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cryoprotectant

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cry·o·pro·tec·tant (kr-pr-tktnt)
n.
A substance used to protect cells or tissues from damage during freezing.

cryo·pro·tectant adj.
cryo·pro·tective adj.

cryoprotectant
substance added to living biological material, e.g. embryo, ova, spermatozoa, that is to be preserved in a viable state by freezing. The common substances are DMSO and glycerol.


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In addition, the use of DMSO as a cryoprotectant in fish has been investigated (Bart 2000; Cabrita et al.
By carefully balancing the cooling rate and cryoprotectant levels, scientists have learned in some cases how to navigate a safe passage between the dangers of dehydration and ice.
In vitrification, a supercooled liquid cryoprotectant solidifies, converting to a glassy state rather than to ice.
 
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