X-Ray Phase-Contrast CT Image (IMAGE) Washington University in St. Louis Caption This image shows a 3-D volume rendering of a PLGA scaffold imaged using X-ray phase-contrast CT. Credit Mark Anastasio, Ph.D. 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.