Crystal Structure Of The Archaeal Chaperonin Thermosome, A Protein-Folding Machine, Determined
...ar basis, containing a built-in lid domain that substitutes for a cochaperonin....Flexibility In Cutting Toxic Releases Yields Dividends
...es should be regarded as complementsto rather than substitutes for mandatory environmental regulation."...... has spawned a widespread search for natural sugar substitutes that are both non-caloric and safe. The calorie-fr...3,000, more than 10 times sweeter than other sugar substitutes like saccharin or aspartame. Because these kinds of complex sensory-stimulating proteins typically...Hopkins Research Team Cultures Long-Awaited Human Embryonic Stem Cells
...efore. Instead of having to rely on mice or other substitutes forhuman tissues, we'll have a unique resource that we can start applying tomedicine." The Hopkins research is reported in this month's Proceedings of theNational Academy of Sciences. A related success, but one reached by a differentpath, i......o determine how use of different fats and milk fat substitutes inchocolate ice cream affected the taste of chocolate ice cream. (See page 66,AGFD 97, 11 a.m., Wednesday, August 25, Convention Center, Room 210.)...Special four-day symposium on MTBE and drinking water
...06 in the final program.) Will the potential substitutes for MTBE create longer or shorter plumes? MTBE contaminates water more readily than other gasoline constituents, even benzene. This paper examines alternatives to MTBE and whether they are likely to be better or worse in this regard. (B. Hartman, Tr...Detroit researcher receives national award
...he unknowns in the various reaction steps, Newcomb substitutes what he does know: the rates at which molecules he has built, called probes, react with P450. His group uses short bursts of laser light to 'time' the reactions. "His work has electrified the P450 area," wrote Dennis Curran of the University of Pitts...Do fish farms really add to the world's supply of fish?
...Mooney says that researchers are trying to develop substitutes for fishmeal, including soybeans and other plants. But fish oils, unlike vegetable oils, contain essential amino acids that carnivorous fish need to survive. Vegetarian fish It's a different story for fish that eat plants. According to the Nature s...Genetically engineered hemoglobin brings artificial blood a step closer
...s are currently available. Several potential blood substitutes are being investigated, all of which incrementally advance development of an oxygen carrier, necessary for synthetic blood that could be safely used by people, Ho said. Because the population is aging and demand for blood is increasing - for surgerie...UCSD bioengineer to receive President's National Medal of Science
... engineering the natural organisms, making tissue substitutes at all levels, from molecules to man, looking for engineered pharmaceuticals, and engineered gene therapy. Today, nearly every academic research university has established a bioengineering program. Across the country, these programs ...Refrigerator disposal releases ozone-depleting chemicals
... Freon. New products, including refrigerators, use substitutes with similar properties. Additional amounts of CFC-11 can be found in air conditioners, insulation and some industrial appliances. A different type of CFC is used in the product marketed as Styrofoam....Researchers view protein's structural changes in real time
...scientists to engineer improved proteins for blood substitutes and improved treatments for genetic diseases. Rese... could benefit the development of artificial blood substitutes by enhancing the rate at which oxygen is released while slowing down its reaction with other gas mol...How a little bit of cold can kill a big manatee, and what it might mean for the species
...are removed and some manatees are not able to find substitutes in time. Manatees already die each year from the cold, and the fear is that future power plant closings and replacement with more efficient facilities that don't churn out heated water could increase the number of deaths. "Some of these power plant...Enzyme fully degrades mad cow disease prion
...ly provide. Animal producers are looking for safer substitutes to antibiotics, and Shih believes that keratinase can serve that purpose. Soon, it will become clear whether keratinase can also help prevent mad cow and other harmful diseases caused by prions....'Kissing' RNA and HIV-1: Unraveling the details
...e CARB scientists developed fluorescent markers as substitutes for pieces of the RNA. By monitoring changes in the fluorescent signal, the scientists could follow these reactions. The scientists also used nuclear magnetic resonance to identify the sites in the RNA that acquire the proton and to characterize the ...Breaking the rules on artifical blood
...ote areas. But company after company has worked on substitutes only to abandon their efforts because of safety concerns. Most blood substitutes are based on various forms of haemoglobin, the protein that carries oxygen in most animals. The guid...'Crystal engineering' helps scientists solve 3-D protein structures
...g "targeted mutagenesis." In effect, the technique substitutes a small amino acid for certain large ones. This effectively shrinks bulky groups of atoms on protein surfaces that might otherwise prevent the proteins from crystallizing. "In order to determine a high-resolution structure of a protein, we need to st...First ever standards linking climate change, biodiversity and poverty seek global peer review
...estation, agro-forestry, afforestation) or develop substitutes for fossil fuels (bioenergy projects). The Standards, however, can evaluate land management projects outside of the climate change arena. The Standards will work in developing, developed or emerging economies and can be used for projects with private...Healthy fats and oils essential to satisfy calorie-conscious consumers
...alyst Anil Naidu. Olestra recently entered the fat substitutes market after resolving health issues surrounding its consumption and gaining approval from the Food and Drug Administration (FDA). Another breakthrough in the search for low-fat palatable foods is the development of fat-free cream cheese with the fir...