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Organic in Biological News

Wastewater produces electricity and desalinates water

... input or high water pressure by using a source of organic matter as the fuel to desalinate water," the ... water and produce electricity while removing organic material from wastewater," said Bruce Logan, ... occurring bacteria in the wastewater consume the organic material and produce electricity. The ...

Sustainable agriculture at the ESA Annual Meeting

... systems are notorious, however, for stripping organic nutrients from soils over time. Perennial ... soil is healthy enough to maintain high levels of organic nutrients. In addition to being more ... in the uptake of nutrients and decomposing dead organic matter. Some current farming practices, however, ...

August 2009 Geology and GSA Today media highlights

... in Michigan contain millimeter-sized layers of organic matter and the mineral calcite, deposited in ... probably resulted from the accumulation of dead organic matter on the seafloor. Stronger offshore winds ... account for the accumulation and burial of this organic matter, which ultimately removed CO2 from the ...

Organic food not nutritionally better than conventionally-produced food

... Consumers appear willing to pay higher prices for organic foods based on their perceived health and nutrition benefits, and the global organic food market was estimated in 2007 to be worth 29 ... published literature on nutrient content of organic food ever conducted. The review focussed on ...

Facile synthesis of nanoparticles with multiple functions advanced in Singapore

... metal ions from an aqueous solution to an organic solution such as toluene. Metal compounds that ... transferred metal ions rapidly from water to an organic medium by mixing a solution of metal salts ... with the DDA and can then be extracted with an organic solvent, chemical compounds that usually have a ...

NTU professor discovers method to efficiently produce less toxic drugs using organic molecules

... made a significant contribution to the field of organic chemistry, in particular the study of using small organic molecules as catalysts, in the synthesis process ... ChemComm. The study of organocatalysis using organic molecules (which exists in nature, e.g. protein, ...

An easy way to find a needle in a haystack by removing the haystack

... as sugars, fatty acids, amino acids and other organic substances from plant or animal tissue samples. ... as sugars, fatty acids, amino acids, and other organic acids, the scientists began to alter the matrices ... succeeded with the help of physical and organic chemistry, based on the BrnstedLowry acid-base ...

Ethanol production could jeopardize soil productivity

... They possess a critical role in sustaining soil organic matter. Consequently, extensive removal of crop ... impact of straw removal after 50 years on soil organic carbon (SOC) and soil organic nitrogen (SON) using the Indian Head Long-Term ...

Microfossils challenge prevailing views of the effects of 'Snowball Earth' glaciations on life

... the algal blooms result in high levels of organic matter production, which we see evidence of in the high organic carbon content in upper Chuar Group rocks. In fact, the organic carbon content is so high in the upper Chuar ...

Focus on the formation of bones, teeth and shells

... Three-dimensional imaging revealed that an organic surface introduced by the researchers allowed ... researchers demonstrated a second role for the organic layer: it directed quite precisely the direction ... happen in nature: through a subtle interplay of organic and inorganic materials. About ...

Impact of floods on soils

... cultivated and three uncultivated, with different organic carbon and similar mineralogy were incubated up ... solution was analyzed for metals and dissolved organic carbon. A simple laboratory procedure that ... elements, alkaline metals, and dissolved organic carbon under reducing conditions contributed to ...

Can organic cropping systems be as profitable as conventional systems?

... Is conventional cropping more profitable than organic farming? Is it less risky? To answer these ... Systems ranging from species-diverse pasture and organic systems to more specialized conventional ... of Wisconsin. With feed grade premiums the organic systems were more profitable than the Midwestern ...

Impact of floods on soils

... cultivated and three uncultivated, with different organic carbon and similar mineralogy were incubated up ... solution was analyzed for metals and dissolved organic carbon. A simple laboratory procedure that ... elements, alkaline metals, and dissolved organic carbon under reducing conditions contributed to ...

