Researchers have developed a sensor made from "frozen smoke" that uses artificial intelligence techniques to detect formaldehyde in real time at concentrations as low as eight parts per billion, far beyond the sensitivity ...
Analytical Chemistry
Feb 9, 2024
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53
Pigments in fossil snail shells from Austria dating back 12 million years are the oldest known preserved dyes from the polyene group, as scientists from the Natural History Museum Vienna and the University of Göttingen have ...
Paleontology & Fossils
Feb 8, 2024
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1
Carboxylic acid dianions (fumarate, maleate, and succinate) play a role in coordination chemistry and, to some extent, also in the biochemistry of body cells. An HZB team at BESSY II has now analyzed their electronic structures ...
Analytical Chemistry
Feb 7, 2024
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35
The increasing concentration of ozone (O3) is a key factor contributing to the deterioration of air quality in China. O3 and its precursors, especially volatile organic compounds (VOCs), could be transported by air masses, ...
Earth Sciences
Feb 5, 2024
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11
A new study shows troubling levels of pharmaceutical pollution in the St. Lawrence River and its largest tributaries, especially near and downstream of urban areas. Some of the compounds detected even pose a moderate-to-high ...
Environment
Jan 31, 2024
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37
Marine anoxia is characterized by the oceans being severely depleted in dissolved oxygen, making them toxic and thus having devastating impacts on the organisms inhabiting them. One such event, known as Oceanic Anoxic Event ...
Have you ever wondered about that sharp, green note that hits your nose when you mow the lawn or cut flower stems? Those are green leaf volatiles, or GLVs: easily evaporated oils that plants use to communicate with other ...
Plants & Animals
Jan 29, 2024
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46
Organic compounds in the field of chemistry range from simple hydrocarbons to complex molecules, with diverse functional groups added to the main carbon backbone. These functional groups impart distinct chemical properties ...
Biochemistry
Jan 29, 2024
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14
Sulfate-nitrate-ammonium (SNA) and other atmospheric aerosols play a significant role in influencing both atmospheric and environmental conditions. These aerosols impact climate directly through scattering and absorbing solar ...
Earth Sciences
Jan 26, 2024
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3
The environmental risks of new pesticides containing nanoparticles are inadequately researched, according to four Leiden University scientists, who have published an article in the journal Environmental Science & Technology. ...
Ecology
Jan 25, 2024
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