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Analytical Chemistry news

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 ...

dateOct 28, 2015 in Analytical Chemistry
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Steaming out some of luminol's wrinkles

Luminol gets trotted out pretty frequently on TV crime shows, but a new technique might someday compete with the storied forensics tool as a police procedural plot device and, perhaps more importantly, as a means of solving ...

dateOct 23, 2015 in Analytical Chemistry
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Why van Gogh's Sunflowers are wilting

The colour of Vincent van Gogh's famous Sunflowers is changing over time, because of the mixture of pigments used by the Dutch master in his painting. Evidence for the process now comes from a detailed spectroscopic investigation ...

dateOct 20, 2015 in Analytical Chemistry
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Why Matisse's bright yellow pigments fade to beige

An international team of scientists led by Jennifer Mass, Winterthur Museum's senior scientist and an affiliated University of Delaware faculty member, has announced new findings on why a bright yellow pigment favored a century ...

Building a better microscope to see at the atomic level

One of the more famous images in biology is known as "Photo 51," an image of DNA that chemist Rosalind Franklin and Raymond Gosling created in 1952 by shooting X-rays through fibers of DNA and analyzing the patterns they ...

A fast cell sorter shrinks to cell phone size

Commercial fluorescence activated cell sorters have been highly successful in the past 40 years at rapidly and accurately aiding medical diagnosis and biological studies, but they are bulky and too expensive ($200,000 -$1,000,000) ...

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