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Updated: Jul 12, 2026

Sample Preparation Method of Scanning and Transmission Electron Microscope for the Appendages of Woodboring Beetle
10:09

Sample Preparation Method of Scanning and Transmission Electron Microscope for the Appendages of Woodboring Beetle

Published on: February 3, 2020

四千万年前的昆虫组织的超结构

G O Poinar, R Hess

    Science (New York, N.Y.)
    |March 5, 1982
    PubMed
    概括

    来自4000万年前的的化石软组织揭示了完整的细胞器官,包括线粒体和细胞核. 这种特殊的保存提供了关于古代细胞结构和化石化过程的见解.

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    Fixation and Sectioning01:03

    Fixation and Sectioning

    Two basic types of preparation are used to visualize specimens with a light microscope: wet mounts and fixed specimens.
    The simplest type of preparation is the wet mount, in which the specimen is placed in a drop of liquid on the slide. A liquid specimen can be directly deposited on the slide using a dropper. Solid specimens, such as skin scraping, can be placed on the slide before adding a drop of liquid to prepare the wet mount. Sometimes the liquid is simply water, but stains are often added...