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File:Yeast frozen flow.jpg

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Summary

Description
English: Saccharomyces cerevisiae, bakers or brewers yeast, diluted with water, frozen to -50C and fractured quickly. The fracture face is coated with approximately 2nm of platinum in high vaccum and a carbon film for strength. The heat of the fracture melts the ice surrounding the yeast. The ice quickly refreezes at that temperature. Two large yeast bud scars are apparent in the picture. The almost black pieces are where the platinum replica folds or overlaps itself. Near the top center a small patch of fractured membrane underlying the cell wall is apparent.
Date
Source Own work
Author Tgru001

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Captions

Yeast cell platinum replica after freeze-fracture

9 November 1984

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Date/TimeThumbnailDimensionsUserComment
current01:53, 9 November 2023Thumbnail for version as of 01:53, 9 November 20233,320 × 3,552 (3.1 MB)Tgru001Uploaded own work with UploadWizard

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