American Chemical Society's Weekly PressPac -- July 25, 2007
... Society With ethical issues concerning use of discarded embryos and technical problems hindering development of stem cell therapies, scientists in Korea are reporting the first successful use of a drug-like molecule to transform human muscle cells into nerve cells. Their report, scheduled for the August 8......once useful but have sense been forgotten, lost or discarded mistakingly. These sources are commonly found in medical, industrial and research settings. Apart from the risk to human health, there is concern that some radioactive sources could fall into terrorist hands and be used for radiological dispersal de...AAAS decries latest stem cell veto
...d from microscopic embryos left over and due to be discarded after in vitro fertility treatments. Current U.S. policy limits such funding to fewer than 20 stem cell lines that had been created when the president first announced U.S. policy in 2001. "Our concern is that this action has the potential to delay de...Studies to find better ways to preserve human eggs, ovarian tissue under way
...e using eggs from 60 women age 18-42 that would be discarded because they are not adequate for in vitro fertilization. They also are retrieving and maturing eggs from cow ovaries donated by a local slaughterhouse. Bull sperm will be used to test the viability of cow eggs afterward but human eggs will not be fe...Scientists develop new drugs to fight colon and breast cancer more effectively
...uction of new carcinomas or other side effects. We discarded compounds until we finally found six which have shown to be better than currently used drugs, says Caba Prez. Research on cell lines So far, the study has been conducted on cell lines, and not on patients, using a new technique called Microarra...ACS News Service Weekly PressPac -- May 23, 2007
... companies that reclaim mercury from waste such as discarded compact fluorescent light bulbs and thermostats, and that financially depend on selling that mercury on the world market. ARTICLE # 5 EMBARGOED FOR 9 A.M., EASTERN TIME, May 28, 2007 "Mercury in Aging Chemical Plants Could End in and on the Hands o...Arming the fight against resistant bacteria
...nown antibiotic in a Penicillium mold growing in a discarded experiment. Nearly eight decades later, chemist Helen Blackwell and her research team at the University of Wisconsin-Madison have devised a more deliberate method to tackle a newer bacterial conundrum - resistance to commonly used antibiotics. Ea...ACS News Service Weekly PressPac -- April 11, 2007
...ore than 700 million cell phones already have been discarded or are stockpiled awaiting disposal, with 130 million cell phones trashed in 2005 alone. In the new study, researchers used standard lab procedures to analyze chemicals in simulated cell phone "leachate" the liquid that dribbles out into the soil ...The last wild hunt -- Deep-sea fisheries scrape bottom of the sea
...ea fisheries. Previously known as slime heads, and discarded by fishing vessels as trash fish, they were renamed for marketing purposes. Fisheries often target them on continental slopes, mid-ocean ridges and seamounts, but their habit of aggregating on peaks to feed and spawn make them particularly vulnerable...European Union outpaces United States on chemical safety
...ng a host of hazardous substances are consumed and discarded in the United States and around the globe." The E...out the ecological and human health risks posed by discarded chemicals and electrical and electronic products. But critics in U.S. government and industry point ...Durable critters providing insight for human egg preservation
... Genetics In vitro Fertilization Program to obtain discarded eggs that failed to fertilize. Dr. Eroglu looks for a better way because current approaches are fraught with problems. Scientists have been freezing human eggs for about two decades but not very successfully. "Embryo cryopreservation is relativel...Embryo tests give parents the choice
...lthy embryos are implanted in the womb; others are discarded or frozen. The survey, which covered 186 out of 415 fertility clinics in the US, found that around two-thirds of PGD procedures were performed to identify embryos at risk of birth defects or being miscarried. However, the survey also revealed that a...Ancient raptors likely feasted on early man, study suggests
... the researchers collected some 1,200 animal bones discarded from 16 African crowned eagle nests. Slightly more...lmost no one had really bothered to look at skulls discarded from eagle nests. It's not that the damage was overlooked in the Taung skull, it's just that we didn...Genetic research at Children's Hospital of Pittsburgh reinforces theory of evolution
...ct that supports evolution, and eventually will be discarded from the mouse genome." But the most important implication of this research from a patient perspective is that scientists now must go back to the beginning in terms of discovering the genetic mechanism that causes polycystic kidney disease and oste...Controlling robots that search for Mars life
...rect approach to Mars, with the carrier spacecraft discarded after the rover detaches itself for descent to the surface. The rover will use solar arrays to generate electricity, and will travel over the rocky orange-red surface of Mars, transporting an up to 12-kilogram experimental payload including a first...ACS Weekly PressPac -- June 26, 2006
...that recyclers may begin scraping the material off discarded LCDs. Manufacturers also are seeking ways to use less costly alternatives, such as zinc oxide. ARTICLE #5 "Riding on Flat Panels: Materials suppliers are under pressure to raise output, but costs are rising and high growth doesn't always transl...Parallel evolution: Proteins do it, too
...lobines, the original, less efficient, gene is not discarded after duplication. But why, Zhang wondered. "The guess is that the old copy is still doing something important," he said. "RNASE1 has another function, which is to degrade double-stranded RNA. Double-stranded RNA is not normally found in food, but i...Ocean virus identified in human blood samples
...upon a liver enzyme test, and whose blood had been discarded as a result, 21 percent had antibodies to Vesivirus. In blood samples from persons who had been diagnosed with clinical hepatitis, 29 percent had antibodies to Vesivirus. In persons who previously had transfusions or dialysis, and who then develo...Microbes convert 'Styrofoam' into biodegradable plastic
...ocess might also be used to convert other types of discarded plastics into PHA, according to OConnor. PHA has numerous uses in medicine and can be used to make plastic kitchenware, packaging film and other disposable items. The biodegradable plastic is resistant to hot liquids, greases and oils, and can have a......pect as human ancestors emerged from the sea, they discarded their lateral lines as well as their ability to sense electrical fields. "Our fishy ancestors had the anatomy for it," said James Albert, aformer UF biologist who is now at the University of Louisiana. "You can imagine how valuable this system would ...