Search results for nanograms

Ecology Jul 24, 2014

Insecticides similar to nicotine widespread in Midwest

Insecticides similar to nicotine, known as neonicotinoids, were found commonly in streams throughout the Midwest, according to a new USGS study. This is the first broad-scale investigation of neonicotinoid insecticides in ...

Cell & Microbiology Jul 23, 2014

Brand new technology detects probiotic organisms in food

In the food industr, ity is very important to ensure the quality and safety of products consumed by the population to improve their properties and reduce foodborne illness. Therefore, a team of Mexican researchers developed ...

Nanomaterials Jul 11, 2014

Voltammetry of microparticles used to date archeological artifacts made of copper and bronze

How can the age of archeological objects be determined if the well-established carbon dating method does not apply, for example for metal objects? Spanish and Portuguese scientists have now introduced a technique for dating ...

Biotechnology Jun 11, 2014

Scientists weed out pesky poison ivy with discovery of killer fungus

Much to the chagrin of gardeners, hikers, and virtually anyone enjoying the outdoors, one of the hazards of summer is picking up an itchy poison ivy rash.

Nanomaterials Feb 24, 2014

Microanalysis technique makes the most of small nanoparticle samples

Researchers from the National Institute of Standards and Technology (NIST) and the Food and Drug Administration (FDA) have demonstrated that they can make sensitive chemical analyses of minute samples of nanoparticles by, ...

Materials Science Feb 18, 2014

Metal in the heart is non-hazardous to health

Materials Scientists at the University of Jena examine implants made of nickel-titanium alloy in a long-term study: The team led by Professor Rettenmayr and his colleague Dr. Andreas Undisz report in the current issue of ...

Cell & Microbiology Jan 30, 2014

NIST cell membrane model studied as future diagnostic tool

Researchers at the National Institute of Standards and Technology (NIST) and in Lithuania have used a NIST-developed laboratory model of a simplified cell membrane to accurately detect and measure a protein associated with ...

Cell & Microbiology Sep 16, 2013

Biologists develop new method for discovering antibiotics

Biologists at the University of California, San Diego have developed a revolutionary new method for identifying and characterizing antibiotics, an advance that could lead to the discovery of new antibiotics to treat antibiotic ...

Plasma Physics Sep 6, 2013

New microplasma source excites matter in controlled way, may revolutionize how archaeologists date objects in the field

A team of researchers from Uppsala University in Sweden has designed a microplasma source capable of exciting matter in a controlled, efficient way. This miniature device may find use in a wide range of applications in harsh ...

Ecology Apr 22, 2013

Study shows reproductive effects of pesticide exposure span generations

(Phys.org) —North Carolina State University researchers studying aquatic organisms called Daphnia have found that exposure to a chemical pesticide has impacts that span multiple generations – causing the so-called "water ...

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