Wheelchairs biomechanics, prosthetic development
...elationship in female wheelchair athletes (WAs) to determine the appropriateness of using American College of Sports Medicine (ACSM) target heart rates for training prescription. Ten WAs completed a series of physical activities on a wheelchair ergometer. Oxygen uptake and heart rate were recorded. Limited exe...Malignant cancer cells generate mice through cloning
...se epigenetic components, such as methylation, can determine if a gene is silent or active. Konrad Hochedlinger and Robert Blelloch, postdoctoral researchers in the Jaenisch lab, studied whether any of these epigenetic influences can be reversed. First, they removed the nucleus from a melanoma cell and injec...Ecologist calls for creation of an international panel to assess human behavior
...t, he added. ''The MAHB at a minimum would need to determine where and how human behavior must change if any semblances of today's societies are to persist,'' Ehrlich explained. ''Behavioral scientists and lay persons alike must do that most difficult of all tasks - examine their own values, see how they relat...Lake research offers clues to managing crayfish invasions
...re lake in northern Wisconsin. The objective is to determine whether fish and aquatic populations, decimated by the invaders, will grow in number as crayfish are removed. Stephen Carpenter, a UW-Madison zoology professor and researcher at the Center for Limnology who is involved in this research, says: "If th...New glycan arrays discover autoimmunogenic activities of SARS-CoV: concern over monkey vaccine
...munologic probes that were subsequently applied to determine whether SARS-CoV-infected monkey cells expresses antigenic structures that mimic the complex carbohydrates on human glycoprotein. Question about autoimmune responses in SARS pathogenesis Expression of ASOR-like complex carbohydrates by coronaviruse...New UCF researchers, college will help fight Alzheimer's disease, cancer
... for one in Central Florida. An ongoing study will determine the viability of a medical school, for which UCF would need the approvals of the Board of Governors, the Legislature and the governor....Spring through fall, cities are greener longer than neighboring rural regions
...ntly changed Earth's ecosystems. In an attempt to determine the effect that the urban heat island phenomenon h...eam used "nighttime lights" data and MODIS data to determine the size of the urban areas studied. To determine the radiating effect of urban heat islands on vege...Firefly compound lights up 'protein dance' in living animals
...lit up. The three brightest were further tested to determine which pair of fragments worked best. In a line of experimental mice, scientists genetically fused one member of the best pair of luciferase fragments onto the protein targeted by rapamycin, attaching the luciferase fragment to the specific portion o...Study reveals surprising 'remodeling' property of gene regulation process
... used the yeast genome as an experimental model to determine if chromosomal remodeling actually occurred. "The yeast genome is very simple compared to the human genome, but yeast are quite responsive to their environment," Lieb said. By varying the food source given to the yeast, the authors demonstrated that ...Forest fire sensor inspired by nature
...ant to perform more tests on their little model to determine the limits of this new method of measurement. This...tions of his sensor and mature the technology. To determine where the limits of this monitoring principle lie he also wants to make precise measurements of his ...LICR/UCSD team solves mystery of centromeres
...ometry developed at the UCSD School of Medicine to determine how a protein called CENP-A, turns the normally flexible center section of a rod-shaped chromosome into a steel-like structure called a centromere. A crucial player in the complicated process of cell division, the centromere is responsible...Virtual counselor supplements traditional genetic counseling
...ectiveness with standard genetic counseling and to determine when the computer program could be used alone and when it should be used in combination with genetic counseling. Study volunteers were recruited at six U.S. medical centers: Penn State College of Medicine, Hershey, Pa.; Lehigh Valley Hospital ...Scientists suggest framework for epigenetics in common disease
...hnologies to quickly, accurately and inexpensively determine which epigenetic marks are present and where they are, much as "high-throughput" technology revolutionized genetics. "That kind of power is needed to create comprehensive epigenetic information, but right now the technology doesn't exist," says Feinb......nd then use experimental and simulation results to determine the internal and external forces at work on athletes' bodies when they maintain balance, change directions, sprint, flip or land," said McNitt-Gray, who directs the Biomechanics Research Laboratory on USC's University Park campus. The field is calle...Springtime blooms seen earlier now than in the past, say Boston University biologists
...rs combed herbarium records dating back to 1885 to determine when plants had flowered in the past. They focused on records for 229 plants, all of which are still alive and blooming in the Arboretum. By comparing current flowering dates of the woody plants selected with their past flowering dates...NSF awards $10 million in grants to ocean sites for long-term ecological research
...nity structure and diversity; and the factors that determine the abundance and dynamics of related populations. "This understanding," says Taylor, "will allow us to make more accurate predictions of how coral reef ecosystems respond to environmental change, whether human-induced or from natural cycles." The ...Ocean scientists assess impact of seismic pulses in effort to protect whales
...ns were fired in various combinations, in order to determine the radius of the emitted sound in the water at various frequencies and decibel levels. Tolstoy notes that since passage of the Marine Mammal Protection Act in 1972, ships operating in U.S. waters must adhere to increasingly strict guidelines, in ord...Gene therapy reaches muscles throughout the body and reverses muscular dystrophy in animal model
...gulatory approval for a limited trial in humans to determine the safety of a very small amount of the vector in human muscle. If the experiments take place — and if results are encouraging — researchers would continue to test the method in larger animals and hopefully eventually humans. But Chamberla...Briggs takes to the molecular level Darwin's findings on plants sensing the direction of light
... of the blue photons on which the seedling cues to determine the direction of light. The molecule, known as phototropin, is now being intensively studied because of its unique properties by chemists and biophysicists as well as plant biologists. Professor Briggs began experimenting on how plants detect the d......onnect with each other," Sanes says. "We wanted to determine how these special sites form." As the early nervous system develops into a dense tangle of neurons, synapses sprout at places where neurons grow close to one another. In order for a synapse to actually form, Sanes and Umemori believed, certain key mo...