Chemists Closing In On Commercial Potential Of Alkanes
...a group of organometallic complexes --compounds of metal atoms,such as iridium or rhodium, sandwiched betwe...eak the carbon-hydrogen bonds inalkanes and insert metal atoms into the mix, creating new, much more reactivecarbon-metal-hydrogen compounds. Since disco...Chemist Turns To Self-Assembly To Create New Drugs
Using metal atoms as molecular matchmakers, University ofRoche...and theUniversity, relieves this drudgery by using metal atoms toinstigate chemical self-assembly, a relatively new technique thatlets molecules put themselv...New Treatment Targets Most Malignant Brain Tumors
...lifornia, firm Cyclotron Inc., Zalutskydeveloped a metal target that could be inserted directly into the Duke medicalcenter cyclotron. When bombarded by the cyclotron beam, the bismuth-coated plateefficiently generated large amounts of the astatine isotope, which could berapidly isolated. "We get a...Three INEEL Inventions Win International Recognition
... process that uses hot, inertgas to atomize molten metal alloy in a specially designed and patented spraygun. This new technology promises to reduce the cost and lead time for producingtooling by a factor of five to 10, substantially shortening the time it takesindustry to get products to market. Unlike ot...Repairing Cranio-Facial Deformities From The Inside Out
... trauma or congenital disorders have had to wear a metal device implanted intothe jaw from the outside of the face in order to correct the problem. Surgeonsat Temple University Hospital are among the first to offer patients adistraction device implanted completely inside the mouth that helps to regrowdest...National Science Foundation Awards Knowledge And Distributed Intelligence Grants
...ed changes happen to the internal structure of the metal which can lead_in the absence of inspection and ma...posed research will examine how: the atoms in the metal form defect lines (called dislocations); the dislocations form into larger tangles and arrays; the t...Candles with lead wicks emit lead into the air
... lead," Nriagu said. In general, Nriagu found that metal cores in Chinese candles were made of eitherpure l...rn longer such as scented orceremonial candles. A metal core is used to provide rigidity to the wick whichprovides an even and slower burn rate, and to redu...Radically New Type Of Surgery Tested On First Patient
...r surgical instruments. He also attached six small metal markers tothe outside of the skull to enable the c...atient's head every second or two. Because the six metal markers show up onthese images as well as on the MRIs, the two types of images can besuperimposed. T...... hip replacement, the hip joint is replaced with a metal ball attachedto a metal stem fitted into the upper portion of the thigh bone and a plasticsocket is implanted into the pelvi......ts forces or stress on the leg bone rather thanthe metal implant and this, says the researchers, is necessa...uces an environment where bone appears to healto a metal surface in a pattern similar to fracture healing."The novel device, known as the compliant pre-stres......pend an inordinate amountof time outdoors swinging metal objects about. Men are struck by lightning fourtim...e struck. Other lightning victims had been holding metal objects such as golfclubs, fishing rods, hay forks, or umbrellas. But even those not holding metalob...Implanted defibrillators and anti-theft systems appear safe under normal circumstances
...tronic medical device and ask them not to hold the metal detectornear the device any longer than absolutely necessary. The current study was partly supported by a grant from an electronicscompany which makes some of the most common security devices. "However,physicians wrote the protocol, then coll...Mitral valve repair at Cedars-Sinai Medical Center gets Los Angeles dentist on the road to recovery
... perfect solution. The artificial valve, typically metal or porcine, is a foreign body, and patients have to rely on blood thinners the rest of their lives, plus the valves tend to last only a few years. Through the years, we have developed techniques to successfully repair most of these mitral valves, whi...Research shows low lead in body can cause spontaneous abortion
...the United States in the1970s, levels of the toxic metal in U.S. residents have dropped over the pastsevera...and reproductive systems,Hertz-Picciotto said. The metal easily crosses the placenta to developinginfants. Borja-Aburto earned his Ph.D. in epidemiol...New 'real time' MRI stress test pictures heart in motion
...sed in patients with pacemakers, cochlearimplants, metal clips, or defibrillators. The fast cine MRI stress test has advantages over other forms of stress testing,according to Hundley. "Since the test doesn't require the use of ionizing radiation, there isno radioactive waste to dispose of," he says. Beca...Northwestern chemist develops nanoplotter with parallel writing capabilities
...graphic methods used for patterning large areas on metal and semiconductor substrates, including silicon wafers. "Our multiple-pen, parallel process nanoplotter gives the nanotechnologist a powerful new tool," said Chad Mirkin, George B. Rathmann Professor of Chemistry. "The miniaturization of the plotte...First protein 'biochips' may deliver improved detection, diagnosis
...y printing. This helped to define the channels and metal surface regions on the chip. Then the proteins were attached by using the electrical charges naturally occurring within the proteins. A patent application for the new Purdue biochip is pending. A paper on the biochip, "Micro-Scale Detection of Biolog...Cars and bridges that almost never rust
...hich could help cars, bridges, pipelines and other metal structures last up to 10 times longer was describ...s to create what Wessling describes as an "organic metal [that could] last forever." Rust and corrosion occur when a metal donates some of its electro...Supplements that target fat loss … metals that protect themselves …
...to a new biodegradable material that could replace metal pins, screws and plates. (PMSE 288, 11:15 a.m.) Chemists and curators join forces to preserve Old Masters, museum treasures - Past preservation efforts are backfiring, causing the polymers in old paint to fall apart. Chemistry has come to the rescu...NIH awards grant to MetaPhore Pharmaceuticals to study novel pain treatments
...cture and even genes -- much like oxidation causes metal to rust. This type of progressive damage has become increasingly linked to several diseases and conditions, particularly those associated with aging such as auto-immune disorders like Parkinson's and rheumatoid arthritis, multiple types of cancer, ...