Tag: "sampling" at biology news

Swarming starlings help probe plasma, crowds and stock market

...tual information based technique to a Viscek model sampling the signal from a small number of points within the model and compared their technique to traditional statistical tools used to examine the behaviour of such dynamic systems. They found that in terms of error rate their mutual information based techn...

Uncovering the secrets of the deep

...the array of genomic information gathered from the sampling expeditions, enhanced by links to further analytical resources. Genomics holds the key to understanding the world around us and the metagenomic and environmental data represents a step forward in further charting genomic diversity. Rolf Apweiler fr...

Insects to solve crimes

... the Basque Country. To date, they have undertaken sampling in the Leioa campus and in Bilbao and they have found that there are differences between insects that live in urban areas and those in natural zones. For example, species found at the Leioa campus but not in Bilbao and viceversa. This could be a sign...

Health Physics Society

...GHTS OF THE SCIENTIFIC PROGRAM The following is a sampling of some of the many noteworthy talks and posters that health physicists will present at the meeting. I. MRI/MRS COMBO CAN IMPROVE EARLY DETECTION OF BREAST CANCER Combining magnetic resonance imaging (MRI) of the breast with magnetic resonance spec...

Global warming is evaporating Arctic ponds, new study shows

...ce 1983, Drs. Smol and Douglas have been regularly sampling the water quality and biota of about 40 ponds on C...suring changes in water quality over their 24-year sampling window, they have shown that the concentration of salts has been steadily increasing. Using the an...

More swimmers means more pathogens in the water

... Graczyk, health officials typically conduct water sampling when there is little human activity. For both studies, researchers sampled the water at the Hammerman area for 11 weeks during the summer of 2006. Samples were taken on Wednesdays, when beach activity was typically low, and on Saturdays, when activ...

What's the backscatter of your beer?

...atory eliminates the need for laborious and costly sampling of slurries in large containers. Fermentation-based industries, such as beer and pharmaceuticals, could benefit from the technologys non-invasive, continuous and objective listening technique in tracking microbial growth through the different process...

Antarctic icebergs -- Hotspots of ocean life

...hout warning the scientists began their shipboard sampling mere hundreds of feet from the icebergs and continued out to a distance of some five miles, where the icebergs influence was no longer detectable. Phytoplankton around the icebergs was enriched with large diatom cells, known for their role in prod...

Noninvasive screening in early pregnancy reduces Down's births by 50 percent

...re offered an invasive procedure (chorionic villus sampling or amniocentesis) to definitely confirm or exclude the diagnosis of Down syndrome by chromosome analysis. We found that making non-invasive screening available to all pregnant women meant that the numbers of invasive procedures decreased by 40% bet...

Gum disease in postmenopausal women linked to oral bone loss

... had several components, including microbiological sampling of subgingival plaque and oral X-rays. Investigators used a measure called alveolar crestal height to determine the amount of oral bone loss. Alveolar bone surrounds the teeth and holds them in place in the upper and lower jaw. The lower the cres...

Small, self-controlled planes combine plant pathology and engineering

... Autonomous UAVs have distinct advantages over a sampling aircraft operated via remote control, Schmale expl...First, the autonomous UAVs maintain a very precise sampling path. We can establish a GPS waypoint in the center of an agricultural field, and the autonomous pla...

MU researchers to study the status of black bears in Missouri

...llege of Arts and Science will use a non-invasive sampling technique called hair snares, barbed wires that remove a few of the bears hairs without harming the bears themselves. After collecting hair samples this summer, they will extract DNA from the hair follicles and use that DNA to estimate the number of ...

Study helps preserve Arctic whale, Eskimo subsistence hunt

...searchers typically calculate genetic variation by sampling geographically-separated populations of animals, which was not possible with the bowhead. Instead, the team developed a novel technique for studying migratory animals, which contrasts minute genetic differences via a series of complex calculations. T...

Los Alamos National Laboratory making progress in Groundwater Protection Program

...ng wells could alter the natural conditions around sampling points, and to support monitoring efforts in the future. LANL should conduct geochemical research on contaminant interactions, as well as other studies that would support plans for monitoring specific areas of the site, the report says. Peer review...

Candidate research sites selected for the National Ecological Observatory Network

...e NEON observing strategy is based on a systematic sampling across the largest scales of ecological variability in order to scale up analyses across the United States. Twenty core wildland sites form the stable, fixed elements of Observatory design. NEON partitions the United States (including Alaska, Hawaii,...

Study of underground lakes in Antarctica could be critical, prof says

...dom and others, have concluded that lake entry and sampling will ultimately be necessary to accomplish the ambitious research objectives, Kennicutt notes. How to do this in the best way to preserve these environments and to be least invasive is a key question that needs further discussion, he notes. The ...

Understanding why C. difficile causes disease -- it's hungry

...or more than half of all cases in a representative sampling in Quebec. The highly virulent strain has a much higher toxin production which leads to more destructive and deadly disease, says Vivian Loo of McGill University. Sonenshein is studying a five-gene region of the bacteriums chromosome known as th...

New system for soil analysis

... the soil profile was destroyed using conventional sampling procedures. This has changed thanks to the new soil retriever: the soil core is first loosened from the walls of the lysimeter and then cut into ring segments of the desired size that can be examined one by one in a structurally unaltered state. Ly...

Salmon tracking program expands to California

...oject for us, to get the kinks worked out, get the sampling procedures under our belts, and to hopefully secure federal funding for next year. We'd like to involve 100 to 150 boats next year. "The other objective is to spread the word among the fleet that this research is not something to be afraid of," Gol...

Study finds fecal microbes high in New Orleans sediments following Hurricanes Katrina and Rita

...led the team to mobilize quickly. The logistics of sampling were tremendous," she says. "Security was huge and the logistics of just getting around the city at that time were not trivial," she says. A collaborative grant from the National Science Foundation made it possible for the scientists to leverage t...

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(Date:7/25/2014)... a pleiotropic factor characterized by the existence of ... that confer to the protein deeply different characteristics. ... myelination occurring during development and the different phases ... degeneration, axon regrowth, remyelination and target reinnervation, Researchers ... that the soluble NRG1 upregulation observed in Schwann ...
(Date:7/25/2014)... The routine use of a molecular testing panel ... performing the correct initial surgery for patients with ... University of Pittsburgh Cancer Institute (UPCI), partner with ... Multidisciplinary Thyroid Center and other diagnostic testing agencies, ... initial surgery by 30 percent, according to the ...
(Date:7/24/2014)... New York, NY - July 24, 2014 -- Keryx ... results from the long-term, randomized, active control Phase 3 ... ferric iron-based phosphate binder, for the treatment of hyperphosphatemia ... The PERFECTED study (PhosphatE binding and iRon delivery with ... the Journal of the American Society of Nephrology ...
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