Transmission Electron Microscopy of Tissue Culture Preparations on Polystyrene Coverslips

Abstract
Polystyrene coverslips have been utilized in preparing tissue cultures for transmission electron microscopy. A method is described for processing the coverslips, including the marking of selected groups of cells with epoxy-carbon mixture. The epoxy-carbon markings aid in locating the cells during sectioning and the method can be used for small or large numbers of cells. In addition, the methodology allows high power phase contrast photography before and after fixation.