Shrews May Predict Environmental Degradation
...tible to environmental change making them a highly sensitive ecosystem indicator. Ray says there are more questions than answers when it comes to these shy creatures. What is especially perplexing is the way in which 16 different species of shrew in the Central African Republic are able to survive in m...Ant Pheromone May Aid Alzheimer's Patients
...ogical signalingapparatus that go with them are as sensitive as the finest analytical-chemistryinstruments. Cornell researchers test this super-sensing ability by measuringthe electrical current passing through an ant's antenna as different chemicals,separated from a complex mixture by a gas chromatograph, ar...NIAID Doctor Successfully Treats Longest Case Of Malaria Infection On Record
...sitic Diseases. Using an extremely sensitive test that searches for genetic signature sequences...zens of people. "RT-PCR is the most sensitive test for picking up any reservoirs of the disease, for trying to determine whether or no...New Sensor Adds Precision To Search For Dangerous Gases
...ses around, the alarm will go off because they are sensitive to other gases as well - but you still don't know if carbon monoxide is present." Miremadi has invented a system that can differentiate between gases: "My system is like a sniffing camera which can find any ga...At Life's Most Sensitive Stage, Embryos Cope With Stress
...ditions. At the age of oneto two days, they become sensitive to these stresses, then become resistantagain. Also, former graduate student Rui Li has shown that the temperaturesexperienced by adult algae affect the heat tolerance of their embryonicoffspring. (For a press release from the University of Maine des..."Doctor Watershed" Named AAAS Fellow
... 200 hectares) "natural" study watersheds that are sensitive to disturbance. Scientists from several agencies and universities monitor each site's vegetation, weather, precipitation and water quality. Research also includes studies of the structure and function of ecosystems and their responses to disturbance...Women Younger Than 30 Need To Be Screened For Chlamydia
...ng run, the test is cost-effective because it's so sensitive itidentifies more infections." Up to 70 percent of women with chlamydial infectionmay not have symptoms, according toQuinn. "Managed care companies paying for medical care would benefit from reducedcostsbecause chlamydial infections would be ide...Age-Based Screening Is Cost-Effective Method To Control Chlamydial Infection
...n general,screening with any criteria and a highly sensitive diagnostic test should bepart of any chlamydial prevention and control program. NIAID has a major commitment to develop new sexually transmitted disease (STD)diagnostic tests that are rapid, inexpensive, easy-to-use and do not require an invasive sa...Jefferson Researchers First To Create Genetically Engineered Mouse To Study Photoaging
...ng. "We wanted to develop a more rapid and sensitive means of studyingphotoaging and compounds that might protect against sun damage in livingtissue," explained Dr. Uitto. "When we exposed the mice to controlled solarsimulating irradiation in the lab we learned from the CAT reporter gene that thelight...Molecular Mechanochemistry: An Emerging Discipline At The Nexus Of Biology And Physics
...ies' lab is studying severalendothelial-cell genes sensitive to blood flow and how the molecular pathwaysthat govern them vary due to changing external forces. Getting at the heart of blood-flow dynamics is also critical tounderstanding the localization of atherosclerotic lesions. "Eddies form atar...Candidate Regulator Of The Temporal Component Of Neurotransmitter Release Identified
...neral fusion protein NSF (for N-methylmaleimide sensitive fusion protein). The groups have synthesized NSF-fragments and screened these peptides for their potency to prevent the major activator of NSF, the s oluble N SF- a ttachment p rotein SNAP, from interacting with NSF in vitro. To elu...Prairies Will Be Hit Hard By Global Warming
...rticularly shore birds and waterfowl, areextremely sensitive to water levels -- both the amount of water available andthe timing of seasonal rainfalls. Their migration and breeding is threatened bya drier climate. Malcolm and Adam Markham of World Wildlife International havejust completed a year-long study on...Virginia Tech Researchers Assess Watershed Management For EPA, NSF
... "Fish and smaller forms of stream organisms are sensitive to changes infactors such as streamflow and water quality," says Diplas. "They are excellentbiological indicators of the effects of urban development. If their environmentis deteriorating, eventually the effects will be felt by humans." Wi......tics, new dyes as efficient fluorescent probes, sensitive photodetectors, and fast data processing, FCS a...y. This is at least one order of magnitude more sensitive as compared to other homogeneous endonucleolytic assays. As the authors pointed out, this tech...Lights, Camera ... Reaction: Charting The Biological Effects Of Light InBillionths Of A Second
...ic inquiry. "The protein we studied is exquisitely sensitive to light," explains Moffat. "Itis comparatively small, simple, water-soluble and extremely robust. If handledcorrectly it can tolerate intense repetitive stimulation from lasers, x-rays orlight, all the qualifications one would choose for an optical ...New Test Opens Window On Corrosive Free-Radical Activity In Individuals
...onal Academy of Sciences, is both simpler and more sensitive than onedeveloped earlier by the same group. Taken together, the two assays corroborateeach other and provide a powerful set of tools to address the role of freeradicals in health and disease. "Do healthy people derive any benefit from taking...Study Finds Some People Are 'Born To Smoke'
... to become smokers because theyare inherently more sensitive to the effects of nicotine---particularly thepleasurable effects---than people who are not tempted to smoke again. In a new study, researchers from the University of Michigan Medical School askedfemale smokers, ex-smokers, and non-smokers about the ...Microchip Sensor Detects Bacteria
...trategic points on a food production line or other sensitive area and tied to a central computer to monitor bacterial contamination. The use of nanotechnology to create a specific pattern on the surface of the silicon, say the researchers, is a demonstration of how methods developed in the microelectro...Study Finds Russian Women, Children Not Getting Enough Iron In Their Diets
...ate deficiencies," Kohlmeier said. "Brainand other sensitive tissue may suffer irreversible deficits." A report on the findings in the April issue of the American Journal ofPublic Health appears Thursday (April 9). Kohlmeier and his wife Lenore, alsoprofessor of nutrition and epidemiology, led the iron......in which we could impair a biofilm, making it more sensitive toantibiotics." Scientists are now learning that despite their reputation as ruggedindividualists, bacteria spend a considerable amount of time in communities.When a single, free-floating bacterium recognizes a surface, such as a rock in astream or c...