Plunge freezing. (IMAGE)

Institute of Science and Technology Austria

Plunge freezing.

Caption

Plunge freezing. Samples are dipped into cryogen or liquid ethane. Rapid cooling causes the water in the sample to vitrify, meaning it turns into a glass-like form instead of forming ice crystals. This state preserves the fine structural details of the sample.

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© Nadine Poncioni/ISTA

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