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Tag: "indication" at biology news

Chemicals in tattoo inks need closer scrutiny

... Wagner says. The researchers also have found some indication of the presence of metals, and are in the process of running more tests to verify the identity of the metals. A number of potential health problems might be stemming from the lack of oversight, according to the researchers. There have been a variety...

Alzheimer's cognitive decline slowed

...ated an increase in the brain's use of glucose, an indication of increased brain activity, while mental-status tests showed a slowing of the patients' rate of cognitive decline was reduced by 36 to 51 percent. In addition, researchers examined the brain tissue of a study participant who had died and found robus...

Light therapy may combat fungal infections, new evidence suggests

...ng in another distantly related fungal lineage, an indication that the fungal light sensor arose early in evolution and may be shared by many extant fungal species. Other well-studied fungi, such as Saccharomyces cerevisiae, or baker's yeast, have apparently lost their ability to sense light, Heitman said, and ...

Multi-purpose protein regulates new protein synthesis and immune cell development

...sm at each stage," Zhang says. "This is the first indication that a sensor for protein folding in the endoplasmic reticulum can also signal the nucleus to regulate gene rearrangements required for B cell differentiation," Kaufman says. "It's a completely unexpected observation. Learning more about the IRE1 sig...

Scientists find fossil proof of Egypt's ancient climate

... silt thickness at the lake exceeds five yards, an indication that the humid phase lasted at least several thousand years. Normal rainfall in the area they study is a minuscule 0.7 of a millimeter per year, but there is evidence that the rainfall amounts in the region have gotten up to as much as 600 millimeter...

Scientists develop new color-coded test for protein folding

... blue solution turned reddish once again--a strong indication that some cytochrome c molecules had refolded into their original three-dimensional shape. In fact, the experiment showed that, when attached to gold film, cytochrome c can fold, unfold and refold countless times depending on the acidity of the solut...

Novel Therapy Tested in Mice Could Chase Away Cat Allergies

...ic reaction involving the human cell receptors, an indication that it might also work in people. Scientists made another set of mice allergic to cats by injecting them with cat protein and an immune system booster. These mice became “actively allergic?to cats: their reactions to cat allergen would be comparabl...

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