【Cosmo Bio】COS banker II [Cell Freezing Medium]
COS banker II [Cell Freezing Medium]
Catalog No. KOJ-COS-CFM02
COS banker is a one-step culture cell storage solution. Suspend culture cells in COS banker and store at -80°C for longterm storage (it is not necessary to store in liquid nitrogen). This is a serum-free solution with no animal products added.
Features
► Ready-to-use
► No dilutions required
► Store in -80°C freezer
► Rapid and long term storage at -80°C
► No serum
► No animal products
Instructions
1.Collect culture cells (during logarithmic growth stage) and place 5x105 - 1x107 cells in a cryovial. Centrifuge for 5minutes at 1,200 rpm.
2. Add 1 ml of COS banker to cell pellet and vigorously mix, then freeze and store at -80°C.
3. If liquid Nitrogen storage is desired, freeze cells at -80°C first and then transfer to liquid Nitrogen.
4. To thaw, defrost in 37°C water bath quickly.
Note: It is ideal to use a logarithmic growth stage culture in order to increase the survival rate when thawed.
Contents and Usage
Quality Controls
Endotoxin-free tested / Bacteria free tested
Warnings
► Research use only
► Not for diagnostic and/or clinical use
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