A team of chemists have found a potentially simple solution to degrading some forever chemicals.
, including decreased fertility, developmental delays in children, and an increased risk of certain cancers.
“PFAS has become a major societal problem,” said Northwestern University Professor William Dichtel, who led the study, in a press release. “Even just a tiny, tiny amount of PFAS causes negative health effects, and it does not break down. We can’t just wait out this problem. We wanted to use chemistry to address this problem and create a solution that the world can use. It’s exciting because of how simple—yet unrecognized—our solution is.
Researchers at the EPA U.S. hit on a better approach by chance two years ago, when they placed a PFAS compound in a common solvent called DMSO as part of a toxicity study, the PFAS compound began to degrade.studyThere is an uncharged group that often contains charged oxygen atoms at one end of a long tail of carbon-fluorine bonds. The team targeted this head group by heating the PFAS in a solvent called dimethyl sulfoxide with a common reagent called sodium hydroxide.
The PFAS compounds in this study are used in fire-fighting foams and the production of nonstick coatings. They contain a chemical group called a carboxylic acid, or a small cluster of carbon, oxygen, and hydrogen atoms. The next step will be to try this technique on additional PFAS.
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