News tagged with radiation damage

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 ...

Physics / General Physics

created Apr 11, 2012 | popularity 5 / 5 (3) | comments 0

Size matters -- even for molecules

(PhysOrg.com) -- 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 ...

Physics / General Physics

created Feb 03, 2012 | popularity 2.3 / 5 (3) | comments 1

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 ...

Biology / Cell & Microbiology

created Jan 12, 2012 | popularity 4 / 5 (5) | comments 0 | with audio podcast

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 ...

Physics / General Physics

created Jan 05, 2012 | popularity 4 / 5 (4) | comments 5

When inflexibility is counterproductive: Mechanism of UV-induced DNA Dewar lesion revealed

Excessive exposure to ultraviolet (UV) radiation of sunlight can result in skin damage and may even induce skin cancers. Irradiation with UV light causes mutations in the DNA, which can interfere with or even inhibit the ...

Chemistry / Biochemistry

created Nov 28, 2011 | popularity not rated yet | comments 0

New strategy could lead to dose reduction in X-ray imaging

For more than a century, the use of X-rays has been a prime diagnostic tool when it comes to human health. As it turns out, X-rays also are a crucial component for studying and understanding molecules, and a new approach ...

Physics / General Physics

created Nov 22, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

States consider banning teens from tanning beds

(AP) -- If a proposed law passes, California teens under 18 will need a fake ID to "fake and bake" themselves to a golden brown.

Medicine & Health / Health

created Jun 27, 2011 | popularity not rated yet | comments 0

Applying particle physics expertise to cancer therapy

(PhysOrg.com) -- Physicists at the University of California, Santa Cruz, are working with medical researchers at Loma Linda University Medical Center to develop a new imaging technology to guide proton therapy ...

Physics / General Physics

created May 13, 2011 | popularity 4.5 / 5 (2) | comments 0

New research finds protein that protects cancer cells from chemo and radiation therapy

Research led by Daitoku Sakamuro, PhD, Assistant Professor of Pathology at LSU Health Sciences Center New Orleans and the LSUHSC Stanley S. Scott Cancer Center, has identified a protein that enables the activation of a DNA-repair ...

Medicine & Health / Cancer

created Mar 24, 2011 | popularity 3 / 5 (1) | comments 0 | with audio podcast

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

created Mar 24, 2011 | popularity 5 / 5 (3) | comments 2 | with audio podcast

Sunburnt whales: Rising UV radiation could be damaging whales' skin

Whales exhibit skin damage consistent with acute sunburn in humans, and it seems to be getting worse over time, reveals research published this week in Proceedings of the Royal Society B.

Biology / Plants & Animals

created Nov 10, 2010 | popularity 4.3 / 5 (3) | comments 0 | with audio podcast

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 ...

Biology / Cell & Microbiology

created Sep 05, 2010 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast

Researchers identify key enzyme in DNA repair pathway

Researchers have discovered an enzyme crucial to a type of DNA repair that also causes resistance to a class of cancer drugs most commonly used against ovarian cancer.

Medicine & Health / Cancer

created Jul 29, 2010 | popularity 5 / 5 (1) | comments 0 | with audio podcast

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 ...

Physics / General Physics

created Jul 27, 2010 | popularity 4.7 / 5 (19) | comments 4 | with audio podcast

Video game processors help lower CT scan radiation

A new approach to processing X-ray data could lower by a factor of ten or more the amount of radiation patients receive during cone beam CT scans, report researchers from the University of California, San Diego.

Medicine & Health / Medical research

created Jul 21, 2010 | popularity 5 / 5 (1) | comments 0