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Tag: "dried" at biology news

Spreading viruses as we breathe

...he research would investigate the global effect of dried droplets in health care facilities to see how viruses were spread around the world. ...

Scientists map air pollution using corn grown in US fields

...ent states. Back in the laboratory, the scientists dried samples of corn leaves and husks, then converted them to graphite using a series of chemical reactions. The graphite then was analyzed in the W.M. Keck Carbon Cycle Accelerator Mass Spectrometer, which measures a rare isotope of carbon, called radioc...

Manual dishwashing study digs up dirt on dish cleanliness

...eese and milk—can be safe havens for bacteria when dried onto dishware. Lipstick, however, proved to be dan...g periods of time if they make their way into food dried onto dishes. If those dishes aren't thoroughly washed, they can sometimes cause food-borne disease o...

Tamed 11,400 years ago, figs were likely first domesticated crop

... not distorted, suggesting that they may have been dried for human consumption. Similar fig drupelets were found at a second site located some 1.5 kilometers west of Gilgal. The scientists compared the ancient figs to modern wild and domesticated variants and determined that they were a mutant selectively...

Ring-like formations in drying DNA drops could affect hybridization studies

...ossible to miss all the DNA in the ring stain of a dried droplet, resulting in false negatives," Wong said. "We need to think of strategies to minimize this effect." The co-authors of the paper are postdoctoral research associate Ivan Smalyukh, graduate students Olena Zribi and John Butler, and professor ...

Sandia work launched on space shuttle shows live cells influence growth of nanostructures

...f silica and phospholipids, and the slurry is then dried on a surface. (Phospholipids are two-sided molecules that make up cell membranes.) Ordinarily, the drying of lipid-silica solutions produces an ordered porous nanostructure by a process known as molecular self-assembly. This can be visualized as a ...

Microbes hitchhike across Atlantic on desert dust

...s an estimated 2.2 billion metric tons of soil and dried sediment through the Earth's atmosphere each year. The largest of these events is capable of dispersing large quantities of dust across oceans and continents. Since a gram of desert soil may contain as many as 1 billion bacterial cells, the presenc...

Research: Snails were overlooked contributors to marsh destruction

...ects of a severe drought as the cause. The drought dried up soils, raised their acidity and boosted estuarine water and soil salinity levels -- all of which were blamed for stressing cordgrass and other marsh grasses beyond their limits. Silliman and four other authors of the Science paper don't dispute t...

Effective, safe anthrax vaccine can be grown in tobacco plants

...ple to take anthrax vaccines orally in capsules of dried plant cells that contain correct doses of the protective antigen. If that research is successful, the needs for requiring doctors to administer the shots and for shipping vaccines in refrigerated trucks, both of which can be especially difficult in ...

Wild Gorillas Handy with a Stick

...mp “come ambling round a bend bearing an armful of dried palm nuts,?sit down beside a rock, select a nut, place it on a flat rock surface, and pound it with another rock to extract the meat. Thirty years passed before primatologists would describe the same behavior in chimps in Guinea. By then it was clear...

Storing carbon to combat global warming may cause other environmental problems, study suggests

...s the trees aged. Moreover, "13 percent of streams dried up completely for at least one year," the study said. Overall, about 20 percent more of the water provided by precipitation was removed by current tree farming, the study estimated. And additional planting of trees for carbon mitigation will likely ...

Elusive salamanders have role in developing new sampling models

...nexpected because of a 100-year drought event that dried ponds and halted reproduction from 1999 through 2002. Since the first salamander was found six weeks ago, 36 more have been found in one pond, but none in 11 others that have supported them in the past. In the United States, flatwoods salamanders ar...

Disappearing arctic lakes linked to climate change

...rmafrost regions. Many lakes decreased in size or dried up completely, while other lakes actually increased in size. Researchers say as the climate warms, additional meltwater accumulated in the lakes located in the colder regions of thicker permafrost increase their size; however, if climate warming cont...

Visceral Leishmaniasis: Successful Vaccine Trial In Dogs

... several dog vaccines, mostly developed from whole dried parasites, have proved not to be really effective. A team from the IRD Montpellier research centre, working with the Rocher veterinary clinic (La Garde, Var, France) and the biopharmaceutical firm Bio Véto Test (La Seyne-Sur-Mer, Var), have recently ...

Leptin-signaling Protein Maintains Normal Body Weight And Energy Balance In Mice

...n rural areas means most fish is still marketed as dried and/or smoked products. Investments to support small-scale businesses, most of them headed by women entrepreneurs, in processing and marketing could improve food and nutritional security for both producers (more income) and consumers (better quality ...

Crisis in African fish supplies looms, experts warn Africa leaders

...n rural areas means most fish is still marketed as dried and/or smoked products. Investments to support small-scale businesses, most of them headed by women entrepreneurs, in processing and marketing could improve food and nutritional security for both producers (more income) and consumers (better quality ...

Thai spice helps cut blood sugar swings

...and flavoring agent. In Indian folk medicine as a dried powder or tea it's indicated as a laxative and for rheumatism. As Malabar tamarind, it can substitute for lime, and in Ceylon it's used along with salt to cure fish. For HCA, though, the other half of the taste-benefit formula is much less clear. An...

Stealth Worms May Improve Insect Pest Control

..., they can be suspended in a gelatinous matrix, or dried in powder, then mixed in water and sprayed, broadcast or irrigated onto crops. Large numbers of infectious juveniles are released to inundate and kill the pest insects quickly. Depending on climate conditions, this method works best on greenhouse or...

Africa to take it on chin again with climate change

...Indian Ocean warming, southern Africa consistently dried out. The models also project that by 2049, monsoons across southern Africa could be 10% to 20% drier than the 1950-99 average. A different process appears to shape rainfall in the Sahel. When sea-surface temperatures are warmer in the South Atlantic...

Transgenic plants remove more selenium from polluted soil than wild plants, new tests show

... researchers say that the plants can be harvested, dried and carefully added to animal feed or used as a soil amendment in areas where selenium is in short supply. "There are many areas where selenium is deficient, so farmers actually pay for animal feed that is supplemented with selenium," said Terry. "F...

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