Cell preservation material
AssigneeNissan Chemical Corporation
InventorsDaisuke HATANAKA, Hisato HAYASHI
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Abstract
Cells or tissues are preserved in an unfrozen state in the liquid composition containing deacylated gellan gum or a salt thereof, and an acidic polysaccharide or a salt thereof capable of maintaining a random coil state in a divalent metal cation medium and cross-linking via a divalent metal ion. The acidic polysaccharide may be alginic acid. The liquid composition may further contain a metal cation such as calcium ion and the like.
Claims7
-7. (canceled)
A method for preserving a cell or tissue comprising preserving the cell or tissue in an unfrozen state in a liquid composition comprising deacylated gellan gum or a salt thereof and an acidic polysaccharide or a salt thereof capable of maintaining a random coil state in a divalent metal cation medium and cross-linking via a divalent metal ion.
Dependencies are inferred from the claim text.