Food Tests (1 of 2) (IMAGE) Colorado State University Caption Katherine Boehle, a graduate student in Chuck Henry's lab at Colorado State University, holds an electrochemical test strip that can detect harmful bacteria in water. Credit Henry Lab/Colorado State University 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.