Tag: "gold" at biology news
Study warns deep-sea mining may pose serious threat to fragile marine ecosystems
...rst commercial undersea exploration for high-grade gold
and copper. They are targeting an area known as the Manus backarc basin off the coast of Papua New Guinea. The active hydrothermal vents in these areas occur where new oceanic crust is formed through undersea volcanic activity. Until the late 1970s, ...
Flaws in colonoscopies may increase risk of colon cancer
...(May 23, 2007) -- Colonoscopies are considered the gold
standard for detecting colon cancer, the second leading cause of cancer deaths in the United States. Research presented today at Digestive Disease Week 2007 (DDW) discusses contributing factors that could prevent patients from getting optimal result...
ACS News Service Weekly PressPac -- May 23, 2007
...r material for detecting explosives Mom & Pop gold
miners threaten new wave of mercury pollution ...R 9 A.M., EASTERN TIME, May 28, 2007 Mom & Pop gold
miners threaten new wave of mercury pollution Chemical & Engineering News Could tons of neurotoxi...
Researchers find 24 species believed new to science in Suriname rainforest
...sh, Harttiella crassicauda, feared extinct because gold
mining activities had contaminated a creek where it was last seen more than 50 years ago. Overall, the survey recorded 467 species at the two sites, including large cats such as panther and puma, various monkeys, and a range of reptiles, amphibians...
PET/CT should be 'first-step' test for patients with Crohn's disease
... to assess the interior surfaces of an organis the gold
standard to answer, 'What is the activity of this disease"'" said Hustinx. The answer to this question will decide whether the clinician prescribes a treatment that is likely to be effective but also very costly and associated with side effects. "Ile...
Reprogrammed fibroblasts identical to embryonic stem cells
...e in humans. Human embryonic stem cells remain the gold
standard for pluripotent cells, and it is a necessity to continue studying embryonic stem cells through traditional means. In August 2006, a team of researchers at Kyoto University led by Yamanaka reported a landmark discovery that by activating fo...
Massive herds of animals found to still exist in Southern Sudan
...000 kob in Southern Sudan, said Fay. If you were a gold
miner and hit a vein of gold, like we found in kob, you would have found El Dorado. Never in my wildest dreams could I have imagined that this kind of abundance in nature existed in a region after 25 years of civil war, virtually unknown to the world...
Study could impact noninvasive treatment of cancer tumors
...s. To test this, they added commercially available gold
nanoparticles to cells suspended in a culture medium. However, contrary to their initial hypothesis, Devireddy and Monroe found that the nanoparticles did not significantly change the freezing response of either HeLa cells, which are derived from a ...
UN issues analysis of global investors' sustainable energy 'gold rush'
...reasons behind and insights into the worlds newest gold
rush, which saw investors pour $71 billion into companies and new sector opportunities in 2006, a 43% jump from 2005 (and up 158% over the last two years. The trend continues in 2007 with experts predicting investments of $85 billion this year). ...
Gut check: Tracking the ecosystem within us
...btained using their microarray with the laborious gold
standard approach of using genetic libraries of bacteria to get a snapshot of the microbial ecosystem in an infant at a given point in time and found that their new method performed very well. The results, said Palmer, were striking: the group foun...
Other highlights in JNCI, June 26
...ure studies. Overall survival is considered the gold
standard endpoint for cancer treatment trials. But the time and money required to conduct a trial using overall survival as the endpoint has led researchers to consider other endpoints that can act as surrogates for overall survival. Looking at 52...
Pairing nanoparticles with proteins
...e demonstrated the ability to strategically attach gold
nanoparticles -- particles on the order of billion... This new research shows that precisely engineered gold
nanoparticles can be used to "glue" enzymes together to form oriented and ordered single layers, and...
American Chemical Society's Weekly PressPac -- June 27/July 3, 2007
...ry mice with LOIS before and after an injection of gold
nanorods, minute rod-shaped clusters of gold
atoms that are being evaluated by other scientists for uses ranging from carriers for cancer-treatme...
Maynard Olson receives $500,000 Gruber Genetics Prize
... in San Diego, California. The prize consists of a gold
medal and $US500,000. When he assembled his physical map of the yeast genome, Maynard developed a new way to piece together the puzzle. He allowed us to mechanize, computerize and organize the process, says 2003 Gruber Genetics Laureate, David Botste...
Homestake strikes gold again
...ce Foundation (NSF) has chosen Homestake, a former gold
mine in the Black Hills, near Lead, South Dakota, ...osal Homestake was the site of the single largest gold
deposit ever found in the Western Hemisphere. Mining operations, which began in 1876 and continued u...
Unraveling the physics of DNA's double helix
...ndividual strands that were tethered at one end to gold
and measured the changes in force as they pulled. The AFM technique allows precise measurements of forces within individual molecules down to one pico-Newton--a trillionth of a Newton. For a sense of scale, the force of gravity on a two-liter bottle ...
Innovative research technique reveals another natural wonder in Yellowstone Park
...ed if I had reached into that mat and pulled out a gold
nugget the size of my fist!" Yellowstone habitats have been explored since the 1960s for new organisms that may have important applications for biotechnology, pollution clean-ups (bioremediation), and medicine. Bryant and Ward's team found the new ...
Surprising new species of light-harvesting bacterium discovered in Yellowstone
...ed if I had reached into that mat and pulled out a gold
nugget the size of my fist!" He adds, "I am really grateful to Dave Ward for the chance to work with him and his students in the park and to visit Montana frequently. Our collaboration is a great example of how science really becomes exciting when ...
Gold nanoparticles may pan out as tool for cancer diagnosis
...nd. - When it comes to searching out cancer cells, gold
may turn out to be a precious metal. Purdue University researchers have created gold
nanoparticles that are capable of identifying marker proteins on breast cancer cells, making the tin...
American Chemical Society's Weekly PressPac -- Aug. 1, 2007
...ud, explains that animal testing long has been the gold
standard for environmental toxicology. But such tests take years to complete, cant always be confidently extrapolated to humans, and require the use of laboratory animals. As a result, only a handful of commercial chemicals have gone through the c...
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