cryoprotectant

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cryoprotectant

(krī′ō-prə-tĕk′tənt)
n.
A substance, such as glycerol, used to protect cells or tissues from damage during freezing.

cry′o·pro·tec′tant adj.
cry′o·pro·tec′tive adj.

cryoprotectant

(krī′ō-prō-tĕk″tănt)
A drug that permits cells to survive freezing and thawing.
cryoprotective (-tĕk′tĭv), adjective

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.
References in periodicals archive ?
Sperm cryopreservation of tiete tetra Brycon insignis (Characiformes): effects of cryoprotectants, extenders, thawing temperatures and activating agents on motility features.
Individual samples were randomly assigned different concentrations and type of cryoprotectant.
5-mL French straws, and frozen at a cooling rate of 20-25[degrees]C/min (sample probe temperature) from 5[degrees]C to -80[degrees]C within 20 min after mixing with cryoprotectant (equilibration time).
In order to decrease the damage of osmotic and toxic stress, cryoprotectant must be added in a stepwise manner.
This decrease is more pronounced for the powder without protecting compounds, which leads us to say that cryoprotectants slowed the oxidation phenomenon during freeze-drying and during 60 days of storage.
Post-thaw spermatozoa plasma membrane integrity and motility of stallion semen frozen with different cryoprotectants.
Vitrification by ultra-fast cooling at a low concentration of cryoprotectants in a quartz micro-capillary: a study using murine embryonic stem cells.
This differs from freezing in that 60 percent of the water inside the cells is replaced with protective chemicals called cryoprotectants before the temperature is dropped.
Although initial survival, fertilisation and cleavage rates for cryopreserved oocytes were relatively poor, the advancements made in cryoprotectants and method protocols in the recent past have caused these rates to improve steadily.
In cryopreservation, cryoprotectants such as sucrose, DMSO, Ethylene glycol, glycerol are used to protect the plant material from damaging effects due to freezing.
Upon removal of the cryoprotectants, the embryos were incubated for 72 hours and assessed for blastocyst development based on morphology.