Abstract
In vitro bone-marrow derived colonies cultured in agar and prepared in Epon 812 for electron microscopy occassionally produce blocks that are too soft for sectioning. We attribute this softness to the retention, after standard dehydration, of water by the agar and to the relatively slow penetration of the agar by Epon-based embedding media. The agar cannot be removed or replaced since this would disrupt the colony integrity and prevent the study of cell-cell relationships. This paper describes the procedures and results of more extensive specimen dehydration and of embedding with Epon-replacement formulations.
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Schedule a callMore From: Proceedings, annual meeting, Electron Microscopy Society of America
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