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Tag: "trick" at biology news

Brightening prospects of using fluorescent nanotubes in medical applications

...w them to bind to specific biological targets. The trick is to do so without dimming or extinguishing the nanotubes’ delicate fluorescence. An example of the possible medical applications of nanotube fluorescence is a collaboration that Hertel and Associate Professor of Biomedical Research Duco Jansen ar...

Herpes virus hijacks DNA repair process

...edicine in St. Louis identified a protein that can trick the mouse cell into turning on the DNA damage response. They also showed that Epstein-Barr virus, a human herpes virus, has a similar protein. Scientists found that blocking murine herpes virus from activating the DNA damage response caused viral rep...

Danish researches solve virus puzzle

...de of the host cell, but the virus has the special trick that its RNA resembles that of the host cell, and .... This is the manner in which many vira, e.g. HIV, trick the cell into producing something which it never would have done otherwise. Understanding the role o...

Mimicking how the brain recognizes street scenes

... the biological model turns computer vision from a trick into something really useful," said co-author Stanley Bileschi, a post-doctoral researcher in the Poggio lab. He and co-author Lior Wolf, a former post-doctoral associate who is now on the faculty of the Computer Science Department at Tel-Aviv Univer...

Turning green gunk to gold, anti-cancer gold

.... Sherman and researcher Zachary Q. Beck found the trick to turning the green gunk into gold---cancer fighting gold. "It was simply too difficult to use the native blue-green algae for high-level production using traditional fermentation approaches," said Sherman. But the compound, called cryptophycin ...

Researchers find hepatitis A and hepatitis C attack same protein to block immune defenses

...iver viruses have one important thing in common: a trick for avoiding destruction by the immune system. Both dodge immune attacks by attacking the same protein ?an essential link in a chain of molecular signals that triggers antiviral responses. "With 30,000-plus proteins in the cell, it’s really remark...

Producing medicines in plant seeds

...had been very difficult to do up to that time. The trick the researchers used was to modify the plants in such a way that they would produce the antibody variant in their seeds. With their special technique, the scientists succeeded in producing seeds in which the desired protein is good for more than one ...

Liposuctioned fat stem cells to repair bodies

...gs could allow scientists to pull off the ultimate trick of taking a patient’s own fat cells and using them for therapy, Collas told researchers gathered at the EuroSTELLS Workshop ‘Exploring Chromatin in Stem Cells?held on January 23-24, in Montpellier, France. "Fat tissue is an underappreciated source o...

A sweet step toward new cancer therapies

...n't know which part of the tree it came from." The trick is to make breaks that cut across the ring structures, rather lopping off branches. By using metals as charge carriers, the researchers were able to do just that, yielding valuable structural information. In a project that continues to build on th...

Male contraception: One door opens, another closes

...ee a new contraceptive in the near future? "The trick is to make sure we follow up on the leads we have," says Lissner. "There's a tendency to support glamorous new research in the lab, but abandon it when it gets to the expensive part: actually testing it in men and getting it to market." This probl...

An AIDS-related virus tricks cells to become tumors, new Penn study finds

...Abramson Cancer Center. Marked for Disposal The trick is played out in a cell process called ubiquitylation. This refers to a pathway in all cells whereby a protein aptly named ubiquitin binds to cellular proteins and marks them for degradation. This process can be likened to putting out the garbage for...

Researchers identify neurons that assign value during learning

By using an experimental trick to activate certain sets of neurons and effectively substitute activation of these cells for positive or negative experiences, researchers have been able to identify neurons in the fruit fly Drosophila that are responsible for assigning value to stim...

Scientists crack genetic secrets of human egg

..."Some of those genes are responsible for the magic trick that the egg has. This paper takes a peek at what genes are in the egg waiting to make these changes." Combined with sperm, the egg divides and organizes cells to ultimately create a human being. Combined with technology, the unfertilized egg mi...

When the label says 'low fat,' calories can pile up, study says

...he regular version," Wansink said. "Low-fat labels trick people into eating more than regular labels. But the cruel twist is that these labels have an even more dramatic impact on those who are overweight. They are at danger for really overindulging when they see something with a low-fat label. If we are l...

Chemical tests of cell growth enter third dimension

...a drug's potential side effects on the body. "The trick is to use one pump for everything, and control the fluid distribution though all the channels," Yang said. While he has worked out an initial design, he would like to join with a commercial microfluidics manufacturer to develop the technology further...

Reading Shakespeare has dramatic effect on human brain

...rain is a bit like a magic trick; we know what the trick means but not how it happened. Instead of being confused by this in a negative sense, the brain is positively excited. The brain signature is relatively uneventful when we understand the meaning of a word but when the word changes the grammar of th...

Study finds the air rich with bacteria

...f a terrorist attack and trigger false alarms. The trick is to determine whether the amount of F. tularensis detected in an air sample is in synch with normal levels, or if it's suspicious. "Almost all of the bacterial bioterror pathogens are in the environment and in the air naturally, so we need to f...

New finding points way to foiling anthrax's tricks

...f California, Berkeley, chemists have discovered a trick that anthrax bacteria use to make an end run aroun...n Cancer Research Center in Seattle, uncovered the trick while studying how these deadly bacteria steal iron from their human hosts to grow and reproduce. ...

Robots manipulating animal behaviour

...late the behaviour of a whole colony of insects. A trick that would delight pest-controllers the world over! Two side-projects under Leurre also looked at sheep and chickens, animals that are happy to follow their 'leaders' ?unlike the cockroaches, whose collective behaviour is essentially 'democratic'. T...

Nanotubes used for first time to send signals to nerve cells

Texas scientists have added one more trick to the amazing repertoire of carbon nanotubes -- the ability to carry electrical signals to nerve cells. Nanotubes, tiny hollow carbon filaments about one ten-thousandth the diameter of a human hair, are already famed as one of the most versatile ma...

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