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Two bacteria better than one in cellulose-fed fuel cell
07-27-2007 · EurekAlert!No currently known bacteria that allow termites and cows to digest cellulose, can power a microbial fuel cell and those bacteria that can produce electrical current cannot eat cellulose. But careful pairing of bacteria can create a fuel cell that consumes cellulose and produces electricity, according to a team of Penn State researchers.
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Keywords: bacteria, cellulose-fed, fuel, cell, cellulose, fed
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- Microbes churn out hydrogen at record rate
11-13-2007 · EurekAlert!
By adding a few modifications to their successful wastewater fuel cell, researchers have coaxed common bacteria to produce hydrogen in a new, efficient way.Bruce Logan and colleagues at Penn State University had already shown success at using microbes to produce electricity. Now, using starter material that could theoretically be sourced from a salad bar, the researchers have coaxed those same microbes to generate hydrogen.
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- Life at the jolt
01-03-2008 · EurekAlert!
Researchers at the Biodesign Institute are using the tiniest organisms on the planet 'bacteria' as a viable option to make electricity. In a new study featured in the journal Biotechnology and Bioengineering, lead author Andrew Kato Marcus and colleagues Cesar Torres and Bruce Rittmann have gained critical insights that may lead to commercialization of a promising microbial fuel cell technology.
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- Bacteria ferry nanoparticles into cells for early diagnosis, treatment
06-13-2007 · EurekAlert!
Researchers at Purdue University have shown that common bacteria can deliver a valuable cargo of "smart nanoparticles" into a cell to precisely position sensors, drugs or DNA for the early diagnosis and treatment of various diseases.
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- Tick-related disease thrives on cholesterol, study suggests
07-02-2007 · EurekAlert!
People who have high cholesterol levels may be much more susceptible to a particular disease transmitted by the bites of ticks, a new study in mice suggests. Scientists infected mice with the bacterium that causes human granulocytic anaplasmosis, a disease with flu-like symptoms. Bacteria levels were 10 times greater in mice that were genetically predisposed to high cholesterol levels and that were also fed a high-cholesterol diet.
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- Propane fuel cell passes muster at Exit Glacier Nature Center
11-10-2006 · EurekAlert!
The Alaska Energy Technology Development Laboratory at the University of Alaska Fairbanks recently announced a successful field test of a prototype propane fuel cell.
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- New 'biofuel cell' produces electricity from hydrogen in plain air
03-26-2007 · EurekAlert!
A pioneering "biofuel cell" that produces electricity from small amounts of hydrogen mixed in ordinary offers significant potential as an inexpensive and renewable alternative to the costly platinum-based fuel cells that have dominated discussion about the "hydrogen economy" of the future. The work will be described at the March national meeting of the American Chemical Society in Chicago.
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- Is Your Phone Out of Juice? Biological fuel cell turns drinks into power
03-31-2007 · Science News Online
A new type of fuel cell uses natural enzymes to produce small amounts of electricity from sugar.
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- Cell wall of pneumonia bacteria can cause brain and heart damage
10-23-2006 · EurekAlert!
Investigators at St. Jude Children's Research Hospital have discovered in mouse models how cell walls from certain pneumonia-causing bacteria can cause fatal heart damage; researchers have also shown how antibiotic therapy can contribute to this damage by increasing the number of cell wall pieces shed by dying bacteria.
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- Brown scientists map structure of DNA-doctoring protein complex
12-06-2006 · EurekAlert!
Mobile DNA, which inserts foreign genes into target cells, is a powerful force in the march of evolution and the spread of disease. Working with the lambda virus and E. coli bacteria, Brown University biologists have solved the structure of a six-protein complex critical to performing this gene-grafting surgery. The technique they developed could be used to reveal the structure of other critical protein complexes, landing the work on the cover of Molecular Cell.
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- Assumption of function not always correct
05-01-2007 · EurekAlert!
A protein called RecQ takes on a totally opposite function in the bacteria Escherichia coli to the one it fulfills in yeast and in humans, indicating that people seeking to understand the role of different forms in human cells and disease need to consider both possibilities, said researchers from Baylor College of Medicine in a report in the current issue of Molecular Cell.
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