Xuan Li and Seockmo Ku, Purdue University (IMAGE) Purdue University Caption Purdue University doctoral students, from left, Xuan Li and Seockmo Ku operate a new system that concentrates foodborne salmonella and other pathogens faster than conventional methods, representing a potential new tool for speedier detection. The research is led by Michael Ladisch, center, a distinguished professor of agricultural and biological engineering. A publication-quality photo is available at http://www.purdue.edu/uns/images/2013/ladisch-concentration.jpg Credit (Purdue University photo/Steven Yang) 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.