Tag: "separations" at biology news

New, Environmentally Friendly Technique For Separating Liquids Invented At UNC-CH

...Chapel Hill and colleagues. "Liquid-liquid separations are an important process in manymanufacturing industries -- pharmaceuticals, textiles, fine chemicals andnatural products such as taxol, an extract from the yew tree that helps fightcancer," said Dr. Joseph M. DeSimone, Mary Ann Smith professor of ch...

Study contradicts assumption that ulcer bug has always plagued humans

...tinctive," Berg says, "reflecting either historic separations of people in India from people in Spain and in eastern Asia or selection for different traits in different ancestral animal hosts."...

Science and Amersham Pharmacia Biotech grand prize: "jumping DNA" discovery explains immune system evolution

...milar proteins in vertebrates suggests that sister separations may be similarly regulated in humans, Ciosk concluded. Douglas M. Heithoff, USA (California): While pursuing his Ph.D. at the University of California-Santa Barbara, Heithoff identified a "master switch" that allows bacteria to orchestrate the infe...

Synthetic clay could assist radioactive waste cleanup

... said Thomas Chapman, manager of NSF's program for separations and purification processes, which funded the research. "With more development, the swelling micas should prove useful in both waste remediation and metals recovery." The swelling mica tested by Komarneni's team, known as Na4, is one of a grou...

A genetic basis for behavior in infancy

...th the stress elicited by two consecutive 3-minute separations from the caregiver. Three basic, coherently organized patterns of infant behavior after reunion with the parent (secure, insecure-avoidant, insecure-resistant) have been regarded as adaptations to the experienced differences in care giving. About 15%...

New method for 'visualizing' proteins

...distances between atoms in the molecule at greater separations than previously possible, is an important development, says Jack Freed, professor of chemistry and chemical biology at Cornell, who is director of the National Biomedical Center for Advanced ESR Technology (ACERT), established at Cornell last year by...

Ann Arbor chemist wins national award for extracting sulfur from fuel

...ion as a separation technique? "Over 90 percent of separations in the industry are done by distillation," or selectively boiling off compounds, said Yang. "That's very energy-intensive. Adsorption isn't. It can also help with boiling points that are too close." Thus the focus of Yang's research team is developin...

Pacific Northwest chemist wins national award for studies of biological systems

..., carbohydrates, hormones and other compounds. His separations are based on what is called capillary liquid chromatography, tiny tubes packed with chemically sensitive "beads" that tease apart mixtures according to size, electrical charge and other molecular properties. Once separated, Smith and his research tea...

LabNotes -- Research highlights from Pacific Northwest National Laboratory

...e yield of many industrial products, or serve as a separations platform to filter hazardous chemicals, like mercury, from the environment. Genetic sleight-of-wing Gnat-like flies called midges thrive in a healthy stream; in polluted water, their numbers diminish. Ecologists have come to rely on midge-species c...

Chemical engineers discover filtration system to help biotech industry

...ely close molecular weight. Until now, doing such separations with membrane filtration was impossible. This research was reported in the June 20, 2004 issue of Biotechnology and Bioengineering. "This is good news," said Kamalesh K. Sirkar, PhD, distinguished professor of chemical engineering and the projec...

Pacific Northwest team unveils largest virus proteome to date

...ailable elsewhere that combine the high resolution separations of proteins with their identification at the same time, using a powerful mass spectrometer developed at PNNL. ...

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