Bacterial Toxin Surprises Scientists
... "Why do we care about that? Because it is relevant to all the proteins that end up inserted in the cell's membrane [such as hormone receptors] as well as to any kind of excreted protein [like digestive enzymes]." In a paper published in the March 1996 issue of the ...Northwestern Scientists Discover How Herpes Simplex Virus Infects Cells
...ell types, including nerve cells, and defining the relevant mechanisms ofentry into different human cells....New Sensor Provides First Instant Test For Toxic E. coli Organism
...Advanced Materials. The center does basic research relevant to both the needs of industry and the Department of Energy. Technically, the working part of the sensor consists of multiple copies of a single molecule which is fabricated into a thin film. This molecule has a two-part composite structure. ...Pinpoint Gene Control Holds Promise For Nervous System Studies
...t of NGF onmemory and learning, a link that may be relevant to patients withAlzheimer's disease, where NGF-sensitive neurons in the brain'sbasal forebrain are among those damaged.......n thinking about being tested needs to knowall the relevant facts. The book also explains what one should askdoctors and genetic counselors, how the health-care system, governmentpolicies, and insurance companies influence our options, and whatthe resources are for obtaining more information and counseling. ...Basin Traps Air Pollution In Mexico City: International Study Has Implications For U.S. Cities
... standardsfor fine particles. "This study will be relevant to our understanding of thenature and causes of fine particle air pollution throughout the world, includingthat found in U.S. cities," said Pacific Northwest's Sylvia Edgerton, projectdirector. The data will be used to improve computer models...New Mechanism To Explain Carbon Monoxide Poisoning Identified
...carbonmonoxide can damage cells at levels that are relevant to real-world situations,and a mechanism that has nothing to do with classic hypoxia," Thom concludes. On a more practical side, he hopes that the study's findings will"convince the large number of physicians who tenaciously hold onto the cl...Chlamydia Vaccine Developed At UMass
...is treated with tiny amounts of a bacterium or the relevant portion of it. This material is seen as "foreign" by the recipient, prompting the body to generate specific antibodies, which result in immunity to disease. But the hard-to-handle GLXA led these scientists to use a two-step approach in creating a vac...Lifestyle Determinants Of Plasma Homocysteine
...ol/L and 6.2--14.7 µmol/L. These findings are relevant for establishing adequate reference ranges for tHcy and emphasize folate intake, smokingstatus, and coffee consumption as major acquired determinants of tHcy concentrationin this general population. Am J Clin Nutr 1998;67:263-70....USGS 1999 Budget Emphasizes Clean Water, Disaster Information, Species And Habitat Research
...disasters." "USGS is focusing on science that is relevant to the nation's needs and concerns," addedCasadevall. "That is why USGS scientists are at work every day on issues of concern to every citizenacross our country, using their expertise to establish solid baseline information that will benefitgeneratio...Population Growth Costs Include Global Warming Impact
...rming in estimating costs of population growth, is relevant to policy debatesabout such issues as family planning assistance for developing countries and thechild tax credit. "Before the model is used to influence policy or to makevalue judgments, however, more research needs to be done on ways to estimateth......heart-healthy diet. These results areparticularly relevant because older people, by their age alone, are already athigher risk for heart attack and stroke. "While you can't control getting older, you can control your diet," saysTheodore Kotchen, M.D., a member of the AHA's nutrition committee. "We knowtha...Shuttle Mission's "Neurolab" To Study Nervous System
...y may lead to abnormalities in the otolith organs, relevant tolong-term space flight and to certain kinds of posture and balance problems inpeople on Earth." Other benefits of the aquatic studies aboard Neurolab are development ofan electrode that offers potential use as a connection to the nervous ...Reduced Nutrients Still Cause Problems In The Neuse And Tar-Pamlico Rivers
...lines have been around for many years, they remain relevant by providing some important clues as to why these two rivers seem to have more than their share of water-quality problems," said Tim Spruill, a hydrologist with the USGS. According to the report, a 50-percent reduction in summertime nitrogen and phos......hical areas and over manydimensions of measurement relevant to environmental issues. Finally, a numberof the ...environmental statistical methods. This meeting is relevant to both statisticians and environmentalists orenvironmental scientists. Roughly one-third of the pa...High-Altitude Cerebral Edema Likely Caused By Leaks In Blood-Brain Barrier
...udy of high-altitude cerebral edema and hypoxia is relevant to many people other than those wealthy enough to afford an Everest trek, Krasney noted. "Thirteen million people go to Colorado every year to ski and 65 percent develop at least a headache," he said. "Twenty-five percent develop acute mounta...New Machine Slashes Time, Cost To Make Unique Lenses
...ilt-in measuring system can thenautomatically feed relevant data to a magnetorheologicalfinishing device for a final round of ultra-smooth polishing.Total time required: roughly 15 to 30 minutes. "We've incorporated several new technologies into thismachine," says Kevin Uhlig, vice president of machinery...HIV Discriminates Amongst Cells
...d Dr.Iyengar. She said that the findings could be relevant to many other kinds ofviruses that use specific cell receptors. "A requirement for contracting actinin the target cell could also be a mechanism that prevents HIV from enteringinactive cells, or cells in the early stages of cell death. We know that...New Vancomycin Structure May Point To Path For Overcoming Antibiotic Resistance
...new report. Theresistant bacteria have altered the relevant docking molecule so that the normalvancomycin dimer can no longer bind to it, according to Loll. "The way vancomycin molecules form into dimers or other larger-ordercomplexes may well play a role in how the drug acts," he says. "These finding......esses, in which a computer must be informed of the relevant categories in advance, Domany's algorithm is analogous to human intuition: it doesn't need to be told how the data is structured or how it should be broken down into groups. When confronted with each new clustering task, the algorithm analyzes the da...