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Many people answer this question narrowly: By storing the sample in a durable cryogenic vial that can withstand being deep frozen for months on end.In truth, safe storage of genetic material require … read more

This phrase begs the question: “Well then, what sort of cryogenic vial is this if it cannot be used in liquid nitrogen?”Not a week goes by that we are not asked to explain this seemingly odd disclai … read more

The simple answer is: None are.  Inserting any kind of plastic tube into liquid nitrogen, even those called "cryovial", carries the potential for explosion, as this report from UCLA  ma … read more