Tag: "organic" at biology news
Method Eases Making Amino Acids Critical In Medicinal Chemistry
...entional techniques." Amino acids like many organic
molecules exhibit a particular"handedness," or chirality. The two resulting structures, calledenantiomers, are analogous to a pair of hands: They form nonsuperimposablemirror images of each other. The reactions of chiral compounds are highlystr...
Supelco Licenses ORNL Solid Sorbent Air Sampling Material
...posite material. The sol-gel sorbent trapcollects organic
contaminants from the air, and is then heated to releasecollected samples into a modified gas chromatograph for analysis, explainedco-inventors Mike Sigman and Amy Dindal of ORNL's Chemical and AnalyticalSciences Division. The researchers benchmarked...
Purdue-Made Soil Benefits The Environment
...na-mined coal in a clean coal combustion unit. The organic
material, which also is used on farmland as a fert...containing "friendly" bacteria that break down the organic
material, is supplied by a local composting operation. The main uses for the soil are for reclamatio...
Subtle Biotic Changes Have Big Environmental Impact
... from the land in the formof dead leaves and other organic
matter that accumulates and decays underwater. Usually, these processes lead to a surplus of carbon dioxide in lakes. Excess carbon in a lake is released as a gas, carbon dioxide, to the atmosphere. When there is a deficit of carbon dioxide, howeve...
Study Focuses On How Plants Help Toxic Pollutants Travel Around The World
... thetransport through the atmosphere of persistent organic
pollutants. The project, which has been fu...xistingchemical concentrations. Persistent organic
pollutant vapors will be added to the chamber, andthe air will be tested for chemical levels by pull...
Penn State Researchers Study Used Mushroom Compost
...Water and compost samples willbe analyzed for both organic
and inorganic composition. "A multitude o...trends incarbohydrates, proteins, lignin and other organic
species as a function ofweathering," says Hatcher. Other analysis will investigate the solub...
Roadsides Benefit From Waste, UF Researchers Say
...ee spread alongside Florida highways is made up of organic
material. "The goal is to make roadsides a friendl...counties, which produce mountains of nutrient-rich organic
wastes. Rather than use up precious landfill space with the wastes, the cities were glad to put the ...
New, Environmentally Friendly Technique For Separating Liquids Invented At UNC-CH
... atUNC-CH. "Very often these processes need to use organic
solvents which are notgood for our environment. Th...t allows carbon dioxide to be used toreplace these organic
solvents in liquid-liquid extractions." A report on the chemical process appears in the Sept...
Competitive Inhibition May Enhance Safety Of Minimally Processed Fruits And Vegetables
...tabolites produced by lactic acid bacteria include organic
acids,hydrogen peroxide, enzymes, and bacteriocins. They are produced during the LABmetabolism of sugar (sucrose, fructose, or glucose) naturally found in or addedto foods. The type of metabolite produced depends on the type of LAB in foodsand thei...
Researcher Discovers Plant Genes For Phosphate Uptake
...nts develop more roots. Some produce and release organic
acids and enzymes that can pry the nutrient away from the attraction of the soil clay and organic
matter. And in some plants, Raghothama says, phosphorus starvation flips a genetic switch that chang...
Max-Planck Researchers Unravel The Structure Of The Methane Forming Enzyme
...e final step of anoxic decomposition of complex organic
materials thereby producing about 109 tons of m... solutions, and has so far no equivalent in the organic
chemistry. The enzyme circumvents the problems in aqueous solution by wrapping the reaction in...
Biodiversity Worth $2.9 Trillion
...unted natural services of a diverse biota, such as organic
waste disposal, soil formation, biological nitrogen fixation, genetic resources to increase food crop and livestock yields, biological control of pests, plant pollination, pharmaceuticals and other nature-based products, ecotourism, and sequestratio...
Biogenic Emissions Higher Than Expected Over African Savanna
...o studying the role of isoprene and other volatile organic
compounds (VOCs) released by plants into the atmos...ne, and several other chemical compounds. Volatile organic
compounds were measured by aircraft and ground instruments. A 60-meter (200-foot) tower installed b...
New Report Sets Standard To Protect Natural Pest Control
...out the report, the value of Bt, and the threat to organic
farmers and biotechnology companies if Bt is lost. WHAT: Press breakfast and release of Now or Never: Serious New Plans to Save a Natural Pest Control WHERE: Old Ebbitt Grill (downstairs in Cabinet room)675 15th St., NW, Washington, DC WHEN: ...
Cellular Engineers Design Custom Cell Surfaces Able To Adhere To Synthetic Materials
...be engineered to control celladhesion to synthetic organic
polymers, metals, ceramics, and other materialsuse...fitted with the hydrazide group, such as ceramics, organic
thin films,and metals. The natural chemical precursor of sialic acid is called N-acetylmann...
Worm Wizardry: World's Most Heat-Tolerant Creature Suggests Enzymes For Drugs OrIndustry, UD Prof Says
...ed to conventional enzymes, and theycan operate in organic
solvents. Cary's latest findings on Alvinella pompejana (the Pompeii worm) shouldboost the global search for new "extremophiles"--organisms tough enough tothrive in hot, corrosive, high-pressure environments. The applications for theseorganisms see...
Phase Out Planned For One Of Top Five U.S. Pesticides, Plant Doctors Respond
...ed Changes of cultural practices that increase the organic
matterlevel of soil Soil solarization (the thermal heating of moist soil by sunlight) Electrical heating of soil Incorporation of biological control organisms What ever the alternative, "The loss of methyl bromide certainlypresents a significant ch...
Research Reveals Link Between Development And Contamination In Urban Watersheds
...the United Statesreveals a link between a class of organic
contaminants and urbanization.The organic
contaminants are known as polycyclic aromatic hydrocarbons(PAH's). This link is inferred from analys...
How Did Life Begin? Biochemical Evolution On Chemical Surfaces
...Tuesday, March 31, provides a theory for how small organic
molecules may have been able to assemble on the su...that there is too muchwater around for the kind of organic
chemistry that needed to take place," saidSmith, Louis Block Professor in the Geophysical Sciences. ...
Water Quality In Indiana's White River Basin Affected By Urban And Agricultural Activities
... ground water. "Concentrations of trace metals and organic
compounds in streambed sediments tended to be above background concentrations in urban areas, particularly Indianapolis," said Crawford. "Concentrations are generally not a human-health concern; however, fish-consumption advisories for PCB's and merc...
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