Tag: "methods" at biology news
News Backgrounder: Duke Primate Center Successfully Fosters Mysterious Aye-Ayes
...ls can tear apart looking forgrubs. "These feeding methods
are not directly a medical problem, but it'ssomething you have to do to ensure the overall well-being of the animal," saidWilliams. The Primate Center has developed its aye-aye diet and feeding techniquesas a result of some difficult lessons ...
UNC-CH Researchers Develop Promising Heart Research Tool
... hours and willallow use of the most sophisticated methods
for studying cells, he said. "For the first time, we now will be able to really look at theinteraction between the normal and damaged tissues and address cells of whythese arrhythmias occur," the scientist said. "Once one understands mechanis...
Weevils Wipe Out Killer Weeds In Papua New Guinea
...e weed with herbicides and so alternative control methods
were sought. "Firstly, we needed to locate water hyacinth outbreaks and determine the extent of the problem," says Mr Julien. It was found to be much more widely-spread than previously thought with infestations in about 250 locations. The ...
Purdue Golf Course Serves Double Duty As Research Lab
... variety used on golf courses. Investigating methods
to control annual bluegrass, which is the No. 1 w...es on the new golf course to study which planting methods
may reduce transplant shock of new trees. "We're trying 11 different treatments, plus a contro...
Pool Of Latently Infected, "Resting" Cells Established Early In HIV Infection
...enhancing a weakened immune system; and developing methods
to deliberately purgethe reservoirs by activating the resting cells to produce virus under the coverof HAART. Dr. Fauci's Geneva lecture is available on the World Wide Web at http://webcast.aids98.org (see plenary sessions for June 30, 1998). Co-au...
Groundwater Injection Process Filters Out Contaminants
...deits one-time installation -- an improvement over methods
such as pump and treatthat are conducted over long...ovedover a one-week period. Unlike pump and treat methods
of remediation, thebarrier remains effective for up to 30 years. "Monitoring of test results...
New Alzheimer's-Associated Mutation May Provide Key To Disease Process
...zheimer's. Employing new family-based association methods
-- tools thatidentify disease genes based on differences observed within families -- theyfound that a particular gene mutation called A2M-2, in which part of the gene ismissing, was strongly associated with Alzheimer's. The family-based associationto...
Security Code Helps Immune Cells Attack Foe And Spare Self
...he restingcell and during activation, but previous methods
failed to reveal this, so noone could make heads or tails of it," says lead researcher Paul M. Allen, Ph.D.,the Robert L. Kroc Professor of Pathology at Washington University School ofMedicine in St. Louis. "We tried a different approach, and an eleg...
Researchers Develop Fast Screening Method For Water Testing
... Until now, there have been few screening methods
for use by companiesand environmental agencies charged with monitoring the nation's water supplies.Accurate water sampling of a large water system such as a river may requiretesting of as many as 100 samples from different locations in the river.Curr...
United States And Ukrainian Governments Establish Permanent Chernobyl Laboratory
..., are very subtle andrequire precise and intensive methods
to uncover. While some effects are obvious, such as large tracts of dead pinetrees, and over one hundred abandoned villages and towns, the legacy ofenvironmental radiation, such as that released by Chernobyl, is definitely not anuclear desert." ...
Putting A Price Tag On Pollution
...lowbuilders and publicofficials to begin using his methods
to make reliable predictions about thespread of po...ays. If a siteis already tainted bypollutants, his methods
will help the land owner and public officials predictwhere and howquickly the contamination will mov...
Scientists, Philosophers Discuss How To Evaluate Data, Error
...ositions about the most fruitful and most reliable methods
to use inmaking scientific inferences in ecology. ...entificknowledge," Mayo says. "There are competing methods
for interpreting data andeach may yield very different assessments of what the risks are in the firs...
Salamanders May Reveal Best Way To Manage Forests
...aining populations ofsalamanders than regeneration methods
such as group selections, which requirerepeated entry into the stands." In a poster presentation, Knapp and Haas show the impacts of timberharvesting on surface activity in terrestrial salamanders. These creatures spendmost of their time in c...
New Satellite Tags Track Movements Of Atlantic Bluefin Tuna
...s the satellite tags apart from other fish-tagging methods
is the factthat scientists can recover the data without relying on tagged fish being caughtand the tags voluntarily turned in to their labs by fishermen. Historically, about 13 percent of conventional bluefin tags ;have beenrecovered. In the 1996 and...
Duke Studies Show U.S. Central Plains Vulnerable To Global Warming
...ported other basic ecologicalstudies that included methods
to predict tree mortality, the effects ofseed-eating predators on the production of seedlings and how seed dispersalaffects biodiversity. This work was sponsored by the National ScienceFoundation. In their studies of climate changes in the C...
University of Florida Research Shows Zinc Triggers Body's Defenses
...study is the first to apply genetic fingerprinting methods
likethoseused in criminal and paternity investigations to understanding hownutrients directly affect the inner workings of human immune cells, Cousinssaid. In the study, 12 men took 50 milligram zinc tablets -- the typicalstrength ava...
Alaska Sea Grant To Convene Ecosystem Considerations In Fisheries Management Conference
... of ecosystem processes. Although well-established methods
exist to apply stock assessments and biological reference points,further progress must be made if ecosystem considerations are to result in tangible fishery managementadvice. Ecosystem processes also include the effects of nutrient additions from fis...
University of Texas Southwestern Ophthalmologists Find Link Between Dry Eyes And Defective Lipid
...ect, we think we'll soon be able to develop better methods
for treating dryeye resulting from over-evaporation, (a problem that potentially affects 50percent of all patients with keratoconjunctivitis sicca)," said McCulley, holderof the David Bruton Jr. Chair in Ophthalmology. The researchers' findings were ...
Research Team Finds Gene Causing Two Types Of Muscular Dystrophy
...r disorders and eventually could lead to treatment methods
that addressspecific muscle defects. The muscular dystrophies are genetic diseases characterized by progressiveweakness and deterioration of the skeletal muscles, which control movement. There are nine major forms of muscular dystrophy, some of which...
Envisioning Ions With INEEL-Developed Simulation
...rotethe user interface, and improved the numerical methods
that the program uses tocalculate each ion's trajectory. The program was passed from scientist toscientist around the world, and over the years successive versions of theprogram have gained a widespread user community. Each generation of SIMION "an...
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