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Brush anode and tubular cathode scale up microbial fuel cells
03-21-2007 · EurekAlert!Generating electricity from renewable sources will soon become as easy as putting a brush and a tube in a tub of wastewater.
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Keywords: brush, anode, tubular, cathode, scale, microbial, fuel, cells, cell
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- Study: cow-powered fuel cells grow smaller, mightier
08-21-2007 · EurekAlert!
Cows could one day help to meet the rise in demand for alternative energy sources, say Ohio State University researchers that used microbe-rich fluid from a cow to generate electricity in a small fuel cell. This new microbial fuel cell is a redesign of a larger model that the researchers created a few years ago. The new cell is a quarter of the size of the original model, yet can produce about three times the power.
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- Fuel cells gearing up to power auto industry
10-30-2007 · EurekAlert!
The average price for all types of gasoline is holding steady around $2.95 per gallon nationwide, but the pain at the pump might be short-lived as research from the University of Houston may eliminate one of the biggest hurdles to the wide-scale production of fuel cell-powered vehicles.
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- Researchers discover human embryonic stem cells are the ultimate perpetual fuel cell
07-11-2007 · EurekAlert!
An article published in the prestigious scientific journal Nature this week reports on a new understanding of the growth of human stem cells.
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- Stuck on you: CEACAM6 helps E. coli stick to intestinal lining in Crohn's disease
05-24-2007 · EurekAlert!
In Crohn's disease, the lining of the small intestine is abnormally colonized by E. coli organisms that are able to adhere to and invade intestinal epithelial cells. A new JCI study shows that these bacteria adhere to a region of intestinal epithelial cells known as the brush border in patients with Crohn's disease, but not in healthy individuals, and that this adhesion depends on expression of the receptor CEACAM6 on the epithelial cell surface.
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- Giardia loses its hold on intestinal tissue after 'tonic shock'
12-03-2007 · EurekAlert!
The single-celled intestinal parasite Giardia lamblia colonizes the upper small intestine by fastening to the microvillus brush border of intestinal cells. But exactly how Giardia attaches itself was unknown until now. At the American Society for Cell Biology annual meeting, University of California-Berkeley researchers present evidence that Giardia uses an osmotic 'suction cup' to hang on, a discovery that could make attachment a prime target for new treatments of Giardia infections.
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- Investigating the failure mechanisms of fuel cells will improve their durability
11-28-2007 · EurekAlert!
Researchers in the Georgia Tech Research Institute's Center for Innovative Fuel Cell and Battery Technologies believe that understanding how and why fuel cells fail is the key to both reducing cost and improving durability. The problems they are addressing include chemical attack of the membrane, carbon corrosion and platinum instability.
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- Jefferson scientists uncover role of cancer stem cell marker: controlling gene expression
01-17-2008 · EurekAlert!
Scientists at Jefferson's Kimmel Cancer Center in Philadelphia have made an extraordinary advance in the understanding of the function of a gene previously shown to be part of an 11-gene "signature" that can predict which tumors will be aggressive and likely to spread. The gene, USP22, encodes an enzyme that appears to be crucial for controlling large scale changes in gene expression, one of the hallmarks of cancer cells.
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- Alternative energy comes closer with advances in hydrogen fuel cell sealing technology
06-13-2007 · EurekAlert!
Solid oxide fuel cells have attracted major interest from research and development communities as an alternative source of power, with commercial trials already under way.
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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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- With Record Resolution And Sensitivity, Tool Images How Life Organizes In A Cell Membrane
10-02-2006 · ScienceDaily
What's the difference between a lifeless sack of chemicals and a living cell? It's all in the way they're organized, according to Stanford biophysical chemist Steven Boxer. With colleagues at Stanford, the University of California-Davis and Lawrence Livermore National Laboratory, he has developed a way to image cell membranes with unprecedented resolution-on the order of 100 nanometers, a scale larger than individual molecules but much smaller than entire cells.
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