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Updated: Aug 13, 2026

An Alternative Approach for Sample Preparation with Low Cell Number for TEM Analysis
Published on: October 12, 2016
Removal of histological sections from glass for electron microscopy: use of Quetol 651 resin and heat
Abstract:
A method is described for using the epoxy resin Quetol 651 and heat for convenient and rapid separation of conventional histological sections from glass slides for subsequent ultrathin sectioning for retrospective electron microscopy. The same method is useful when Epon-Araldite is substituted for the Quetol 651 resin.
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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...
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