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- W3036888957 abstract "We are using various combinations of the following techniques to study cytoskeleton structure and function: cryofixation by high pressure freezing, double jet or plunge freezing; freeze substitution; cryosectioning of frozen hydrated or frozen substituted cells; EM immunolocalization; high voltage and conventional cryoelectron microscopy; serial sectioning (thick and/or thin); and computer-mediated 3-D reconstructions from serial sections. One area where many of these tools and techniques are called into play is in the ultrastructural analysis of developmental mutant phenotypes in Drosophila. Staged embryos are ultrarapidly frozen by high pressure freezing then divided into three groups for further processing. One group is freeze-substituted in osmium-acetone then flat embedded and sectioned for examination by high voltage or conventional microscopy. This allows us to evaluate the quality of cryofixation and the percentage of well frozen embryos. From this material we will also cut serial sections which will be used to make 3-D models of the area of interest. The second group of frozen embryos will be put directly into a Reichert FC4 cryoultramicrotome and sectioned at -150 C. The cryosections are then examined in the cryostage of the high voltage EM. The third group is freeze-substituted in methanol plus aldehyde fixatives in preparation for immunological studies." @default.
- W3036888957 created "2020-06-25" @default.
- W3036888957 creator A5057675017 @default.
- W3036888957 date "1990-08-12" @default.
- W3036888957 modified "2023-09-27" @default.
- W3036888957 title "Visualization of the Cytoskeleton by Cryofixation, Immunoelectron Microscopy and 3-D Reconstruction Techniques" @default.
- W3036888957 doi "https://doi.org/10.1017/s0424820100158522" @default.
- W3036888957 hasPublicationYear "1990" @default.
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