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4,621 Current news from usarss
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Highly porous sponge selectively soaks up oil, sparing water and wildlife
A Northwestern University-led team has developed a highly porous smart sponge that selectively soaks up oil in water. With an ability to absorb more than 30 times its weight in oil, the sponge could be used to inexpensively and efficiently clean up oil spills without harming marine life. After ...
Holy grail of synthesis: Carbon-hydrogen bonds in hydrocarbon molecules have resisted functionalization until now
The most common chemical bond in the living world -- that between carbon and hydrogen -- has long resisted attempts by chemists to crack it open, thwarting efforts to add new bells and whistles to old carbon-based molecules. Now, after nearly 25 years of work by chemists at the University of ...
Chemists look to the future of materials design
Scientists at the University of South Carolina and Columbia University have developed a faster way to design and make gas-filtering membranes that could cut greenhouse gas emissions and reduce pollution. Their new method, published in Science Advances, mixes machine learning with synthetic ...
Researchers adapt 2D 'sandwich' for surface-enhanced Raman spectroscopy
A sandwich of molybdenum, sulfur and selenium turns out to be deliciously useful for detecting biomolecules. Tests at Rice University's Brown School of Engineering of a two-dimensional Janus compound showed it could be an effective and universal platform for improving the detection of ...
UMass Amherst team introduces high-performing 'green' electronic sensor
Writing in the journal NanoResearch, a team at the University of Massachusetts Amherst reports that they have developed bioelectronic ammonia gas sensors that are among the most sensitive ever made. The sensor uses electric-charge-conducting protein nanowires derived from the bacterium Geobacter ...
Artificial intelligence techniques accurately calculate the energy required to make -- or break -- simple molecules
A new machine learning tool can calculate the energy required to make -- or break -- a molecule with higher accuracy than conventional methods. While the tool can currently only handle simple molecules, it paves the way for future insights in quantum chemistry. "Using machine learning to solve ...
Hollow metal halide perovskite nanocrystals with efficient blue emissions
Florida State University researchers have discovered a novel structure for organic-inorganic hybrid materials that shows potential for more efficient technologies. Professor of Chemistry and Biochemistry Biwu Ma and his team have published a new study in the journal Science Advances that explains ...
Novel nanostructure design lends extraordinary strength to a promising storage ingredient
The same material you'll find at the tip of a pencil--graphite--has long been a key component in today's lithium-ion batteries. As our reliance on these batteries increases, however, graphite-based electrodes are due for an upgrade. For that, scientists are looking to the element at the heart of ...
MOF can efficiently separate biobutanol from the fermentation broth
An international research collaboration has taken an important step toward the commercially viable manufacture of biobutanol, an alcohol whose strong potential as a fuel for gasoline-powered engines could pave the path away from fossil fuels. The key breakthrough is the development of a new metal ...
Discovery could drastically reduce ethylene production costs
A research team led by North Carolina State University has engineered a new catalyst that can more efficiently convert ethane into ethylene, which is used in a variety of manufacturing processes. The discovery could be used in a conversion process to drastically reduce ethylene production costs ...