Protein Particles (IMAGE) Columbia University Irving Medical Center Caption Cryo-EM captures multiple 2-D images of protein particle before combining them into a 3-D image. Credit Alexander Sobolevsky and Edward Twomey, Columbia University Medical Center Usage Restrictions Alexander Sobolevsky and Edward Twomey, Columbia University Medical Center 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.