In June, an advisory panel of the U. S. Food and Drug Administration recommended banning certain prescription pain relievers containing acetaminophen because of the drug's potential to cause liver damage when used in high doses. Mark Trudell and colleagues note in the study that scientists recently discovered a new form of acetaminophen that has similar potency to the original drug with a lower risk of liver toxicity. But until now, scientists have had difficulty producing this substance in quantities suitable for industrial scale-up.
The researchers describe a simple, efficient method for producing the new pain-reliever using only a few starting materials and a short series of chemical reactions. In laboratory studies, they used the new method to produce multigram quantities of the substance with 99 percent purity. The scientists point out that the new process can be performed on a much larger production level if needed.
Michael Woods | EurekAlert!
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For the first time ever, a cloud of ultra-cold atoms has been successfully created in space on board of a sounding rocket. The MAIUS mission demonstrates that quantum optical sensors can be operated even in harsh environments like space – a prerequi-site for finding answers to the most challenging questions of fundamental physics and an important innovation driver for everyday applications.
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Researchers from the University of Hamburg in Germany, in collaboration with colleagues from the University of Aarhus in Denmark, have synthesized a new superconducting material by growing a few layers of an antiferromagnetic transition-metal chalcogenide on a bismuth-based topological insulator, both being non-superconducting materials.
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Laser-driving of semimetals allows creating novel quasiparticle states within condensed matter systems and switching between different states on ultrafast time scales
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