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Tag: "sorts" at biology news

Probing The Promise And Perils Of Nanoparticles

...mage can be prevented. "If you're inventing these sorts of materials, you need to be concerned about their impact," said Mark Banaszak Holl, a U-M professor of chemistry and of macromolecular science and engineering. "We're trying to do both: make important new materials and be excited about what can be d...

Probing the promise and perils of nanoparticles

...mage can be prevented. "If you're inventing these sorts of materials, you need to be concerned about their impact," said Mark Banaszak Holl, a U-M professor of chemistry and of macromolecular science and engineering. "We're trying to do both: make important new materials and be excited about what can be d...

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

...angled metal grids and net meshes that catches and sorts mature shrimp and finfish while allowing juvenile shrimp and fish to swim away unharmed. Sorting mature shrimp and finfish between the lower and upper parts of the net helps to reduce the time the trawler crew spends sorting on deck. This enhances pr...

Super predators and mass extinctions

...tinctions. Previous models that do not show these sorts of cycles could be faulty, according to Lipowski, because they failed to account for the effects of limited living spaces shared by a large number of different species. A. Lipowski Phys. Rev. E 71, 052902 (2005), 20 May 2005 http://link.aps.org/abst...

Whole genome promoter mapping - Human Genome Project v2.0?

... promoters means that we can begin to answer these sorts of questions." ...

Tamoxifen-like drug suggests new ways to selectively block estrogen

..."we could move beyond 'designer estrogens,' to all sorts of small molecules that mimic the actions of various hormones," Greene said. "We could create designer androgens for prostate cancer, or designer glucocorticoids to treat inflammation." Since "the primary regulator of cofactor recruitment is recepto...

Immune system's distress signal tells bacteria when to strike back

...udomonas aeruginosa is ubiquitous. It lives in all sorts of moist places, including damp soil and on the su...ect something very similar, however, occurs in all sorts of infections." Inflammatory bowel disease patients, for example, have elevated cytokines ?the chem...

Human embryonic stem cells have the potential to develop into eggs and sperm in the laboratory

...ality. "Embryoid bodies can differentiate into all sorts of tissue types, so we need to choose the cells that are going to develop into PGCs and then work out how we can encourage them to grow into gametes. "Producing functional gametes is much more difficult, because we have to recreate for the cultured ...

Drawing with DNA: 'Bioart' illuminates genomics

...on reduces the complexity of sequence codes to the sorts of shapes or patterns that a human being can make sense of," West said. "It is an artistic approach to extracting what's important. And it is also an exploration of what art might have to offer for discovery in the sciences." "Ecce Homology" premier...

Mosquito study shows new, faster way West Nile can spread

.... "Instead of only birds infecting mosquitoes, all sorts of animals may be involved, and transmission could be happening much faster because you don't have to wait for a high viremia." ...

UCLA scientists reveal how Nipah virus infects cells

... the cell. The scientists used an instrument that sorts molecules by weight to identify Ephrin-B2 as the receptor that bound to the bait. To confirm their findings, the UCLA team engineered a harmless virus with Nipah virus proteins embedded in its coat. The decoy virus successfully infected cells vulner...

Marine mammals are on the frontline of failing ocean health

... flame retardants, stain repellents ?there are all sorts of sources," says Todd O'Hara of the University of Alaska Fairbanks. In laboratory studies and acute exposure scenarios, persistent organic pollutants have been shown to affect brain function, reproductive success, and the immune system, but there i...

Powerful technique for multiplying adult stem cells may aid therapies

... findings aid basic research. "We want to know all sorts of things, like what genes are active in this stem cell, or how this stem cell decides to develop into one kind of cell as opposed to another," says Lodish. Lodish and his colleagues are collaborating with researchers at Lund University in Sweden ...

How the octopus forms an elbow

...etal joints. This puts an artificial constraint of sorts on the arm's movement and simplifies the otherwise complex control of movement that would be needed for the arm to fetch food from a distant point to the octopus's mouth. In the new work, the researchers sought to identify how the octopus manages to...

'Dead zone' summer killed billions of ocean state mussels

... dead zones from forming," Altieri said. "So these sorts of extinctions may trigger a downward spiral, with coastal zones less able to handle environmental degradation." According to a 2004 United Nations Environment Program report, the number of areas hit by hypoxia worldwide has doubled since 1990. "Dea...

ASU researchers find link between social behavior, maternal traits in bees

.... To test this hypothesis, Amdam set up a race of sorts to determine which strain of worker bees became reproductively active the fastest. She separated the high and low pollen-hoarding strains into "teams," with the high pollen-hoarding strain representing the ancestral maternal reproductive state, and t...

Parasitic worms used to fight bowel disease

...mune systems require exposure to infections of all sorts early in life in order to develop sufficiently. Intriguingly, inflammatory bowel disease, which has two forms ?Crohn's disease and ulcerative colitis ?is virtually unknown in the developing world, while it is increasing dramatically in developed so...

Human behavior changes the number of strains of infectious diseases

...wider relevance. "There are implications for all sorts of other infections too," Eames continues. "Just think of the behavioral differences between village and city life: one with quiet streets and few new faces, and the other with thousands of hurrying people and crowded public transport. That's two ver...

Parkinson's disease mechanism discovered

...ratus is the cell's "post office," which modifies, sorts and adds the molecular addresses that designate the specific destinations in the cell where proteins are needed. Lindquist and her colleagues had conducted a genetic screen in yeast to discover genes whose activity affected the toxicity of alpha-syn...

Origen publishes in Nature a robust and versatile method for creating transgenic chickens

...lopment --something that holds great value for all sorts of basic studies. This is exactly the kind of result we hope for through our Small Business Innovation Research Program." ...

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