Cancer cells in a microfluidic device (IMAGE) Purdue University Caption In microfluidic devices like this, Bumsoo Han's team observes how cancer cells behave in a simulated biological environment. Credit Purdue University photo/Jared Pike Usage Restrictions No restrictions. License Public Domain 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.