Difference between revisions of "Freezing of C2C12 cells"
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(3 intermediate revisions by the same user not shown) | |||
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− | == | + | == Material == |
* 15 ml FALCON tube | * 15 ml FALCON tube | ||
* PBS w/o Ca2+ and Mg2+ | * PBS w/o Ca2+ and Mg2+ | ||
Line 10: | Line 10: | ||
* freezing box | * freezing box | ||
− | ==Procedure | + | == Procedure == |
− | + | # wash the cells with 5 ml PBS | |
− | + | # remove the PBS and add 2 ml TE | |
− | + | # let it incubate for 3 – 5 min | |
− | + | # stop the TE with 5 ml HS – media and resuspend the cells | |
− | + | # pipette the cell suspension back in the FALCON tube | |
− | + | # centrifuge the cells (1000 xg, 3 min at 4 ºC) | |
− | + | # remove the old media | |
− | + | # resuspend the cells 1 ml freezing media | |
− | + | # quickly pipette the liquid in the cryo tube | |
− | + | # put the cells in the freezing box and store this for one day at –80 ºC | |
− | + | # place the cells one day later into the liquid nitrogen |
Latest revision as of 14:30, 8 June 2015
Material
- 15 ml FALCON tube
- PBS w/o Ca2+ and Mg2+
- TE in PBS
- Freezing media (10% DMSO + 40% serum + 50% DMEM)
- Pipettes and tips
- Glas pipetts
- cryo tube
- ice
- freezing box
Procedure
- wash the cells with 5 ml PBS
- remove the PBS and add 2 ml TE
- let it incubate for 3 – 5 min
- stop the TE with 5 ml HS – media and resuspend the cells
- pipette the cell suspension back in the FALCON tube
- centrifuge the cells (1000 xg, 3 min at 4 ºC)
- remove the old media
- resuspend the cells 1 ml freezing media
- quickly pipette the liquid in the cryo tube
- put the cells in the freezing box and store this for one day at –80 ºC
- place the cells one day later into the liquid nitrogen