News tagged with geobacter
New study queries interactions of metal-reducing bacteria with plutonium oxide
(PhysOrg.com) -- Recent work by scientists at Pacific Northwest National Laboratory has shed new light on the perplexing environmental chemistry of plutonium. They demonstrated that under anaerobic, or oxygen-free, ...
Mar 19, 2012 |
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Researchers discover how bacteria can immobilize uranium
(PhysOrg.com) -- For several years, researchers have known that certain kinds of bacteria are able to "feed" off certain metals by either adding or removing electrons from their structure, but until now, haven’t really ...
Sep 06, 2011 |
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Researchers Develop New Geobacter Microbe Strain to Produce More Electricity, Open New Applications
(PhysOrg.com) -- In their most recent experiments with Geobacter, the sediment-loving microbe whose hairlike filaments help it to produce electric current from mud and wastewater, Derek Lovley and colleagues at the ...
Jul 28, 2009 |
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Search results for geobacter
Navy researchers investigate small-scale autonomous planetary explorers
Robotic exploration to remote regions, to include distant planetary bodies, is often limited by energy requirements to perform, in repetition, even the simplest tasks. With this in mind, researchers at the ...
Jan 03, 2012 |
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Research team discovers new conducting properties of bacteria-produced wires
The discovery of a fundamental, previously unknown property of microbial nanowires in the bacterium Geobacter sulfurreducens that allows electron transport across long distances could revolutionize nanotechnology ...
Aug 07, 2011 |
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Metabolic models make remediation more manageable
(PhysOrg.com) -- In efforts to reduce contamination at a former uranium mill tailings site, Dr. Krishna Mahadevan is developing genome-scale models to determine why certain bacteria reduce uranium better than ...
Jun 08, 2011 |
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Microbially produced ferrous iron may decrease technetium concentrations in groundwater
(PhysOrg.com) -- The long-lasting radionuclide technetium is transported through the subsurface near former nuclear production and processing sites, moving toward rivers and lakes. But its journey can come ...
Feb 21, 2011 |
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Discovering how microbes cooperate
Ever wonder what microorganisms do on a Saturday night? In professor Derek Lovley's lab at the University of Massachusetts, Amherst, doctoral candidate Zarath Summers and her colleagues made a point to find out. In the process, ...
Jan 07, 2011 |
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Great balls of evolution: Microbiologists evolve microorganisms to cooperate in new way
University of Massachusetts Amherst microbiologists Derek Lovley, Zarath Summers and colleagues report in the Dec. 2 issue of Science that they have discovered a new cooperative behavior in anaerobic bacteria, known as int ...
Dec 02, 2010 |
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ONR scientist generates 'mud power' for NPR radio audience
Dr. Linda Chrisey, a leading scientist at the Office of Naval Research, discussed how researchers are generating electricity from bacteria found in mud and wastewater during National Public Radio's recent "Science Friday" ...
Technology / Energy & Green Tech
May 06, 2010 |
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Fuel-producing Geobacter receives support from new research grant
(PhysOrg.com) -- Last week, the US Department of Energy awarded $106 million to 37 projects to support the development of advanced energy technologies. One of the promising projects is Geobacter, named after ...
Technology / Energy & Green Tech
May 03, 2010 |
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From bacteria to electricity: The future of green energy
Showcasing its energy research initiatives for an Earth Day event on April 22 at the Pentagon, the Office of Naval Research (ONR) will highlight the microbial fuel cell, a device that could revolutionize ...
Technology / Energy & Green Tech
Apr 19, 2010 |
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The Efficacy of Bacteria
(PhysOrg.com) -- Marching to their own drummer. That's what bacteria from different environments do when turning toxic, mobile selenium into a less dangerous, non-mobile form, according to a study led by Dr. ...
Jan 12, 2010 |
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List of search results for geobacter
