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Groundbreaking study on complex movements of enzymes
A groundbreaking study has revealed in great detail how enzymes in the cell cooperate to make fat. These enzymes are integrated into a single molecular complex known as fatty acid synthase. This complex is regarded as a potential target for developing new anti-obesity and anti-cancer drugs. view more (2009-02-12)
Supernova radiation simulated in Virtual Reality
To astrophysicists, the energy-charged x-ray radiation on the fringes of a supernova explosion has long been enigmatic. It hasn't been possible to explain how the electrons are able to accelerate to nearly the speed of light. Now scientists in England and in Linköping, Sweden, have hit upon a possible explanation by combining supercomputer... view more... (2001-12-20)
Chest X-ray exposure may increase likelihood of breast cancer
An analysis of 1,600 women with BRCA 1/2 mutations suggests that exposure to chest X-rays may increase the risk of breast cancer, and that exposure before the age of 20 may be linked to particularly heightened risk. view more (2006-06-27)
Study gives clues to increasing X-rays' power
Three-dimensional, real-time X-ray images of patients could be closer to reality because of research recently completed by scientists at the University of Nebraska-Lincoln and a pair of Russian institutes. view more (2009-06-16)
X-Rays Examine Colliding Galaxies
Galaxies were once thought of as `island universes` evolving slowly in complete isolation. This is now known not to be the case. By using the world`s most powerful X-ray observatories, UK astronomers are discovering that most of these gigantic star systems interact with each other in a wide variety of ways. During the UK National Astronomy Meeting... view more... (2002-04-07)
Chandra looks back at the Earth
In an unusual observation, a team of scientists has scanned the northern polar region of Earth with NASA's Chandra X-ray Observatory. view more (2005-12-30)
X-rays provide a new way to investigate exploding stars
ESA's X-ray observatory XMM-Newton has revealed a new class of exploding stars - where the X-ray emission 'lives fast and dies young'. view more (2007-05-10)
Argonne scientists use lasers to align molecules
Protein crystallographers have only scratched the surface of the human proteins important for drug interactions because of difficulties crystallizing the molecules for synchrotron x-ray diffraction. view more (2008-05-14)
The Glory of a Nearby Star
Optical Light from a Hot Stellar Corona Detected with the VLT The solar corona is a beautiful sight during total solar eclipses. It is the uppermost region of the extended solar atmosphere and consists of a very hot (over 1 million degrees), tenuous plasma of highly ionised elements that emit strong X-ray radiation. There is also a much weaker... view more... (2001-07-31)
Effectiveness of mouse breeds that mimic Alzheimer's disease symptoms questioned
Scientists have shown that recently developed mouse breeds that mimic the symptoms of Alzheimer's disease (AD) may not be as effective as previously assumed. view more (2007-08-17)
UI researchers discover star orbiting a 'medium-sized' black hole
University of Iowa researchers have found a star orbiting a "medium-sized" black hole - about 1,000 times more massive than the sun - in the nearby starburst galaxy M82, a development that may help explain how medium-sized black holes form and evolve. view more (2006-01-06)
Diabetes drug dramatically boosts power of platinum chemotherapy
A widely used diabetes drug dramatically boosted the potency of platinum-based cancer drugs when administered together to a variety of cancer cell lines and to mice with tumors, scientists from Dana-Farber Cancer Institute report. view more (2007-05-08)
NASA's Chandra sees brightest supernova ever
The brightest stellar explosion ever recorded may be a long-sought new type of supernova, according to observations by NASA's Chandra X-ray Observatory and ground-based optical telescopes. view more (2007-05-08)
Ghost Remains After Black Hole Eruption
NASA's Chandra X-ray Observatory has found a cosmic "ghost" lurking around a distant supermassive black hole. This is the first detection of such a high-energy apparition, and scientists think it is evidence of a huge eruption produced by the black hole. view more (2009-05-29)
Seeing through tooth decay
Dental caries afflict at least 90% of the world's population at some time in their lives. Detecting the first signs of this disease, which can be lethal in extreme cases, just got easier thanks to work by researchers in India discussed in the latest issue of the International Journal of Biomedical Engineering and Technology. view more (2008-08-25)
Universe's oldest objects emerge from the background
The deepest reaches of space are permeated by a cloak of infrared radiation, an uneven energy swath generated by long-dead objects from the early universe. view more (2006-12-20)
New blood tests for TB show exposure to disease while tuberculin skin tests do not
Two new interferon-gamma blood test assays to detect latent tuberculosis infection (LTBI) showed customers were exposed to a supermarket employee in Holland who had smear-positive tuberculosis, while traditional tuberculin skin tests (TST) did not, according to a large contact study. view more (2007-03-15)
Impetus for TESLA
"DESY welcomes the rapid and trend-setting statement of the Federal Government on the large-scale research facilities and sees it as a tremendous chance for TESLA," said the Chairman of the DESY Directorate, Professor Albrecht Wagner in a first reaction. "The possibility to realize the TESLA X-ray laser as a European project at DESY opens up... view more... (2003-02-05)
Stress management: X-rays reveal Si thin-film defects
Pile-ups, bad on the freeway, also are a hazard for the makers of high-performance strained-silicon (Si) semiconductor devices. view more (2006-07-10)
Ultrasound researchers make no bones about their work
REF: 99/12 29 JANUARY 1999 view more (1999-05-26)
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