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Tag: "sampling" at biology news

Another Look Finds Promising Proteomics Test is Not Biologically Plausible

...for technical reasons, mass spectrometry cannot be sampling proteins, and thus may be simply representing experimental “noise.?Such results may come about from such procedural problems as incomplete randomization of samples, Baggerly says. The study raises a question that is broader than the effectiveness of...

New species from old data

...for technical reasons, mass spectrometry cannot be sampling proteins, and thus may be simply representing experimental “noise.?Such results may come about from such procedural problems as incomplete randomization of samples, Baggerly says. The study raises a question that is broader than the effectiveness of...

Cracking the olfactory code in bees

...for technical reasons, mass spectrometry cannot be sampling proteins, and thus may be simply representing experimental “noise.?Such results may come about from such procedural problems as incomplete randomization of samples, Baggerly says. The study raises a question that is broader than the effectiveness of...

Signaling protein builds bigger, better bones in mice

...for technical reasons, mass spectrometry cannot be sampling proteins, and thus may be simply representing experimental “noise.?Such results may come about from such procedural problems as incomplete randomization of samples, Baggerly says. The study raises a question that is broader than the effectiveness of...

Researchers reveal the infectious impact of salmon farms on wild salmon

...t there hasn't been this level of precision in the sampling and modeling," says coauthor Mark Lewis, a mathema...gration. The scientists developed new, non-lethal sampling techniques that allowed them to examine thousands of the fish for parasites, taking measurements eve...

Alaskan puzzles, monitoring provide insight about North Pacific salmon runs

...he Gordon and Betty Moore Foundation to expand its sampling scope and sophistication. The Alaska-based progra...d the scope of monitoring, fund new techniques for sampling and help make the UW database available through the Gordon and Betty Moore Foundation's Salmon River...

HIV-1 spread through six transmission lines in the UK

... the absence of older strains could also reflect a sampling bias in this study. ...

What's really making you sick? Plant pathologists offer the science behind Sick Building Syndrome

...uilding inspections, assessing mold in a building, sampling techniques, mold growth areas, common misconceptions, new building construction, industry standards, legal issues, and possible solutions as well as discuss proactive strategies to be taken during house construction in order to control mold, insect, ...

The biggest family tree ever

...ucson will do the genetic analysis. The public DNA sampling is part of a larger undertaking to unravel the origins and migratory history of mankind thousands of years back in time by analyzing genetic samples from at least 200,000 people all over the world. National Geographic and IBM are embarking on the Ge...

Innovative collaboration brings Arctic science into the classroom

...ssian scientists, participated in a two-week water sampling expedition on the Lena River in northeast Russia. ...work being done and she quickly mastered the basic sampling protocols. At the end of the trip, he explained to her how more frequent sampling would help scienti...

Making Sure Sacred Sheep Don't Become Extinct

...es from at least 50 different males to get a broad sampling of genetic diversity. If there were ever a need to totally regenerate the Navajo-Churro breed from the ARS collection, a backcrossing strategy could be used. In such a situation, Churro semen would be used to inseminate a ewe from a different sheep ...

A hope for oil spill bioremediation

...cal marine DIC and atmospheric dissolved CO2. The sampling area is an energetic system poor in organic mater. Consequently, the anomalous DIC isotopic composition of certain samples taken along the shore of a contaminated island in the Cíes archipelago showed degradation of a depleted 13C source such as the ...

Census of Marine Life explorers surprised by diversity, density of Arctic creatures

... around the clock to maximize expensive ship time, sampling at 14 locations in all; five involved depths 3,300...deep. In some cases it took up to three hours for sampling equipment to reach the seabed, 4,500 meters below the ocean surface. (Half of the Earth is under mor...

Space matters: Estimating species diversity in the fossil record

...ds for the rock record as well. Just as geographic sampling influences diversity counts in the modern landscap...n of species. Given the lack of uniform geographic sampling in paleontological data, the impact of this effect may be significant - and likely applies to other ...

Penguin chicks exposed to human visitors experience spike in stress hormone

...rve at Punta Tombo, Argentina, with three separate sampling periods in November and December 2001 and January 2002. Chicks aged 6 to 7 days were captured and blood was drawn to measure the level of a hormone called corticosterone. The first sample was obtained within three minutes of capture to establish a ba...

DNA from feathers tells tale of eagle fidelity

...lations of rare or endangered species. Noninvasive sampling allows biologists to track changes in populations over time without the risks associated with handling live animals, she said. "Eastern imperial eagles are hard to catch, and individuals are difficult to tell apart," Rudnick said. "By performing gen...

Elusive salamanders have role in developing new sampling models

... us, our task is to develop a method to make field sampling techniques more accurate and efficient. With that ...first salamander, which she trapped. In subsequent sampling she has extended the date of recorded residence by larval flatwoods salamanders in Fort Stewart pond...

Biologist Discovers What May Be World’s ‘Pickiest?Mates

... far as I know, no other species has been observed sampling nearly as many candidates as the California fiddler crab,?said Catherine deRivera, who conducted the study while a doctoral student and a lecturer at UCSD. She is now a research biologist at the Aquatic Bioinvasions Research and Policy Institute, a j...

NRL scientists detect 'milky sea' phenomena

...ith the current state of satellite technology, and sampling limitations, remote sensing researchers have generally thought that the detection of bioluminescence emission from space was unlikely if not impossible. Demonstration of their detection by low-light detectors on current and future satellite systems ...

Sahara's edge studied from ground, air and space to improve water management

...cisely documented ground vegetation and terrain at sampling sites within these test areas, with samples taken to local laboratories for detailed analysis. And ESA's Envisat, ERS-2 and Proba satellites acquired images of these sites around the same time. The aim was to scale up the findings from the ground, an...

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