Dr Luis Padrela UL 0027 (IMAGE) University of Limerick Caption Dr Luis Padrela, lecturer in industrial biochemistry and Professor Kevin Ryan, Chair in Chemical Nanotechnology at University of Limerick, Ireland. Credit Photo: Oisin McHugh True Media Usage Restrictions This image may only be used in connection with this story and with appropriate caption and credit. 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.