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March 24, 2021
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Can microbes save us from PFAS?
Can microbes save us from PFAS?
Per- and polyfluoroalkyl substances (PFAS) are high-profile environmental contaminants whose strong carbon-fluorine bonds make them difficult to degrade. Scientists have reason to believe that microbes could be enlisted to do the job. These researchers have identified microbes that defluorinate select PFAS to different extents, and they are working to identify the mechanisms behind PFAS breakdown. Some are aiming to boost the microbes' activity to achieve complete defluorination, while others are developing practical ways to combine microbes with chemical remediation of contaminated water and soil. Because the odds are stacked against microbes being able to conquer PFAS on their own, researchers also say that regulatory agencies should restrict PFAS use without delay.
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Total synthesis of ritterazine B gives enough to study the molecule's therapeutic potential.
MEDICINAL CHEMISTRY
Total synthesis of ritterazine B gives enough to study the molecule's therapeutic potential.
Anticancer compound ritterazine B is difficult to study because it is only made by a symbiotic organism that lives on sea squirts. Scientists now report the first total synthesis of the compound, making it possible to investigate its use as a drug.
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Which air purification technologies can tackle COVID-19?
COVID-19
Which air purification technologies can tackle COVID-19?
The underlying technologies in air purifiers broadly fall into four categories: filtration, ultraviolet disinfection, electrical ionization, and catalytic oxidation. Some of these have been around for decades, but do they work against SARS-CoV-2?
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Faculty beliefs about active learning hinder adoption.
EDUCATION
Faculty beliefs about active learning hinder adoption.
Active learning approaches are more effective than lecture-based instruction, but many instructors still spend the bulk of class time lecturing. A new, large-scale survey reveals why.
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The oily secretions from skin may carry signatures of Parkinson's disease.
NEUROSCIENCE
The oily secretions from skin may carry signatures of Parkinson's disease.
Changes to lipid profiles in sebum of people with Parkinson's offers a new way to track disease progression
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Learn about the Consider Corn Challenge III
CCCIII looks to establish novel biomaterials, products, and technologies utilizing corn.
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FEATURED CONTENT
Live long and prosper.
STEREO CHEMISTRY
Live long and prosper.
Living longer has been a human obsession for centuries, but it's not enough to expand the average life span if those extra years aren't healthy. Follow along as host Kerri Jansen and reporter Laura Howes ask if instead of extending life span, we could extend health span, and how modern science could make that a reality.
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COMIC RELIEF
Ring stand-up comedy.
Ring stand-up comedy.
Here's the latest in Sketch Chemistry by Chemscrapes' Brendan Burkett.
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Strem Chemicals
New Air-Stable Ni Catalyst and GPhos Ligand!
Visit strem.com for catalysts, ligands, CVD/ALD precursors, metal carbonyls, nanomaterials, and more.
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