Tag: "levels" at biology news
K-State's National Agricultural Biosecurity Center receives $1.3 Million from Department of Defense
...o be used by emergency management personnel at all levels
who need to access such agrosecurity information." Plans are to create an integrated system accessible to the end-users via the Internet. The lessons learned database, real time content aggregations, and continuing education Web site applications wi...
Endangered species list more bleak than originally thought
...e University of Tennessee, calculated the expected levels
of co-extinction across a diverse selection of host and associate systems. Their research is published in the current edition of the prestigious journal, "Science." The team first compiled a list of 12,200 plants and animals currently listed as threa...
Serotonin metabolites in mollusks suggest pathways for human therapies
...nt in the neuroscience program, measured the blood levels
of serotonin sulfate as a time-of-day function. It may be important for growth, most of which occurs during sleep, Gillette said. It's possible that the role of serotonin sulfate in marine mollusks is similar to melatonin, which resests the circadi...
New research shows air pollution can reduce children's lung function
... Olden, director of NIEHS. "It shows that current levels
of air pollution have adverse effects on lung deve... grade to 12th grade. The researchers also tracked levels
of air pollutants like nitrogen dioxide, acid vapor, elemental carbon, and particulate matter in the...
Ventilation in bars, casinos doesn't control health risk for hospitality workers
...ual chalk dust in the pool hall at 17% of pre-ban levels
-- air quality levels
post-ban in all venues were indistinguishable from those measured out-of-doors. Prior to the smoki...
Reducing allergens in the home helps inner-city children with asthma
...LAS Sept. 9, 2004 A study designed to reduce the levels
of indoor allergens conducted in the homes of inn...ronmental intervention designed to reduce allergen levels
in the home indeed led to a marked reduction of irritants. As a result, children living in these hom...
New evidence of radiation risk in childhood leukaemia
...een in unexposed individuals but are maintained at levels
similar to those of directly exposed males. He then went on to show that the elevated mutation rates persisted into the second generation of offspring, through both the male and female germ-lines. Dubrova and his colleagues developed a novel, effect...
Fossils reveal direct link between global warming and genetic diversity in wildlife
...tically during the Little Ice Age as precipitation levels
increased. These findings established a direct correlation between climate change and population size, but how did individual voles and pocket gophers respond genetically to these episodes of global warming and cooling? Earlier studies have shown ...
Research suggests unborn children may be at risk from environmental pollution
...the increased sensitivity of the foetus. The exact levels
are as yet unknown but we know that childhood leukaemia is initiated in utero and this could well be a factor in the initiation.Consideration must now be given to the likely risk estimates." Top international experts from Europe, America, Asia and Au...
The birth of a beak
...eveloping embryo, and are associated with activity levels
of a specific protein called bone morphogenetic pr...ridization techniques, the researchers tracked the levels
of a number of growth-related genes. They were able to pinpoint BMP4 as a candidate for mediating gr...
Flame retardants found on supermarket shelves
...worlds largest scientific society, revealed higher levels
of flame retardants in the foods here than similar...ining animal fats, Schecter says, with the highest levels
in fish, followed by meat and then dairy products. PBDEs are most soluble in fats, so they tend to a...
New imaging technology at Joslin shown to detect early signs of type 1 diabetes
...abetes in its earliest stages was to measure blood levels
of autoantibodies (the immune system's "guided missiles") directed against pancreatic islet proteins. Yet, these tests are only an indirect indication of the disease process, and don't allow researchers to directly follow the progression of disease. ...
Purdue study finds antioxidant protects metal-eating plants
...hers studying how certain types of plants tolerate levels
of metals in their tissues that are toxic to most ...at plants that create and accumulate high cellular levels
of the antioxidant glutathione are much more nickel tolerant," said David Salt, associate professor ...
Analysis of gene expression in lymphoid cells can determine lymphoma cancer
Analyzing the expression levels
of the gene CDK9 (cyclin dependent kinase) and its...netics of cancer and gene therapy. "The change of levels
of CDK9 and CYCLIN T1 in lymphoid cells shows a correlation with activity of the cancer. The higher ...
NHGRI launches Centers for Excellence in Ethical, Legal, and Social Implications Research
...ir principal investigators and their total funding levels
over five years are: Case Western Reserve University's Center for Genetic Research Ethics and LawEric Juengst, Ph.D., $5.3 million This center will study the ethical issues in the design and conduct of human genetic research, including issues re...
Virginia Tech researchers to release findings on Smith River Project
... including one endangered species; determining the levels
of aquatic invertebrate forage; and identifying the roles that the tributaries play in defining the main channel community. The Smith River Research Project principal investigators are Virginia Tech fisheries professors, Don Orth, Tammy Newcomb, ...
Green tea research leads to gum and other products
... in oral cancer cells. "Cells with abnormally high levels
of ROS become damaged," he said. "If the level is ...d. On the other hand, ROS is brought to background levels
by EGCG in normal skin and salivary gland cells, suggesting a protective role of EGCG in normal cell...
APS awards more than $140,000 to minority students of physiology
...sight on the mechanism of hypertension due to high levels
of salt. Jessica Clark University of Arizona The focus of Ms. Clark's research is epidermal growth factor (EGF) and its role in protecting the intestine against a disease that affects premature babies, called necrotizing enterocolitis (NEC). Her ...
Advances in tumor angiogenesis Dendritic cells co-opted to the dark side
...dothelial cells, but in the absence of high VEGF-A levels
or when VEGF-A is inhibited, the tendency of dendr...s only in the presence of high VEGF-A levels. "The levels
of VEGF-A generated in our animal model of ovarian cancer resemble those seen in human ovarian cance...
Better living through urban ecology
...ffluent areas. When forest cover declines, E. coli levels
rise in suburban streams. These are just a sampling of the findings revealed over the past 7 years by the Baltimore Ecosystem Study (BES), an interdisciplinary collaboration of over 30 researchers, educators and policy makers working to understand ho...
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