Charles Rice, University of Oklahoma (IMAGE) University of Oklahoma Caption Rice and team have been able to invigorate older drugs from the penicillin family by combining them with BPEI. Credit University of Oklahoma 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.