News tagged with toxic agent


Too much of a good thing: Excessive DNA repair can lead to retinal degeneration

Too much of a good thing: Excessive DNA repair can lead to retinal degeneration

Medicine & Health / Research

created Jan 09, 2009 | popularity 3.8 / 5 (6) | comments 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.





Search results for toxic agent


Why chemo works for some people and not others

Medicine & Health / Genetics

created Sep 18, 2008 | popularity 4.7 / 5 (6) | comments 0

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 (AP)

Survey: Dioxin levels high in Vietnam near US base

Space & Earth / Environment

created Sep 11, 2009 | popularity 5 / 5 (2) | comments 0

(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

created Aug 15, 2008 | popularity 4.9 / 5 (22) | comments 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

created Mar 31, 2009 | popularity 4.8 / 5 (4) | comments 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

Chemistry /

created Jul 14, 2008 | popularity not rated yet | comments 0

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

created Jan 22, 2007 | popularity 4.5 / 5 (13) | comments 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

Alzheimer's research yields potential drug target

Chemistry / Biochemistry

created Jul 01, 2009 | popularity 5 / 5 (3) | comments 0

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

Medicine & Health / Research

created Mar 13, 2009 | popularity not rated yet | comments 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

Silver Nanoparticles Deadly to Bacteria

Nanotechnology / Bio & Medicine

created Mar 10, 2008 | popularity 3.6 / 5 (36) | comments 0

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

APS X-rays reveal the real chemistry behind mercury mixed in mustard agent

Physics /

created Jan 16, 2006 | popularity 3.2 / 5 (6) | comments 0

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 ...



List of search results for toxic agent