Cryoprotectant solution containing dimethyl sulfoxide, an amide and ethylene glycol
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United States of America Patent
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May 28, 2002
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app pub date -
Sep 21, 1999
filing date -
Sep 21, 1998
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Abstract
A cryoprotectant solution used for preserving biological material comprising cells is disclosed. The solution comprises dimethyl sulfoxide, an amide such as formamide, urea, acetamide, hydroxyurea, N-methyl formamide, and ethylene glycol or ethylene glycol in combination with propylene glycol wherein the propylene glycol replaces less than 8% w/v of the ethylene glycol.
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