Search results for toxic agent:
Too much of a good thing: Excessive DNA repair can lead to retinal degeneration
Jan 09, 2009 |
3.8 / 5 (6) |
1
(PhysOrg.com) -- A naturally occurring DNA repair system that normally protects cells from damage can cause retinal degeneration and blindness when overstimulated, according to a new study by MIT researchers.
Why chemo works for some people and not others
Sep 18, 2008 |
4.7 / 5 (6) |
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MIT researchers have shown that cells from different people don't all react the same way when exposed to the same DNA-damaging agent — a finding that could help clinicians predict how patients will respond to chemotherapy.
Survey: Dioxin levels high in Vietnam near US base
Sep 11, 2009 |
5 / 5 (2) |
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(AP) -- New environmental tests confirm extremely high levels of dioxin, the toxic ingredient of Agent Orange, in people, fish and soil near a former U.S. air base where American troops stored the herbicide ...
Study Details How Platinum Nanocages 'Cook' Cancer Cells
Nanotechnology / Bio & Medicine
Aug 15, 2008 |
4.9 / 5 (22) |
2
Platinum-based anticancer agents have a long history as proven therapeutic agents, but their toxicity and short lifetime in the body and the ability of tumors to develop resistance to these drugs limit the ultimate utility ...
By shutting down inflammation, agent reverses damage from spinal cord injury in preclinical studies
Medicine & Health / Neuroscience
Mar 31, 2009 |
4.8 / 5 (4) |
0
Researchers at Georgetown University Medical Center (GUMC) have been able to speed recovery and substantially reduce damage resulting from spinal cord injury in preclinical studies.
New 'scrubber' speeds removal of powerful anthrax clean-up agent
Jul 14, 2008 |
not rated yet |
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Researchers in New Jersey report discovery of a fast, efficient method for removing a powerful pesticide used to sterilize buildings and equipment following anthrax attacks.
Nanoscale 'Egg' Kills Tumor Cells with Platinum
Nanotechnology / Bio & Medicine
Jan 22, 2007 |
4.5 / 5 (13) |
0
Researchers at the Hong Kong University of Science and Technology have developed a nanoscale “egg” that could safely deliver platinum, a known anticancer agent, to tumor cells. Tests with this nanoscale egg, which has a hard ...
Alzheimer's research yields potential drug target
Jul 01, 2009 |
5 / 5 (3) |
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Scientists at UC Santa Barbara and several other institutions have found laboratory evidence that a cluster of peptides may be the toxic agent in Alzheimer's disease. Scientists say the discovery may lead ...
Iron is involved in prion disease-associated neuronal demise
Mar 13, 2009 |
not rated yet |
0
Imbalance of iron homeostasis is a common feature of prion disease-affected human, mouse, and hamster brains, according to a new study by Dr. Neena Singh and colleagues at Case Western Reserve University School of Medicine, ...
Silver Nanoparticles Deadly to Bacteria
Nanotechnology / Bio & Medicine
Mar 10, 2008 |
3.6 / 5 (36) |
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Hygienic, antibacteria sprays can be harmful to the environment as well as germs. Toxic solvents are necessary to ensure that bacteria is destroyed but now there could be a new way to achieve this without ...
APS X-rays reveal the real chemistry behind mercury mixed in mustard agent
Physics /
Jan 16, 2006 |
3.2 / 5 (6) |
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The U.S government's effort to dispose of mustard agent from the 1940s by incinerating it was halted when workers discovered that hundreds of containers of the agent were contaminated with mercury. Researchers ...
How toxic environmental chemical DBT affects the immune system
Oct 28, 2008 |
5 / 5 (6) |
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An international team of researchers at the University of California, San Diego School of Medicine and the University of Basel in Switzerland have issued a report on the mechanism of toxicity of a chemical compound called ...
Ring closure as warning: New reagent for the detection of organophosphate neurotoxins with an extremely fast response
Chemistry / Analytical Chemistry
Sep 16, 2009 |
5 / 5 (2) |
0
(PhysOrg.com) -- Soman, Tabun, and Sarin (which has already been used in terrorist attacks) are chemical weapons that attack the nervous system. When inhaled, these extremely toxic organophosphates can lead to death within ...
A dirty job but ...
Apr 13, 2009 |
5 / 5 (3) |
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Byproducts from the electronics, fuel, chemical and defense industries can be far from benign. Toxic heavy metals like cadmium and lead can seep into our food chain and cause cancer. And if found in the soil, these dangerous ...
Limited data suggest possible association between Agent Orange exposure
Jul 24, 2009 |
4.5 / 5 (2) |
0
A new report from the Institute of Medicine finds suggestive but limited evidence that exposure to Agent Orange and other herbicides used during the Vietnam War is associated with an increased chance of developing ischemic ...
