A Drug Pump On A Computer Chip
...his forces the chamber to expand and contract. The expansion pulls fluid into the chamber through an intake valve, and the contraction expels the fluid through an exhaust valve. The flow sensor is made up of a heater that raises the temperature of the fluid at one point in the flow stream. Two heat sensor...Insulin Resistance Is A Risk Factor For Atherosclerosis In Whites And Hispanics
...eat insulin resistance. The study marks an expansion in the use of ultrasound to detect diseasebefore symptoms appear. "Typically ultrasound is used on sick people," Howardsaid. "But it's also a good device to measure disease in the generalpopulation."...Burroughs Wellcome Fund Continues Support Of EurekAlert!
...rroughs Wellcome Fund makes possible the continued expansion of what has become an important service to the scientific community," said Richard S. Nicholson, Executive Officer of the AAAS, which publishes EurekAlert!. "We are proud that Burroughs Wellcome Fund has embraced the vision of furthering the understa...Recovery From Mass Extinction Is Unexpectedly Diverse
...America," he said. "Europe lacks any kind of rapid expansion of 'bloom' taxa." Spurred by his findings, Jablonski burrowed into museum collections andinvestigated the collections of molluscan fossils for northern Africa and India. Jablonski found that the Gulf Coast of North America differed from all threeregi...Virginia Tech Researchers Assess Watershed Management For EPA, NSF
...ricultural use, recent studies estimate, and urban expansion claims anadditional 420,000 acres of land each year. All land use affects theenvironment in some way, and unmanaged development can cause unforeseenenvironmental damage. In an attempt to develop a comprehensive environmental management mode...Report Focuses On Managed Care Impact In Clinical Microbiology Labs
...ental patterns must be enhanced. Additionally, the expansion of increasingly susceptible patient groups, such asthe elderly, fragile newborns, and immunocompromised patients increases the needfor rapid and accurate assessment of microbiological data. Such developmentsmake it increasingly important to identify ...As The City Goes, So Goes The World: Symposium At ESA Meeting To Examine The Ecology Of Cities
...y in urban systems, Carreiro willdiscuss how urban expansion can change and reorganize resources, conditions, andspecies over the landscape with far-reaching impacts on the ecological processesof natural areas surrounded by a city or suburb. Specifically, she will addressthe connection between abundant deer f...New Genetics Of Cancer Educational Website Is On-line
... result of geneticmutations. But the rapid expansion of basic and clinical research in cancergenetics--and related psychosocial, ethical and legal considerations--oftenexceeds the knowledge and experience of most health professionals. "Fortunately, the 'Information Superhighway,' has vastly gr...Rapid Population Growth Is Still A Problem
...is projected over the next 25 years, and a further expansion to 10.4billion is expected by 2100." Large increases in population growth are expected in Africa, Asia, and LatinAmerica for three reasons, Bongaarts says: Fertility is still about 50 percent above the two-child level needed to bringabout popula......disease settings, such as AIDS. Additionally, REM expansion modifiedCTLs could be used to deliver cytokines to diseased target cells without thetoxicities observed when cytokines are administered systemically. Targeted Genetics has supported two Phase I studies of HIV-specific CTLs in HIVinfected patients c...By Revving Up Key Gene, Researchers Discover They Can Manipulate The Size Of Cells In Plants
...the receptor that bind together that causethe cell expansion response." The work is a breakthrough in the field of plant hormones that willallow the field to move forward, he said. "Farmers have been doing genetic engineering since before the time ofJesus Christ by selecting seeds from larger ...Science Announces Top Ten Research Advances Of 1998
...en galaxies could slow-and ultimately reverse-that expansion has beenunknown. This year's discovery showed that the expansion of the universe is infact speeding up. This implies that gravity is no match for the force that ispu...New Clues To Evolution Of Human Brain
...e comparison indicates that there has been a great expansion of the frontalcortex in the evolution from monkeys to humans, pushing this older area,reserved for spatial memory, out of the way," she said. "Of course, one of thebig questions is what replaced it. From the imaging work and from studies ofpeople wit...Largest Acoustics Meeting In History Expected
.... The sound waves create areas of compression and expansion in the gas, resulting in hot and cold regions which can then be tapped to chill objects. Werner Lauterborn at the University of Goettingen in Germany ( lb@physik3.gwdg.de ) and his colleagues ran a thermoacoustic design in reverse--by applying a tem...Whitehead Receives $35 Million Grant From National Human Genome Research Institute (NHGRI)
...atthe latest. "This joint initiative marks a major expansion of the collaborative spirit ofthe international sequencing effort, with the goal of completing the sequence ofthe 3 billion bases of human DNA as soon as possible," said Dr. Francis S.Collins, director of the NHGRI. The international consortium has ...Osiris Therapeutics Reports Key Findings in SCIENCE Verifying Existence of Adult Stem Cells
...ar, human adult stem cells can undergo substantial expansion starting from a single stem cell, and the resulting expanded cell population can be maintained as stem cells in culture or induced selectively to form bone, cartilage or fat. These adult stem cells are maintained throughout life and form normal tis......nd patenting of sequences of the Human Genome. The expansion of thisnewborn and very promising sector known as pharmacogenomics, aiming to developdrugs tailored to individual genetic profiles, brings on an enourmous potentialfor society and could lead to new and more efficient theurapeutic tools. At thesame ti...Invasive fishes pose increasing threat to U.S. waters and native fishes, says USGS
...hasincreased dramatically as a result of the rapid expansion of travel andinternational shipping, as well as the increased interest in the aquariumfishes. About 40 percent of U.S. non-native fish species come from foreigncountries; the rest are species that have spread into new environments outsideof their na...Report in Science on x-ray crystal structure of matrix Metalloproteinase-2 (MMP-2)
...outsideof cells) thereby enabling the movement and expansion of cells, the depositionof new extracellular matrix, and the subsequent development of new tissue. MMP-2 acts directly on type IV collagen, a principal component of the basallamina, a specialized form of the extracellular matrix. The activation of M...USGS study casts doubt on role of fire suppression in causing catastrophic shrubland wildfires
...eley. The first, dating fromthe 1950s, cites urban expansion and lack of adequate zoning regulations as thecause of the problem. By the 1970s, though, an alternate view emerged that firesuppression was the primary cause of increased losses due to shrublandwildfires. The scientific community widely believed tha...