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News articles about "Substances"

Unique method creates correct mirror image of molecule

Molecule, molecule
Many molecules have a right and a left form just like shoes In pharmaceuticals it is important that the correct form of the molecule is used Researchers at the University of Gothenburg Sweden have been ... - Read More

Dust in the clouds: Cirrus clouds form around mineral dust and metallic particles

Mineral
At any given time cirrus clouds the thin wisps of vapor that trail across the sky cover nearly one third of the globe These clouds coalesce in the upper layers of the troposphere often more ... - Read More

Ubiquitous engineered nanomaterials can cause lung inflammation: Substances are used in everything from paint to sporting equipment

Substances
A consortium of scientists from across the country has found that breathing ultrafine particles from a large family of materials that increasingly are found in a host of household and commercial products from sunscreens to ... - Read More

New plant protein discoveries could ease global food and fuel demands

Fuel
New discoveries of the way plants transport important substances across their biological membranes to resist toxic metals and pests increase salt and drought tolerance control water loss and store sugar can have profound implications for ... - Read More

Silicone liquid crystal stiffens with repeated compression: Discovery may point toward self-healing materials

Crystal, Crystal, Crystal, Crystal, Silicone, Crystal, Crystal, Crystal, Silicone, Silicone, Silicone, Crystal, Crystal, Crystal, Crystal, Crystal, Crystal
Squeeze a piece of silicone and it quickly returns to its original shape as squishy as ever But scientists at Rice University have discovered that the liquid crystal phase of silicone becomes 90 percent stiffer ... - Read More

Counter-intuitive behavior of microgel composed of soft polymer blobs

Being a physicist offers many perks For one it allows an understanding of the substances ubiquitous in everyday industrial products such as emulsions gels granular pastes or foams These are known for their intermediate behaviour ... - Read More

Just what makes that little old ant… change a flower's nectar content?

sugar
Ants play a variety of important roles in many ecosystems As frequent visitors to flowers they can benefit plants in their role as pollinators when they forage on sugar rich nectar However a new study ... - Read More

'Seeing' the Flavor of Foods

taste and odor Now we are beginning to understand that flavor depends on parts of the brain that involve taste odor touch and vision The sum total of these signals plus our emotions and past ... - Read More

High Levels of Lead Detected in Rice Imported From Certain Countries

Rice imported from certain countries contains high levels of lead that could pose health risks particularly for infants and children who are especially sensitive to lead’s effects and adults of Asian heritage who consume large ... - Read More

GUMBOS Technology Promises New Drugs, Electronic Devices

particles so small that 100 000 could fit across the width of a human hair “We believe that these GUMBOS represent a truly different approach to micro and nanotechnology ” said Professor Isiah Warner Ph ... - Read More

On Yak-a-mein Soup, a.k.a., 'Old Sober' 

an effective remedy and with the scientific basis revealed only years later ” Mitchell spoke on the chemistry and physiology of the hangover at a symposium “Chemistry of the Bar ” which connects with the ... - Read More

Surf's up: Turbulence tells sea urchins to settle down

sea
Tumbling in the waves as they hit a rocky shore tells purple sea urchin larvae it's time to settle down and look for a spot to grow into an adult researchers at the University of ... - Read More

New Evidence That Natural Substances in Green Coffee Beans Help Control Blood Sugar Levels

Scientists today described evidence that natural substances extracted from unroasted coffee beans can help control the elevated blood sugar levels and body weight that underpin type 2 diabetes Their presentation on chlorogenic acids ― widely ... - Read More

American Chemical Society's Highest Honor Goes to Pioneer of "Lego-Like" Molecules

Peter J Stang Ph D distinguished professor of chemistry at the University of Utah and editor of the Journal of the American Chemical Society JACS has been named winner of the 2013 Priestley Medal by ... - Read More

Polluting Plastic Particles Invade the Great Lakes

was 24 percent higher in the Great Lakes than in samples they collected in the Southern Atlantic Ocean With a volume equal to 1.65 million Olympic swimming pools the Great Lakes are the largest group ... - Read More

Seemingly Small Research Funding Cuts Could Hinder Progress in Nanotechnology

to liquid petroleum products Natural gas is widely seen as a cleaner energy source than other fossil fuels like coal and petroleum Alivisatos described nanoparticle based technologies that promise to improve existing conversion processes The ... - Read More

Widely Used Filtering Material Adds Arsenic to Beers

the risk of alcohol poisoning is a far more realistic concern as stated in previous studies on the topic ” Coelhan pointed out that beers produced in at least six other countries had higher arsenic ... - Read More

First Tests of Old Patent Medicine Remedies From a Museum Collection

What was in Dr F G Johnson’s French Female Pills and other scientifically untested elixirs nostrums and other quack cures that were the only medicines available to sick people during the 18th 19th and early ... - Read More

Ready for Debut: Fruit-Juice-Infused Chocolate with 50 Percent Less Fat

the texture that is firm and snappy to the bite and yet melts in the mouth The process also prevents “sugar bloom ” the unappetizing white film that coats the surface of chocolate that has ... - Read More

Nobel Laureates and Their Research Teams at American Chemical Society Meeting

At least nine Nobel laureates have research that will be presented here this week during the 245th National Meeting & amp Exposition of the American Chemical Society the world’s largest scientific society Research from the ... - Read More
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