Weizmann Institute scientists discover a control mechanism for metastasis
... from the original tumor and migrate via the blood stream to colonize distant organs is the main cause of cancer death. A team of scientists at the Weizmann Institute of Science has now revealed new details about the mechanisms controlling metastasis of breast cancer cells. Their findings, published recent...Cell damage caused by brushing may help keep gums healthy
...logist, injected a fluorescent dye into the blood stream that can only get into torn cells. They then brushed the teeth, gums and tongue of rats with a modified electric toothbrush. We saw lots of bright cells, says Dr. Miyake, co-director of the MCG Cell Imaging Core Facility. (W)e suggest that, in add...New aerogels could clean contaminated water, purify hydrogen for fuel cells
... in elements that bind the poisons that are in the stream or ones that bind the hydrogen so you let everything else fall through," Chupas said. For example, gels made with open platinum sites would extract carbon monoxide, a common catalyst poison, he explained. The research team had not intended to creat......sion, and vegetation type provide benefits such as stream shading and water temperature maintenance, fish and wildlife habitat, or sediment control; there may be other buffer characteristics more favorable in removing nitrogen. In any case, watershed nutrient management efforts also must include control and...Presence of wolves allows aspen recovery in Yellowstone
...of trees and shrubs opened the door to significant stream erosion. Beaver dams declined. Food webs broke dow...thor on the study. There were so many elk, and the stream ecosystems were in such poor shape. The level of recovery were seeing is very encouraging. The OSU...A new report, 'Where Does the Nano Go? End-of-Life Regulation of Nanotechnologies'
...ered nanomaterials will ultimately enter the waste stream and find their way into landfills or incineratorsand eventually into the air, soil and water. As a result, it is important to consider how various forms of nanomaterials will be disposed of and treated at the end of their use, and how the regulatory ...White blood cells are picky about sugar
...albicans, which is the most common fungus in blood stream infections. She used an enzyme to digest beta-1,6-glucan from the fungal cell wall, leaving the beta-1,3-glucan intact. She then unleashed the neutrophils on these altered cells and observed a 50 percent reduction in the immune response. Our bodies...Loss of hemlocks will affect water dynamics in southern Appalachian forests
...l moisture and alter both the amount and timing of stream flow. The duration of these changes will depend on how other vegetation responds to the loss of hemlock. ...From the corner of the eye: Paying attention to attention
... receptive field. Whats more, attention caused the stream of spikes produced by the narrow-spiking neurons to be much more reliable. "By distinguishing among the different neural elements that make up the cortical circuit, we are gaining a view of the biological underpinnings of attention that is unprec...University of Cincinnati receives $1.7M to research molecular treatment of brain injury
... Brain cells and immune system cells in the blood stream alter their function and essentially gather at the damage site, Strauss says. They can proliferate and release chemicals that cause the region to swell up. In their effort to either cordon off or repair the damage, they can also constrict blood vesse...New approach to pulmonary hypertension shows promise
...oor to a new strategy and the development of a new stream of drugs to treat this complex and lethal disease," said Dr. Evangelos Michelakis, director of the U of A pulmonary hypertension program and senior author of the study, which appears today in the Proceedings of the National Academy of Sciences. Muc...Modern brains have an ancient core
...ch as the hypothalamus and secreted into the blood stream that distributes them around the body. Researchers from the European Molecular Biology Laboratory (EMBL) now reveal that the hypothalamus and its hormones are not purely vertebrate inventions, but have their evolutionary roots in marine, worm-like an...Ossur's PROPRIO FOOT takes the Gold 2007 Medical Design Excellence Award
...he next step. Acting. The AI transmits a constant stream of signals which instruct high-precision actuator technology to act and deliver optimal function. Expertise in real-time motion analysis for the foot was provided by Canadian company, Dynastream. The Medical Design Excellence Awards competition ...OSA symptoms more common among African-American women than Caucasians
...treatment for sleep apnea. CPAP provides a steady stream of pressurized air to patients through a mask that they wear during sleep. This airflow keeps the airway open, preventing the pauses in breathing that characterize OSA and restoring normal oxygen levels. ...Agonized death throes probable cause of open-mouthed, head-back pose of many dino fossils
...he common explanation - that the animals died in a stream and were washed into an eddy or backwater. The authors also point to a fossil of Allosaurus, a T rex-like animal, that displayed bone lesions suggestive of a bacterial infection that also can lead to meningitis, a disease that can produce opithoton...Soils offer new hope as carbon sink
...lysis plants will be built where there is a steady stream of green or other biomass waste providing clean energy that is carbon negative," Dr Van Zwieten said. "But until pyrolysis plants are up and running, the availability of agrichar for farmers will be scarce."...Nobel laureate James Watson receives personal genome in ceremony at Baylor College of Medicine
...lion-well DNA sequencing plate. The sequence data stream into a computer for subsequent analysis. The HGSC verified the accuracy of the sequence and determined whether it encompassed everything in the genome. This helped validate the new technology developed by 454 Life Sciences that made the project pos...Research identifies protein that signals flowering in squash plants
...r the analysis of translocation through the phloem stream have been developed in this system. However, most cucurbits are day-neutral plants, and to investigate the nature of the florigenic signal effectively, it was essential to utilize an obligate SD plant. In day-neutral plants, it is not possible to man...Essential tones of music rooted in human speech
...which create a series of resonant power peaks in a stream of air coming up from the lungs. These power peaks are then modified in a spectacular variety of ways by the changing shape of the soft palate, tongue, lips and other parts of the vocal tract. Our vocal anatomy is rather like an organ pipe that can b......inant sources of fecal bacteria found in water and stream sediment samples at the main study site located in an upper reach of the creek. While the two methods led to similar overall interpretations, using both methods together gave us a clearer picture of potential sources and the strengths and weaknesse...