Reguera Biofilm (IMAGE) Michigan State University Caption This microbe, developed to clean up nuclear waste and patented by Gemma Reguera, an MSU microbiologist, has just been improved. Credit Photo by Dena Cologgi 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.