Bumsoo Han (IMAGE) Purdue University Caption Bumsoo Han, a professor of mechanical engineering, developed a tool that is helping scientists to more efficiently discover and test new drugs for pancreatic cancer. Credit Purdue University/Rebecca McElhoe 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.