Cheap and efficient white light LEDs new design described in AIP's Journal of Applied Physics

... diode (LED) made from inexpensive, plastic like organic materials. Designed with a simplified "tandem" ... Second, they demonstrated, for the first time, an organic white-light LED operating within only a single ... area promises further reduction in the price of organic LEDs. ...

Weizmann Institute scientists develop a unique approach for splitting water into hydrogen and oxygen

... and colleagues of the Weizmann Institute's organic Chemistry Department, provides important steps in ... 'smart' complex in which the metal center and the organic part attached to it cooperate in the cleavage of ... with one hydrogen atom ending up binding to its organic part, while the remaining hydrogen and oxygen ...

Can organic cropping systems be as profitable as conventional systems?

... Is conventional cropping more profitable than organic farming? Is it less risky? To answer these ... Systems ranging from species-diverse pasture and organic systems to more specialized conventional ... of Wisconsin. With feed grade premiums the organic systems were more profitable than the Midwestern ...

Engineers develop method to disperse chemically modified graphene in organic solvents

... modified graphene sheets in a wide variety of organic solvents has been developed by a University of ... a wide variety of solvents from water to various organic liquids," said Ruoff, professor of mechanical ... Reduced Graphene Oxide in a Wide Variety of organic Solvents" which will be published in the April ...

Commercial ships spew half as much particulate pollution as world's cars

... to the new study. The other half, composed by organic pollutants and sooty, black carbon, are not ... have the indirect effect of reducing the organic particles emitted," says Corbett. One ... climate. Lack and colleagues find that the organic and black carbon portion of ship exhaust is less ...

Little Salt Spring underwater archeological site in Florida receives new funding

... antiquity and exceptional preservation of ancient organic material. The gift was announced earlier this ... has allowed the preservation of a great deal of organic material deposited there thousands of years ago, ... its ability to preserve prehistoric artifacts and organic matter," said Gifford. "Excavation and careful ...

Iowa Power Fund advances researcher’s long quest for efficient solar power

... And, study how semiconductors based on organic molecules can be used in solar applications. Dalal said organic molecules substances that are found in living ... And it includes work in the emerging field of organic semiconductors. Dalal said Iowa State has ...

Will large amounts of soil carbon be released if grasslands are converted to energy crops?

... systems to conserve the sequestered soil organic carbon (SOC). The effect of no-till conversion of ... for 13 years to no-till corn production on soil organic carbon in eastern Nebraska was observed for 6 ... times during the study and were analyzed for soil organic carbon. Carbon isotope ratio analyses made it ...

Understanding phosphorus in soils is vital to proper management

... land receiving long term applications of organic by-products such as animal manure is one of the ... resonance (NMR) spectroscopy, in soils receiving organic by-products for at least eight years (treated) as ... of America Journal. Regardless of the type of organic materials applied (dairy, swine, poultry, or ...

Sea bed provides information about present climatic change

... y nutrientes" (Accumulation and preservation of organic matter in marine sediments: implications in the ... carbon, in the way of inorganic carbonates or as organic matter settled in sediments", says Gallego ... among other phenomena, into the accumulation of organic matter in the geological past ...

Voracious sponges save reef

... in these coral caves take up a lot of dissolved organic material, they scarcely grow. However, they do ... sponges take up enormous quantities of dissolved organic material from seawater. The question is whether ... algae and corals on the reef produce dissolved organic material. Before this material flows into the ...

Organic plant waste proves effective weed control for citrus trees

... GIZA, EGYPTInterest in organic crop production is increasing around the world. ... While organics gain popularity with consumers, organic farmers are faced with new production challenges, ... has increased in recent years with the spread of organic farming and environmental concerns over the ...

Replacing corn with perennial grasses improves carbon footprint of biofuels

... carbon dioxide from the atmosphere into the organic carbon that makes up leaves, stems and other ... As plants decay, this carbon goes into the soil. organic carbon is an important component of soil health ... analyzed published estimates of changes in soil organic carbon in landscapes converted from natural or ...

