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Pure in Biological News

Experts lay to rest long-held misconceptions about high fructose corn syrup at ILSI-USDA workshop

... links to research testing high levels of pure fructose, and then generalizing those findings to ... conference experts concluded that studies testing pure fructose at levels not seen in the typical diet ... to extrapolate experimental outcomes derived from pure fructose ...

Pure fructose frequently confused with high fructose corn syrup

... two distinctly different ingredients, such as pure fructose and high fructose corn syrup, creates ... and misleads consumers. Recent studies using pure fructose that purport to show that the body ... are a classic example of this problem because pure fructose cannot be extrapolated to high fructose ...

New research suggests biofuel blending is often inaccurate

... Marine chemist Chris Reddy and colleagues sampled pure biodiesel and blends from more than a dozen ... one of the leading consumers of the products. pure biodiesel (B100) is a chemically prepared mixture ... The nation does have an enforceable standard for pure biodiesel. The new fuel blending research ...

Hearing changes how we perceive gender

... The researchers took advantage of the fact that pure tones can be used to deliver individual frequency ... that when an androgynous face was paired with a pure tone that fell within the female ... female. But when the same face was paired with a pure tone in the male fundamental-frequency range, ...

American Chemical Society's Weekly PressPac -- Sept. 19, 2007

... ARTICLE #2 FOR IMMEDIATE RELEASE Toward pure white light: Next-generation LEDs show bright ... a white LED, a light-emitting diode that produces pure white light suitable for interior lighting of ... have faced several difficulties in developing pure white LEDs with all the requirements and ...

American Chemical Society weekly presspac -- June 10, 2009

... diode) those ultra-efficient, long-lived light sources that emits pure white light. The new approach yielded what the scientists describe as the most efficient and stable source of pure white light ever achieved. The advance could speed the development of this ...

Monitoring water through a snake's eyes

... can detect "colors" in the infrared spectrum which distinguish between pure and contaminated water. Not visible to the naked eye, this spectrum is ... its drinking water. "With our naked eyes we can't distinguish between pure water and water that contains a small amount of alcohol or acetone. ...

American Chemical Society's weekly PressPac -- May 6, 2009

... To test their method, the scientists obtained three different varieties of pure honey from a single beekeeper and then prepared adulterated samples of the ... that the new technique accurately distinguished the impure honeys from the pure versions based on differences in their sugar content. MTS ARTICLE #3 ...

American Chemical Society's weekly PressPac -- March 11, 2009

... metal. Those wires could be woven into the first self-supporting webs of pure platinum for fuel cell electrodes. By a process known as ... laboratory equipment, lack of refrigeration and unreliable sources of pure water. Many of the new tests require no instruments and can be read and ...

Biophysical Reviews makes debut in 2009

... The International Union for pure and Applied Biophysics (IUPAB) and Springer will launch the journal ... Professor Kuniaki Nagayama, President of the International Union for pure and Applied Biophysics, said, "The IUPAB requires a useful and broadly ...

AGU journal highlights -- Dec. 31, 2008

... impact craters in ice and of the physics of impact cratering into pure ice, the authors interpret ring mold craters to result from projectiles hitting relatively pure ice below a thin debris layer. These results support the hypothesis that ...

Mysterious microbe may play important role in ocean ecology

... by the host," he said. Zehr's team was able to obtain a mostly pure sample of these unique cyanobacteria using a flow cytometer--a device that ... up a small percentage of the original sample can be concentrated to nearly pure levels using flow cytometry. The team harvested DNA from the ...

Building a better bee

... bees collected from throughout the United States to create a more pure strain. "Over time, it has proven very productive, winter hardy, ... pests and disease," she said. "For many years I have wanted to work with pure Carnica. Now I can." Cobey imported semen from Germany in 2006 and ...

New chlorine-tolerant, desalination membrane hopes to boost access to clean water

... (cooling water for electric power generation stations) and generation of pure water requires energy to separate the salt from the water. That energy is ... are working on, one could reduce the carbon footprint required to produce pure water." Freeman says McGrath and his research group developed novel ...

Wasps and bumble bees heat up, fly faster with protein-rich food

... bait were hottest. "If they encounter a very high-protein source, such as pure chicken meat, their thoracic temperatures are dramatically higher than ... ( Bombus impatiens ) in a cool room at UCSD where they offered the insects pure pollen or pollen that had been cut to 75, 50 or 25 percent by weight with ...

