Also found in: Medical.


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.


(Biology) protecting against damage caused by cryopreservation
References in periodicals archive ?
Cryoprotective effect of l-carnitine on motility, vitality and DNA oxidation of human spermatozoa.
Manap, Optimization of a cryoprotective medium and survival of freeze-dried Bifidobacterium infantis 20088 throughout storage, rehydration and gastrointestinal tract transit for infant formula probiotic applications.
In the ovarian tissue harvesting procedure, one ovary is removed and slivers of the ovarian tissue are preserved with a cryoprotective agent and then frozen with an automated machine.
Kim found that adding GSH to a cryoprotective solution and/or postthaw medium significantly improved the post-thaw viability of mouse embryonic stem cells (De Ugarte et al.
Low density lipoproteins extracted from hen egg yolk by an easy method: cryoprotective effect on frozen-thawed bull semen.
paracasei HII01 cells with inulin JA and other selected cryoprotectants and to evaluate the cryoprotective potential of certain cryoprotectants, with respect to the viability of probiotic strain during gastrointestinal transit and storage at different temperatures.
Cryoprotective agents (CPAs) such as dimethyl sulfoxide (DMSO) and ethylene glycol (EG) are beneficial for the cryopreservation of oocytes because they protect them against damage caused by the intracellular formation of ice during freezing and thawing.
Effect of trehalose and EDTA on cryoprotective action of ram semen diluents.
LDL has been reported to have a cryoprotective effect, while HDL is disadvantageous for spermatozoa cryopreservation (Amirat et al.
Vitrification protocols are based on dehydrating material in cryoprotective glycerol based solutions such as PVS2 and PVS3 (SAKAI and ENGELMANN, 2007).
This biotechnological ingredient with cryoprotective properties shields and regenerates the skin as well as reduces wrinkles for a firm and young complexion, according to the company.
Taken together, it would appear that storing nucleic acids in incompletely purified state with excessive metal ions, in unbuffered water, and without cryoprotective agents, is probably the worst-case scenario for stability in the face of repeated freeze-thaw cycles.