Inhaled steroids produce variable benefits in the treatment of asthma
...Clinical Research Network demonstrated that low to medium doses of inhaled steroids are usually sufficient t...d steroids, and consider other therapies if low to medium doses are not providing a clear benefit. Dr. Szefler recommends that doctors whose patients do not r...Environmental costs may be higher than you think
...dix and WSP Environmental helped several small and medium size businesses to implement informal Environmental Management Systems. Mandix and WSP Environmental are also expert service providers in environmental training and Continuing Professional Development....ORNL material could help pilots keep their cool
...gh surface area and a very effective heat transfer medium -- blood -- flowing between them and the rest of the body. "It turns out that the lungs can reject a large fraction of the waste heat the body generates under duress," Klett said. While the upper limit of respiratory heat rejection likely will be red...Dartmouth researchers expose weakness of common parasite
...er we could add pyrimidines to the parasite growth medium and actually grow the type of parasite mutant we were seeking. We simply had to test this experimentally," said Bzik. Using a novel genetic approach, Bzik and Fox knocked out the first and key regulatory enzyme, carbamoyl phosphate synthetase II, in...Prenatal alcohol exposure affects visual processing
...eye, that was identical in all ways except for the medium (visual or auditory). For example, the letter "X" would flash on the computer screen (for 85 milliseconds) in a random manner. The adolescent was instructed to press the space bar only when they saw the letter "A" precede the "X." Their task was t...Perception is stored in single neurones
...t variants: the nose, for example, could be short, medium or long. The monkeys were trained to distinguish between two different kinds of faces. In one category the eyes were low and widely spaced. In the other category they were high and narrow. Thus, the two features "eye separation" and "eye height" serv...Animal study finds embryonic stem cells can repair heart muscle
...rol group of rats received an equivalent amount of medium free of ES cells at the same three sites as in the damaged heart. Six weeks after transplantation, the researchers examined both groups of rats and found that MI damage was reduced in the animals that had been implanted with ES cells. The ES group ...Magnetic tag lets scientists track stem cells in living rat
...ing gadolinium, which is also useful as a contrast medium for MRI, but which is toxic if it stays in the body for a prolonged time. But animal cells have a process to deal with iron and a storage mechanism for the metal, making the iron-based dendrimers inherently safer, says Bulte. For instance, iron is a...Scientists awarded patent for coal-purifying bacteria
...," the scientists first cultured the bacteria in a medium containing small amounts of crude oil, supplemented with other nutrients. The bacteria that were able to survive in the presence of oil ("the fittest") were then transferred to a new culture medium, this time with a higher concentration of oil and lo...PET changes staging and treatment for newly diagnosed and recurrent lung cancer patients
...eatment or from surgery to radiotherapy. PET had a medium impact on management of 8 patients (13%), which ge...from palliative to curative. The PET results had a medium impact on 25% of the newly diagnosed patients. These changes were mostly in the area of radiation tr......vely charged sodium ions hydrated in the aqueous medium surrounding the DNA. Circulated by thermal energy in a random way, the diffusing sodium ions are attracted to specific locations in the DNA, such as the negatively charged phosphates that are part of the DNA backbone and certain atoms of the nu...Surprising link between body size and extinction risk
... that have gone extinct in the last 200 years were medium sized, and many biologists believe that this somehow predisposed them to extinction. New research debunks this belief and reveals another link between body size and extinction: small mammals are less likely to die out. This work is presented in the ...Rice center to study therapeutic and environmental imapct of nanotechnology
...terthe most abundant solvent on the planet and the medium of all lifeto develop new medical therapies and solve persistent problems in environmental engineering. The Rice center, one of six major Nanoscale Science and Engineering Centers funded by the National Science Foundation, is the first to focus on ap...Better computer modeling provides a new look at large biomolecules
...reating the solvent as one featureless polarizable medium -- essentially a big cloud of charge around a molecule such as a protein," he said. According to McCammon, the effectiveness of the PBE, which is called an "implicit solvent method," has made it one of the most popular bases for electrostatic modeli......a sample of closely related RNAs. RNA is the bodys medium for translating an individuals genetic blueprint, found in ones DNA, into all the proteins in the body, including those that fight disease, metabolize drugs and perform a host of other critical functions. Many gene families, like the important cytoc...Zebrafish could become genetics 'lab rat' of choice
...cocultured with RTS34st cells or their conditioned medium and disappeared by 5 days in the absence of the spleen cells. The RTS34st cells also inhibited melanocyte and neuronal cell differentiation in the embryo cell cultures. These results suggest that the RTS34st splenic stromal cell line will be a valua...How sensitive is your brain to alcohol-induced damage?
...ggest that alcohol-induced brain injury may be the medium for the progression of alcoholism. The summary, published in the February issue of Alcoholism: Clinical & Experimental Research , may change the way researchers think about the influence of alcohol-related brain injury on how people develop addicti...Dangerous beauty: Fungal flowers offer clues to biofilm formation on medical implants
At first glance, yeast growing on a jello-like medium look breathtakingly beautifullike gossamer flowers with radial spokes emanating from a central hub (see cover of Science). But a florid fungus can be a dangerous beauty, able to coat medical implants with thin films causing serious complications in ......ursig says, the Bowhead is unusual in that it is a medium size species of whale but it has the thickest blubber of any whale, a prized commodity of whalers. "The Bowhead whale doesn't migrate much and always stays near ice," Wursig adds. "It only inhabits certain areas of the northern and western Pacific Oc......ists to keep informed about new research through a medium many already utilize. "There is mounting evidence that IL-1 plays a fundamental role in the disease progression of rheumatoid arthritis," said Keith Leonard, vice president of rheumatology marketing at Amgen. "As the only online resource about IL-1,...