News tagged with dose
To peer inside a living cell
(PhysOrg.com) -- Quantum mechanics could help build ultra-high-resolution electron microscopes that won't destroy living cells, according to MIT electrical engineers.
Oct 06, 2009 |
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Lab study raises questions over nano-particle impact
Tests involving chickens have raised questions about the impact on health from engineered nano-particles, the ultra-fine grains commonly used in drugs and processed foods, scientists said on Sunday.
Nanotechnology / Bio & Medicine
Feb 12, 2012 |
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Lightning-produced radiation a potential health concern for air travelers
New information about lightning-emitted X-rays, gamma rays and high-energy electrons during thunderstorms is prompting scientists to raise concerns about the potential for airline passengers and crews to be ...
Space & Earth / Earth Sciences
Dec 07, 2009 |
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Support for adjunctive vitamin C treatment in cancer
Serious flaws in a recent study, which concluded that high doses of vitamin C reduce the effectiveness of chemotherapeutic drugs in the treatment of cancer, are revealed in the current issue of Alternative and Complementary Th ...
Mar 06, 2009 |
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Gov't says full-body scanners at airports are safe
(AP) -- They look a little like giant refrigerators and pack a radiation dose big enough to peer through clothing for bombs or weapons, yet too minuscule to be harmful, federal officials insist. As the government ...
Nov 18, 2010 |
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New detector design improves gamma-ray measurements
(Phys.org) -- In the pursuit of precision measurements, nothing is simple, even when the apparatus employed appears to be utterly uncomplicated. An instructive case in point is the new ionization chamber used ...
Apr 06, 2012 |
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Research on US nuclear levels after Fukushima could aid in future nuclear detection
The amount of radiation released during the Fukushima nuclear disaster was so great that the level of atmospheric radioactive aerosols in Washington state was 10,000 to 100,000 times greater than normal levels in the week ...
Sep 09, 2011 |
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High-blood-pressure treatment for the over-80s too aggressive, warns expert
People over 80 years are being treated too aggressively for high blood pressure, warns an expert in an editorial in BMJ Clinical Evidence this week.
Dec 23, 2009 |
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Primordial fear: why radiation is so scary
Nuclear radiation is frightening stuff. A quarter century after Chernobyl, and more than 65 years after atomic bombs laid waste to Hiroshima and Nagasaki, fatally sickening thousands not killed outright, even ...
Apr 24, 2011 |
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Bird populations near Fukushima are more diminished than expected
(PhysOrg.com) -- Low-level radiation in Fukushima Prefecture appears to have had immediate effects on bird populations, and to a greater degree than was expected from a related analysis of Chernobyl, an international ...
Feb 09, 2012 |
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The Phantom Torso Returns
The Phantom Torso is back, and he has quite a story to tell. He's an armless, legless, human-shaped torso, a mannequin that looks like he's wrapped in a mummy's bandages. Scientists at the European Space Agency ...
Space & Earth / Space Exploration
May 28, 2009 |
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New method makes vaccines stable at tropical temperatures
A simple and cheap way of making vaccines stable - even at tropical temperatures - has been developed by scientists at Oxford University and Nova Bio-Pharma Technologies.
Medicine & Health / Medical research
Feb 17, 2010 |
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Scientist proves potential of new nanoparticle design for cancer therapy
A new type of nanoparticle developed in the laboratories at the University of North Carolina has shown potential for more effective delivery of chemotherapy to treat cancer. Wenbin Lin, PhD, Kenan Distinguished Professor ...
Nanotechnology / Bio & Medicine
Sep 20, 2011 |
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Fukushima radiation mostly within accepted levels: WHO
Radiation affecting residents in Japan's Fukushima prefecture since the nuclear plant disaster is below the reference level for public exposure in all but two areas, the World Health Organization said Wednesday.
May 23, 2012 |
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NIH takes step to assess any possible risk associated with low-dose radiation exposure
Researchers at the National Institutes of Health (NIH) Clinical Center are incorporating radiation dose exposure reports into the electronic medical record, an effort that they hope will lead to an accurate assessment of ...
Feb 01, 2010 |
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