All Articles Tagged As: algae
Researchers at Virginia Bioinformatics Institute at Virginia Tech have assembled the draft genome of a marine algae sequence to aid scientists across the US in a project that aims to discover the best algae species for producing biodiesel fuel. The results have been published in Nature Communications.
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A solution to the difficult issue of harvesting algae for use as a biofuel has been developed using microbubble technology pioneered at the University of Sheffield.
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Rochester Institute of Technology scientist André Hudson and colleagues have deciphered the structure of an essential enzyme in algae, critical to algaecide development.
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Algae-based fuel is one of many options among the array of possible future energy sources. New University of Virginia research shows that while algae-based transportation fuels produce high energy output with minimal land use, their production could come with significant environmental burdens.
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By pulsing contaminated water over screens on which algae are allowed to grow, algal turf scrubbers can use sunlight to purify agricultural runoff while yielding byproducts that can be used as fertilizer, biofuel, or higher-value commodities such as nutraceuticals. Hectare-scale demonstration projects are in operation.
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Many kinds of algae and cyanobacteria, common water-dwelling microorganisms, are capable of using energy from sunlight to split water molecules and release hydrogen, which holds promise as a clean and carbon-free fuel for the future. One reason this approach hasn't yet been harnessed for fuel production is that under ordinary circumstances, hydrogen production takes a back seat to the production of compounds that the organisms use to support their own growth.
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 | Sea-ice algae -- the important first rung of the food web each spring in places like the Arctic Ocean -- can engineer ice to its advantage. The same gel-like mucus secreted by sea-ice algae as a kind of antifreeze against temperatures well below minus 10 C is also allowing algae to sculpt microscopic channels and pores in ice that are hospitable to itself and other microorganisms. ...> Full Article |
A team involving University of Tennessee, Knoxville, researchers has conducted the first-ever genetic sequencing of a harmful algal bloom species, cracking the genome of the micro-organism responsible for the Eastern Seaboard's notorious brown tides.
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Scientists are reporting for the first time that previously unrecognized substances released by algae blooms have the potential to act as endocrine disruptors, which can interfere with the normal activity of reproductive hormones. The effect is not caused by microcystin toxins, long recognized as potentially harmful to humans and aquatic animals, but as yet unidentified substances. As a result, the scientists are calling for a revision of environmental monitoring programs to watch for these new substances.
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University of Tennessee researchers discovered the blue-green algae may add a new harmful element into the way they understand and investigate alga blooms in aquatic systems.
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Researchers at RIT are developing biodiesel from microalgae grown in wastewater. The project is doubly "green" because algae consume nitrates and phosphates and reduce bacteria and toxins in the water. The end result: clean wastewater and stock for a promising biofuel.
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 | Montana State University researchers have discovered that baking soda can dramatically increase algae's production of the key oil precursors for biodiesel. ...> Full Article |
 | Scientists and engineers seek to meet three goals in the production of biofuels from nonedible sources such as microalgae: efficiency, economical production and ecological sustainability. Syracuse University's Radhakrishna Sureshkumar, professor and chair of biomedical and chemical engineering in the L.C. Smith College of Engineering and Computer Science, and SU chemical engineering Ph.D. student Satvik Wani have uncovered a process that is a promising step toward accomplishing these three goals. ...> Full Article |
Scientists have identified an unusual species of pathogenic algae that causes human skin infections, described in a new study in the International Journal of Systematic and Evolutionary Microbiology. The finding should improve our understanding of how rare species of algae are sometimes able to cause serious disease in humans and animals.
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 | Heating and squishing microalgae in a pressure-cooker can fast-forward the crude-oil-making process from millennia to minutes. ...> Full Article |
As Americans demand new and cleaner ways to meet the country's energy needs, researchers are turning to algae as a promising new fuel source. The approach has the potential to significantly reduce the nation's reliance on imported oil while contributing to rural economic development and lowering greenhouse emissions.
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With many companies investing heavily in algae-based biofuels, researchers from the University of Virginia's Department of Civil and Environmental Engineering have found there are significant environmental hurdles to overcome before fuel production ramps up. They propose using wastewater as a solution to some of these challenges.
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