Professor Richard Payne (IMAGE) University of Sydney Caption Professor Richard Payne from the School of Chemistry and ARC Centre of Excellence for Innovations in Peptide and Protein Science. Credit University of Sydney Usage Restrictions for this story only 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.