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Tag: "among" at biology news

Disease diagnosis, biodefense among UH chemical research projects

...ng, in addition to numerous graduate students, are among the UH attendees. Presenters and presentations include: # Rigoberto Advincula, associate professor of chemistry, and his research group will present 22 papers with recent research results based on two major themes ?polymer-nanoparticle hybrid materi...

Solutions that reduce death of marine life reeled in by International Smart Gear Competition

...pes and stiffer nets--the results of collaboration among a chemist, biologist and fisherman--was recognized as a runner up with $5,000 in the "cetaceans" category. More than 300,000 whales, dolphins and porpoises--or cetaceans--are estimated to die every year from entanglement in fishing gear, more than fr...

Scientists identify genetic pathways essential to RNA interference

...nd may help control resistance to viral infection, among other functions. For the current study, lead author John Kim, PhD, and his colleagues developed a strain of C. elegans into which they added a gene that caused the worms to glow under ultraviolet light but also turned that gene off using RNAi. They ...

Brain-mapping technique aids understanding of sleep, wakefulness

The power of a new technique to map connections among nerve cells in the brain has a UT Southwestern Medical Center scientist dreaming of solving the mysteries of sleep. By tracking which nerve cells in the mouse brain stimulate others, researchers in Japan and at UT Southwestern found that a type of n...

Infants With Rare Genetic Disease Saved by Cord Blood Stem Cells

...t period of time they have been followed. Survival among Hurler's children who receive bone marrow is between 63 and 72 percent. ...

Small species back-up giant marsupial climate change extinction claim

...ance because the Darling Downs fossil deposits are among the youngest Australian megafauna deposits - laid down on the cusp of the extinction event. PhD researcher Gilbert Price, of QUT's School of Natural Resource Science who led the study, says: "Unravelling the cause of the late Ice Age extinction has...

Emergence of cancer as major cause of childhood death in developing countries is not being adequately addressed

The emergence of cancer as a major cause of death among children in developing regions of the world is not being adequately addressed by national or international health organizations and charities, according to investigators at St. Jude Children’s Research Hospital. This growing rate of pediatric cancer ...

Same-Sex Mating Discovered in a Toxic Fungus

...between self-fertilization and sexual reproduction among unrelated individuals, known to occur in the fungal, plant and even animal kingdoms, the researchers said. Christina Hull, now at the University of Wisconsin, Madison, also contributed to the research. The work was supported by the National Institut...

Youth With HIV Take More Risks After New Meds Introduced

...afe_sex11-01-01.cfm), Lightfoot and colleagues are among the first to examine whether HIV-positive youth are taking more risks as well. To find out, they compared behaviors between 349 teens with HIV in Los Angeles, San Francisco, New York and Miami between 1994 and 1996 with 175 teens with HIV in the sam...

Different microarray systems more alike than previously thought

...ut with the exception of that one lab, the results among platforms were in general agreement and the quality of expensive and inexpensive platforms was similar across the board. The researchers also note that although the technologies show general agreement, the results are far from identical. Additional ...

Study: 'homemade' gene expression technology unreliable

...for analyzing gene expression must be standardized among laboratories and across platforms around the world...leotide microarray. The two types were represented among 12 microarray platforms used by seven consortium laboratories, all of which generated data from two ...

Scientists journey to southern Africa to unravel the secret world of elephant communication

...ed freezing is a common behavior in the wild, even among large herds of 20 or more. Remaining motionless se...nd seismic estrus calls on the dominance hierarchy among bulls. "Our work is really at the interface of geophysics, neurophysiology and ecology," she says. ...

Decoding the logic of olfaction

...terning, the odor representations are very similar among individuals. "This may explain why odors elicit similar responses in different individuals. For example, most people don't like the smell of skunk odor, but they do like the smell of chocolate," she said. The researchers also found that the spatial ...

Genpathway and Baylor College of Medicine Identify New Genes in Breast Cancer

...terning, the odor representations are very similar among individuals. "This may explain why odors elicit similar responses in different individuals. For example, most people don't like the smell of skunk odor, but they do like the smell of chocolate," she said. The researchers also found that the spatial ...

Turning viruses into allies against cancer

...d widespread infectivity, toxicity and destruction among these cells, probably through apoptosis or programmed cell death. When the modified virus was injected directly into human liver cancer cells grafted onto laboratory mice, scientists observed significant prolongation of life; complete regression was...

Chromosome Deletion Predicts Aggressive Neuroblastoma

... the ASCO meeting, by being named the top abstract among more than 100 submitted by oncology fellows. It also received a second award, as the highest-ranking abstract in pediatric cancer research. Dr. Attiyeh works in a comprehensive neuroblastoma research program at Children's Hospital, directed by John M...

Are rice and wheat behind China's population boom?

...ne. The discovery of wheat - excavated from a pit among ancient house ruins and garbage dumps - was especially intriguing. The Chinese were not known to have contact with western Asia - the likely source of the wheat - until much later. "Despite all we know about China, we have never had a really good id...

New World founders small in number

...n genetic history could be found despite variation among genes. He also added an additional parameter to standard models to incorporate changes in the size of the ancestral population and of each founder population through time. His analysis suggests that only about 70 individuals left their ancestral Asi...

Scientists discover that three overlapping signals in embryo help get the backbone right

...three proteins identified in the team's report are among at least five that block other signals to allow the back, or dorsal, structures to form. Thirteen years ago, Richard Harland, professor and chair of the Department of Molecular and Cell Biology at UC Berkeley, showed that injecting one of these facto...

Study reveals dramatic difference between breast cancers in US and Africa

... type of basal-like breast cancer is also observed among women with inherited BRCA1 mutations). Tumors that arise from basal cells have a worse prognosis, regardless of race. -- Second, African breast cancers often lacked estrogen receptors. Although 80 percent of breast cancers in Caucasian women have es...

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