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OriGen PermaLife sterile cell culture bags represent the optimal way to harvest, expand, concentrate and freeze critical cell cultures. Made of inert FEP, the PermaLife bags contain no plasticizers or chemical residuals that could leach into and alter delicate cell cultures. Because FEP is inert, antibodies, cytokines and other genetic material are unaffected by the PermaLife bag.

Advantages of PermaLife Cell Culture Bags

Closed system, so the possibility of contamination is greatly reduced
Gas permeable and provide a high rate of oxygen transfer to cells under culture. Additionally, water permeability is very low, so water loss is negligible and humidified incubators are not required
Optical transmission is greater than 95%, so observation of the cultures under a microscope is possible without risking contamination of the culture. It is also ideal for cryogenic preservation
Remains flexible from -200°C to +200°C, and is very well suited for centrifuge use

* Nominal volume at 1cm fill thickness