Shengjie Feng, Ph.D. (IMAGE) Sanford Burnham Prebys Caption Shengjie Feng, Ph.D., is an expert in cryogenic electron microscopy and has joined Sanford Burnham Prebys to create stop-action movies of proteins and other biomolecules at work inside cells, revealing new ways to stop or prevent cancers. Credit Sanford Burnham Prebys Usage Restrictions none License Original 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.