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Improved ultrastructural preservation of yeast cells for scanning electron microscopy. HANSCHKE, R. *; SCHAUER, F. + [Article] Journal of Microscopy. 184(2):81-87, November 1996.
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Summary: The processing of yeast cells for scanning electron microscopy by conventional sequential fixation with glutaraldehyde and osmium tetroxide and subsequent dehydration and critical point-drying caused pronounced deformation and visible shrinkage in all basidiomycetous and ascomycetous yeast strains studied. The mean cell diameter decreased to nearly 60 and 70%, respectively. After an additional sequential fixation with 1% tannic acid and 0.5% uranyl acetate the cell shrinkage was significantly reduced, but the most important result was a considerable reduction of wrinkling and deformation of the yeast cells.
(C) 1996 Royal Microscopical Society