News tagged with microorganisms
Related topics: microbes , bacteria , proceedings of the national academy of sciences , bacterium , genes
New artificial enzyme safer for nature
Perilous and polluting industrial processes can be made safer with enzymes. But only a short range of enzymes have been available for the chemical industry.
Oct 22, 2009 |
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GSU professor develops new method to help keep fruit, vegetables and flowers fresh
Did you know that millions of tons of fruits and vegetables in the United States end up in the trash can before being eaten, according to the U.S. Department of Agriculture? A Georgia State University professor has developed ...
Oct 20, 2009 |
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Seeking Life's Shadow
They haven't yet figured out how to draw blood from stones, but a group of French researchers is offering new insight that could change how scientists search for signs of life in Martian rocks.
Space & Earth / Space Exploration
Oct 01, 2009 |
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Planet's nitrogen cycle overturned by 'tiny ammonia eater of the seas'
(PhysOrg.com) -- It's not every day you find clues to the planet's inner workings in aquarium scum. But that's what happened a few years ago when University of Washington researchers cultured a tiny organism from the bottom ...
Sep 30, 2009 |
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Hydrogen-making algae's 'Achilles' heel' discovered
(PhysOrg.com) -- Scientists have discovered how oxygen stops green algae from producing hydrogen. The findings could help those working towards 'solar H2-farms' in which microorganisms produce hydrogen fuel ...
Sep 29, 2009 |
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Engineers track bacteria's kayak paddle-like motion for first time
Yale engineers have for the first time observed and tracked E. coli bacteria moving in a liquid medium with a motion similar to that of a kayak paddle.
Sep 25, 2009 |
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New biosensor can detect bacteria instantaneously
A research group from the Rovira i Virgili University (URV) in Tarragona, Spain, has developed a biosensor that can immediately detect very low levels of Salmonella typhi, the bacteria that causes typhoid fever. ...
Chemistry / Analytical Chemistry
Sep 08, 2009 |
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Virus Enzymes Could Promote Human, Animal Health
(PhysOrg.com) -- Could viruses be good for you? Scientists with the Agricultural Research Service (ARS) have shown that enzymes from bacteria-infecting viruses known as phages could have beneficial applications ...
Aug 31, 2009 |
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Critter control, au natural
(PhysOrg.com) -- It’s surprising how much havoc the tiny termite can wreak. Each year infestations of these insects cause an estimated $30 billion in damage to buildings and crops nationwide. Historically, ...
Aug 27, 2009 |
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Discovery of a mechanism controlling the fate of hematopoietic stem cells
(PhysOrg.com) -- Hematopoietic stem cells are capable of manufacturing all types of blood cells. But which factors influence the production of a specific type of cell? Until now, it was thought that this was ...
Jul 30, 2009 |
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New method uses electrolyzed water for more efficient fuel production
Using electrolyzed water rather than harsh chemicals could be a more effective and environmentally friendly method in the pretreatment of ethanol waste products to produce an acetone-butanol-ethanol fuel mix, ...
Jul 27, 2009 |
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German researchers discover new target for tailored antibiotics
More and more strains of bacteria are developing resistance to previously life-saving antibiotics. Researchers at TUM, the Technische Universitaet Muenchen, have shed light on a metabolic step that appears in many aggressive ...
Jul 14, 2009 |
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A Matter of Density, Not Quantity: Individual Bacterial Cells are Capable of Quorum Sensing when Confined in Small Volum
(PhysOrg.com) -- Infections of wounds, pneumonia, etc. in hospitals in particular are often caused by bacteria called Pseudomonas aeruginosa. Once they reach a certain density, colonies of Pseudomonas aeruginosa produce virulence ...
Jul 10, 2009 |
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Reduced-dose schedule for pneumococcal vaccine in infants shows effectiveness
Infants who received two or three primary doses of the 7-valent pneumococcal conjugate vaccine (PCV-7) both had a decreased rate of carrying pneumococcal microorganisms that can cause pneumonia and other infections, compared ...
Medicine & Health / Diseases, Conditions, Syndromes
Jul 07, 2009 |
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Making nanoparticles in artificial cells
Two new construction manuals are now available for the world's smallest lamps. Based on these protocols, scientists from the Max Planck Institute of Colloids and Interfaces have tailor-made nanoparticles that ...
Nanotechnology / Bio & Medicine
Jun 26, 2009 |
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