Super atoms turn the periodic table upside down

... applications include catalysts in fuel and extra-conductive crystals. pure So although super atoms are nothing new, thanks to TU Delft the particles can now be collected in a very pure form and selected according to size, thereby making them suitable for ...

Manufactured Buckyballs don't harm microbes that clean the environment

... were released into the environment." The third naturally occurring pure carbon molecule known, Buckyballs are nano-sized, multiple-sided ... was once popular in modern architecture. The other naturally occurring pure carbon molecules are graphite and diamonds. Manufacture of Buckyballs, ...

Crowning glory

... is the material of choice for many dental and medical implants. However pure titanium has a biologically inert surface, which makes it biocompatible ... particles. This material can be used to provide a layer on the surface of pure titanium that its developers hoped will lead to better incorporation of ...

Unexplored microbes hold incredible potential for science and industry

... at surfaces. Microbiology needs to move beyond its dependence on pure cultures of organisms and appreciate the value of the defined but mixed ... that have coevolved to fit one another's functions and isolate them in pure cultures. Current technologies for making measurements at the ...

Kilogram quantities at last!

... of the two isomers has not been possible. A fermentative synthesis of the pure compound has also not worked. Giannis team has now finally done it, ... After the biomass is filtered out, electrodialysis is used to obtain the pure acids. The researchers use a trick to separate citric acid from isocitric ...

Final preparations for first human-rated spacecraft to be lauched from Europe's Spaceport

... we have disinfected all the surfaces inside the pressurised module with pure hydrogen peroxide. Even if it is launched unmanned, Jules Verne respects ... module is closed and sealed, its air can be purged and replaced by pure synthesised air. The main purpose of this operation is to ensure that the ...

Fuel cells gearing up to power auto industry

... more testing of how the durability of this new catalyst compares to pure platinum is necessary, the preliminary results look promising. The initial results show that durability is improved over pure platinum, but only longer-term testing can tell, Strasser said. Long-term ...

Rare albino ratfish has eerie, silvery sheen

... of white spots so it blends in with the sediments." This fish was almost pure white with a crystalline layer near the surface of its skin that gave it a ... albino ratfish but never completely albino." Palsson says the only other pure albino marine organism of any kind that he's seen in Puget Sound was a sea ...

Leicester research paves way for first use in Europe of an insect to fight invasive plant

... starting a Biological Control program for Japanese Knotweed. At a stroke the Japanese Knotweed research program that had been carried out from pure academic interest acquired an important and unforeseen application. Two of the basic tenets of Biological Control are 1 understand the plants you are ...

Microbes and their hosts -- exploring the complexity of symbiosis in DNA and cell biology

... online at www.liebertpub.com/dna "Symbiosis is one of the most rapidly growing fields in ... After decades of focusing on bacteria in pure culture, it is evident that to manage them for our benefit, we need to understand bacteria in association with the complex biological environments ...

Silicon with afterburners: Process developed at Rice could be boon to electronics manufacturer

... Professor of Chemistry and professor of mechanical engineering and materials science and of computer science. Doping introduces impurities into pure crystalline silicon as a way of tuning microscopic circuits to a particular need, and it's been effective so far even in concentrations as small as ...

Wolf reintroduction proposed in Scottish Highland test case

... of their effects on red deer populations, behavior, and hopefully ecosystem recovery. Researchers believe that areas in Scotland now dominated by pure pine trees were once a diverse mixture of mixed pine, birch forest, abundant alder, rowan, willow, aspen, bird cherry and juniper, with scattered ...

New way to make sensors that detect toxic chemicals

... method that yields very small particles -- which give the sensor a large surface area to capture chemical molecules from the air -- and very pure particles -- which enable the sensor to detect even very small quantities of a substance. Each particle of nickel oxide measures only about 50 ...

Toxic molecule may help birds 'see' north and south

... after he and his colleagues discovered that magnetic fields can influence chemical reactions if the reactions occur quickly enough to be governed by pure quantum mechanics. "Prior to our work, it was thought that this was impossible because magnetic fields interact so weakly with molecules," he ....

