Demetrio Santiago, Ph.D., a postdoctoral fellow in the laboratory of Montserrat Samso, Ph.D., assistant professor in the VCU Department of Physiology and Biophysics, shows colleagues how samples are prepared for analysis by the cryo-electron microscope. The Cryo-Electron Microscope Facility in the VCU Department of Physiology and Biophysics opened earlier this year on the MCV Campus. Image courtesy of Elizabeth Moore/VCU.