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Tag: "scientist" at biology news

Malaria may fuel spread of HIV in sub-Saharan Africa

...sexual act," said Abu-Raddad, an HIV/AIDS research scientist in the Hutchinson Center's Statistical Center for ...on of malaria in Africa," said Kublin, an HIV/AIDS scientist in the Hutchinson Center's Clinical Research Division. Using a mathematical model designed by Abu-...

GlycoFi and Dartmouth report full humanization of yeast glycosylation pathway in Science

..., Ph.D., the lead author of the study and a senior scientist at GlycoFi. Yeast offers numerous advantages as a recombinant protein expression system when compared to mammalian cell culture. These include the capability of producing higher recombinant protein titers, shorter fermentation times, and the abilit...

American scientist's research of life's first cells

...D in February 2005 and is currently a postdoctoral scientist in the group of A. Meinhart at the Max Planck Institute for Medical Research in Heidelberg, Germany. Ron Milo (All Other Countries): For his essay "Simple Building Blocks for Complex Networks." Milo grew up in Kfar-Saba, Israel. As an undergrad...

Genetic surprise confirms neglected 70-year-old evolutionary hypothesis

...n Orr suddenly recalled an off-hand comment from a scientist named Hermann J. Muller in a paper 60 years earlier. Muller speculated that perhaps since the sterility in the flies is so recessive--meaning it's almost completely non-functional--perhaps the gene in question has jumped clear off the chromosome. "I...

MIT material stops bleeding in seconds

...ing control," said Rutledge Ellis-Behnke, research scientist in the MIT Department of Brain and Cognitive Sciences. This study will appear in the online edition of the journal Nanomedicine on Oct. 10 at http://www.nanomedjournal.com/inpress . It marks the first time that nanotechnology has been used to achi...

Knockout Mouse Project

...D., Children's Hospital Oakland Research Institute scientist and principle investigator for KOMP. "We're at the forefront of understanding the pathology of human genes. By knocking out each gene one-by-one, we will be able to create a central resource for researchers and scientists to use and study," said Dr...

First Biodiversity Census of coral reef ecosystems in the NW Hawaiian Islands

.... According to NOAA's Dr. Russell Brainard, chief scientist for the expedition, this pioneering effort is unprecedented in the level of taxonomic expertise. While annual reef assessment and monitoring program surveys are conducted throughout the Northwestern Hawaiian Islands (NWHI), those surveys have been fo...

Using nature's most primitive anti-viral defense system to find new approaches to cancer research

...ernational Cancer Research - are helping a leading scientist in London identify potential targets for drugs that block the spread of cancer. In one of the first studies of its kind, Dr Buzz Baum of the UCL Branch of the global Ludwig Institute for Cancer Research (LICR) is using the tiny fruit fly, Drosophil...

HIV gets a makeover

... Bieniasz and Theodora Hatziioannou, a research scientist in the lab and the paper's first author, had to overcome two major obstacles: the first was a protein called TRIM5 that, in monkeys, recognizes the outer shell or "capsid" of HIV-1 but not that of SIV. By swapping out the capsid region of the HIV-1 g...

Technology exists to keep E. coli out of food

...udy at the University of Minnesota, Extension food scientist Joellen Feirtag has been experimenting since April with a water-based electrochemical activation system that disinfects, cleans food and wipes out E. coli. While electrolyzed water systems are not new, this system, developed by a team of Russian sc...

Biologists probe the machinery of cellular protein factories

... postdoctoral researcher Andrei Korostelev, senior scientist Sergei Trakhanov, and postdoctoral researcher Martin Laurberg. The researchers used a technique called x-ray crystallography, which involves growing crystals of purified ribosomes, shining a focused beam of x-rays through the crystals, and analyzing ...

Silver bullet: UGA researchers use laser, nanotechnology to rapidly detect viruses

...change in frequency, named the Raman shift for the scientist who discovered it in 1928, is as distinct as a fingerprint. This phenomenon is well known, but Tripp explained that previous attempts to use Raman spectroscopy to diagnose viruses failed because the signal produced is inherently weak. But UGA ...

Beyond the book: Software automates access to brain atlases

...ialist in neuroinformatics who works as a research scientist at the University of Southern California's Information Sciences Institute, part of the USC Viterbi School of Engineering. "Our NeuARt II system will make them much more user-friendly. The same viewing system, Burns believes, can help neuroscientist...

Flu shot effective against drifted influenza, nasal spray vaccine less so

... and lead author Suzanne Ohmit, assistant research scientist in epidemiology, took throat swab specimens from participants experiencing flu symptoms and analyzed them, using virus isolation and PCR techniques, to determine if influenza virus was causing the illness. Monto and Ohmit suspect that the adult par...

Biofuel cells without the bio cells

...m-damaging accumulation of electrons. PNNL staff scientist and co-author Uljana Mayer devised new tagging methods that enabled the team to isolate sufficient amounts of protein. The tags also allowed fast measurements of protein-mineral binding. The researchers supplied the protein with energy--directly a...

Stem cell activity deciphered in the aging brain

...uke University Medical Center and medical research scientist at Durham VA Medical Center. Results of the study appear online in the journal Neurobiology of Aging. The research was funded by the National Institutes of Health and the U.S. Department of Veterans Affairs. Previous studies by Shetty and others ...

Cardiologist's 'living chip' changes science of disease monitoring

...radford Berk, M.D, Ph.D., an internationally known scientist and CEO of the University of Rochester Medical Center. "Cell-based analysis of physiologic functions is a novel approach to monitoring human disease and response to therapy," Berk said. "A key aspect of our approach is integrating the cells in a matr...

Otherworldly bacteria discovered two miles down

...n University,* which also includes Carnegie staff scientist Douglas Rumble and former Carnegie postdoctoral researcher Pei-Ling Wang, also now at National Taiwan University, found the community in a rock fracture that intersects the Mponeng gold mine near Johannesburg, South Africa. Water trapped in the fract...

Too mellow for our predatory world

...nisms that control behaviour such as flight. The scientist around Thomas Roedl from the Max Planck Institute for Ornithology visited the Galápagos Islands for field studies from December 2003 until January 2004 and again in March 2005, using the research platform of the Max Planck Society. The islands in th...

Coral reefs are increasingly vulnerable to angry oceans

...ms than others," said first author Joshua Madin, a scientist with the National Center for Ecological Analysis and Synthesis (NCEAS) at the University of California, Santa Barbara. "However, to really predict how these events impact the dynamics of coral reefs we needed a way to quantify these vulnerabilities."...

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