Wheelchairs biomechanics, prosthetic development
...ual wheelchair users from injury, pg 385This study compares the propulsion biomechanics of manual wheelchair users with and without upper-limb impairment. Forty-seven manual wheelchair users propelled an instrumented wheelchair ergometer while a 3-D motion analysis system collected joint kinematic and tempora...Genetic mutation found that is major contributor to type 1 diabetes
...hildren with diabetes, Dr. She said. That approach compares with traditional forward genetics a cumbersome process they liken to looking for a needle in a haystack which narrows the search by predicting which of some 40,000 genes might be involved in a disease based on what scientists already know about the...Protein controls acid in cells by direct detection of volume changes, study finds
...ects of cell biology," he said. The new study also compares NHE1 to another, very similar transporter called NHE3, which is found only in the kidneys. "We found there are very specific differences in the way these two systems respond to changes in the cell," Dr. Hilgemann said. "For example, the one in the k...Microscopy scans show how brain cells process energy
...lood oxygenation (fMRI) -- Kasischke explained. He compares PET and fMRI scans to pictures from cameras with slow shutter speeds and wide-angle lenses, producing a broad view over a relatively lengthy time span. A very different picture emerges from multiphoton microscopy, which can record millisecond change...Avastin-Tarceva combo provides 'one-two' punch against lung cancer
...rcent, while median survival was 12.5 months. This compares to about 10 percent response and between six and eight months median survival with traditional therapy or erlotinib alone, said Alan Sandler, M.D., associate professor of Medicine and director of the lung cancer clinical program at Vanderbilt-Ingram....Adaptation, niche conservatism, and convergence
...Naturalist, David D. Ackerly (Stanford University) compares the evolution of twelve lineages of the California Chaparral. Which came first--trait or environment? This question lies at the heart of the study of adaptation by natural selection. In Mediterranean-type climates, many woody plants have small, tough...Brace therapy for osteoarthrisis, legal issues in TBI research, prosthetic fitting
...rms axillary crutches in gait test, pg 195 Study compares the performance of the Easy Strutter Functional Orthosis System (ESFOS) to axillary crutches on flat surfaces and stairs. Thirty-eight volunteers with a unilateral total knee or hip replacement were monitored for heart rate, average palm and foot for...More evidence of major global extinctions
...ies had decreased in the twenty-year period. This compares to 71% decline in butterfly species (over about 20 years) and 28% of plant species (over about 40 years). The fact that these losses are found in butterflies and plants, as well as birds, shows how all-embracing have been the impacts of human activi...Small amounts of alcohol or anesthetics may damage the developing brain
...ll suicide, it might be possible to prevent it. He compares the process to a line-up of dominoes in which one step triggers the next, but by understanding that cascade, he hopes it might be possible to intervene. "We're going to see if there are some steps in that line-up of dominoes that we can interfere wi...Algorithms help diagnose cancer
...tests, resulting in better accuracy. The algorithm compares the molecular fingerprint of each sample to identify features that differ between the healthy and disease states. "Our algorithm detected ovarian cancer with virtually 100% accuracy and prostate cancer with approximately 95% accuracy," explains Lili...Other highlights in the February 4 issue of JNCI
...here is little information available that directly compares these two approaches. Jennifer J. Telford, of Brigham and Women's Hospital, and Sapna Syngal, M.D., of Dana-Farber Cancer Institute, and colleagues developed a decision analysis to compare the two strategies, paying particular attention to the effec...... to see each phase of enzyme activity clearly. She compares it to attempting to capture on film the swirling of syrup being mixed into cake batter one has to gauge at what points individual stages of the process will be most visible. Building an animated sequence from individual frames, the scientists are...Emerging frontiers genomics grant for blue-green bacteria
...nd to produce more fixed nitrogen, a process Meeks compares to domestication of cattle to produce milk. An ultimate goal of the research is to learn about the process so that crop plants could be engineered to domesticate Nostoc, Meeks said. Existing crop plants that fix nitrogen, such as beans, form a relat...New advances in thrombosis help further understanding of disease prevention
...ment surgery." The trial, led by Dr. Francis, compares the safety and efficacy of ximelagatran, a novel oral direct thrombin inhibitor, to warfarin for prevention of venous thromboembolism in total knee replacement patients. As a direct thrombin inhibitor, ximelagatran in its activated form selectively ...Even more 'couch potatoes' in Brazil than in the United Statesbut theyre starting to move
...e Brazilians surveyed reached that objective. That compares with a figure of 25.4% for adults in the United States in 1998, according to information from the U.S. Centers for Disease Control and Prevention. The data used for the analysis in Brazil came from that country's first-ever national household survey......nnual Meeting in New Orleans. "This study directly compares simple word reading across the age range from school children to adulthood," says principal investigator Bradley L. Schlaggar, M.D., Ph.D., assistant professor of neurology, of radiology, of anatomy and neurobiology and of pediatrics. "By helping us ...Rutgers to create ultra-tiny 'bio-nano' motors under National Science Foundation grant
...r in a multi-component bio-nano system." Mavriodis compares developing bio-nano motors to designing the internal combustion engine, which later was combined with other components to develop such history-changing advances as the automobile and airplane. "Two years ago, our ideas seemed very ambitious, like sci...Historical coral reef declines featured in this week's Science
...I, and a large group of colleagues. Jackson often compares a researcher or resource manager informed by history with a physician who is much better able to cope with an emergency when s/he has access to the patient's medical history. John Ogden, professor of Marine Ecology at the University of South Florida ...Genomes of tiny microbes yield clues to global climate change
...hy at the University of Washington, reports on and compares the DNA sequence of two Prochlorococcus strains. In the other, a team led by Brian Palenik of the Scripps Institution of Oceanography at the University of California, San Diego, describes the Synechococcus genome. The PNAS paper, written by a team le...First proof that polycystic ovarian syndrome is more than twice as common in lesbian women
...terosexual) was 52% for PCO and 24% for PCOS. This compares with European data that show that the prevalence of PCO in the general population is 22% and 10-15% for PCOS, while 40% of all women who seek fertility treatment have PCO/PCOS. Dr. Agrawal said: "We observed a significantly higher prevalence of PCO/P...