging effect on memory process

...-aged rats twice a day for four days with either a solution that contained ampakines or one that did not. They then studied the hippocampus region of the rats' brains, an area critical for memory and learning. They found that in the ampakine-treated rats, there was a significant increase in the production of ...

Pest control research leads to pain control discovery

... pain, Hammock said. The UC Davis study may mean a solution to the dilemma of whether to use the drugs. "Combination therapies have long been used to treat inflammation while reducing side effects," Schmelzer wrote. She said the present study was designed to evaluate the therapeutic potential of combination...

Sandia work launched on space shuttle shows live cells influence growth of nanostructures

...ingle cells are added to a visually clear, aqueous solution of silica and phospholipids, and the slurry is then dried on a surface. (Phospholipids are two-sided molecules that make up cell membranes.) Ordinarily, the drying of lipid-silica solutions produces an ordered porous nanostructure by a process know...

Structure determined for p53 tumor suppressor protein as bound to DNA for anti-cancer activity

....) The researchers found that the dimers formed in solution prior to crystallization attempts took on a form that was incompatible with DNA binding. "There's an inactive form of the p53 dimer that's unable to bind DNA in the correct fashion," Marmorstein explains. "We knew there had to be a structural rearr...

Snakes' virtual glasses, leopard spots and all-optical transistors

... at the Technische Universität München believe the solution to the paradox could be a network of neurons in the snakes' brains –a kind of snake brain firmware - that provides image enhancement as though the snakes were wearing virtual corrective lenses. Because snakes' brains are small, the physicists kept th...

A single sugar found responsible for an antibody's ability to treat inflammation

...A small fraction of the IgG antibodies in the IVIG solution carry a sugar called sialic acid that is required for its protective ability. IgG antibodies bind to and activate specific immune cells, with different forms or "subclasses" binding to specific receptors (called Fc receptors) on the immune cell's s...

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