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Tag: "yields" at biology news

Clam embryo study shows pollutant mixture adversely affects nerve cell development

...the embryo," says Reinisch. The sequence of images yields athree-dimensional representation of the embryos' developing neurons.Reinisch and company examined periodically recorded images to see whateffect, if any, the chemicals had. They also measured the levels ofproteins in the normal and treated embryos t...

Study identifies predictors of HIV drug resistance in patients beginning triple therapy

...the embryo," says Reinisch. The sequence of images yields athree-dimensional representation of the embryos' developing neurons.Reinisch and company examined periodically recorded images to see whateffect, if any, the chemicals had. They also measured the levels ofproteins in the normal and treated embryos t...

Spider Venom Could Yield Eco-Friendly Insecticides

...years in captivity, a small group of these spiders yields plenty of toxins for King's chemical analysis. Funnel-web spider venom is a complex brew of more than 100 chemical compounds, most of which are toxic to insects, but not vertebrates. King is studying the molecular structures of the toxins that selec...

Genetically modified rice in China benefits farmers' health, study finds

... benefit from adopting GM rice by both higher crop yields and reduced use of pesticides, which also contribu...y farmers using conventional rice varieties. Rice yields The survey data also showed that there was a difference in yields between the genetically modified ...

New winter hulless barley has high protein

...inputs. For example, producers would obtain higher yields of a safer and higher quality grain that is resistant to Fusarium head blight, commonly referred to as scab. Scab problems have occurred on an annual basis during the past decade, and severe epidemics nearly devastated the crop in Virginia during 199...

Gene therapy promising for growing tooth-supporting bone

...l, or using donated bone from a tissue bank, which yields unpredictable results. William Giannobile, professor of periodontics, prevention and geriatrics, led a team at the U-M School of Dentistry that delivered the gene encoding for bone morphogenetic protein-7 (BMP-7) to large bone defects in rats in an ...

Microbial fuel cell: High yield hydrogen source and wastewater cleaner

...s. We can theoretically use our MFC to obtain high yields of hydrogen from any biodegradable, dissolved, organic matter -- human, agricultural or industrial wastewater, for example -- and simultaneously clean the wastewater. "While there is likely insufficient waste biomass to sustain a global hydrogen eco...

Love's all in the brain: fMRI study shows strong, lateralized reward, not sex, drive

... brain systems." fMRI confirms major predictions, yields "remarkable implications"; autism link Aron reported that, using functional magnetic resonance imaging (fMRI) and other measurements, he and his colleagues found support for their two major predictions: (1) early stage, intense romantic love is asso...

Infants With Rare Genetic Disease Saved by Cord Blood Stem Cells

...id Kurtzberg. In fact, transplantation in newborns yields the best long-term outcomes and newborns tolerate the transplants more easily than older babies and children. "Time is of the essence in treating these children before symptoms progress and become irreversible," said Kurtzberg, director of Duke's Pe...

Leprosy microbes lead scientists to immune discovery

...ucceeds in limiting the damage, but in other cases yields to a dangerous, spreading infection. Led by Stephan R. Krutzik of UCLA, a team of scientists that includes Barry R. Bloom, Dean of the Harvard School of Public Health, reported the work on May 8 in an advance online publication of Nature Medicine. ...

Are rice and wheat behind China's population boom?

...ed knowledge about growing rice - how to intensify yields through the introduction of nutrients in the water and knowledge of water management practices. "By successfully manipulating rice production to the extent that these ancient people did, in combination with millet and wheat, helps explain the foundat...

Infants with Rare Genetic Disease Saved By Cord Blood Stem Cells

...id Kurtzberg. In fact, transplantation in newborns yields the best long-term outcomes and newborns tolerate the transplants more easily than older babies and children. "Time is of the essence in treating these children before symptoms progress and become irreversible," said Kurtzberg, director of Duke's Pe...

Human Eggs Can Develop From Ovarian Surface Cells In Vitro

...an be accomplished by a laparoscopy technique, and yields more cells for use for in vitro fertilization. The ability to develop human eggs from OSE cells may help women with reduced fertility and premature menopause, who lack follicles in their ovaries, to have a better chance of conceiving through in vitro...

Bacteria are key to 'green' plastics, drugs

... continue to refine the organism to produce higher yields and fewer byproducts. ...

Hybrid grass may prove to be valuable fuel source

...hat Miscanthus grown in the state has greater crop yields than in Europe, where it has been used commerciall...-30 tons per acre dry weight each year. Miscanthus yields in lowland areas around the Alps, where the climate is similar to the Midwest, are at least 25 tons ...

Duke Experiments Boost Radiation's Cancer-Killing Effects

...at the wrong time therapeutically in a cancer cell yields no benefit and can actually impede other cancer treatments," said Dewhirst. "But when we block HIF-1 at the appropriate time, it substantially increases a tumor's response to radiation therapy." Specifically, they found that blocking HIF-1 immediate...

Brain size may depend upon how neural cells are cleaved

...ble of further division, while horizontal cleavage yields one neuron and one progenitor cell that can continue to support brain growth. The researchers speculate that this type of regulatory decision point may play a powerful role in determining the ultimate size of the mammalian brain. Inherited disorders...

IBM Transforms the Art of Scientific Expeditions

...at the wrong time therapeutically in a cancer cell yields no benefit and can actually impede other cancer treatments," said Dewhirst. "But when we block HIF-1 at the appropriate time, it substantially increases a tumor's response to radiation therapy." Specifically, they found that blocking HIF-1 immediate...

MERIS monitoring tracks planetary photosynthesis levels

...C is responsible for the processing algorithm that yields the MGVI product. "It is a complex task to extract the required information from the reflected light MERIS measures," explains Nadine Gobron of EC-JRC. "It requires the development of mathematical tools to minimise the effects due to scattering fro...

Organic farms produce same yields as conventional farms

Organic farming produces the same yields of corn and soybeans as does conventional farming,...First and foremost, we found that corn and soybean yields were the same across the three systems," said Pimentel, who noted that although organic corn yields ...

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