A treatment, not a cure: Calcium silicate neutralizes an acidic stream
...e fluctuations in water chemistry. Recognizing the limitations of limestone, Likens and colleagues looked to another material to neutralize an acidified stream at Hubbard Brook-- Wollastonite. Over one hundred and thirty pounds (61kg) of this naturally occurring calcium silicate mineral, mined from the Adironda...Australian expertise helps resurrect Iraq's ancient marshlands
...people. With his team, he set out to establish the limitations of soil and water resources to agricultural production in both drained and re-flooded areas. This information was to be used to develop a set of practical indicators to help the local people interpret signs of soil and water degradation, and to dire...Consuming fruits and vegetables lowers risk of developing NHL
... "This type of study design has some limitations because we are asking people who already developed cancer to remember how often they ate fruits and vegetables in the year prior to cancer diagnosis," said Dr. Linda Kelemen, RD, ScD, of Mayo Clinic College of Medicine, and lead investigator of the s...Stimulating nerve cells with laser precision
...individual toes, demonstrating accuracy beyond the limitations of electrical stimulation. Immediately following the experiment, the rats regained full use of their legs with no signs of weakness or damage. Konrad, who is also director of the Vanderbilt Functional Neurosurgery program, points out that neur...Automated scans let scientists track drugs' broad effects on cells
... key indicators of drugs' potential usefulness and limitations as medicines." "We actually started out on this project thinking that this could be a good research tool," adds Wu, research fellow at the Bauer Center. "We've now discovered, to our surprise, that it may also prove a powerful tool for drug discove...Scientists achieve self-assembly of spider silk fiber in insect cells
... produce the spider fibers in quantity without the limitations of having to do this within insect cells. "The research enabled us to determine the close connection that exists between the sequence, structure and functions of the proteins," said Dr. Gat. "From a practical viewpoint, mass production of fibers, wh...UCSD biologists identify gene in corn plants that may have paved way for development of maize
...wer, but much larger, ears. This suggests that the limitations to branching imposed by some combination of the barren stalk1 and other genes that were selected for by the early plant breeders allowed the early genetic mutants of teosinte to concentrate more of the plant's resources into producing bigger ears tha...Gene therapy reduces skin cancer to sunburn in mouse model
...opriate gene. Once some of the existing technical limitations are solved these studies can hopefully be extended to trials with human XP patients." Other UT Southwestern contributors to this research are Maria Carolina N. Marchetto, visiting student and lead author, and Dr. Dennis Burns, professor of p...Researchers improve predictions of cloud formation for better global climate modeling
..., physics-based equations that address some of the limitations of current methods for representing cloud formation in global climate models important because of increased aerosol pollution that gives clouds more cooling power and affects precipitation. The National Science Foundation (NSF)-funded researchers, ...Agilent Technologies announces breakthrough for cancer researchers studying chromosomal changes
... recent years to use microarrays to overcome these limitations have been hampered by inadequate sensitivity, specificity and flexibility of the microarray platforms. As detailed in the PNAS paper, Agilent's breakthrough is founded on the modification of its gene-expression profiling microarray technology to im...National Academy news: Water quality improvement in southwestern Pennsylvania
...rol plan and similar documents because of the data limitations and technical and institutional complexities that exist in southwestern Pennsylvania, the committee said. Furthermore, ALCOSAN and other wastewater treatment providers should investigate decentralized and innovative alternatives such as storing and ...A new New Year's reason to work out: Exercise improves three measures of heart protection
...art disease risk are needed." Despite the inherent limitations to the cross-sectional study, the authors emphasize that their research shows that "increased physical fitness is associated with risk reducing hemostatic profiles in postmenopausal women, which may lead to significant health benefits." Source and f......he wrong scales, which has been constrained by the limitations of their recording and visual observation abilities. Suddenly you realize that the whales sense of scale is ocean basin sized one song note is 20 miles long and can illuminate the entire basin, he says. Clark has observed that the distribution of si...JCI table of contents April 1, 2005
...mouse models of XLP have been generated, they have limitations due to differences in how mice and man develop the disease. In a study appearing online on March 3 in advance of the April 1 print issue of the Journal of Clinical Investigation, Stuart Tangye and colleagues from Centenary Institute investigate defe...Highlights of chemical society national meeting in San Diego, March 13-17
...sium will focus on the challenges, adaptations and limitations of life in these extreme environments, where physical harshness such as temperature, acidity, salinity, dryness, pressure and toxicity are maximum. The spectrum of possibilities for life in extreme environments on Earth will enlighten the search fo...'You can't buy conservation,' suggests survey of Africa's rain forest parks
...tudy, but it was the only realistic approach given limitations in time and money. To do this study properly would take a least a decade and millions of dollars. "However, this study does reveal what very knowledgeable people with extensive field experience think about the factors that contribute to park success,...Ophthalmologists and physicists team up to design 'bionic eye'
...for reading books and using the computer. Physical limitations regarding electrical stimulation most likely make it impossible for implants to impart a visual acuity of 20/10 (the sharpness required to see the bottom line on an eye chart), 20/20 (the so-called standard of good vision) or even 20/40 (the level to...Virginia Bioinformatics Institute researcher receives NSF CAREER award
...REER project is to address the basic technological limitations that impede fast proteomic investigations. "Microfabrication is emerging as one of the most significant trends in analytical chemistry instrumentation," Lazar said. "Microfluidic devices present unique opportunities for integration and multiplexing ...Can money grow on trees? Win-win strategies for 'sustainable bioprospecting'
...egulatory environment in source countries, and the limitations of international processes governing this process (the most important being the CBD and the Agreement on Trade Related Aspects of Intellectual Property Rights, commonly known as the TRIPS Agreement). "If biodiverse countries are to attract much-need...Migration study finds that sweeping management changes are needed to protect Atlantic bluefin tuna
...iac physiology studies that highlight the physical limitations of these fish. "Warm water holds less oxygen than ... more than two hours. Lab studies suggest that the limitations to the tuna may be that its cardiac system cannot be pushed any further at the warm end of the perfo...