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Tag: "shelf" at biology news

DNA Molecules Used To Assemble Nanoparticles

...ions with the DNA strands. "So it's like having a shelf full of Tinker Toys," Baker said. An array of single-functional dendrimers, such as targets, drugs, and contrast agents, and the ability to link them together quickly and easily in many different ways would enable a clinic to offer 25 different "fla...

Antarctic ice shelf retreats happened before

...he first to show that this currently 'healthy' ice shelf experienced an extensive retreat about 9500 years ...at a preceding warm period may have primed the ice shelf to disintegrate when the ocean currents shifted.' The scientists analysed sediments from the bottom...

Ice core 'dipstick' indicates West Antarctic ice has thinned less than believed

...wing, whether they carried interior ice to the ice shelf at the end of the last ice age, and whether they b... West Antarctic ice streams retreated when the ice shelf did. In the last ice age, the ice streams near Siple Dome had to be roughly where they are now to ke...

Buying Time Through Hibernation on Demand

...mething manufactured that we're taking down from a shelf ?it isn't 'better living through chemistry' ?it's simply an agent that all of us make in our bodies all the time to buffer our metabolic flexibility. It's what allows our core temperature to stay at 98.6 degrees, regardless of whether we're in Alaska...

U-M team recovers ancient whale in Egyptian desert

...mething manufactured that we're taking down from a shelf ?it isn't 'better living through chemistry' ?it's simply an agent that all of us make in our bodies all the time to buffer our metabolic flexibility. It's what allows our core temperature to stay at 98.6 degrees, regardless of whether we're in Alaska...

Habitat use by North Pacific right whales, Eubalaena japonica, in the Bering Sea and Gulf of Alaska

...ry to the present, it appears that the SEBS middle shelf was and continues to be important habitat for this...us absence of right whale sightings from the outer shelf and slope habitat in recent years, this may be due, at least in part, to a lack of survey effort the...

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

...her oceans in turn. For example, the Larsen B ice shelf on the Antarctic Peninsula collapsed in early 2002. Roughly 500 billion tonnes of ice sheet (3,250 square kilometers, about the size of Rhode Island) disintegrated in less than a month, what scientists have called "staggering" speed. The work builds...

Researchers use 3-D imaging system to unveil swimming behavior of microscopic plankton

... many oceanic regions, including mid-ocean fronts, shelf breaks, submarine canyons and submerged banks. "That small zooplankton are capable of remaining at a constant depth with a precision of centimeters, sometimes in the face of strong vertical currents, is incredible," said Genin. "It implies that thes...

Anthrax test, developed by army and CDC, receives FDA approval

... to be highly stable, as reflected in the extended shelf life of the B. anthracis-specific virus. USAMRIID then provided sufficient gamma phage material to CDC for distribution within the LRN, so that each laboratory will have the same material to be used in the test. In addition, USAMRIID developed Standa...

'Mad cow' proteins successfully detected in blood

... to be highly stable, as reflected in the extended shelf life of the B. anthracis-specific virus. USAMRIID then provided sufficient gamma phage material to CDC for distribution within the LRN, so that each laboratory will have the same material to be used in the test. In addition, USAMRIID developed Standa...

Gap-climbing fruit flies reveal components of goal-driven behaviors

...ample, when a person is trying to reach a jar on a shelf high above her head, she will reach out with her arm and hand, will straighten her back, and tiptoe. Studying the underlying control principles and neuronal circuits in invertebrates rather than in mice or cats involves fewer ethical problems and is...

Discovering an ecosystem beneath a collapsed Antarctic ice shelf

...hwestern Weddell Sea following the sudden Larsen B shelf collapse in 2002. "This is definitely the biggest...gate the unusual seafloor ecology below the Larsen shelf because of the likelihood of increased sediment deposition. In addition, he suggests that the newfo...

Researchers find how some antibiotics kill bacteria

...e also relatively inexpensive to make, have a long shelf life and are nearly non-toxic to cells other than the pathogenic ones they target. The problem with them, though, is the rampant development of bacterial resistance. "There is a voluntary restriction on the use of rifamycins in treating infections ...

Research team receives $7.5 million to study cassava

...erts to increase the root's nutritional value, its shelf life once harvested (cassava roots deteriorate in about two days unless they are properly processed after harvesting) and its resistance to geminivirus, a particularly devastating plant virus that can destroy up to 60 percent of a cassava crop. A ca...

New antifreeze protein found in fleas may allow longer storage of transplant organs

...by Queen's University researchers may lengthen the shelf life of human organs for transplantation. Drs. Laurie Graham and Peter Davies, from the Department of Biochemistry, found that the potent protein produced by the fleas to protect themselves against freezing is capable of inhibiting ice growth by abo...

Seafloor creatures destroyed by ice action during ice ages

...nce of ice sheets across the Antarctic continental shelf or starved to death as links in the food chain wer...r these animals may have recolonised the Antarctic shelf from the deep-sea during the warm period following each ice age. 'Either way it is an impressive fe...

Gene therapy may protect normal tissues during radiation retreatment for lung cancer

...nce of ice sheets across the Antarctic continental shelf or starved to death as links in the food chain wer...r these animals may have recolonised the Antarctic shelf from the deep-sea during the warm period following each ice age. 'Either way it is an impressive fe...

Phenolic compounds may explain Mediterranean diet benefits

...results might not be true for all olive oil on the shelf at the grocery store," he said. Juan J. Badimon, Ph.D., F.A.C.C., from the Mount Sinai School of Medicine in New York, New York, who also was not connected with this study, said it was well-designed and will help address controversy about whether ol...

Microbes convert 'Styrofoam? into biodegradable plastic

...hot liquids, greases and oils, and can have a long shelf life. But unlike polystyrene, it readily breaks down in soil, water, septic systems and backyard composts. Worldwide, more than 14 million metric tons of polystyrene are produced annually, according to the U.S. Environmental Protection Agency. Most ...

High-tech tags on marine animals yield valuable data for biologists and oceanographers

...n Antarctic krill and forage along the continental shelf of Antarctica at the edge of the ice pack. Southern elephant seals, in contrast, forage widely in the offshore waters. The SEaOS project led by SMRU's Fedak is deploying electronic tags on elephant seals at three locations in the Southern Ocean. Th...

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