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 ?
Cryopreservation bags are used to store red cells with cryoprotectant solution.
One extracellular CPA used in research involving testicular cryopreservation is sucrose, which is always associated with intracellular CPAs in cryoprotectant addition protocols (BAERT et al.
Vitrification is a physical process in high concentrated cryoprotectants without formation of any ice crystals.
Explants survival percentage (a) and percentage of shoot formation (b) from lateral buds encapsulated in sodium alginate matrix after 30 days in culture, after incubation in PVS2 cryoprotectant solution for different times (0, 15, 30, 60 and 120 minutes), before immersion in LN.
The cryoprotectants are any substance, either biological or chemical, which protects the microbial or eukaryotic cells/tissues/organ from degradation or inactivation during freeze-storage.
Radecka, Bacillus subtilis Natto: a Non-Toxic Source of Poly-g-glutamic Acid that Could be Used as a Cryoprotectant for Probiotic Bacteria.
sup][7] To our knowledge, L-proline has not been used as a cryoprotectant for mammalian oocytes.
This study aimed at evaluating the effect of ACP[R]-104 as a cryoprotectant solution for cryopreservation of dourado sperm on the fertilization rate, comparing these results with those obtained when using the cryoprotectant solution that has been recommended for the species (Carolsfeld et al.
8 to 8), with a chelating agent (say, EDTA) with an added cryoprotectant such as glycerol or DMSO, is probably the safest matrix in which to store a nucleic acid which will be frozen and thawed.
For the definition of cryoconservation protocols becomes necessary to know several factors: sperm characteristics of the species, extender composition, sperm:extender ratio, cryoprotectant and dosage, cooling rate and thawing, equilibrium time and fertilization tests.
Thus, the success of cryopreservation is linked with the water balance of the cells and the use of cryoprotectant substances (VOLK; WALTERS, 2006).
The effects of overrun and glycerol as a cryoprotectant on viability of probiotics in frozen yogurt were investigated.