News tagged with radiation damage
Findings show promise for nuclear fusion test reactors
Researchers have discovered mechanisms critical to interactions between hot plasma and surfaces facing the plasma inside a thermonuclear fusion reactor, part of work aimed at developing coatings capable of ...
Jul 27, 2010 |
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How do free electrons originate?
Scientists at Max Planck Institute of Plasma Physics (IPP) in Garching and Greifswald and Fritz Haber Institute in Berlin, Germany, have discovered a new way in which high-energy radiation in water can release slow electrons. ...
Jan 20, 2010 |
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Solving the mystery of how plants survive near Chernobyl
Twenty-two years after the Chernobyl nuclear power station accident in the Ukraine — the worst in history — scientists are reporting insights into the mystery of how plants have managed to adapt and survive ...
May 13, 2009 |
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Andes Mountains Are Older Than Previously Believed
(PhysOrg.com) -- The geologic faults responsible for the rise of the eastern Andes mountains in Colombia became active 25 million years ago—18 million years before the previously accepted start date for the ...
Space & Earth / Earth Sciences
May 15, 2009 |
4.4 / 5 (8) |
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Ozone: Climate change boosts ultraviolet risk for high latitudes
(PhysOrg.com) -- Physicists at the University of Toronto have discovered that changes in the Earth's ozone layer due to climate change will reduce the amount of ultraviolet (UV) radiation in northern high ...
Space & Earth / Earth Sciences
Sep 06, 2009 |
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Research reveals key to world's toughest organism
(PhysOrg.com) -- A new study by Cornell researchers uncovers the details of how the world's toughest bacterium survives lethal radiation exposure.
Oct 19, 2009 |
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Scientists discover source of cancer stem cells' resistance to radiation
Much to the dismay of patients and physicians, cancer stem cells — tiny powerhouses that generate and maintain tumor growth in many types of cancers — are relatively resistant to the ionizing radiation often used as therapy ...
Feb 04, 2009 |
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Novel Nanoparticles Prevent Radiation Damage During Cancer Therapy
(PhysOrg.com) -- Nanoparticles covered with the natural pigment melanin may protect bone marrow from the harmful effects of anticancer radiation therapy, according to scientists at Albert Einstein College of Medicine of Yeshiva ...
Nanotechnology / Bio & Medicine
May 27, 2010 |
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New findings on the formation of body pigment
(PhysOrg.com) -- The skin's pigment cells can be formed from completely different cells than has hitherto been thought, a new study from the Swedish medical university Karolinska Institutet shows. The results, which are published ...
Oct 16, 2009 |
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Scientists identify novel approach to view inner workings of viruses
Since the discovery of the microscope, scientists have tried to visualize smaller and smaller structures to provide insights into the inner workings of human cells, bacteria and viruses. Now, researchers at the National Institute ...
Jan 12, 2012 |
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Biologists find way to reduce stem cell loss during cancer treatment
Biologists at the University of California, San Diego have discovered that a gene critical for programmed cell death is also important in the loss of adult stem cells, a finding that could help to improve the health and well-being ...
Sep 05, 2010 |
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Critical protein helps mend damaged DNA
In order to preserve our DNA, cells have developed an intricate system for monitoring and repairing DNA damage. Yet precisely how the initial damage signal is converted into a repair response remains unclear. Researchers ...
Dec 24, 2009 |
4.3 / 5 (4) |
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Fastest X-ray images of tiny biological crystals
(PhysOrg.com) -- An international research team headed by DESY scientists from the Center for Free-Electron Laser Science (CFEL) in Hamburg, Germany, has recorded the shortest X-ray exposure of a protein crystal ...
Jan 05, 2012 |
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Seeing below the surface: New way to inspect advanced materials used to build airplanes
In recent years, many airplane manufacturers have started building their planes from advanced composite materials, which consist of high-strength fibers, such as carbon or glass, embedded in a plastic or metal ...
Nanotechnology / Nanomaterials
Mar 24, 2011 |
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Size matters - even for molecules
Two electrons that are emitted from a large molecule by a single photon may originate from far apart within that molecule. In a recent study on hydrocarbon molecules consisting of one to five fused benzene ...
Apr 11, 2012 |
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