Cages (IMAGE) University at Buffalo Caption A study finds that self-assembling molecular traps interact with certain PFAS. The traps, photographed here, are microcrystals that are purple in color. Credit Credit: Heshali Welgama Usage Restrictions This image may only be used with news stories describing the research in the associated press release. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.