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Biology
暴跌冻结:在透射电子显微镜的超微结构和免疫组化研究工具悬架细胞
暴跌冻结:在透射电子显微镜的超微结构和免疫组化研究工具悬架细胞
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JoVE Journal Biology
Plunge Freezing: A Tool for the Ultrastructural and Immunolocalization Studies of Suspension Cells in Transmission Electron Microscopy

暴跌冻结:在透射电子显微镜的超微结构和免疫组化研究工具悬架细胞

Full Text
11,504 Views
13:35 min
May 5, 2017

DOI: 10.3791/54874-v

Corinne Blancard1, Bénédicte Salin1

1Institut de Biochimie et Génétique Cellulaires, Centre National de la Recherche Scientifique, UMR 5095,Université de Bordeaux

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Please note that some of the translations on this page are AI generated. Click here for the English version.

此手稿描述了通过透射电子显微镜可视化用混悬剂细胞中易于使用和低成本的冷冻固定方法。

以下实验的目标是提出一种用于悬浮细胞超微结构和免疫定位研究的工具,以便在透射电子显微镜下进行可视化。该技术易于使用、成本低,并且可以很好地保存细胞结构。这是一种悬浮细胞培养物。

首先,通过不同的离心收获细胞,以在微量离心管中获得沉淀。在第二步中,通过沉降冷冻快速冷冻样品,从而固定细胞并限制冰晶的形成。接下来,进行冷冻替换,以便用含有四氧化锇作为固定剂的溶剂代替水,以稳定细胞结构。

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