Dr David De Oliveira in the lab (IMAGE) University of Queensland Caption UQ's Dr David De Oliveira in the lab, testing the efficacy of PBT2 in disrupting and killing antibiotic-resistant Gram-negative bacteria. Credit The University of Queensland Usage Restrictions To be only used with this story. Must be credited. 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.