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Updated: Aug 9, 2026

Preparation of Non-human Primate Brain Tissue for Pre-embedding Immunohistochemistry and Electron Microscopy
Published on: April 3, 2017
A rapid method for embedding tissues for electron microscopy using 1,4-dioxane and Polybed 812
Abstract:
A rapid method for embedding tissues for electron microscopy is described. This method, which can be completed within 5 hr, uses 1,4-dioxane as the final dehydrating agent and Polybed 812 as the embedding medium. Satisfactory preservation of cellular structures is consistently achieved with a variety of normal and diseased tissues. This method may be of particular value to diagnostic electron microscopy laboratories where time and simplicity are critical.
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Fixation and Sectioning
The simplest type of preparation is the wet mount, in which the specimen is placed in a drop of liquid on the slide. A liquid specimen can be directly deposited on the slide using a dropper. Solid specimens, such as skin scraping, can be placed on the slide before adding a drop of liquid to prepare the wet mount. Sometimes the liquid is simply water, but stains are often added...
Preparation of Samples for Electron Microscopy