Rivers are carbon processors, not inert pipelines

... understanding of how rivers and streams deal with organic carbon has changed radically. Microorganisms ... celled algae in rivers and streams decompose organic matter as it flows downstream. They convert the ... are just considered as inert pipelines, receiving organic carbon from Earth and transporting it to the ...

Global warming is changing organic matter in soil

... actually changes the molecular structure of organic matter in soil. "Soil contains more than ... will change in a warmer world." Soil organic matter is what makes dirt fertile and able to ... which are especially important for agriculture. organic matter retains water in the soil and prevents ...

A model to measure soil health in the era of bioenergy

... threats to today's farmlands is the loss of soil organic carbon (SOC) and soil organic matter (SOM) from poor land-management practices. ... included crop rotations, tillage practices, and organic amendments, as well as crop residue removal. The ...

New life beneath sea and ice

... microbes are fixing or holding onto quantities of organic carbon large enough to be significant in the ... slowly traverses the lake. "Microbial cell and organic carbon concentrations in this accreted ice are ... he calculates that the concentration of cell and organic carbon in the Earth's ice sheets, or ...

Earthworm activity can alter forests' carbon-carrying capabilities

... the forest floor - while others eat roots or soil organic matter. This begins a decomposition process in which organic materials pass through the animals' digestive ... invasive earthworms tend to have litter and soil organic matter enriched in the plant material lignin, ...

New $11 million center to speed production of new compounds for drug discovery

... two years, Kozmin's laboratory has used parallel organic synthesis, which enabled them to perform many ... Kozmin said. "Compared to large proteins, organic molecules that become drugs are rather small in ... these groups has expertise in different areas of organic chemistry," Kozmin said. "The idea is to combine ...

AGU journal highlights -- Oct. 16, 2008

... 4. Understanding hops of persistent organic pollutants over the oceans Persistent organic pollutants are toxic, bioaccumulable, and ... web. Studies have suggested that when persistent organic pollutants travel, they move in stages through a ...

When it comes to forest soil, wildfires pack 1-2 punch

... the fire. They found that the combustion of the organic layer at the soil's surface, including woody ... more surprising to the researchers was how these organic materials may have been lost. Some carbon and ... said. "The loss of topsoil and combustion of organic materials together led to losses that are higher ...

Sensitive laser instrument could aid search for life on Mars

... often require scientists to first extract the organic cell remnants from the mineral. This type of ... off the mineral. Those fragments react with organic molecules to form detectable charged particles ... Typically, this method would require the organic molecules to be embedded in a synthetic matrix ...

Deep biosphere research points to new methods for recovering petroleum

... is still unknown, including the origin of the organic compounds they consume. Arizona State University ... using a novel approach that integrates physical organic chemistry with organic geochemistry and biogeochemistry to uncover the ...

American Chemical Society's Weekly PressPac -- Sept. 24, 2008

... not effectively target a large source of fine, organic particle pollutants that contribute to hazy skies ... air quality. The study found that most of the organic haze above the city is not directly emitted by ... unlike previously thought 75 percent of organic particle pollutants form when ...

October 2008 GEOLOGY and GSA TODAY media highlights

... topics include the fossil conservation of organic tissues, including guts, gills, muscles, and ... is common to all deposits; the conservation of organic tissues as carbon. These results significantly ... that otherwise favors preservation of diverse organic tissues, suggesting that certain Ediacaran ...

CU-Boulder study suggests air quality regulations miss key pollutants

... not effectively target a large source of fine, organic particle pollutants that contribute to hazy skies ... to the study, a much smaller percentage of organic haze than was previously thought is directly ... processes. Instead, 75 percent of fine, organic particle pollutants form when reactive gases ...

University of Miami scientist uncovers miscalculation in geological undersea record

... The principal indicator of the amount of organic carbon produced by biological activity ... 12C, during periods of high production of organic material the 13C/12C ratio of carbonate material ... elevated. Using this principle, the history of organic material has been interpreted by geologists using ...
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