Scientists predict swift end to vCJD epidemic
...emic have been uncertain, with the estimated upper limit of cases in the UK as high as 50,000 only two years ago. These new predictions are more confident, with a comparable worst-case scenario of 540 UK cases between now and 2080. Dr. Azra Ghani, who carried out the work with other researchers from Pr...Mercury in packaged whale meat across Japan may be a major health problem
...whale product exceeded that country's provisional limit on mercury, with some samples containing almost 200 times the maximum value. The researchers also found that mercury levels were higher in whales caught off the coast of the southern part of the country. The findings are scheduled to appear in the Ju...Enzyme could overcome industrial bleaching waste problems
... is lasting for days where the typical performance limit for many industrial-use enzymes is a mere 10 hours." For the T. brockianus catalase, breaking down hydrogen peroxide in an industrial setting is just another day at the office. Within a microorganism, the enzyme's normal role is to break down hydroge...Secrets of drug resistance in bacteria
...here to strict potency and safety regulations that limit the extent to which they can be modified. Add to these restrictions a better understanding of AcrB's readiness to bind with an array of compounds, including the most carefully engineered antibiotics, and the job appears even more difficult. "Our wor...UCR scientists modify existing chemical scrubber to environmentally friendly, all-natural filter
...Scientists at UC Riverside have pushed the current limit of a technique for biologically removing hydrogen sulfide from sewage emissions a step further. Marc Deshusses, associate professor in the department of chemical and environmental engineering, and his postdoctoral researcher, David Gabriel, report i...Team jams bacteria 'talk' to boost bio-product yields
...els can lead to stress in the culture and severely limit product output. But scientists with CBR and partners have begun to decipher and override stress 'talk' among cells of recombinant E. coli. CBR is part of the University of Maryland Biotechnology Institute (UMBI). In separate fermentation experiment...St. Jude researchers reverse blood disease using genetically modified stem cells
...rcome two major technical obstacles that currently limit the success of gene therapy for human red blood cell diseases such as beta-thalassemia and sickle cell disease. The St. Jude team overcame the obstacle posed by the large number of defective hematopoietic stems cells (HSCs) producing faulty red bloo...The roots of human behavior? AAAS and The Hastings Center host a public meeting
...f-the-road approach, however, is that it imposes a limit to how much we can glean from studying the behavior of various family members. "In fact, we have very little ability to understand or pull apart how any of those individual genes contribute to television watching," he says. Nor is identifying specifi...Smart mathematical model prevents the spread of swine fever
...ulated that partial vaccinations do not exceed the limit for the outbreak of an epidemic. If the mother sow...nation the transfer of the virus remains under the limit and the epidemic eventually dies out. A disadvantage of complete vaccination is that the spread of t...Link made between dietary folate, genetic instability and bladder cancer risk
...opulation. "A good prevention practice would be to limit exposure to DNA damaging agents (of which cigarette smoking is the most relevant for bladder cancer) and to eat foods containing folates and folic acid, such as fruits, vegetables, and fortified cereal grains, or take a daily supplement of folic acid...Over-the-counter pain relievers effective in protecting against breast cancer
... investigations have shown that NSAIDs potentially limit breast cancer development, and preclinical studies have supported this finding by showing that they limit the growth of tumors in the breast. The primary mechanism of action of these drugs is the inhibitio...DHEA supplement shows no effect on Alzheimer's disease
... and the high number of people who dropped out may limit the findings of the study. He said that larger studies are needed to test these findings. The study was limited to people who were not taking medications that affect cognitive functioning, including drugs commonly used for Alzheimer's. Wolkowitz said...New book entertainingly tells 'What Good Are Bugs'
... chew their prey. Waldbauer also tells how insects limit production and plant growth. For example, the Asian long-horned beetle, a recent invader of many U.S. broad-leaf tree species, bores in the wood, feeds on the bark of twigs and mates on branches and trunks, weakening and often killing their hosts. To...Physics tip sheet #34 - April 1, 2003
...ious bound all the way down to 7.3%. To bring this limit down further will require direct measurements of neutrinos generated in the CNO cycle. Physics News Update: http://www.aip.org/enews/physnews/2003/split/629-2.html Journal article: Available to journalists on request 4) Electron searchlights from ...A new class of catalysts will help boost production, quality of transportation fuels
...units at refineries," Oyama said. "This will help limit the need for installing new units to achieve the federally mandated reductions of S and N in the final product." Oyama, the Fred W. Bull Professor of Chemical Engineering at Virginia Tech, completed his undergraduate work at Yale University and earne...Researchers develop first mouse model of epithelial ovarian cancer
...l to attach the oncogene to a regulator that would limit the cancer-causing gene's expression to the ovary, including the epithelial ovarian cells," explained Connolly. "Using this strategy, we have generated transgenic animals that develop epithelial ovarian cancer that spreads to the peritoneal organs, ...Common industrial chemical now linked to male infertility
...lity in humans." The current occupational exposure limit for TCE is 50 ppm (parts per million). However, this regulation is often difficult to enforce, Dr. Forkert says....Discovery may lead to first medical treatment for Celiac disease
...ponses that are a major part of celiac disease and limit the immunosuppression, this could lead to the first medical treatment to help the millions worldwide suffering from this genetic disease." Zengen's novel molecules were developed from more than 25 years of original research in the US, Europe and Asi...New strategies against disease revealed as scientists probe genes' tasks
...pital, in Washington D.C., said he is "pushing the limit with microarrays," by studying the different domains of gene expression within a single cell. One such domain is the junction where a nerve joins to a muscle cell. This information may have implications for treating Lou Gehrig's disease, or Spinal Mu...Scientists urge managers to limit use of destructive fishing gears
...age we don't allow people to drive over the speed limit just to get somewhere faster, we don't allow machine guns to hunt deer, and we need not allow wasteful destruction of our marine resources." Several U.S. states, including California, Alaska, Florida, and Virginia, already have regulations limiting ...