Global warming is not just a modern issue, but has occurred numerous times over Earth's history, with one such event happening 304 million years ago during the Late Paleozoic Ice Age (which spanned from 340 to 290 million ...
How to harness the potential of highly reactive radical molecules to work in pairs and spur transformative chemistry?
Analytical Chemistry
Jul 17, 2023
0
44
Odorous gases, which are unpleasant and strongly irritating to the eyes, nose, and respiratory tract, are ubiquitous in facilities such as septic tanks, sewage systems, livestock farms, and waste disposal plants. These gases ...
Analytical Chemistry
Apr 10, 2023
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16
Scientists at the U.S. Department of Energy's Brookhaven National Laboratory have produced the first atomic-level structure of an enzyme that selectively cuts carbon-hydrogen bonds—the first and most challenging step in ...
Biotechnology
Mar 30, 2023
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9
A team of Boston College researchers has demonstrated an unprecedented catalytic approach that enables concurrent control of multiple convergences and selectivities in intermolecular amination of allylic carbon-hydrogen bonds ...
Analytical Chemistry
Feb 2, 2023
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16
In chemicals used in agriculture, as well as in pharmaceuticals and a variety of materials, pyridines are often found as so-called functional units that decisively determine the chemical properties of substances. Pyridines ...
Analytical Chemistry
Nov 17, 2022
0
239
Polyethylene plastics—in particular, the ubiquitous plastic bag that blights the landscape—are notoriously hard to recycle. They're sturdy and difficult to break down, and if they're recycled at all, they're melted into ...
Polymers
Sep 29, 2022
1
167
Chemists from Scripps Research and the University of California, Los Angeles, have developed methods for the precise, flexible modification of a broad class of chemical compounds called bicyclic aza-arenes, which are commonly ...
Biochemistry
Aug 9, 2022
0
313
University of Wisconsin–Madison engineers have created a nanofiber material that outperforms its widely used counterparts—including steel plates and Kevlar fabric—in protecting against high-speed projectile impacts.
Nanomaterials
Feb 28, 2022
1
122
The United States generates more plastic trash than any other country—about 46.3 million tons of it—or 287 pounds per person a year, according to a 2020 study.
Polymers
Feb 7, 2022
4
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