1 results about "Hydroxyethyl starch" patented technology

The invention relates to the technical field of cell culture, in particular to a cell preservation solution and application thereof in preservation of umbilical cord blood NK cells. The invention discloses a cell preserving fluid which comprises trisodium citrate, citric acid, glucose, hydroxyethyl starch, human serum albumin and water. Trisodium citrate, citric acid and glucose in the cell preserving fluid cooperate with hydroxyethyl starch and human serum albumin, the preservation time of umbilical cord blood is effectively prolonged to 72 h, it is guaranteed that the survival rate and number of umbilical cord blood NK cells are basically unchanged before preservation, and the NK cells with the normal multiple and number can be obtained through separation and multiplication culture.