News tagged with chemical mechanism
Physicists control quantum tunneling with light for the first time
Scientists at the Cavendish Laboratory in Cambridge have used light to help push electrons through a classically impenetrable barrier. While quantum tunnelling is at the heart of the peculiar wave nature of particles, this ...
Apr 05, 2012 |
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Nerve gas litmus test could sense airborne chemical weapons
(PhysOrg.com) -- Nerve gases are colorless, odorless, tasteless and deadly. While today's soldiers carry masks and other protective gear, they don't have reliable ways of knowing when they need them in time. ...
Mar 13, 2012 |
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Bionic bacteria may help fight disease and global warming
A strain of genetically enhanced bacteria developed by researchers at the Salk Institute for Biological Studies may pave the way for new synthetic drugs and new ways of manufacturing medicines and biofuels, ...
Sep 21, 2011 |
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Newfound hijacked proteins linked to salmonella virulence
Scientists have discovered that bacteria like E. coli and Salmonella have a sneaky way of making minor alterations to their genes to boost their chances for infection.
Aug 23, 2011 |
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Sea squirt cells shed light on cancer development
Specialized structures used by cancer cells to invade tissues could also help them escape protection mechanisms aimed at eliminating them, a UA-led research team has discovered.
Jul 26, 2011 |
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Computer simulations aid understanding of bacterial resistance against commonly used antibiotics
A recent study into the interactions between aminoglycoside antibiotics and their target site in bacteria used computer simulations to elucidate this mechanism and thereby suggest drug modifications.
Jul 21, 2011 |
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Team shows how the honey bee tolerates some synthetic pesticides
A new study reveals how enzymes in the honey bee gut detoxify pesticides commonly used to kill mites in the honey bee hive. This is the first study to tease out the precise molecular mechanisms that allow ...
Jul 20, 2011 |
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Researchers design a better way to discover drug candidates
(PhysOrg.com) -- Yale researchers have devised a novel way to trick cells into getting rid of problematic proteins, a method that could help pharmaceutical companies quickly identify promising targets for new drugs.
Jul 04, 2011 |
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Researcher uses nanosilica to strengthen concrete (w/ video)
Every day, concrete structures crack and erode prematurely due to Alkali Silica Reactivity (ASR), a chemical reaction that causes fissures in the material as it sets. Jon Belkowitz, a doctoral student at Stevens Institute ...
Nanotechnology / Nanomaterials
Jun 21, 2011 |
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New driving force for chemical reactions discovered
New research just published in the journal Science by a team of chemists at the University of Georgia and colleagues in Germany shows for the first time that a mechanism called tunneling control may drive chemical reacti ...
Chemistry / Analytical Chemistry
Jun 09, 2011 |
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Scientists design new anti-flu virus proteins using computational methods
A research article May 12 in Science demonstrates the use of computational methods to design new antiviral proteins not found in nature, but capable of targeting specific surfaces of flu virus molecules.
May 13, 2011 |
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Crystal cantilever lifts objects 600 times its own weight (w/ Video)
(PhysOrg.com) -- For a long time, scientists have been trying to transform the collective movements of tiny molecules into useful mechanical work. With this goal in mind, a team of researchers from Japan has ...
Oct 01, 2010 |
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Highlight: Scientific breakdown of cancer reveals promising results
The chemical structure of the melanoma-shrinking drug PLX4032 is revealed in a new Nature paper that describes the drug’s discovery, development and functioning.
Sep 09, 2010 |
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Anti-aphrodisiac protects young bedbugs
Male bedbugs are known to be very unfussy when it comes to mating, mounting any well-fed bug they can see - regardless of age or gender. Researchers writing in the open access journal BMC Biology have discov ...
Sep 09, 2010 |
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Lethal backfire: Green odor with fatal consequences for voracious caterpillars
During field studies, scientists at the Max Planck Institute for Chemical Ecology discovered that the oral secretions of tobacco hornworm larvae contain a particular substance that promptly ...
Aug 26, 2010 |
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