Âé¶¹ÒùÔº

Search results for nanograms

Bio & Medicine Apr 29, 2016

Detecting minute nano amounts in environmental samples

It is still unclear what the impact is on humans, animals and plants of synthetic nanomaterials released into the environment or used in products. It's very difficult to detect these nanomaterials in the environment since ...

Environment Apr 26, 2016

Monitoring toxic chemicals in coastal waters to protect wildlife

More investment is needed to develop better analytical tests to measure, and therefore help control, the amount of toxic chemicals called organotins that enter the environment, according to a review published in Trends in ...

Biochemistry Apr 20, 2016

Fighting antibiotic resistance—how bacteria knit their 'sugar armour' at the single-molecule level

In a new paper published in Nature Chemistry, Dr. Lingbing Kong in Oxford University's Department of Chemistry takes an in-depth look at capsular polysaccharides, or 'sugar armour' – the outermost layer of bacteria that ...

Nanophysics Mar 28, 2016

Researchers make biosensor one million times more sensitive

Âé¶¹ÒùÔºicists and engineers at Case Western Reserve University have developed an optical sensor, based on nanostructured metamaterials, that's 1 million times more sensitive than the current best available—one capable of identifying ...

Analytical Chemistry Feb 2, 2016

Scientists have put a high precision blood assay into a simple test strip

Researchers from the General Âé¶¹ÒùÔºics Institute of the Russian Academy of Sciences (GPI RAS) and Moscow Institute of Âé¶¹ÒùÔºics and Technology (MIPT) have developed a new biosensor test system based on magnetic nanoparticles. ...

Ecology Jan 28, 2016

Bedbugs develop resistance to widely used chemical treatments, rendering them ineffective

One of the most widely used commercial chemicals to kill bedbugs are not effective because the pesky insects have built up a tolerance to them, according to a team of researchers from Virginia Tech and New Mexico State University.

Archaeology Nov 23, 2015

Time travel with the molecular clock

Migration isn't a new phenomenon, but new insights suggest that modern-day Europeans actually have at least three ancestral populations. This finding was published by Johannes Krause and prominently featured on the cover ...

Materials Science Nov 6, 2015

Structure and configuration of Jurassic pigments reveal unique naturally-occurring boron metabolites

(Âé¶¹ÒùÔº)—A group of researchers from the University of Göttingen, the Max Planck Institute for Biophysical Chemistry, and the University of Linz has determined the structure and origin of Jurassic period borolithochromes. ...

Analytical Chemistry Oct 28, 2015

Testing for secondhand marijuana exposure

With increased legalization of marijuana for medicinal and recreational purposes, interest is growing in the potential health effects of its secondhand smoke. A team now reports in ACS' journal Analytical Chemistry the development ...

Environment Oct 14, 2015

Parabens and their byproducts found in dolphins and other marine mammals

The common cosmetic and drug preservatives known as parabens are in thousands of products—and, at low levels, in the vast majority of Americans. Recent studies have raised concerns that the compounds might have unwanted ...

page 14 from 24