Inkjet-Printed Water Test Strips (image) University of Massachusetts at Amherst Caption UMass Amherst chemist Vincent Rotello, with researchers in Pakistan, is developing and testing sensitive new nanoparticle-based test strips printed on an inkjet printer for detecting disease-causing bacteria in drinking water. They hope the invention will improve the health of millions around the world. Credit Vincent Rotello, UMass Amherst Usage Restrictions None 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.