EnteroTracker String Test (IMAGE) Children's Hospital Colorado Caption The EnteroTracker – commonly referred to as the “string test” – is being demonstrated here by one of its creators, Robin Shandas, Ph.D., professor and chair of bioengineering at the University of Colorado Denver, College of Engineering, Design and Computing. Credit Children's Hospital Colorado Usage Restrictions no 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.