Can carbon sequestration solve global warming?
...vernment isn't thinking big enough in its plans to remove carbon dioxide from the atmosphere. Dissatisfied with the long-term potential of most current technologies for carbon sequestration, Klaus Lackner, Ewing-Worzel Professor of Geophysics at Columbia University, has designs for new power plants that wou...Gene targeting technique extended to human embryonic stem cells
...te, the team led by Zwaka and Thomson were able to remove from the human genome the single gene that causes a rare genetic syndrome known as Lesch-Nyhan, a condition that causes an enzyme deficiency and manifests itself in its victims through self-mutilating behavior such as lip and finger biting and head b...Discovery of iron-acquisition pathway suggests new treatments for drug-resistant Staph. infections
...st open red blood cells, capture their hemoglobin, remove the iron-containing heme groups, transport them ac...binds with the released hemoglobin. IsdA and IsdB remove the four iron-containing heme groups from the hemoglobin and transfer them to IsdC, located within t...Oxygen key switch in transforming adult stem cells from fat into cartilage
...treating these injuries. We envision being able to remove a little bit of fat, and then grow customized, three-dimensional pieces of cartilage that would then be surgically implanted in the joint. One of the beauties of this system is that since the cells are from the same patients, there are no worries of ...Rice University announces nanotechnology research agreement with IBM
...and electrical properties. "What happens when you remove a couple of atoms out of every 1,000?" asks Gustavo Scuseria, Welch Professor of Chemistry. "What we're finding is that there are dramatic differences -- greater than anything we had expected." Part of the reason that nanotubes behave so differently ...NIH study shows MRI provides faster, more accurate way to diagnose heart attacks
...maged areas of the heart, replace heart valves, or remove cells that are causing arrhythmias."...Study finds controlling phosphorus pollution in wetlands more important than believed
...us, bacteria can thus consume available carbon and remove enough oxygen from the water to potentially harm fish, even if there is no excess nitrogen in the water to cause algae blooms. "Gone are the days of saying 'nitrogen, that's the only thing,' or 'phosphorus, that's the only thing,'" Sundareshwar s...American Physical Society March Meeting 2003
...AIR Modern cars often use catalytic converters to remove carbon monoxide from exhaust fumes. This is done by passing the gas over a platinum surface that encourages (or catalyzes) the chemical reaction turning carbon monoxide into carbon dioxide, a safer emission. However, understanding the process of the ...New antibody library speeds search for new detection tools
...bacteria, it signals other cells to either kill or remove the bacteria. In medical treatments, antibodies are being injected into the body to seek out specific proteins on cancerous cells, for example, and target treatment to those cells. Biowarfare detectors can use antibodies to locate proteins as a way...Medical devices safe, but could be safer with better regulation
...put sterile saline into the lower airways and then remove it so potential infectious agents and other causes of respiratory illness can be identified. In late November 2001, a group of Olympus bronchoscopes were recalled nationwide because of a loose port that could permit contamination. The manufacturer f...Science picks-leads, feeds and story seeds (January 2003)
...ish spawning and use electro-fishing techniques to remove non-native fish. The high-fluctuating flows began Jan. 1, 2003, and will continue through March of this year and then repeat again January-March 2004. For more information on the 1996 experimental flood, go to http://az.water.usgs.gov/flood2.html ...Wetlands clean selenium from agricultural runoff
...nds in the state's San Joaquin Valley were able to remove an average of 69.2 percent of the selenium in agricultural drainage water. More significantly, some plant populations showed remarkable promise at converting selenium into a harmless gas consisting primarily of dimethyl selenide. That means less of t...More dialysis, highly permeable artificial kidney may not aid some, UT Southwestern researcher finds
...ysis (blood passed through an artificial kidney to remove waste products and toxins) may improve survival in women, however, and a more permeable membrane may reduce the risk for cardiovascular complications in patients on hemodialysis. The findings appear in the Dec. 19 issue of The New England Journal of...'Binary' enzyme created by TSRI scientists demonstrates Darwinian evolution at its simplest
...dified form of A) and biochemical manipulations to remove all the G. They were left with an enzyme based on a two-letter code (D and U). Reader and Joyce insist that their study does not prove life started this way. It does, however, demonstrate that it is possible to have a genetic system of molecules cap...Ultrasound shown to be potentially safe, effective way to kill bacteria
...eir plasmids that encode different toxins. If you remove those plasmids, Bt cannot be distinguished from B. anthracis and therefore can serve as a safe model for testing." In the experiments, samples of Bt spores were each subjected to different amounts of NCU exposure for different lengths of time. The s...European scholars support development of germ line modification
...s. Improved mechanisms of information not only can remove undue fear, but can also generate better information about the possibilities of genetic technologies and about the real ambiguities that can or should be addressed by the public or ethical and social research. The panel recognizes the need to increa...UT Southwestern scientists uncover new mechanism by which cells rid themselves of damaged proteins
...ormally utilize an enzyme called the proteasome to remove these proteins by cutting them into small pieces." The researchers found that the proteasome independently degrades substrates (substances acted upon by an enzyme) involved in Parkinson's disease and some types of cancer. The findings appear in this ...Coral layers good proxy for Atlantic climate cycles
...at ensure no harm comes to the living coral. They remove a 2-inch diameter core from the coral and then fill the hole to ensure nothing can get inside and erode the skeleton. The surface is finished so that within approximately six years, new coral begins to grow over the surface. They even attach a plat...Even green pond scum can suffer from jet lag
...also known as cyanobacteria) found in rice paddies remove nitrogen from the air and fix it chemically so that plants can use it for food. It is quite a trick for a single-celled organism to combine photosynthesis and nitrogen fixation because the two processes are biochemically incompatible. The Taiwanese d...Common human virus may be associated with colon cancer, according to Temple researchers
...rs used state-of-the-art laser micro-dissection to remove both cancerous and normal cells from the colon tissue and analyze them for JC virus genomic DNA. Results from the gene amplification revealed the presence of the viral early genome in 22 of the 27 tumors sampled, and the expression of the viral prote...