Why do we choose our mates? Ask Charles Darwin, prof says

... Charles Darwin wrote about it 150 years ago: animals don't pick their mates by pure chance it's a process that is deliberate and involves numerous factors. After decades of examining his work, experts agree that he pretty much ...

Mars mission could ease Earth's energy supply crisis

... here on Earth. The new research is a direct solution to our worsening energy supply crisis and is a great example of the seamless interaction of pure and applied science with engineering to solve real world environmental and commercial issues. Professor Sephton's work is well aligned with the ...

Natural seed treatment could drastically cut pesticide use

... into commercially-viable products that proved the commercial potential of treating seeds with jasmonic acid. 'The seed treatment started out as pure ecology, but with the support of our funders and now PBL and Becker Underwood, it's developed into a new technology that could really help improve ...

Quality and purity of popular stevia sweetener strengthened by new reference standards

... related aspects of safety, of the products they provide to consumers. The reference standards for Rebaudioside A and Stevioside are authenticated pure chemicals against which both producers and purchasers can compare their ingredients to help ensure and substantiate the identity, quality, purity, ...

Queen's scientists discover eco-friendly wood dissolution

... needed. By controlled addition of water and a water-acetone mixture, the dissolved wood was partially separated into a cellulose-rich material and pure lignin. This process is much more environmentally-friendly than the current method as it uses less heat and pressure and produces very low ...

Plastic that grows on trees, part two

... as an ionic liquid to convert the simple sugars into HMF. The chemical, a metal chloride known as chromium chloride, converted sugar into highly pure HMF. But to be able to feed cellulosic biomass directly from nature, the team still needed to break down cellulose into simple sugars -- Zhang and ...

Major funding to help cut CO2 emissions

... Cranfield University, the University of Kent, and the University of Cambridge on the oxyfuel combustion process in which coal is burned in a mix of pure oxygen and power station flue gases, creating a stream of CO 2 that can be captured for storage. Dr Trevor Drage said: "The funding brings ...

Illinois Soil Nitrogen Test measures microbial nitrogen

... the ISNT measures and its relationship to microbial growth in agricultural soils. A multifaceted approach was taken, involving recovery tests with pure organic nitrogen compounds, statistical analyses of different nitrogen fractions measured for 26 Illinois agricultural soils, and incubation studies ...

Managing Douglas-fir forests for diversity

... per acre. About 8 years later (ages 23 to 25), the scientists found that: Three very different stand structures emerged. Highly productive, pure stands of Douglas-fir, 39 to 52 feet tall, occurred where hardwoods were completely removed at age 2 years. Where 25 percent of the original ...

George M. Whitesides receives inaugural Dreyfus prize in the chemical sciences

... influence in chemistry research." George Whitesides has received many awards. Among those from the American Chemical Society are the Award in pure Chemistry, the Arthur C. Cope Award, and the Society's highest award, the Priestley Medal. From other institutions his awards include the Materials ...

True grit

... USA. The scientists found that the sea urchins' teeth contain crystals of magnesium calcite, which are smaller, harder and denser than those of pure calcite; they are concentrated at the grinding tip of the tooth, particularly in the tip's center, where the most force is being exerted in the ...
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(Date:8/26/2014)... the globe is pumping far more pollution into the ... led by the National Center for Atmospheric Research estimates ... is burned in such fires, emitting gases and particles ... , The new study provides the first rough estimates, ... carbon monoxide, and mercury that are emitted by the ...
(Date:8/26/2014)... suggested an increased risk of autism among children ... actually reflect the known increased risk associated with ... advance online publication in Molecular Psychiatry , ... while a diagnosis of autism spectrum disorder ... prescribed antidepressants during pregnancy than in those with ...
(Date:8/26/2014)... and the PETA International Science Consortium, LTD (PISC) scientists ... World Congress on Alternatives and Animal Use in the ... use of animals in research, testing and medical training, ... oversight systems. , At the conference, which is being ... PISC will present seven oral and poster presentations, including: ...
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(Date:8/27/2014)... Aviv Some 30 percent of all positive hospital ... "contaminated" they reflect the presence of skin germs ... toss these compromised samples into the trash, clinicians may ... bacteria identified by these tests to treat patients with ... say. Dr. Gidi Stein and Dr. Danny Alon of ...
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