EMPoststainFIG 1: Staining grids on Parafilm.

EMPoststainFIG 1: Staining grids on Parafilm.

Each grid floats on a separate droplet of freshly filtered stain. The staining dish is kept closed by a cover (not shown) to prevent drying. NaOH pellets (not shown) are placed inside the closed dish near the staining drops when using lead citrate to prevent excess lead precipitate.

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