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Tag: "field" at biology news

Newly discovered birdlike dinosaur is oldest raptor ever found in South America

...they occupied drifted apart." The paleontological field team was led by Argentine paleontologist Sebastin Apestegua. He and Federico Agnolin, both affiliated with the Museo Argentino de Ciencias Naturales and the Fundacin Flix de Azara, are co-authors of the Nature paper. "The preservation of Buitrerapt...

Polymer gel can block toxic leakage problem in gene therapy

... admit that," he said. "Nobody in the gene therapy field would believe this was happening." The study also pinpointed the routes for the viral escapes. Those particles were escaping from the tumor area into the bloodstream through rifts in tiny tumor blood vessels created by damage from the injection need...

Team led by Carnegie Mellon University scientist finds first evidence of a living memory trace

...ontext," said Galán. "All previous studies in this field have observed only a sustained, non-specific increase in neural activity after a living animal is repeatedly exposed to a stimulus. These investigations haven't retrieved a signature of a stimulus, whereas we have." The experiments were performed i...

Free-energy theory borne out in large-scale protein folding

...y. This has been a very controversial issue in the field of protein folding." Study co-authors also included Giovanni Fossati, assistant professor of physics and astronomy, who helped the team analyze and interpret the simulation data. ...

Molecular research suggest shift needed in how some drugs are created

...rogrammed cell death. "It has been thought in the field that a death domain is a death domain, and molecular recognition takes place in the same fashion," said lead author Michael V. Lasker, an M.D./Ph.D. student in the College of Medicine at Urbana-Champaign. "But the crystal structure of our death domai...

Islands in the Genome Promote Speciation

... they do so. This is a significant finding in the field of speciation research: in terms of methodology, this study shows that DNA microarrays can be used to identify regions of the genome that are different between two diverging species, allowing researchers to home in on potentially interesting genes. T...

Adult stem cells aid recovery in animal model of cerebral palsy

... they do so. This is a significant finding in the field of speciation research: in terms of methodology, this study shows that DNA microarrays can be used to identify regions of the genome that are different between two diverging species, allowing researchers to home in on potentially interesting genes. T...

Sangamo BioSciences demonstrates its ZFP treatment protects cells from HIV infection

...ennsylvania School of Medicine, is a leader in the field of research testing T-cell therapies for cancer and HIV infection. Dr. June stated, "After the recent negative news regarding trials with pharmacologic blockade of CCR5, it is very important that we focus on positive results involving this well-vali...

Novel enzyme offers new look at gene regulation

... human, our discovery will keep many people in the field busy for the years to come," said Zhang. ...

Switching to new anti-bacterial targets: Riboswitches

The recently emerged field of bacterial riboswitches may be a good hunting gr... was synthesized decades ago to study the then new field of vitamin nutrition. It was quickly found to be toxic but the mechanism was incompletely understood...

WWF peeks into mysterious life of Borneo's pygmy elephants

...pterocarp tree species. This was determined during field tracking that supplements the satellite tracking. It was proved that forest quality influences the diversity and distribution of elephant food in the forest, with encroachment into palm oil plantations being higher along the degraded forest-plantatio...

From one cell, many possible cures

...esearch may lead to important breakthroughs in the field of stem cell research and application, said Bruce Locke, chairman of the department of chemical and biomedical engineering in the College of Engineering. "By addressing one of the key issues constraining this research -- a limited supply of stem cell...

Students discover 11,000 year old remains of Irish Elk

...e students who found the elk were taking part in a field trip examining the Manx landscape. Dr Peter Davey, Director of the Centre for Manx Studies and Reader in Archaeology at the University who was leading the group at the time, said: "It's absolutely amazing ?most of the time when I come out here with s...

New malaria vaccine shows promise in early clinical trial

...he and colleagues have started a Phase II efficacy field trial of the MSP3 vaccine in malaria-exposed individuals. ...

Technique offers new view of dynamic biological landscape

...also have a role in clinical applications. "In the field of pharmacogenomics, clinicians seek to tailor drug therapies to an individual's genetic makeup," said Weissman. "They are essentially asking the very questions about epistatic interactions that E-MAPs can answer. They want to know whether if they in...

Twin molecular scissors link creation of microRNAs with gene-silencing

...t miRNAs, clearly important players on the genetic field despite having gone unnoticed for so long. How are they produced? And how do they work? In a series of studies published over the past year, a research team at The Wistar Institute has provided considerable insight into the world of miRNAs. In their...

Wild birds help to create human flu vaccine

...s samples collected from wild birds in Mongolia by field veterinarians from the New York City-based Wildlif...h survey of wild bird populations in Mongolia, WCS field vets Drs. William Karesh and Martin Gilbert responded to reports of the avian influenza outbreak in ...

Superconducting magnet attracts molecular research

...conducting electric coils that create the magnetic field were bathed in liquid helium to drop the temperatu...of certain atoms are immersed in a static magnetic field and then exposed to a second oscillating field, causing them to essentially line up and act in uniso...

Travelers can avoid jet lag by resetting their body clocks

...onin have successfully been used in laboratory and field settings to "phase advance" (resetting the circadian clock earlier in time so that all the circadian rhythms of the body occur earlier) thereby helping people adapt to night shift work or to a new time zone following rapid transmeridian jet travel. ...

Targeted drug delivery achieved with nanoparticle-aptamer bioconjugates

...finity; analogous to monoclonal antibodies. In the field of cancer nanotechnology, aptamers have the potent...es represent an exciting prospect in the advancing field of cancer nanotechonology and hold significant promise for future cancer treatment," remarked Dr Far...

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