Reliable colorimetric analysis technologies have been widely praised for their highly sensitive and selective responses towards various contaminants in environmental monitoring. In principle, the chromogenic agent selectively ...
Analytical Chemistry
Jan 17, 2023
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9
NIMS, Harvard University and the University of Connecticut have designed and fabricated a simple device capable of imaging a gas injected into it in multiple colors in accordance with its gaseous properties, enabling chromatic ...
Analytical Chemistry
Dec 15, 2022
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4
Scientists including an Oregon State University materials researcher have developed a better tool to measure light, contributing to a field known as optical spectrometry in a way that could improve everything from smartphone ...
Optics & Photonics
Oct 29, 2022
2
843
A team from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences has developed a high-sensitivity differential Helmholtz photoacoustic cell and successfully applied it to methane detection.
Optics & Photonics
Sep 28, 2022
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1
As paint thinner, ink and adhesives dry, they can release volatile organic compounds (VOCs), which can negatively impact health. Typically, one of those VOCs is xylene, which exists as three isomers with the same elements ...
Analytical Chemistry
Jun 8, 2022
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74
The chemical composition of lichens depends on the basis (substrate) on which they grow. In this way lichens adapt to adverse conditions—such as a high level of acidity (low pH) or the presence of toxic metals. A new property ...
Plants & Animals
Jun 6, 2022
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32
The Back River in Baltimore County is unsafe for drinking, swimming or any human contact, Maryland environmental officials declared Friday amid ongoing concerns about failing systems at the Back River Wastewater Treatment ...
Environment
Apr 25, 2022
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69
Hundreds of fish species live in the Salish Sea, and many face a number of threats. Monitoring the health of these fish populations is crucial. But with nearly 5,000 miles of coastline and more than 400 islands, it's no small ...
Ecology
Mar 24, 2022
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30
Graphene, an atomic-thick sheet of carbon has found immense applications in gas sensors due to its single-molecule sensitivity, low-noise levels, and high carrier density. However, graphene's much-heralded sensitivity also ...
Nanomaterials
Mar 17, 2022
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95
Cows moo. Wolves howl. Birds tweet. And fish, it turns out, make all sorts of ruckus.
Plants & Animals
Mar 2, 2022
0
132
