Rapid staining of ultrathin sections with the use of a microwave oven

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Abstract

Summary

The microwave oven has many potential applications, ranging from tissue fixation to staining for light and electron microscopy. This study was planned to speed up the staining of ultrathin sections. The first set of grids was stained conventionally with uranyl acetate and Reynold's lead citrate solutions. The other grids were stained with the same solutions by microwave irradiation. The electron micrographs of grids stained using the microwave technique were as satisfactory as the grids stained conventionally. Microwave-treated grids demonstrated more uniform staining and less precipitate. The use of a microwave oven shortened staining time by ≈ 38 min.

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