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Uranyl Acetate Useful as a Specimen Supporting Membrane on Electron Microscope Grids. J. K. Uyemoto, Assistant Professor, Department of Plant Pathology, New York State Agricultural Experiment Station, Cornell University, Geneva, New York 14456; D. K. Hummer, Experimentalist, Department of Plant Pathology, New York State Agricultural Experiment Station, Cornell University, Geneva, New York 14456. Phytopathology 63:797-798. DOI: 10.1094/Phyto-63-797.

Uranyl acetate is useful for its staining properties and also produces an instant, specimen-supporting membrane. Virus particles are embedded in a film of uranyl acetate that is allowed to dry on an uncoated copper grid. This reduces the need for prefilming grids before use.

Additional keywords: tobacco mosaic virus, satellite virus of tobacco necrosis virus.