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    • 7. 发明授权
    • Apparatus and method for cryopreparing biological tissue for
ultrastructural analysis
    • 用于超微结构分析的低温生物组织的装置和方法
    • US4742690A
    • 1988-05-10
    • US942172
    • 1986-12-16
    • John G. Linner
    • John G. Linner
    • G01N1/42F25D23/00
    • G01N1/42
    • This invention relates to apparatus for the cryopreparation of biological tissue samples for ultrastructural analysis. The use of the apparatus comprises vitrifying a biological tissue sample under cryogenic temperature conditions and ultra low vacuum conditions. The depressurized, vitrified tissue sample is brought to equilibrium in a thermally conductive sample holder at a temperature of less than -140.degree. C. The tissue sample is then dehydrated while maintained in a state of thermal equilibrium. After reaching equilibrium the tissue sample is optionally infiltrated with a degassed resin followed by a polymerization of the resin to form an embedded tissue sample.
    • 本发明涉及用于超微结构分析的生物组织样品的冷冻制备装置。 使用该装置包括在低温条件和超低真空条件下玻璃化生物组织样品。 减压,玻璃化的组织样品在低于-140℃的温度下在导热样品保持器中达到平衡。然后将组织样品脱水,同时保持在热平衡状态。 达到平衡后,组织样品任选地用脱气树脂渗透,随后树脂聚合以形成嵌入的组织样品。