Tag: "units" at biology news

Antioxidant vitamins may help transplant patients

...1000 milligrams of vitamin C and 800 international units of vitamin E each day. The others received a placebo. After one year, the study showed that coronary arteries had significantly thickened and narrowed in the group that received a placebo, but were largely unchanged in those who received the anti...

How aging cells retire

...al cells lose their telomeric DNA at a rate of 100 units per cell division, cells overproducing TRF2 exhibited a rate of up to 180 units per cell division. But these same cells entered senescence when their telomeres were shorter than n...

Current growing nursing shortage to be studied at 160 US acute care hospitals

...t of attention in the past few years about nursing units being short-staffed and about how staffing affects the quality of patient care. Some people believe that there arent enough nurses in acute care hospitals to take adequate care of patients. It doesnt look like the situation is going to improve any ti...

Portable unit created to treat wastewater in remote locations

...nvironmental Engineering Laboratory has tested the units ability to remove sludge from water. Once the new ... John Hill. Historically, biological treatment units and settling basins have needed long detention times to treat wastewater. This method is not feasib...

UC Berkeley researchers are developing a microsized microscope that can peek inside living cells

...ancer drugs are delivered, or where anti-terrorism units can identify single molecules of a biowarfare agent on site with a portable detector. With a significant development in miniaturized microscopes at the University of California, Berkeley, scientists are inching closer to such possibilities. Luke P. ...

New technology may benefit health care, bioterror defense

...nd the rungs of the ladder are made up of chemical units called bases. Clusters of bases make up our genes, which determine inherited physical traits and many of our behaviors. Sequencing all this genetic information the genome requires identifying and determining the order of the billions of bases that ...

Optical tweezers show how DNA uncoils

...three-stage model for the way in which nucleosomal units in chromatin open to reveal their DNA to enzymes l...ows the beads to be the fundamental organizational units of the genome, occurring, on average, every 200 base pairs along the DNA strands, with 147 base pair...

Dartmouth researchers expose weakness of common parasite

.... Pyrimidines comprise two of the four DNA and RNA units (nucleobases). "If we destroyed the ability of the parasite to make its pyrimidines de novo, we had no idea whether we could add pyrimidines to the parasite growth medium and actually grow the type of parasite mutant we were seeking. We simply had to...

Fundamental structural differences discovered in brains of autistic individuals

... researchers found throughout those brains smaller units of circuitry and many more of them. Everyone has millions of minicolumns yet their presence cannot be detected grossly with even the most sophisticated brain-imaging equipment. A microscope is needed to detect the structures that are about forty-mil...

February media highlights - GSA Bulletin

... the Penninic nappes, which are sandwiched between units of the overlying Austroalpine and the underlying European domains. One major question is to know how many oceans were closed during the building of the Alps. From the metamorphic evolution of the metasediments that experienced high-pressure metamorph...

'Flap' on protein suggests new therapies for autoimmune diseases

...amily. While other TNF family members cluster into units of three molecules, Tall-1 clusters into a much larger, 60-molecule ball, which appears crucial to the proteins biological activity. Dr. Zhangs analysis indicated that the flap is responsible for this unique clustering. When the researchers created a...

Impact of NICU environment on neurodevelopment of premature babies focus of University of South Florida conference

..., FL The glaring lights of neontal intensive care units (NICU) may be more than annoying they can harm the retinas of developing newborns and disrupt the way these tiny babies process important visual information. This and other new findings about how NICU environments impact the neurosensory development ...

Adding vitamin C to certain drugs may help treat Alzheimers, other brain disorders

... this barrier. For example, glucose and amino acid units have allowed improved penetration into the blood brain barrier for some drugs, according to researchers. Researchers recently discovered the existence in some cells of a new receptor, the SVCT2 transporter, which is believed to play a major role in r...

January media highlights-GSA Bulletin

... Eleven late Eocene through Pliocene stratigraphic units in the subsurface of the Charleston, S.C., region ...o persist when the basal surfaces of stratigraphic units are compared sequentially over time. In some areas around Charleston, however, there has been persis...

Study shows how plant cells spin cotton

... can make the chain longer by adding extra glucose units to the end away from the sterol. The growing chain is pushed through the cell membrane to the outside of the cell. In some plants, such as cotton, extra cellulose provides the strength and other properties that make cotton fibers so valuable to the t...

PNNL science, technology help keep America safe

... front-end technology for multiplexed biodetection units for homeland defense applications. Special polymer senses nerve agents Detecting invisible chemical agent vapors is important in monitoring the safety of air in buildings or subways, and for protecting first responders to terrorist incidents. ...

Meetings launch international program to protect food security and conserve biodiversity

...will include the establishment of small processing units that will create added-value opportunities for marketing these crops." After the first year of this three-year project, researchers and collaborating farmers hope to, among other things, achieve a better understanding of the diversity across the geog...

Prevalence of ICU nurses has strong link to patient outcomes

...ent ratio remains to be determined, intensive care units having ratios of one nurse for every three or four patients, rather than one or two, have significantly higher rates of post-surgical complications. Overall, 47 percent of patients treated in hospitals with fewer ICU nurses and 34 percent treated i...

Vitamin E and aspirin delay heart disease in mice even with high cholesterol levels

...aily dose of Vitamin E that would have equaled 800 units in human subjects. "We found that Vitamin E reduced oxidative stress, which is known to be increased in atherosclerosis, to the point that it was suppressed in the mice," Pratico said. "It also reduced atherosclerosis by 65 percent. And this was acco...

Bacteria test may make blood safer

...in blood donor screening. With 9 million platelet units and 12 million red blood cell units transfused in the United States every year, at least 3,000 transfusions, primarily platelets, are co...

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