Tag: "separation" at biology news

Ann Arbor chemist wins national award for extracting sulfur from fuel

...defiance of gravity. But why study adsorption 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...

UI study discovers cells segregate molecules to control signaling

...eptors, and this might stimulate cell growth." The separation mechanism may also be important in controlling developmental processes because immature cells do not possess the barriers found in mature cells....

Rockefeller scientists identify 'natural' proteins that push stem cells to produce hair, not skin

...r. In addition, the same process that leads to the separation of a stem cell from other cells may shed insight into how a cancer cell metastasizes, or spreads, from its host tumor, Fuchs explains. The research may also prove relevant to a much less serious but more common condition, baldness. "Skin turns over ...

Heinz Maier-Leibnitz Awards 2003

...l system. This calls into question the traditional separation of memory and motor activity. Dirk Kerzel studied psychology and linguistics at Bielefeld University and received his doctorate at Munich University, where he also acquired his "Habilitation". After working for the Max Planck Institute for Psychologi...

Membrane separation technology produces myriad applications in numerous industries

...azeotropes, despite competing technologies such as separation by distillation and extraction. "Medical applicati...technologies that remove sulfur from gasoline. Gas separation applications and the natural gas, oil, and petrochemical industries are other important markets for ...

Scientists observe nanosize microtubules 'treadmilling' across plant cells

...s that transport vital cellular cargo or guide the separation of chromosomes during cell division. In animal cel...ubule arrays, such as those involved in chromosome separation during cell division. "The drugs that are responsible for slowing cancers, such as taxol, are actual...

Seal pups recognize mother's voices within days of birth

...d. "With fur pups, that recognition is vital since separation occurs immediately and frequently."...

Woods Hole Oceanographic Institution scientists respond to Buzzards Bay oil spill

...ure of chemicals in oil, and a novel more powerful separation and identification technique called comprehensive two-dimensional gas chromatography, available at only a few laboratories in the country. Reddy and Nelson found that many of the compounds in the oil are the same as those found in the 1969 West Falmo...

Instruction and permission in eye/brain development

...oping retina, the researchers found that thenormal separation of left and right eye connections did not occur. The results show that neuronal activity in the eye permits theeye-specific connections to the LGN to develop. "Contrary to what everyone expected, the pattern of activity in thedeveloping retina is no...

Natural resources research helps HIV/AIDS victims

...long with the traditional mindset of institutional separation between health and natural resource sectors. Despite working towards the same goals, the health and natural resource sectors often remain separated." "This is unfortunate for people whose lives are inseparable from the environment around them," lame...

Unemployment, access to guns among factors that turn domestic violence deadly

...ation. The combination of controlling behavior and separation made femicide five times more likely. "Such information can be useful in preventing these killings," says Campbell, principal investigator of the study. "In the United States, women are killed by intimate partners more often than by any other type o...

Three Pacific Northwest National Laboratory inventions win R&D 100 Awards

...ss is an automated, ultra-high resolution combined separation and mass spectrometer-based system that measures the large and complex proteins in any organism at any time. (FT-MS stands for Fourier-transform ion cyclotron resonance mass spectrometer.) PNNL researcher and Battelle Fellow Richard D. Smith was the ...

Purdue instrument to fashion custom-made proteomics chips

...ganism. In contrast to other, more labor-intensive separation methods, the Purdue team's technique allows protei...e proteomics research." The research involving the separation technique appears in this week's (8/13) online edition of Science . Proteins are well known as the ...

Chemists at four pharmaceutical companies named Heroes for treating childhood conditions

...ldwide recognition as the principal surgeon in the separation of the conjoined Binder twins in Germany and, most recently, for his role in the separation of the Bijani twins from Iran. The Heroes program, started in 1996 by the ACS, honors industrial che...

Fruit odors lure some flies to evolve into new species

... Galapagos. Recently it has been proposed that the separation need not be geographic or even physical. A shift in the use of a new host plant for mating and the laying of eggs could be enough to keep insects that occupy the same area at the same time from mating. This process is termed "sympatric speciation," a...

PNNL wins record $10.2 million NIH grant for proteomics center

...mated ultra-high resolution mass spectrometers and separation systems for rapid and extremely sensitive characterization of the large, complex and continuously changing protein groups that make an organism and dictate its response and adaptation to its environment. PNNL advances have allowed the study of ever ...

DNA production patent awarded to two UH-related engineers

...en awarded a U.S. patent for a new process for the separation and assay of biochemical cultures by compaction agents. The patent is expected to have a substantial impact on the production of DNA and other nucleic acids, a multi-million dollar enterprise. U.S. Patent 6,605,470 was granted to Richard C. Willso...

Cervantes mission concludes with Soyuz TMA-2 landing

... the re-entry went according to plan. After module separation of Soyuz TMA-2, the crew entered the Earth's atmosphere in the command module at 03:16 (CET), the main parachute opened at 03:25 (CET) and the landing took place 15 minutes later. During his 8-day stay on the ISS, Pedro Duque carried out an extensiv...

Social mothers appear to be better mothers

...disruption of social ties due to death, divorce or separation is a major source of stress," the study notes. Although infant survival rates in humans have yet to be linked directly with social factors, research has shown that low-income women with extensive social networks give birth to heavier infants -- a key...

UC Riverside researchers publish paper on botulism detection system

... fish would cut through a fishing line. The bead's separation causes the cantilever to vibrate, announcing the neurotoxin's presence. While effective, the process is not yet ready for practical application. "Right now the issue is that it's linked to an atomic-force microscope, an expensive piece of equipment,...

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