DMSO (1.5 m) Cryoprotectant Solution
| DMSO | 1.1 mL |
| M2 medium with 10% fetal bovine serum (FBS), sterile | 8.9 mL |
| Store the cryoprotectant at room temperature. | |
| Other HEPES-buffered media can be substituted for M2. | |
| DMSO | 1.1 mL |
| M2 medium with 10% fetal bovine serum (FBS), sterile | 8.9 mL |
| Store the cryoprotectant at room temperature. | |
| Other HEPES-buffered media can be substituted for M2. | |