Bubble-propelled microrockets could operate in the human stomach
Researchers identify molecular 'culprit' in rise of planetary oxygen
A turning point in the history of life occurred 2 to 3 billion years ago with the unprecedented appearance and dramatic rise of molecular oxygen. Now researchers report they have identified an enzyme that ...
Jan 10, 2012
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Scientists elevate little-studied cellular mechanism to potential drug target
For years, science has generally considered the phosphorylation of proteins -- the insertion of a phosphorous group into a protein that turns it on or off -- as perhaps the factor regulating a range of cellular processes ...
Dec 11, 2011
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New NASA missions to investigate how Mars turned hostile
(PhysOrg.com) -- Maybe because it appears as a speck of blood in the sky, the planet Mars was named after the Roman god of war. From the point of view of life as we know it, that's appropriate. The Martian ...
Nov 18, 2011
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NASA robotic lander test will aid in future lander designs
(PhysOrg.com) -- NASA will conduct a 100-foot robotic lander altitude test flight Friday, Nov. 4, to mature the technology needed to develop a new generation of small, smart, versatile robotic landers capable of achieving ...
Oct 31, 2011
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Study presents new insight into plant immunity
Researchers have identified an important cog in the molecular machinery of plant immunity - a discovery that could help crop breeders produce disease-resistant varieties to help ensure future food security. There may also ...
Oct 02, 2011
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New method cleans up textile industry's most dangerous chemicals
Textile dying is one of the most environmentally hazardous aspects of the textile industry. During dying, harmful chemicals that are difficult to break down are released, all too often into rivers and agricultural land. However, ...
Sep 26, 2011
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Shuttle service in cells: Scientists find new components for protein transport
Research scientists at the Ruhr University Bochum discovered a new enzyme, which gives decisive insights into protein import into specific cellular organelles (peroxisomes). In the Journal of Biological Chemistry, the te ...
Jul 25, 2011
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Hydrogen peroxide found in space
(PhysOrg.com) -- Molecules of hydrogen peroxide have been found for the first time in interstellar space. The discovery gives clues about the chemical link between two molecules critical for life: water and ...
Jul 06, 2011
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Unraveling plant reactions to injury
Better understanding of plant defense systems, and the potential to generate stress-tolerant plants and even new malaria drugs, may all stem from the documentation of a molecular mechanism that plays a significant ...
May 27, 2011
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Firefly glow: Scientists develop a safe hydrogen peroxide probe based on firefly luciferin
(PhysOrg.com) -- A unique new probe based on luciferase, the enzyme that gives fireflies their glow, enables researchers to monitor hydrogen peroxide levels in mice and thereby track the progression ...
Feb 11, 2011
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Zebrafish provide new hope for cancer treatment
The imaging of tumour growth in zebrafish has revealed for the first time how newly formed cancer cells have the capacity to co-opt the immune system into spreading the disease, leading the way for investigations into potential ...
Dec 14, 2010
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Nanotechnology: A dead end for plant cells?
Using particles that are 1/100,000 the width of a human hair to deliver drugs to cells or assist plants in fighting off pests may sound like something out of a science fiction movie, but these scenarios may be a common occurrence ...
Nov 16, 2010
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Anthrax clean-up by mother-daughter team
Alison Burklund has a collection of ribbons and awards that she's picked up for her outstanding projects at the Tri-Valley Science and Engineering Fair, a collection that began when she was in the eighth grade.
Oct 26, 2010
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Stroke gene discovered
A Dutch-German medical research team led by Harald Schmidt from Maastricht University, Netherlands, and Christoph Kleinschnitz, University of Wurzburg, Germany, has discovered that an enzyme is responsible for the death of ...
Sep 21, 2010
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