Microfluidic Device (image) University of Washington Caption This prototype of a microfluidic device has both curved and straight channels for transporting tissue biopsies. The silicon material is lightweight, flexible and transparent. Credit U of Washington. Usage Restrictions Photo credit required. 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.