Boron Nitride Exfoliation and Protonation (IMAGE) University of Illinois Chicago Caption Treatment with a superacid causes boron nitride layers to separate and become positively charged, allowing for it to interface with other nanoparticles, like gold. Credit Berry, et al Usage Restrictions None 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.