Serial Sections of Smears for Electron Microscopy
- 1 January 1955
- journal article
- research article
- Published by Taylor & Francis in Stain Technology
- Vol. 30 (5), 239-242
- https://doi.org/10.3109/10520295509114472
Abstract
Ultrathin sections for electron microscopy may be prepared from smears or squashes embedded in methacrylate. The cover slip or glass slide with the attached fixed cellular material is passed through alcohols to methacrylate monomer and finally to monomer containing a catalyst. The portion of the smear to be sectioned is covered with a gelatin capsule containing partially polymerized methacrylate. When polymerization is completed at 47°C, the hardened block is separated from the cover slip and trimmed under the compound microscope so as to encompass the desired area. Photographs are made of the intact smear to afford a basis for identification of cellular materials in electron micrographs of the individual ultrathin sections.Keywords
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