Nano Tweezers (IMAGE) University of Minnesota Caption Atomically sharp edges of electrically driven graphene can act as 'tweezers' that rapidly trap biomolecules from the surrounding solution. Credit In-Ho Lee, University of Minnesota Usage Restrictions With credit to In-Ho Lee, University of Minnesota 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.