News tagged with potent poisons
New study overturns orthodoxy on how macrophages kill bacteria
Apr 27, 2009 |
4.9 / 5 (9) |
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For decades, microbiologists assumed that macrophages, immune cells that can engulf and poison bacteria and other pathogens, killed microbes by damaging their DNA. A new study from the University of Illinois ...
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Genetic analysis reveals secrets of scorpion venom
Jul 01, 2009 |
4.8 / 5 (5) |
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Transcriptomic tests have uncovered the protein composition of venom from the Scorpiops jendeki scorpion. Researchers writing in the open access journal BMC Genomics have carried out the first ever venom analysis in this arach ...
Killer algae a key player in mass extinctions
Space & Earth / Earth Sciences
Oct 19, 2009 |
4.4 / 5 (17) |
4
Algae, not asteroids, were the key to the end of the dinosaurs, say two Clemson University researchers. Geologist James W. Castle and ecotoxicologist John H. Rodgers have published findings that toxin producing ...
Gold, copper nanoparticles take center stage in the search for hydrogen production catalysts
Nanotechnology / Nanomaterials
Mar 28, 2007 |
4.6 / 5 (7) |
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X-ray studies at the U.S. Department of Energy’s Brookhaven National Laboratory are pointing the way to less costly and more efficient catalysts for improving the performance of fuel cells. The studies, which will be presented ...
Mutant rats offer clues to medical mystery
Feb 17, 2009 |
4.3 / 5 (3) |
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A research project at Rice University has brought scientists to the brink of comprehending a long-standing medical mystery that may link cardiovascular disease, osteoporosis and perhaps even Alzheimer's disease.
An often overlooked protein actually a potent regulator of cardiac hypertrophy
Nov 16, 2009 |
4 / 5 (1) |
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A protein long thought to be a secondary regulator in the heart's response to stressors like hypertension actually appears to be a primary regulator according to researchers from the Center for Translational Medicine at Thomas ...
Vardenafil: A potential drug to protect gastric mucosa
Nov 18, 2009 |
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Indomethacin has been proved by epidemiological and experimental studies to be closely associated with peptic ulcer development. Vardenafil is a potent phosphodiesterase 5 inhibitor and its effects on the gastric mucosa havenot ...
FDA tells doctors new heparin formula less potent
Medicine & Health / Medications
Oct 01, 2009 |
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(AP) -- The Food and Drug Administration is alerting doctors that a widely used blood thinner has been reformulated to improve its safety, though the change could open the door to dosing errors.
A newly discovered chemical weapon in poison frogs' arsenal
Jun 04, 2009 |
5 / 5 (1) |
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New research documents a surprising chemical weapon used by some Amazonian poison frogs. The study identified for the first time a family of poisons never before known to exist in these brightly colored creatures ...
New Chemo Cocktail Blocks Breast Cancer Like a Fence
Oct 05, 2009 |
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(PhysOrg.com) -- Think of a protective fence that blocks the neighbor's dog from charging into your backyard. The body, too, has fences -- physical and biochemical barriers that keep cells in their place.
Research points to new target for stopping colon cancer
Aug 17, 2009 |
4.3 / 5 (3) |
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New research led by scientists at the University of North Carolina at Chapel Hill School of Medicine have found a drug target that suggests a potent way to kill colon cancers that resist current drugs aimed at blocking a ...
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