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Showing stories 901-925 out of 982 stories.
19-Jun-2001
Controlling carbon in hybrid poplar trees ORNL scientists are helping to search for genes that could allow the creation of trees that store more carbon and offer higher-value products. Contact: Billy Stair
19-Jun-2001
A model fish for pollutant studies The zebrafish is a model organism for studying the effects of endocrine-disrupting chemicals on gene and protein expression. Contact: Billy Stair
19-Jun-2001
SNS and biological research Three world-class biological instruments are being designed for the Spallation Neutron Source. They will help biologists determine the atomic-level structure of proteins and other signaling compounds that allow cells to communicate and coordinate activities across an organism. The research could lead to safer, more effective drugs. Contact: Billy Stair
19-Jun-2001
Microbe probe ORNL researchers are using gene chips, mass spectrometry, and computational analysis to understand what microbe genes do. Contact: Billy Stair
19-Jun-2001
Protein prediction tool has good prospects ORNL ranks high in its ability to computationally predict protein structures. The next step is to speed up predictions to facilitate the search for effective drugs. Contact: Billy Stair
19-Jun-2001
Human genome analyzed using supercomputer A computational analysis of the human genome by ORNL and UT researchers provides insights into what our genes do. Contact: Billy Stair
19-Jun-2001
The mouse house: From old to new While some ORNL mice are allowed to grow old for studies of aging, mutant mouse embryos are being frozen, awaiting birth after the new Mouse House is built. Contact: Billy Stair
19-Jun-2001
Lab on a chip used for protein studies ORNL's lab on a chip is being used commercially to identify proteins and shows promise for drug discovery and disease screening. Contact: Billy Stair
19-Jun-2001
Rapid genetic disease screening possible using laser mass spectrometry Laser desorption mass spectrometry is emerging as a new tool for screening populations for various genetic diseases Contact: Billy Stair
19-Jun-2001
Protein identification by mass spectrometry ORNL researchers are improving mass spectrometry tools to speed up protein identification and to screen for disease-causing proteins and bacteria. Contact: Billy Stair
19-Jun-2001
Surprises in the mouse genome In the live organism, not all mouse and human genes have predictable functions, and proteins with similar structures can have different functions. Contact: Billy Stair
18-Jun-2001
Search for signs of inflammatory disease You fall on your shoulder and tear some cartilage, causing bone to rub against bone. Your shoulder becomes inflamed and begins to hurt because cytokine, a small signal protein secreted by your immune system, has recruited white blood cells to clean up the damage. Contact: Billy Stair
18-Jun-2001
Curing cancer in mice ORNL researchers have shown that a radioisotope-bearing antibody can target the blood vessels of lung tumors in mice, destroying the tumors. Contact: Billy Stair
18-Jun-2001
MicroCAT 'sees' hidden mouse defects ORNL's X-ray computed tomography system allows internal defects and organ changes in small animals to be mapped. Contact: Billy Stair
18-Jun-2001
Obesity-related gene in mouse discovered at ORNL Some mice born at ORNL have grown dangerously fat, even though they have been on a low-fat diet since birth. Although they do not appear overweight, these mice have a mutated gene that plays a strong role in causing obesity in the form of internal fat deposits that are hazardous to their health. Contact: Billy Stair
18-Jun-2001
Mouse models for the human disease of chronic hereditary tyrosinemia When a section of mouse chromosome 7 containing the coat color c gene is deleted by exposing mice to radiation, "albino" mice are born with a white, hairless coat. Contact: Billy Stair
18-Jun-2001
Searching for mouse models of human Mutant mice are tested by ORNL researchers and their collaborators to determine if these mice have diseases similar to those that afflict humans. Therapies tried on mouse models could lead to new medical treatments. Contact: Billy Stair
18-Jun-2001
Gene chip engineers At ORNL, microarrays are being made faster and cheaper to study gene expression in cells from mice, fish, and other organisms. Contact: Billy Stair
18-Jun-2001
Complex biological systems in mice Using genetic engineering, gene microarrays, and computational technologies, ORNL researchers are deciphering genetic variations in the skin that lead to increased risk of disease from environmental factors. Contact: Billy Stair
18-Jun-2001
Genes and proteins Consider a living cell, the fundamental unit of life. Each human cell contains the entire human genome—some 35,000 genes. But only some genes are expressed within a specific cell, resulting in the production of specific proteins. The genes that turn on in a liver cell, for example, are different from the genes that are expressed in a brain cell. Contact: Billy Stair
18-Jun-2001
Pricing programs spur growth of renewable energy technologies "Green pricing" is an option utilities use to allow consumers to help support electrical production from renewable resources such as solar and wind. A new study by the National Renewable Energy Laboratory (NREL) identifies key factors for ensuring the success of "green pricing" programs and ranks programs nationwide for their relative effectiveness. Contact: Gary Schmitz
14-Jun-2001
Urban air quality — The difference between night and day The U.S. Department of Energy's Pacific Northwest National Laboratory and a collaboration of researchers measured the differences in air quality at sunrise in Phoenix, Arizona, in one of the most comprehensive studies ever done on the vertical structure of air pollution over a major urban area. Contact: Dawn White
14-Jun-2001
New findings on breast cancer reported at the annual AAAS meeting New experimental findings by the Lawrence Berkeley National Laboratory (Berkeley Lab) cell biologist Mary Helen Barcellos-Hoff show that exposure to ionizing radiation creates a microenvironment in the tissue surrounding breast cells that can cause even nonirradiated cells and their progeny to become cancerous. The discovery suggests new and possibly more effective means for preventing breast cancer. Contact: Lynn Yarris
4-Jun-2001
MAXIMA unveils high resolution picture of the early universe New evidence derived from measurements of minute variations in the temperature of the cosmic microwave background (CMB) have produced a new diagram of sound waves in the dense early universe. The graph, called a CMB "power spectrum," not only shows a primary resonance but is consistent with two more harmonics, or peaks. Contact: Paul Preuss
4-Jun-2001
Atomic scale tinker toys Nanotechnology offers a potential cornucopia of benefits, from palm-sized supercomputers to synthesized antibodies to molecular-scale robots. Such wonders will be constructed from the ground up using nano-sized building blocks. Contact: Lynn Yarris
Showing stories 901-925 out of 982 stories.
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