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How long can samples remain viable when stored in liquid nitrogen?

April 26, 2017liquid nitrogen remain samples stored viable

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How long can samples remain viable when stored in liquid nitrogen?

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A. Samples can remain stored in liquid nitrogen for years without loss of viability. The Cell Center has frequently revived samples that have been stored for 12 years with a post-freeze viability > 90%.

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A. Cells that have been properly frozen can remain in liquid nitrogen vapor for decades without loss of viability. The Cell Center has revived samples that have been stored for 17 years with a post-freeze viability > 90%.