Antibiotic resistance researchers (IMAGE) Washington State University Caption Postdoctoral researcher Abdelrhman Mohamed and graduate student Gretchen Tibbitts used an electric probe to measure bacterial electrochemical signals and to identify antibiotic resistance in less than 90 minutes. Credit WSU Usage Restrictions None License Original 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.