CPC A01N 1/0221 (2013.01) | 13 Claims |
1. A process for producing a cryopreserved composition comprising biological material, the process comprising the step:
(a) freezing biological material at a cryopreserving temperature in a cryopreserving composition comprising a compound of Formula I:
wherein n is 20-5000,
wherein the biological material is selected from the group consisting of cells, monolayers of cells and spheroids.
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