Distance between atoms is key to iron protein function
...le has been how the same intermediate can act as a catalyst with oxygen-activating enzymes, but act as a substrate with ferritin proteins," said Penner-Hahn, a U-M professor of chemistry. The answer appears to be an unusually short distance of 2.53 angstroms between iron atoms in the peroxide-bridged ...Study: Methane cleans nitric oxide from power plant emissions
... water. A vanadium-oxide-based catalyst helps the chemical conversion ...ay react with oxygen over this catalyst to form more nitric oxide. Methane is environmentally more compatible than ammo...Fuel cell research center to develop and test new technologies
...pertise in this field. The center will serve as a catalyst for revolutionary advances through world-class research integrated across disciplines and spanning from fundamental discovery to application-specific prototypes," Parekh said. Groundbreaking research in these areas will move the world toward more su...UCSD chemists develop portable nerve gas sensor
...ions. To accomplish this, the scientists used a catalyst that Trogler and his co-workers had developed for ...dly chemicals with phosphorus-fluorine bonds. This catalyst breaks the phosphorus-fluorine bond in "G"-type nerve agents, resulting in the production of hydroge......e first identified human homologue of ACE, a known catalyst in hypertension and congestive heart failure, and is therefore, a potential new target for these cardiovascular diseases. The data indicate significant differences between the ACE2 and ACE genes. ACE, which is found throughout the vascular system, p...The human side of restoring nature
...onstration project. The protests also served as a catalyst for the first concerted effort to examine the human aspects of environmental restoration. "Restoring Nature was the natural outgrowth of the 1998 symposium to review the state of the art," stated Paul Gobster, co-editor and North Central Research...Two distinguished scientists to share leadership of new Life Sciences Institute
... create something new and dynamic, which will be a catalyst for interaction between medicine, engineering and the life sciences on the U-M campus." "Our plan is to build a broad research program in chemical biology, genomics, proteomics, and molecular genetics where faculty can work at the interfaces betw...Earlier water on Earth? Oldest rock suggests hospitable young planet
...ence for liquid water on Earth, a precondition and catalyst for life, was from a rock estimated to be 3.8 billion years old. The accepted view on an infant Earth is that shortly after it first formed 4.5 to 4.6 billion years ago, the planet became little more than a swirling ball of molten meta...Oldest crystal reveals early Earth
...ence for liquid water on Earth, a precondition and catalyst for life, was from a rock estimated to be 3.8 billion years old. The new picture of the earliest Earth is based on a single, tiny grain of zircon from western Australia found and dated by Simon A. Wilde, a professor in the School of Applied Geology a......ooling DNA samples. These advancements have been a catalyst in attracting many of our high-caliber customers and collaborators, said Toni Schuh, Ph.D., SEQUENOMs President and Chief Executive Officer. The words cost-effective and large-scale are often misrepresented in our industry. A system can be high throu...Economic costs of extreme weather, state by state
...es and regions." He hopes the Sourcebook acts as a catalyst formore attention to the societal impacts of weather. He also warns thathistorical costs cannot predict what future damage might be....Human gut potential breeding ground for antibiotic resistance
...alyers. "We know from laboratory studies that one catalyst that triggers horizontal gene transfer is the antibiotic tetracycline. Tetracycline is like an aphrodisiac for Bacteroides, causing it to transfer its resistance genes. This suggests to us that this orgy of horizontal gene transfer may have been du...Allentown chemist wins national award for catalysis research
... place, said Armor. "My job is not just mating a catalyst to a chemical process, but also understanding how ..., but parts-per-million amounts of methane." The catalyst was a cobalt-modified zeolite - aluminum silicate crystal containing cobalt ions - and turned NOx in...Berkeley chemical engineer wins national award for catalysis research
...consuming oxygen, not nitric oxide. A finely tuned catalyst can compensate. Bell and his Berkeley colleagues have also just received a 10-year grant from BP Amoco to develop chemicals and liquid fuel from methane gas. Bell chose his career largely because of his father. "He came to the United States from ...Designer solvents promise revolutionary pollution solution
...oxides without generating waste. Even the metallic catalyst remains in the ionic liquid phase, so it can be recovered and recycled. The ionic liquid research being presented at the weeklong symposium is just the tip of the iceberg, say the scientists. Compared to the 300 organic solvents widely used ......r synthesizing proteins -- could have acted as the catalyst for reactions that link transfer RNA (tRNA) to ami... how that crucial step came to be taken, without a catalyst to trigger it. "Using an in vitro version of Darwinian natural evolution, we have evolved this RNA...New technology reduces noxious emissions
...hicles. A patent is pending on a class of zeolite catalyst materials that appear to be the key to nitrogen ox...oking at various materials and found a specialized catalyst that selectively reduces oxides of nitrogen, said Chuck Peden, principal investigator for the projec...One hour of grass cutting equals 100 miles worth of auto pollution
...d on U.S. made cars since the late 1970s. "Using a catalyst would help prevent most emissions from small engines," he said. "Of course, people could also use an electrical-powered lawn mower instead."...