Âé¶¹ÒùÔº

Search results for nanograms

Analytical Chemistry Mar 1, 2017

How to monitor urine in pools—by testing sweetness

Even though Olympic swimmers have admitted doing it, peeing in the pool is not a condoned practice. Urine contributes to the formation of compounds in pool water that can be harmful to people's health. Now scientists are ...

Biochemistry Feb 22, 2017

Study says drugs could be developed cheaper and faster

Chemists at the University of Waterloo, SCIEX and Pfizer have discovered a new way to help the pharmaceutical industry identify and test new drugs, which could revolutionize drug development, and substantially reduce the ...

Analytical Chemistry Jan 11, 2017

Testing breast milk for cannabinoids

With the legalization of medical and recreational marijuana spreading across the country, the drug's use is reportedly increasing among pregnant women. It stands to reason that many of these women will continue to use marijuana ...

Analytical Chemistry Nov 2, 2016

Detecting potentially harmful mycotoxins in beer

Beer is one of the world's most popular alcoholic beverages. But, made with barley, brews can contain low levels of mycotoxins, which are produced by fungi that can contaminate grains. Although not a major health threat, ...

Analytical Chemistry Sep 9, 2016

Engineers develop the 'potalyzer,' a roadside saliva test for marijuana intoxication

This November, several states will vote whether to legalize marijuana use, joining more than 20 states that already allow some form of cannabis use. This has prompted a need for effective tools for police to determine on ...

Nanomaterials Jul 18, 2016

'Jumping film' harnesses the power of humidity

Scientists from the RIKEN Center for Emergent Matter Science (CEMS) and the University of Tokyo have developed a film that curls up and straightens out autonomously when exposed to tiny, barely measurable changes in ambient ...

Environment May 11, 2016

Tent camping could lead to flame retardant exposure

For campers, nothing beats sleeping in a tent in the great outdoors. But scientists are finding out the air inside tents might not be as fresh as people think. A study appearing in Environmental Science & Technology has found ...

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 ...

page 13 from 24