Abstract
Summary
A method is described which permits cell-free virus or virus-infected cells to be pelleted into the tips of polyethylene tubes in such a way that the pellets can be fixed, plastic-embedded and sectioned in place. This permits successful sectioning of pellets so small that they can not be visualized with the unaided eye. Thus thin-section electron microscopy is possible on specimens containing small concentrations of virus or virus-infected cells.
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