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Cryo-EM of vitreous sections (CEMOVIS) is the method of choice to study native structures. Samples are preserved by rapid freezing, cryo-sectioned and observed by cryo-TEM without further contrasting and embedding.
![cemovis](https://research.pasteur.fr/wp-content/uploads/2015/02/cemovis.jpg)
Cryo-EM of vitreous sections (CEMOVIS) is the method of choice to study native structures. Samples are preserved by rapid freezing, cryo-sectioned and observed by cryo-TEM without further contrasting and embedding.