NIST Machine To Aid In Making Better Artificial Joints
...ith the human body. But even joints madefrom these components last only about a decade, prompting industry to searchfor better materials. Innovative devices have been needed desperately to speed up the screeningof new materials for orthopedic implants; it takes about six months forconventional equipment ...Security Code Helps Immune Cells Attack Foe And Spare Self
...eaddition of phosphate groups to two long receptor components called zeta chains.But how this occurs has not been known. Each zeta chain protrudes into the cell and has six separate sites forphosphates. Moving away from the plasma membrane, the sites are numbered A1, A2,B1, B2, C1 and C3. The r......t activate protein kinases which in turn modify components of the release apparatus. One of the most intriguing second messenger pathways in the regulation of neurotransmitter release involves the generation of diacylglycerol, a metabolite of membrane phospholipids. The "textbook" target o...Little Known Protein Prevents Formation Of Kidney Stones In Trace Amounts
... supersaturated with calciumand oxalate, the basic components of kidney stones, only three to five percentof people in the Western Hemisphere form them. Most people pass microscopiccalcium oxalate crystals with their urine before they can grow into dangerousmasses. "It is the natural fate of supersaturated sol...Bug Expert's Latest Books Feature Simple Language, Vivid Photos
...ival of the human race, because they are essential components of virtuallyall terrestrial and fresh-water ecosystems,including those in which we live and those that provide us with food, fiber,timber, and most of the other organicnecessities of life," he writes in his introduction. Waldbauer asks, for example:...Duke Studies Show That Environmental Effects Of Dams Extend To Insect Life
...dramatically sudden isolation can change even tiny components of aonce-integrated ecosystem. By painstakingly investigating these small invertebrate species forthree years, two researchers from Duke University's Nicholas School of theEnvironment found that inundation has served to exclude some common bu...National Science Foundation Is Taking Small Business Into A New Phase Of Innovation
... part in 250,000,000and calculates the directional components of the magnetic field. {Contact: BobSlocum, (972) 690-0099/ Bob_Slocum@polatomic.com } An Adaptive Rate Wireless Phone For Cellular Radio Networks Pericle Communications Co. Colorado Springs, Colorado The goal of this project is to double the capa......influential than light in regulating the clockwork components that cells use to pace themselves. Their work of...ey compared levels of this protein and its related components under various light and temperature conditions, they found that temperature rather than visible ligh...Milestone In Mitochondrial Structure Revealed
... oxygenfree-radical molecules which can attack all components of a cell and causemutations in both nuclear and mitochondrial DNA. As determined by Jap and his colleagues, the structure of cytochrome bc1 is thatof a dimer, a complex of two neighboring molecular chains called monomers. Theshape of the dimer is co...... this study. In earlier work, mutations in components of the channel were associatedwith inherited forms of neuropathies. Specifically, five years ago, former Pennneurologist Kenneth H. Fischbeck, MD, and Scherer reported that mutations inconnexin32 -- a protein found in myelin-producing as well as othe...UNC Scientists Succeed In Inserting Gene In Human Cells Via Artificial Chromosome
...onsible for producing Beta-globin, oneof two chief components of hemoglobin, the large molecule that carries oxygen inblood. Each time their cultured human cells divided, the genes replicated, orreproduced, as well and functioned for more than a year. "You can think of it as an artificial chromosome," V......ncan lead to a genetically related increase in the components of adult fitness." The research, which was...n.Second, very little is known about adult fitness components and how femalesselect mates to pass them on to offspring. And finally, many previous studieshave foc...Envisioning Ions With INEEL-Developed Simulation
...ysis samples. SIMION has also been used toanalyze components used in semiconductor manufacturing, indirectly improving theproduction of the very computers it runs on. "It's kind of pervasive," says Dahl, a Lockheed Martin Idaho TechnologiesCompany consulting engineer/scientist in the Chemical and Biological Sc...New Device Brightens Recycling Efforts
...or example, the device can be used to sort plastic components in cars, synthetic fiber resins in carpets, and a number of plastics used in the building and construction industry," he says. "It also can be used to sort plastic films, such as those found in dry cleaning bags, shrink wrap and packaging materia...Glowing Cyanobacteria Gives Researchers New Clues To Circadian Rhythms
...ly. The Kai proteins, they theorize, are integral components of thefeedback loop that drives the circadian clock. "The expression of KaiC is critically important for setting the phase ofthe clock," said Golden. The researchers found that the levels of kaiC geneexpression increase during daytime and de...Turning "Unrecyclable" Waste Into Plastic Products
...oating to simultaneously mould and "paint" plastic components in one simple quick unified process. Normally the... raw materials for the inside structure of plastic components created by this process but they hit upon the idea that they could also take this waste fluff and se...Hyperforin Is A Key To St. John's Wort, Researchers Say
... finding that hyperforin is one of the main active components of St.John's Wort is so significant that Pharmacopsychiatry, a prestigious Germanjournal of clinical pharmacology and psychiatry, recently devoted an entiresupplemental issue to hyperforin. It includes several recent clinical studiesthat show hyperfo...Hutch Researcher Wins 'Nobel Prize Of Applied Research'
...ell line to make the viruses, PCR primers, all the components neededfor retroviral gene expression. "So I guess putting it all together is whatmakes it exciting," Miller says. Also attractive to researchers is the kit's new PT67 packaging cell line that is used in conjunction with a retroviral vector to create ...New Anti-Microbial Agent Destroys Anthrax
...---including BCTP." "When properly formulated, the components in BCTP form an emulsion of tiny lipiddroplets suspended in solvent," said Wright. "These lipids fuse with anthraxspores causing the spore to revert to its active bacterial state. During thisprocess, which takes four to five hours, the spore's toug......raying as thin filmsor for pressing into intricate components such as the filters used inpacemakers. As the titanium powders are spherical the material is less likelyto pick up too many contaminants in the production process resulting in a highquality end product. PLEASE MENTION MATERIALS WORLD AS THE SOURCE...